public static ComputeBuffer CreateSkinnedAnimationComputeBuffer(this SkinnedMeshRenderer skinnedMeshRenderer, Animator animator, AnimationClip animationClip, out int framesCount)
{
AnimatorStateInfo aniStateInfo = animator.GetCurrentAnimatorStateInfo(0);
Mesh bakedMesh = new Mesh();
float sampleTime = 0;
float perFrameTime = 0;
framesCount = Mathf.ClosestPowerOfTwo((int)(animationClip.frameRate * animationClip.length));
perFrameTime = animationClip.length / framesCount;
int vertexCount = skinnedMeshRenderer.sharedMesh.vertexCount;
Vector4[] vertexAnimationData = new Vector4[vertexCount * framesCount];
for (int i = 0; i < framesCount; i++)
{
animator.Play(aniStateInfo.shortNameHash, 0, sampleTime);
animator.Update(0f);
skinnedMeshRenderer.BakeMesh(bakedMesh);
for (int j = 0; j < vertexCount; j++)
{
Vector3 vertex = bakedMesh.vertices[j];
vertexAnimationData[(j * framesCount) + i] = vertex;
}
sampleTime += perFrameTime;
}
ComputeBuffer vertexAnimationBuffer = new ComputeBuffer(vertexCount * framesCount, sizeof(float) * 4);
vertexAnimationBuffer.SetData(vertexAnimationData.Clone() as Vector4[]);
return(vertexAnimationBuffer);
}
public void Vector4Clone()
{
tlog.Debug(tag, $"Vector4Clone START");
using (Vector4 vec = new Vector4(20, 20, 20, 20))
{
var testingTarget = vec.Clone();
Assert.IsNotNull(testingTarget, "should be not null");
Assert.IsInstanceOf <Vector4>(testingTarget, "should be an instance of testing target class!");
}
tlog.Debug(tag, $"Vector4Clone END (OK)");
}
/// <summary>
/// Transforms a poly with the provided matrix
/// </summary>
public static Vector4[] Transform(Matrix mat, Vector4[] poly)
{
Vector4[] ret = (Vector4[])poly.Clone();
Vector4.Transform(ret, ref mat, ret);
return ret;
}
