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Dynamic BVH for rendering and godot physics

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Complete rewrite of spatial partitioning using a bounding volume hierarchy rather than octree.

Switchable in project settings between using octree or BVH for rendering and physics.
This commit is contained in:
lawnjelly
2020-10-21 13:13:20 +01:00
parent 0a8cc0a565
commit 690e07b509
23 changed files with 3647 additions and 38 deletions
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6
doc/classes/ProjectSettings.xml
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@@ -996,6 +996,9 @@
The default linear damp in 3D.
[b]Note:[/b] Good values are in the range [code]0[/code] to [code]1[/code]. At value [code]0[/code] objects will keep moving with the same velocity. Values greater than [code]1[/code] will aim to reduce the velocity to [code]0[/code] in less than a second e.g. a value of [code]2[/code] will aim to reduce the velocity to [code]0[/code] in half a second. A value equal to or greater than the physics frame rate ([member ProjectSettings.physics/common/physics_fps], [code]60[/code] by default) will bring the object to a stop in one iteration.
</member>
<member name="physics/3d/godot_physics/use_bvh" type="bool" setter="" getter="" default="false">
Enables the use of bounding volume hierarchy instead of octree for physics spatial partitioning. This may give better performance.
</member>
<member name="physics/3d/physics_engine" type="String" setter="" getter="" default="&quot;DEFAULT&quot;">
Sets which physics engine to use for 3D physics.
"DEFAULT" is currently the [url=https://bulletphysics.org]Bullet[/url] physics engine. The "GodotPhysics" engine is still supported as an alternative.
@@ -1244,6 +1247,9 @@
The rendering octree balance can be changed to favor smaller ([code]0[/code]), or larger ([code]1[/code]) branches.
Larger branches can increase performance significantly in some projects.
</member>
<member name="rendering/quality/spatial_partitioning/use_bvh" type="bool" setter="" getter="" default="false">
Enables the use of bounding volume hierarchy instead of octree for rendering spatial partitioning. This may give better performance.
</member>
<member name="rendering/quality/subsurface_scattering/follow_surface" type="bool" setter="" getter="" default="false">
Improves quality of subsurface scattering, but cost significantly increases.
</member>