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[unity] Minor: RootMotion: commented failed experiments with setting velocity instead of MovePosition.

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Harald Csaszar 2024-07-12 17:52:52 +02:00
parent d08f346dea
commit cc55a2eeba
1 changed files with 7 additions and 0 deletions
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spine-unity/Assets/Spine/Runtime/spine-unity/Components/RootMotion/SkeletonRootMotionBase.cs
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@ -208,6 +208,13 @@ namespace Spine.Unity {
} }
Vector2 rigidbodyDisplacement2D = new Vector2(rigidbodyDisplacement.x, rigidbodyDisplacement.y); Vector2 rigidbodyDisplacement2D = new Vector2(rigidbodyDisplacement.x, rigidbodyDisplacement.y);
// Note: MovePosition seems to be the only precise and reliable way to set movement delta,
// for both 2D and 3D rigidbodies.
// Setting velocity like "rigidBody2D.velocity = movement/deltaTime" works perfectly in mid-air
// without gravity and ground collision, unfortunately when on the ground, friction causes severe
// slowdown. Using a zero-friction PhysicsMaterial leads to sliding endlessly along the ground as
// soon as forces are applied. Additionally, there is no rigidBody2D.isGrounded, requiring our own
// checks.
rigidBody2D.MovePosition(gravityAndVelocityMovement + new Vector2(rigidBody2D.position.x, rigidBody2D.position.y) rigidBody2D.MovePosition(gravityAndVelocityMovement + new Vector2(rigidBody2D.position.x, rigidBody2D.position.y)
+ rigidbodyDisplacement2D + additionalRigidbody2DMovement); + rigidbodyDisplacement2D + additionalRigidbody2DMovement);
rigidBody2D.MoveRotation(rigidbody2DRotation + rigidBody2D.rotation); rigidBody2D.MoveRotation(rigidbody2DRotation + rigidBody2D.rotation);