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Minor tutorial fixes for 3.1

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This commit is contained in:
Chris Bradfield
2019-03-20 18:35:40 -07:00
parent b6ceeb1559
commit 41b67909fe
3 changed files with 6 additions and 13 deletions
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2
getting_started/scripting/gdscript/static_typing.rst
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@@ -211,7 +211,7 @@ Define the return type of a function with the arrow ->
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
To define the return type of a function, write a dash and a right angle
bracket ``->`` after it’s declaration, followed by the return type:
bracket ``->`` after its declaration, followed by the return type:
::

11
tutorials/2d/custom_drawing_in_2d.rst
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@@ -345,8 +345,6 @@ is 361°, then it is actually 1°. If you don't wrap these values, the script wi
work correctly, but the angle values will grow bigger and bigger over time until
they reach the maximum integer value Godot can manage (``2^31 - 1``).
When this happens, Godot may crash or produce unexpected behavior.
Since Godot doesn't provide a ``wrap()`` function, we'll create it here, as
it is relatively simple.
Finally, we must not forget to call the ``update()`` function, which automatically
calls ``_draw()``. This way, you can control when you want to refresh the frame.
@@ -354,19 +352,14 @@ calls ``_draw()``. This way, you can control when you want to refresh the frame.
.. tabs::
.. code-tab:: gdscript GDScript
func wrap(value, min_val, max_val):
var f1 = value - min_val
var f2 = max_val - min_val
return fmod(f1, f2) + min_val
func _process(delta):
angle_from += rotation_angle
angle_to += rotation_angle
# We only wrap angles when both of them are bigger than 360.
if angle_from > 360 and angle_to > 360:
angle_from = wrap(angle_from, 0, 360)
angle_to = wrap(angle_to, 0, 360)
angle_from = wrapf(angle_from, 0, 360)
angle_to = wrapf(angle_to, 0, 360)
update()
.. code-tab:: csharp

6
tutorials/physics/physics_introduction.rst
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@@ -225,15 +225,15 @@ For example, here is the code for an "Asteroids" style spaceship:
func _integrate_forces(state):
if Input.is_action_pressed("ui_up"):
set_applied_force(thrust.rotated(rotation))
applied_force = thrust.rotated(rotation)
else:
set_applied_force(Vector2())
applied_force = Vector2()
var rotation_dir = 0
if Input.is_action_pressed("ui_right"):
rotation_dir += 1
if Input.is_action_pressed("ui_left"):
rotation_dir -= 1
set_applied_torque(rotation_dir * torque)
applied_torque = rotation_dir * torque
.. code-tab:: csharp