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Improved logic for CharacterBody collision recovery depth

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Allows 2D character controller to work without applying gravity when
touching the ground (also more safely in 3D), and collision detection
is more flexible with different safe margin values.

Character body motion changes in 2D and 3D:
-Recovery only for depth > min contact depth to help with collision
detection consistency (rest info could be lost if recovery was too much)
-Adaptive min contact depth (based on margin) instead of space parameter

Extra CharacterBody changes:
-2D: apply changes made in 3D for stop on slope and floor snap that help
fixing some jittering cases
-3D: fix minor inconsistencies in stop on slope and floor snap logic
This commit is contained in:
PouleyKetchoupp 2021-09-16 18:38:17 -07:00
parent c1e6c2c49a
commit bf523a2b2a
14 changed files with 49 additions and 49 deletions
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2
doc/classes/PhysicsServer2D.xml
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@ -851,8 +851,6 @@
<constant name="SPACE_PARAM_CONSTRAINT_DEFAULT_BIAS" value="6" enum="SpaceParameter">
Constant to set/get the default solver bias for all physics constraints. A solver bias is a factor controlling how much two objects "rebound", after violating a constraint, to avoid leaving them in that state because of numerical imprecision.
</constant>
<constant name="SPACE_PARAM_TEST_MOTION_MIN_CONTACT_DEPTH" value="7" enum="SpaceParameter">
</constant>
<constant name="SHAPE_WORLD_BOUNDARY" value="0" enum="ShapeType">
This is the constant for creating world boundary shapes. A world boundary shape is an [i]infinite[/i] line with an origin point, and a normal. Thus, it can be used for front/behind checks.
</constant>