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godot-docs-l10n/classes/zh_CN/class_cpuparticles3d.rst

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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/CPUParticles3D.xml.
.. _class_CPUParticles3D:
CPUParticles3D
==============
**继承：** :ref:`GeometryInstance3D<class_GeometryInstance3D>` **<** :ref:`VisualInstance3D<class_VisualInstance3D>` **<** :ref:`Node3D<class_Node3D>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
基于 CPU 的 3D 粒子发射器。
.. rst-class:: classref-introduction-group
描述
----
基于 CPU 的 3D 粒子节点，可用于创建各种粒子系统、粒子效果。
另见 :ref:`GPUParticles3D<class_GPUParticles3D>`\ ，利用硬件加速提供了相同的功能，但可能无法在较旧的设备上运行。
.. rst-class:: classref-introduction-group
教程
----
- :doc:`粒子系统（3D） <../tutorials/3d/particles/index>`
.. rst-class:: classref-reftable-group
属性
----
.. table::
:widths: auto
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`int<class_int>` | :ref:`amount<class_CPUParticles3D_property_amount>` | ``8`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`angle_curve<class_CPUParticles3D_property_angle_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`angle_max<class_CPUParticles3D_property_angle_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`angle_min<class_CPUParticles3D_property_angle_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`angular_velocity_curve<class_CPUParticles3D_property_angular_velocity_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`angular_velocity_max<class_CPUParticles3D_property_angular_velocity_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`angular_velocity_min<class_CPUParticles3D_property_angular_velocity_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`anim_offset_curve<class_CPUParticles3D_property_anim_offset_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`anim_offset_max<class_CPUParticles3D_property_anim_offset_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`anim_offset_min<class_CPUParticles3D_property_anim_offset_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`anim_speed_curve<class_CPUParticles3D_property_anim_speed_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`anim_speed_max<class_CPUParticles3D_property_anim_speed_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`anim_speed_min<class_CPUParticles3D_property_anim_speed_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Color<class_Color>` | :ref:`color<class_CPUParticles3D_property_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Gradient<class_Gradient>` | :ref:`color_initial_ramp<class_CPUParticles3D_property_color_initial_ramp>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Gradient<class_Gradient>` | :ref:`color_ramp<class_CPUParticles3D_property_color_ramp>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`damping_curve<class_CPUParticles3D_property_damping_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`damping_max<class_CPUParticles3D_property_damping_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`damping_min<class_CPUParticles3D_property_damping_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Vector3<class_Vector3>` | :ref:`direction<class_CPUParticles3D_property_direction>` | ``Vector3(1, 0, 0)`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` | :ref:`draw_order<class_CPUParticles3D_property_draw_order>` | ``0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Vector3<class_Vector3>` | :ref:`emission_box_extents<class_CPUParticles3D_property_emission_box_extents>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`PackedColorArray<class_PackedColorArray>` | :ref:`emission_colors<class_CPUParticles3D_property_emission_colors>` | ``PackedColorArray()`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`PackedVector3Array<class_PackedVector3Array>` | :ref:`emission_normals<class_CPUParticles3D_property_emission_normals>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`PackedVector3Array<class_PackedVector3Array>` | :ref:`emission_points<class_CPUParticles3D_property_emission_points>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Vector3<class_Vector3>` | :ref:`emission_ring_axis<class_CPUParticles3D_property_emission_ring_axis>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`emission_ring_height<class_CPUParticles3D_property_emission_ring_height>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`emission_ring_inner_radius<class_CPUParticles3D_property_emission_ring_inner_radius>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`emission_ring_radius<class_CPUParticles3D_property_emission_ring_radius>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` | :ref:`emission_shape<class_CPUParticles3D_property_emission_shape>` | ``0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`emission_sphere_radius<class_CPUParticles3D_property_emission_sphere_radius>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`emitting<class_CPUParticles3D_property_emitting>` | ``true`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`explosiveness<class_CPUParticles3D_property_explosiveness>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`int<class_int>` | :ref:`fixed_fps<class_CPUParticles3D_property_fixed_fps>` | ``0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`flatness<class_CPUParticles3D_property_flatness>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`fract_delta<class_CPUParticles3D_property_fract_delta>` | ``true`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Vector3<class_Vector3>` | :ref:`gravity<class_CPUParticles3D_property_gravity>` | ``Vector3(0, -9.8, 0)`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`hue_variation_curve<class_CPUParticles3D_property_hue_variation_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`hue_variation_max<class_CPUParticles3D_property_hue_variation_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`hue_variation_min<class_CPUParticles3D_property_hue_variation_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`initial_velocity_max<class_CPUParticles3D_property_initial_velocity_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`initial_velocity_min<class_CPUParticles3D_property_initial_velocity_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`lifetime<class_CPUParticles3D_property_lifetime>` | ``1.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`lifetime_randomness<class_CPUParticles3D_property_lifetime_randomness>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`linear_accel_curve<class_CPUParticles3D_property_linear_accel_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`linear_accel_max<class_CPUParticles3D_property_linear_accel_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`linear_accel_min<class_CPUParticles3D_property_linear_accel_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`local_coords<class_CPUParticles3D_property_local_coords>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Mesh<class_Mesh>` | :ref:`mesh<class_CPUParticles3D_property_mesh>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`one_shot<class_CPUParticles3D_property_one_shot>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`orbit_velocity_curve<class_CPUParticles3D_property_orbit_velocity_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`orbit_velocity_max<class_CPUParticles3D_property_orbit_velocity_max>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`orbit_velocity_min<class_CPUParticles3D_property_orbit_velocity_min>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`particle_flag_align_y<class_CPUParticles3D_property_particle_flag_align_y>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`particle_flag_disable_z<class_CPUParticles3D_property_particle_flag_disable_z>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`particle_flag_rotate_y<class_CPUParticles3D_property_particle_flag_rotate_y>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`preprocess<class_CPUParticles3D_property_preprocess>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`radial_accel_curve<class_CPUParticles3D_property_radial_accel_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`radial_accel_max<class_CPUParticles3D_property_radial_accel_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`radial_accel_min<class_CPUParticles3D_property_radial_accel_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`randomness<class_CPUParticles3D_property_randomness>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`scale_amount_curve<class_CPUParticles3D_property_scale_amount_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`scale_amount_max<class_CPUParticles3D_property_scale_amount_max>` | ``1.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`scale_amount_min<class_CPUParticles3D_property_scale_amount_min>` | ``1.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`scale_curve_x<class_CPUParticles3D_property_scale_curve_x>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`scale_curve_y<class_CPUParticles3D_property_scale_curve_y>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`scale_curve_z<class_CPUParticles3D_property_scale_curve_z>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`speed_scale<class_CPUParticles3D_property_speed_scale>` | ``1.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`bool<class_bool>` | :ref:`split_scale<class_CPUParticles3D_property_split_scale>` | ``false`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`spread<class_CPUParticles3D_property_spread>` | ``45.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`Curve<class_Curve>` | :ref:`tangential_accel_curve<class_CPUParticles3D_property_tangential_accel_curve>` | |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`tangential_accel_max<class_CPUParticles3D_property_tangential_accel_max>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`float<class_float>` | :ref:`tangential_accel_min<class_CPUParticles3D_property_tangential_accel_min>` | ``0.0`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
| :ref:`AABB<class_AABB>` | :ref:`visibility_aabb<class_CPUParticles3D_property_visibility_aabb>` | ``AABB(0, 0, 0, 0, 0, 0)`` |
+---------------------------------------------------------+---------------------------------------------------------------------------------------------+----------------------------+
.. rst-class:: classref-reftable-group
方法
----
.. table::
:widths: auto
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`convert_from_particles<class_CPUParticles3D_method_convert_from_particles>`\ (\ particles\: :ref:`Node<class_Node>`\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Curve<class_Curve>` | :ref:`get_param_curve<class_CPUParticles3D_method_get_param_curve>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_param_max<class_CPUParticles3D_method_get_param_max>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_param_min<class_CPUParticles3D_method_get_param_min>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`get_particle_flag<class_CPUParticles3D_method_get_particle_flag>`\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ) |const| |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`restart<class_CPUParticles3D_method_restart>`\ (\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_particle_flag<class_CPUParticles3D_method_set_particle_flag>`\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`, enable\: :ref:`bool<class_bool>`\ ) |
+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
信号
----
.. _class_CPUParticles3D_signal_finished:
.. rst-class:: classref-signal
**finished**\ (\ ) :ref:`🔗<class_CPUParticles3D_signal_finished>`
当所有活动粒子完成处理时发出。当 :ref:`one_shot<class_CPUParticles3D_property_one_shot>` 被禁用时，粒子将连续处理，因此它永远不会触发。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
枚举
----
.. _enum_CPUParticles3D_DrawOrder:
.. rst-class:: classref-enumeration
enum **DrawOrder**: :ref:`🔗<enum_CPUParticles3D_DrawOrder>`
.. _class_CPUParticles3D_constant_DRAW_ORDER_INDEX:
.. rst-class:: classref-enumeration-constant
:ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` **DRAW_ORDER_INDEX** = ``0``
粒子按发射顺序绘制。
.. _class_CPUParticles3D_constant_DRAW_ORDER_LIFETIME:
.. rst-class:: classref-enumeration-constant
:ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` **DRAW_ORDER_LIFETIME** = ``1``
粒子按照剩余寿命的顺序绘制。换句话说，寿命最长的粒子被绘制在前面。
.. _class_CPUParticles3D_constant_DRAW_ORDER_VIEW_DEPTH:
.. rst-class:: classref-enumeration-constant
:ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` **DRAW_ORDER_VIEW_DEPTH** = ``2``
粒子按深度顺序绘制。
.. rst-class:: classref-item-separator
----
.. _enum_CPUParticles3D_Parameter:
.. rst-class:: classref-enumeration
enum **Parameter**: :ref:`🔗<enum_CPUParticles3D_Parameter>`
.. _class_CPUParticles3D_constant_PARAM_INITIAL_LINEAR_VELOCITY:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_INITIAL_LINEAR_VELOCITY** = ``0``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置初始速度属性。
.. _class_CPUParticles3D_constant_PARAM_ANGULAR_VELOCITY:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_ANGULAR_VELOCITY** = ``1``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置角速度属性。
.. _class_CPUParticles3D_constant_PARAM_ORBIT_VELOCITY:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_ORBIT_VELOCITY** = ``2``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置轨道速度属性。
.. _class_CPUParticles3D_constant_PARAM_LINEAR_ACCEL:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_LINEAR_ACCEL** = ``3``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置线性加速度属性。
.. _class_CPUParticles3D_constant_PARAM_RADIAL_ACCEL:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_RADIAL_ACCEL** = ``4``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置径向加速度属性。
.. _class_CPUParticles3D_constant_PARAM_TANGENTIAL_ACCEL:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_TANGENTIAL_ACCEL** = ``5``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置切向加速度属性。
.. _class_CPUParticles3D_constant_PARAM_DAMPING:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_DAMPING** = ``6``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置阻尼属性。
.. _class_CPUParticles3D_constant_PARAM_ANGLE:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_ANGLE** = ``7``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置角度属性。
.. _class_CPUParticles3D_constant_PARAM_SCALE:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_SCALE** = ``8``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置缩放属性。
.. _class_CPUParticles3D_constant_PARAM_HUE_VARIATION:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_HUE_VARIATION** = ``9``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置色相变化属性。
.. _class_CPUParticles3D_constant_PARAM_ANIM_SPEED:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_ANIM_SPEED** = ``10``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置动画速度属性。
.. _class_CPUParticles3D_constant_PARAM_ANIM_OFFSET:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_ANIM_OFFSET** = ``11``
与 :ref:`set_param_min<class_CPUParticles3D_method_set_param_min>`\ 、\ :ref:`set_param_max<class_CPUParticles3D_method_set_param_max>`\ 、\ :ref:`set_param_curve<class_CPUParticles3D_method_set_param_curve>` 一起使用，设置动画偏移属性。
.. _class_CPUParticles3D_constant_PARAM_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`Parameter<enum_CPUParticles3D_Parameter>` **PARAM_MAX** = ``12``
代表 :ref:`Parameter<enum_CPUParticles3D_Parameter>` 枚举的大小。
.. rst-class:: classref-item-separator
----
.. _enum_CPUParticles3D_ParticleFlags:
.. rst-class:: classref-enumeration
enum **ParticleFlags**: :ref:`🔗<enum_CPUParticles3D_ParticleFlags>`
.. _class_CPUParticles3D_constant_PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY:
.. rst-class:: classref-enumeration-constant
:ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>` **PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY** = ``0``
与 :ref:`set_particle_flag<class_CPUParticles3D_method_set_particle_flag>` 一起使用，设置 :ref:`particle_flag_align_y<class_CPUParticles3D_property_particle_flag_align_y>`\ 。
.. _class_CPUParticles3D_constant_PARTICLE_FLAG_ROTATE_Y:
.. rst-class:: classref-enumeration-constant
:ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>` **PARTICLE_FLAG_ROTATE_Y** = ``1``
与 :ref:`set_particle_flag<class_CPUParticles3D_method_set_particle_flag>` 一起使用，设置 :ref:`particle_flag_rotate_y<class_CPUParticles3D_property_particle_flag_rotate_y>`\ 。
.. _class_CPUParticles3D_constant_PARTICLE_FLAG_DISABLE_Z:
.. rst-class:: classref-enumeration-constant
:ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>` **PARTICLE_FLAG_DISABLE_Z** = ``2``
与 :ref:`set_particle_flag<class_CPUParticles3D_method_set_particle_flag>` 一起使用，设置\ :ref:`particle_flag_disable_z<class_CPUParticles3D_property_particle_flag_disable_z>`\ 。
.. _class_CPUParticles3D_constant_PARTICLE_FLAG_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>` **PARTICLE_FLAG_MAX** = ``3``
代表 :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>` 枚举的大小。
.. rst-class:: classref-item-separator
----
.. _enum_CPUParticles3D_EmissionShape:
.. rst-class:: classref-enumeration
enum **EmissionShape**: :ref:`🔗<enum_CPUParticles3D_EmissionShape>`
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_POINT:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_POINT** = ``0``
所有粒子将从单个点发射。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_SPHERE:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_SPHERE** = ``1``
粒子将在球体的体积中发射。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_SPHERE_SURFACE:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_SPHERE_SURFACE** = ``2``
粒子将在球体表面发射。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_BOX:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_BOX** = ``3``
粒子将在盒子的体积中发射。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_POINTS:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_POINTS** = ``4``
粒子将在 :ref:`emission_points<class_CPUParticles3D_property_emission_points>` 中随机选择的位置发射。粒子颜色将通过 :ref:`emission_colors<class_CPUParticles3D_property_emission_colors>` 进行调制。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_DIRECTED_POINTS:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_DIRECTED_POINTS** = ``5``
粒子将在 :ref:`emission_points<class_CPUParticles3D_property_emission_points>` 中随机选择的位置发射。粒子的速度和旋转将基于 :ref:`emission_normals<class_CPUParticles3D_property_emission_normals>` 进行设置。粒子颜色将通过 :ref:`emission_colors<class_CPUParticles3D_property_emission_colors>` 进行调制。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_RING:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_RING** = ``6``
粒子将以环形或圆柱的形式发射出来。
.. _class_CPUParticles3D_constant_EMISSION_SHAPE_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **EMISSION_SHAPE_MAX** = ``7``
代表 :ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` 枚举的大小。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
属性说明
--------
.. _class_CPUParticles3D_property_amount:
.. rst-class:: classref-property
:ref:`int<class_int>` **amount** = ``8`` :ref:`🔗<class_CPUParticles3D_property_amount>`
.. rst-class:: classref-property-setget
- |void| **set_amount**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_amount**\ (\ )
单个发射周期内发射的粒子数。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angle_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **angle_curve** :ref:`🔗<class_CPUParticles3D_property_angle_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的旋转将沿着这条 :ref:`Curve<class_Curve>` 进行动画处理。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angle_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **angle_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_angle_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大角度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angle_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **angle_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_angle_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小角度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angular_velocity_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **angular_velocity_curve** :ref:`🔗<class_CPUParticles3D_property_angular_velocity_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的角速度（旋转速度）将在其生命周期内沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angular_velocity_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **angular_velocity_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_angular_velocity_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
应用于每个粒子的最大初始角速度（旋转速度），单位：\ *度*\ 每秒。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_angular_velocity_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **angular_velocity_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_angular_velocity_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
应用于每个粒子的最小初始角速度（旋转速度），单位：\ *度*\ 每秒 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_offset_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **anim_offset_curve** :ref:`🔗<class_CPUParticles3D_property_anim_offset_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的动画偏移将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_offset_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **anim_offset_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_anim_offset_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大动画偏移。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_offset_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **anim_offset_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_anim_offset_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小动画偏移。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_speed_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **anim_speed_curve** :ref:`🔗<class_CPUParticles3D_property_anim_speed_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的动画速度将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_speed_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **anim_speed_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_anim_speed_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大粒子动画速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_anim_speed_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **anim_speed_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_anim_speed_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小粒子动画速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_color:
.. rst-class:: classref-property
:ref:`Color<class_Color>` **color** = ``Color(1, 1, 1, 1)`` :ref:`🔗<class_CPUParticles3D_property_color>`
.. rst-class:: classref-property-setget
- |void| **set_color**\ (\ value\: :ref:`Color<class_Color>`\ )
- :ref:`Color<class_Color>` **get_color**\ (\ )
每个粒子的初始颜色。
\ **注意：**\ :ref:`color<class_CPUParticles3D_property_color>` 乘以粒子网格的顶点颜色。要在 :ref:`BaseMaterial3D<class_BaseMaterial3D>` 上产生可见效果，\ :ref:`BaseMaterial3D.vertex_color_use_as_albedo<class_BaseMaterial3D_property_vertex_color_use_as_albedo>` *必须*\ 为 ``true``\ 。对于 :ref:`ShaderMaterial<class_ShaderMaterial>`\ ，必须在着色器的 ``fragment()`` 函数中插入 ``ALBEDO *= COLOR.rgb;``\ 。否则，\ :ref:`color<class_CPUParticles3D_property_color>` 将没有可见效果。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_color_initial_ramp:
.. rst-class:: classref-property
:ref:`Gradient<class_Gradient>` **color_initial_ramp** :ref:`🔗<class_CPUParticles3D_property_color_initial_ramp>`
.. rst-class:: classref-property-setget
- |void| **set_color_initial_ramp**\ (\ value\: :ref:`Gradient<class_Gradient>`\ )
- :ref:`Gradient<class_Gradient>` **get_color_initial_ramp**\ (\ )
每个粒子的初始颜色将沿着该 :ref:`GradientTexture1D<class_GradientTexture1D>`\ （乘以 :ref:`color<class_CPUParticles3D_property_color>`\ ）而变化。
\ **注意：**\ :ref:`color_initial_ramp<class_CPUParticles3D_property_color_initial_ramp>` 乘以粒子网格的顶点颜色。要在 :ref:`BaseMaterial3D<class_BaseMaterial3D>` 上产生可见效果，\ :ref:`BaseMaterial3D.vertex_color_use_as_albedo<class_BaseMaterial3D_property_vertex_color_use_as_albedo>` *必须*\ 为 ``true``\ 。对于 :ref:`ShaderMaterial<class_ShaderMaterial>`\ ，必须在着色器的 ``fragment()`` 函数中插入 ``ALBEDO *= COLOR.rgb;``\ 。否则，\ :ref:`color_initial_ramp<class_CPUParticles3D_property_color_initial_ramp>` 将没有可见效果。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_color_ramp:
.. rst-class:: classref-property
:ref:`Gradient<class_Gradient>` **color_ramp** :ref:`🔗<class_CPUParticles3D_property_color_ramp>`
.. rst-class:: classref-property-setget
- |void| **set_color_ramp**\ (\ value\: :ref:`Gradient<class_Gradient>`\ )
- :ref:`Gradient<class_Gradient>` **get_color_ramp**\ (\ )
每个粒子的颜色将在其生命周期内沿该 :ref:`GradientTexture1D<class_GradientTexture1D>` 变化（乘以 :ref:`color<class_CPUParticles3D_property_color>`\ ）。
\ **注意：**\ :ref:`color_ramp<class_CPUParticles3D_property_color_ramp>` 乘以粒子网格的顶点颜色。要在 :ref:`BaseMaterial3D<class_BaseMaterial3D>` 上产生可见效果，\ :ref:`BaseMaterial3D.vertex_color_use_as_albedo<class_BaseMaterial3D_property_vertex_color_use_as_albedo>` *必须*\ 为 ``true``\ 。对于 :ref:`ShaderMaterial<class_ShaderMaterial>`\ ，必须在着色器的 ``fragment()`` 函数中插入 ``ALBEDO *= COLOR.rgb;``\ 。否则，\ :ref:`color_ramp<class_CPUParticles3D_property_color_ramp>` 将没有可见效果。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_damping_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **damping_curve** :ref:`🔗<class_CPUParticles3D_property_damping_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
阻尼将沿着这条 :ref:`Gradient<class_Gradient>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_damping_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **damping_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_damping_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大阻尼。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_damping_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **damping_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_damping_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小阻尼。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_direction:
.. rst-class:: classref-property
:ref:`Vector3<class_Vector3>` **direction** = ``Vector3(1, 0, 0)`` :ref:`🔗<class_CPUParticles3D_property_direction>`
.. rst-class:: classref-property-setget
- |void| **set_direction**\ (\ value\: :ref:`Vector3<class_Vector3>`\ )
- :ref:`Vector3<class_Vector3>` **get_direction**\ (\ )
指定粒子发射方向的单位向量。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_draw_order:
.. rst-class:: classref-property
:ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` **draw_order** = ``0`` :ref:`🔗<class_CPUParticles3D_property_draw_order>`
.. rst-class:: classref-property-setget
- |void| **set_draw_order**\ (\ value\: :ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>`\ )
- :ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` **get_draw_order**\ (\ )
粒子绘制顺序。使用 :ref:`DrawOrder<enum_CPUParticles3D_DrawOrder>` 的值。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_box_extents:
.. rst-class:: classref-property
:ref:`Vector3<class_Vector3>` **emission_box_extents** :ref:`🔗<class_CPUParticles3D_property_emission_box_extents>`
.. rst-class:: classref-property-setget
- |void| **set_emission_box_extents**\ (\ value\: :ref:`Vector3<class_Vector3>`\ )
- :ref:`Vector3<class_Vector3>` **get_emission_box_extents**\ (\ )
:ref:`emission_shape<class_CPUParticles3D_property_emission_shape>` 被设置为 :ref:`EMISSION_SHAPE_BOX<class_CPUParticles3D_constant_EMISSION_SHAPE_BOX>` 时，该矩形的范围。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_colors:
.. rst-class:: classref-property
:ref:`PackedColorArray<class_PackedColorArray>` **emission_colors** = ``PackedColorArray()`` :ref:`🔗<class_CPUParticles3D_property_emission_colors>`
.. rst-class:: classref-property-setget
- |void| **set_emission_colors**\ (\ value\: :ref:`PackedColorArray<class_PackedColorArray>`\ )
- :ref:`PackedColorArray<class_PackedColorArray>` **get_emission_colors**\ (\ )
设置使用 :ref:`EMISSION_SHAPE_POINTS<class_CPUParticles3D_constant_EMISSION_SHAPE_POINTS>` 或 :ref:`EMISSION_SHAPE_DIRECTED_POINTS<class_CPUParticles3D_constant_EMISSION_SHAPE_DIRECTED_POINTS>` 时对粒子进行调制的 :ref:`Color<class_Color>`\ 。
\ **注意：**\ :ref:`emission_colors<class_CPUParticles3D_property_emission_colors>` 会与粒子网格的顶点颜色相乘。要在 :ref:`BaseMaterial3D<class_BaseMaterial3D>` 上产生可见效果，\ :ref:`BaseMaterial3D.vertex_color_use_as_albedo<class_BaseMaterial3D_property_vertex_color_use_as_albedo>` *必须*\ 为 ``true``\ 。对于 :ref:`ShaderMaterial<class_ShaderMaterial>`\ ，必须在着色器的 ``fragment()`` 函数中插入 ``ALBEDO *= COLOR.rgb;``\ 。否则 :ref:`emission_colors<class_CPUParticles3D_property_emission_colors>` 不会产生可见效果。
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedColorArray<class_PackedColorArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_normals:
.. rst-class:: classref-property
:ref:`PackedVector3Array<class_PackedVector3Array>` **emission_normals** :ref:`🔗<class_CPUParticles3D_property_emission_normals>`
.. rst-class:: classref-property-setget
- |void| **set_emission_normals**\ (\ value\: :ref:`PackedVector3Array<class_PackedVector3Array>`\ )
- :ref:`PackedVector3Array<class_PackedVector3Array>` **get_emission_normals**\ (\ )
设置使用 :ref:`EMISSION_SHAPE_DIRECTED_POINTS<class_CPUParticles3D_constant_EMISSION_SHAPE_DIRECTED_POINTS>` 时粒子发射的方向。
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedVector3Array<class_PackedVector3Array>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_points:
.. rst-class:: classref-property
:ref:`PackedVector3Array<class_PackedVector3Array>` **emission_points** :ref:`🔗<class_CPUParticles3D_property_emission_points>`
.. rst-class:: classref-property-setget
- |void| **set_emission_points**\ (\ value\: :ref:`PackedVector3Array<class_PackedVector3Array>`\ )
- :ref:`PackedVector3Array<class_PackedVector3Array>` **get_emission_points**\ (\ )
设置使用 :ref:`EMISSION_SHAPE_POINTS<class_CPUParticles3D_constant_EMISSION_SHAPE_POINTS>` 或 :ref:`EMISSION_SHAPE_DIRECTED_POINTS<class_CPUParticles3D_constant_EMISSION_SHAPE_DIRECTED_POINTS>` 时出生粒子的初始位置。
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedVector3Array<class_PackedVector3Array>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_ring_axis:
.. rst-class:: classref-property
:ref:`Vector3<class_Vector3>` **emission_ring_axis** :ref:`🔗<class_CPUParticles3D_property_emission_ring_axis>`
.. rst-class:: classref-property-setget
- |void| **set_emission_ring_axis**\ (\ value\: :ref:`Vector3<class_Vector3>`\ )
- :ref:`Vector3<class_Vector3>` **get_emission_ring_axis**\ (\ )
使用形为 :ref:`EMISSION_SHAPE_RING<class_CPUParticles3D_constant_EMISSION_SHAPE_RING>` 的发射器时环的轴。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_ring_height:
.. rst-class:: classref-property
:ref:`float<class_float>` **emission_ring_height** :ref:`🔗<class_CPUParticles3D_property_emission_ring_height>`
.. rst-class:: classref-property-setget
- |void| **set_emission_ring_height**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_emission_ring_height**\ (\ )
使用形为 :ref:`EMISSION_SHAPE_RING<class_CPUParticles3D_constant_EMISSION_SHAPE_RING>` 的发射器时环的高度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_ring_inner_radius:
.. rst-class:: classref-property
:ref:`float<class_float>` **emission_ring_inner_radius** :ref:`🔗<class_CPUParticles3D_property_emission_ring_inner_radius>`
.. rst-class:: classref-property-setget
- |void| **set_emission_ring_inner_radius**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_emission_ring_inner_radius**\ (\ )
使用形为 :ref:`EMISSION_SHAPE_RING<class_CPUParticles3D_constant_EMISSION_SHAPE_RING>` 的发射器时环的内半径。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_ring_radius:
.. rst-class:: classref-property
:ref:`float<class_float>` **emission_ring_radius** :ref:`🔗<class_CPUParticles3D_property_emission_ring_radius>`
.. rst-class:: classref-property-setget
- |void| **set_emission_ring_radius**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_emission_ring_radius**\ (\ )
使用形为 :ref:`EMISSION_SHAPE_RING<class_CPUParticles3D_constant_EMISSION_SHAPE_RING>` 的发射器时环的半径。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_shape:
.. rst-class:: classref-property
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **emission_shape** = ``0`` :ref:`🔗<class_CPUParticles3D_property_emission_shape>`
.. rst-class:: classref-property-setget
- |void| **set_emission_shape**\ (\ value\: :ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>`\ )
- :ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` **get_emission_shape**\ (\ )
粒子将在此区域内发射。可能的取值见 :ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emission_sphere_radius:
.. rst-class:: classref-property
:ref:`float<class_float>` **emission_sphere_radius** :ref:`🔗<class_CPUParticles3D_property_emission_sphere_radius>`
.. rst-class:: classref-property-setget
- |void| **set_emission_sphere_radius**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_emission_sphere_radius**\ (\ )
:ref:`EmissionShape<enum_CPUParticles3D_EmissionShape>` 被设置为 :ref:`EMISSION_SHAPE_SPHERE<class_CPUParticles3D_constant_EMISSION_SHAPE_SPHERE>`\ 时，该球体的半径。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_emitting:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **emitting** = ``true`` :ref:`🔗<class_CPUParticles3D_property_emitting>`
.. rst-class:: classref-property-setget
- |void| **set_emitting**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_emitting**\ (\ )
如果为 ``true``\ ，则正在发射粒子。\ :ref:`emitting<class_CPUParticles3D_property_emitting>` 可用于启动和停止粒子发射。但是，如果 :ref:`one_shot<class_CPUParticles3D_property_one_shot>` 为 ``true``\ ，则将 :ref:`emitting<class_CPUParticles3D_property_emitting>` 设置为 ``true`` 将不会重新启动该发射循环，直到所有活动粒子完成处理为止。一旦所有活动粒子完成处理，你可以使用 :ref:`finished<class_CPUParticles3D_signal_finished>` 信号来收取通知。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_explosiveness:
.. rst-class:: classref-property
:ref:`float<class_float>` **explosiveness** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_explosiveness>`
.. rst-class:: classref-property-setget
- |void| **set_explosiveness_ratio**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_explosiveness_ratio**\ (\ )
粒子在单个发射周期中的发射有多急。如果大于 ``0``\ ，则在下一个发射周期开始之前，发射会出现一个间隔。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_fixed_fps:
.. rst-class:: classref-property
:ref:`int<class_int>` **fixed_fps** = ``0`` :ref:`🔗<class_CPUParticles3D_property_fixed_fps>`
.. rst-class:: classref-property-setget
- |void| **set_fixed_fps**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_fixed_fps**\ (\ )
粒子系统的帧速率被固定为一个值。例如，将值更改为 2 会使粒子以每秒 2 帧的速度渲染。请注意，这并不会降低粒子系统本身的速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_flatness:
.. rst-class:: classref-property
:ref:`float<class_float>` **flatness** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_flatness>`
.. rst-class:: classref-property-setget
- |void| **set_flatness**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_flatness**\ (\ )
Y/Z 平面中的 :ref:`spread<class_CPUParticles3D_property_spread>` 数量。值 ``1`` 将粒子限制在 X/Z 平面上。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_fract_delta:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **fract_delta** = ``true`` :ref:`🔗<class_CPUParticles3D_property_fract_delta>`
.. rst-class:: classref-property-setget
- |void| **set_fractional_delta**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_fractional_delta**\ (\ )
如果为 ``为true``\ ，则使用分数增量 delta 计算，将具有更平滑的粒子显示效果。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_gravity:
.. rst-class:: classref-property
:ref:`Vector3<class_Vector3>` **gravity** = ``Vector3(0, -9.8, 0)`` :ref:`🔗<class_CPUParticles3D_property_gravity>`
.. rst-class:: classref-property-setget
- |void| **set_gravity**\ (\ value\: :ref:`Vector3<class_Vector3>`\ )
- :ref:`Vector3<class_Vector3>` **get_gravity**\ (\ )
应用于每个粒子的重力。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_hue_variation_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **hue_variation_curve** :ref:`🔗<class_CPUParticles3D_property_hue_variation_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的色相都会沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_hue_variation_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **hue_variation_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_hue_variation_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大色相变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_hue_variation_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **hue_variation_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_hue_variation_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小色相变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_initial_velocity_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **initial_velocity_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_initial_velocity_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
初始速度的最大值。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_initial_velocity_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **initial_velocity_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_initial_velocity_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
初始速度的最小值。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_lifetime:
.. rst-class:: classref-property
:ref:`float<class_float>` **lifetime** = ``1.0`` :ref:`🔗<class_CPUParticles3D_property_lifetime>`
.. rst-class:: classref-property-setget
- |void| **set_lifetime**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_lifetime**\ (\ )
每个粒子存在的时间。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_lifetime_randomness:
.. rst-class:: classref-property
:ref:`float<class_float>` **lifetime_randomness** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_lifetime_randomness>`
.. rst-class:: classref-property-setget
- |void| **set_lifetime_randomness**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_lifetime_randomness**\ (\ )
粒子寿命随机率。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_linear_accel_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **linear_accel_curve** :ref:`🔗<class_CPUParticles3D_property_linear_accel_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的线性加速度将沿这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_linear_accel_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **linear_accel_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_linear_accel_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大线性加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_linear_accel_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **linear_accel_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_linear_accel_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小线性加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_local_coords:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **local_coords** = ``false`` :ref:`🔗<class_CPUParticles3D_property_local_coords>`
.. rst-class:: classref-property-setget
- |void| **set_use_local_coordinates**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_use_local_coordinates**\ (\ )
如果为 ``true``\ ，粒子使用父节点的坐标空间（称为局部坐标）。这将导致粒子在移动或旋转时，沿着 **CPUParticles3D** 节点（及其父节点）移动和旋转。如果为 ``false``\ ，则粒子使用全局坐标；当移动或旋转时，它们不会沿着 **CPUParticles3D** 节点（及其父节点）移动或旋转。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_mesh:
.. rst-class:: classref-property
:ref:`Mesh<class_Mesh>` **mesh** :ref:`🔗<class_CPUParticles3D_property_mesh>`
.. rst-class:: classref-property-setget
- |void| **set_mesh**\ (\ value\: :ref:`Mesh<class_Mesh>`\ )
- :ref:`Mesh<class_Mesh>` **get_mesh**\ (\ )
每个粒子使用的 :ref:`Mesh<class_Mesh>`\ 。如果为 ``null``\ ，则粒子将为球形。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_one_shot:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **one_shot** = ``false`` :ref:`🔗<class_CPUParticles3D_property_one_shot>`
.. rst-class:: classref-property-setget
- |void| **set_one_shot**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_one_shot**\ (\ )
如果为 ``true``\ ，则只发生一个发射周期。如果在某个周期内设置为 ``true``\ ，则发射将在该周期结束时停止。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_orbit_velocity_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **orbit_velocity_curve** :ref:`🔗<class_CPUParticles3D_property_orbit_velocity_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的轨道速度将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_orbit_velocity_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **orbit_velocity_max** :ref:`🔗<class_CPUParticles3D_property_orbit_velocity_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大轨道速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_orbit_velocity_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **orbit_velocity_min** :ref:`🔗<class_CPUParticles3D_property_orbit_velocity_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小轨道速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_particle_flag_align_y:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **particle_flag_align_y** = ``false`` :ref:`🔗<class_CPUParticles3D_property_particle_flag_align_y>`
.. rst-class:: classref-property-setget
- |void| **set_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`, enable\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ) |const|
将粒子的 Y 轴与其速度方向对齐。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_particle_flag_disable_z:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **particle_flag_disable_z** = ``false`` :ref:`🔗<class_CPUParticles3D_property_particle_flag_disable_z>`
.. rst-class:: classref-property-setget
- |void| **set_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`, enable\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ) |const|
如果为 ``true``\ ，则粒子将不会在 Z 轴上移动。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_particle_flag_rotate_y:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **particle_flag_rotate_y** = ``false`` :ref:`🔗<class_CPUParticles3D_property_particle_flag_rotate_y>`
.. rst-class:: classref-property-setget
- |void| **set_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`, enable\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ) |const|
如果为 ``true``\ ，则粒子绕 Y 轴旋转 :ref:`angle_min<class_CPUParticles3D_property_angle_min>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_preprocess:
.. rst-class:: classref-property
:ref:`float<class_float>` **preprocess** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_preprocess>`
.. rst-class:: classref-property-setget
- |void| **set_pre_process_time**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_pre_process_time**\ (\ )
粒子系统启动时就好像已经运行了这么多秒一样。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_radial_accel_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **radial_accel_curve** :ref:`🔗<class_CPUParticles3D_property_radial_accel_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的径向加速度将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_radial_accel_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **radial_accel_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_radial_accel_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大径向加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_radial_accel_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **radial_accel_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_radial_accel_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小径向加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_randomness:
.. rst-class:: classref-property
:ref:`float<class_float>` **randomness** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_randomness>`
.. rst-class:: classref-property-setget
- |void| **set_randomness_ratio**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_randomness_ratio**\ (\ )
发射寿命随机率。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_amount_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **scale_amount_curve** :ref:`🔗<class_CPUParticles3D_property_scale_amount_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的缩放将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_amount_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **scale_amount_max** = ``1.0`` :ref:`🔗<class_CPUParticles3D_property_scale_amount_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大缩放。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_amount_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **scale_amount_min** = ``1.0`` :ref:`🔗<class_CPUParticles3D_property_scale_amount_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小缩放。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_curve_x:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **scale_curve_x** :ref:`🔗<class_CPUParticles3D_property_scale_curve_x>`
.. rst-class:: classref-property-setget
- |void| **set_scale_curve_x**\ (\ value\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_scale_curve_x**\ (\ )
生命周期内，沿 X 轴的缩放曲线。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_curve_y:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **scale_curve_y** :ref:`🔗<class_CPUParticles3D_property_scale_curve_y>`
.. rst-class:: classref-property-setget
- |void| **set_scale_curve_y**\ (\ value\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_scale_curve_y**\ (\ )
生命周期内，沿 Y 轴的缩放曲线。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_scale_curve_z:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **scale_curve_z** :ref:`🔗<class_CPUParticles3D_property_scale_curve_z>`
.. rst-class:: classref-property-setget
- |void| **set_scale_curve_z**\ (\ value\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_scale_curve_z**\ (\ )
生命周期内，沿 Z 轴的缩放曲线。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_speed_scale:
.. rst-class:: classref-property
:ref:`float<class_float>` **speed_scale** = ``1.0`` :ref:`🔗<class_CPUParticles3D_property_speed_scale>`
.. rst-class:: classref-property-setget
- |void| **set_speed_scale**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_speed_scale**\ (\ )
粒子系统的运行速度的缩放率。\ ``0`` 值可用于暂停粒子。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_split_scale:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **split_scale** = ``false`` :ref:`🔗<class_CPUParticles3D_property_split_scale>`
.. rst-class:: classref-property-setget
- |void| **set_split_scale**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_split_scale**\ (\ )
如果设置为 ``true``\ ，则可以指定三条不同的缩放曲线，每个缩放轴一条。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_spread:
.. rst-class:: classref-property
:ref:`float<class_float>` **spread** = ``45.0`` :ref:`🔗<class_CPUParticles3D_property_spread>`
.. rst-class:: classref-property-setget
- |void| **set_spread**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_spread**\ (\ )
每个粒子的初始方向范围为 ``+spread`` 至 ``-spread`` 度。适用于 X/Z 平面和 Y/Z 平面。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_tangential_accel_curve:
.. rst-class:: classref-property
:ref:`Curve<class_Curve>` **tangential_accel_curve** :ref:`🔗<class_CPUParticles3D_property_tangential_accel_curve>`
.. rst-class:: classref-property-setget
- |void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ )
- :ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
每个粒子的切向加速度将沿着这条 :ref:`Curve<class_Curve>` 变化。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_tangential_accel_max:
.. rst-class:: classref-property
:ref:`float<class_float>` **tangential_accel_max** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_tangential_accel_max>`
.. rst-class:: classref-property-setget
- |void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最大切向加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_tangential_accel_min:
.. rst-class:: classref-property
:ref:`float<class_float>` **tangential_accel_min** = ``0.0`` :ref:`🔗<class_CPUParticles3D_property_tangential_accel_min>`
.. rst-class:: classref-property-setget
- |void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const|
最小切向加速度。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_property_visibility_aabb:
.. rst-class:: classref-property
:ref:`AABB<class_AABB>` **visibility_aabb** = ``AABB(0, 0, 0, 0, 0, 0)`` :ref:`🔗<class_CPUParticles3D_property_visibility_aabb>`
.. rst-class:: classref-property-setget
- |void| **set_visibility_aabb**\ (\ value\: :ref:`AABB<class_AABB>`\ )
- :ref:`AABB<class_AABB>` **get_visibility_aabb**\ (\ )
:ref:`AABB<class_AABB>` 确定节点的区域，该区域需要在屏幕上可见才能使粒子系统处于活动状态。
如果当节点进入/退出屏幕时粒子突然出现/消失，则增大盒子。\ :ref:`AABB<class_AABB>` 可以通过代码或使用 **粒子 → 生成 AABB** 编辑器工具来生成。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
方法说明
--------
.. _class_CPUParticles3D_method_convert_from_particles:
.. rst-class:: classref-method
|void| **convert_from_particles**\ (\ particles\: :ref:`Node<class_Node>`\ ) :ref:`🔗<class_CPUParticles3D_method_convert_from_particles>`
设置该节点的属性以匹配给定的 :ref:`GPUParticles3D<class_GPUParticles3D>` 节点，该给定节点已分配了一个 :ref:`ParticleProcessMaterial<class_ParticleProcessMaterial>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_get_param_curve:
.. rst-class:: classref-method
:ref:`Curve<class_Curve>` **get_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| :ref:`🔗<class_CPUParticles3D_method_get_param_curve>`
返回由 :ref:`Parameter<enum_CPUParticles3D_Parameter>` 指定的参数的 :ref:`Curve<class_Curve>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_get_param_max:
.. rst-class:: classref-method
:ref:`float<class_float>` **get_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| :ref:`🔗<class_CPUParticles3D_method_get_param_max>`
返回给定参数的最大值范围。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_get_param_min:
.. rst-class:: classref-method
:ref:`float<class_float>` **get_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`\ ) |const| :ref:`🔗<class_CPUParticles3D_method_get_param_min>`
返回给定参数的最小值范围。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_get_particle_flag:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **get_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ) |const| :ref:`🔗<class_CPUParticles3D_method_get_particle_flag>`
返回给定粒子标志的启用状态（选项见 :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ）。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_restart:
.. rst-class:: classref-method
|void| **restart**\ (\ ) :ref:`🔗<class_CPUParticles3D_method_restart>`
重新启动粒子发射器。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_set_param_curve:
.. rst-class:: classref-method
|void| **set_param_curve**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, curve\: :ref:`Curve<class_Curve>`\ ) :ref:`🔗<class_CPUParticles3D_method_set_param_curve>`
设置 :ref:`Parameter<enum_CPUParticles3D_Parameter>` 指定的参数的 :ref:`Curve<class_Curve>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_set_param_max:
.. rst-class:: classref-method
|void| **set_param_max**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ ) :ref:`🔗<class_CPUParticles3D_method_set_param_max>`
设置给定参数的最大值。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_set_param_min:
.. rst-class:: classref-method
|void| **set_param_min**\ (\ param\: :ref:`Parameter<enum_CPUParticles3D_Parameter>`, value\: :ref:`float<class_float>`\ ) :ref:`🔗<class_CPUParticles3D_method_set_param_min>`
设置给定参数的最小值。
.. rst-class:: classref-item-separator
----
.. _class_CPUParticles3D_method_set_particle_flag:
.. rst-class:: classref-method
|void| **set_particle_flag**\ (\ particle_flag\: :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`, enable\: :ref:`bool<class_bool>`\ ) :ref:`🔗<class_CPUParticles3D_method_set_particle_flag>`
启用或禁用给定的粒子标志（选项见 :ref:`ParticleFlags<enum_CPUParticles3D_ParticleFlags>`\ ）。
.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
.. |void| replace:: :abbr:`void (无返回值。)`
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