public override void Crossfade(int index, float speed)
{
if (currentAnimIndex < 0)
{
Play(index);
return;
}
ShaderMeshAnimation currentAnimation = this.currentAnimation as ShaderMeshAnimation;
CreatePropertyBlock();
meshRenderer.GetPropertyBlock(materialPropertyBlock);
Vector4 crossfadeInfo = new Vector4(propertyBlockData.x, propertyBlockData.y, propertyBlockData.z, propertyBlockData.w);
int framesPerTexture = Mathf.FloorToInt((textureSizeX * textureSizeY) / (currentAnimation.vertexCount * 2));
int localOffset = Mathf.FloorToInt(currentFrame / (float)framesPerTexture);
int textureIndex = textureStartIndex + localOffset;
int frameOffset = Mathf.FloorToInt(currentFrame % framesPerTexture);
int pixelOffset = currentAnimation.vertexCount * 2 * frameOffset;
crossfadeInfo.x = pixelOffset;
var shaderTime = _shaderTime;
materialPropertyBlock.SetFloat(_crossfadeAnimTextureIndexProp, textureIndex);
materialPropertyBlock.SetVector(_crossfadeAnimScalarProp, currentAnimation.animScalar);
materialPropertyBlock.SetVector(_crossfadeAnimInfoProp, crossfadeInfo);
materialPropertyBlock.SetFloat(_crossfadeStartTimeProp, shaderTime.y);
materialPropertyBlock.SetFloat(_crossfadeEndTimeProp, shaderTime.y + speed);
meshRenderer.SetPropertyBlock(materialPropertyBlock);
Play(index);
}
protected override void OnCurrentAnimationChanged(IMeshAnimation meshAnimation)
{
ShaderMeshAnimation currentAnimation = meshAnimation as ShaderMeshAnimation;
CreatePropertyBlock();
meshRenderer.GetPropertyBlock(materialPropertyBlock);
materialPropertyBlock.SetVector(_animScalarProp, currentAnimation.animScalar);
propertyBlockData.y = currentAnimation.vertexCount;
pixelsPerTexture = currentAnimation.textureSize.x * currentAnimation.textureSize.y;
textureStartIndex = 0;
for (int i = 0; i < currentAnimIndex; i++)
{
textureStartIndex += meshAnimations[i].textureCount;
}
textureSizeX = currentAnimation.textureSize.x;
textureSizeY = currentAnimation.textureSize.y;
// set animation info
propertyBlockData.x = textureStartIndex;
propertyBlockData.z = textureSizeX;
propertyBlockData.w = textureSizeY;
materialPropertyBlock.SetVector(_animInfoProp, propertyBlockData);
// set texture index
materialPropertyBlock.SetFloat(_animTextureIndexProp, textureStartIndex);
// set time info
float startTime = _shaderTime.y;
timeBlockData = new Vector4(
0,
currentAnimation.TotalFrames,
startTime,
startTime + (currentAnimation.length / (speed * currentAnimation.playbackSpeed)));
materialPropertyBlock.SetVector(_animTimeProp, timeBlockData);
// set property block
meshRenderer.SetPropertyBlock(materialPropertyBlock);
}
public override void SetAnimations(IMeshAnimation[] meshAnimations)
{
this.meshAnimations = new ShaderMeshAnimation[meshAnimations.Length];
for (int i = 0; i < meshAnimations.Length; i++)
{
this.meshAnimations[i] = meshAnimations[i] as ShaderMeshAnimation;
}
if (meshAnimations.Length > 0 && defaultMeshAnimation == null)
{
defaultMeshAnimation = this.meshAnimations[0];
}
}
