private void OnEnable()
{
mTransform = transform;
if (resetOnEnable && meshFilter)
{
if (playAutomatically)
{
Play(defaultAnimation.name);
}
else
{
isPaused = true;
}
if (currentAnimation != null)
{
currentAnimation.GenerateFrameIfNeeded(baseMesh, currentFrame);
currentAnimation.DisplayFrame(meshFilter, currentFrame, -1);
}
}
MeshAnimatorManager.AddAnimator(this);
lastFrameTime = Time.time;
}
public void UpdateTick(float time)
{
if (initialized == false)
{
return;
}
MeshAnimation cAnim = currentAnimation;
if ((isVisible == false && updateWhenOffscreen == false) || isPaused || speed == 0 || cAnim.playbackSpeed == 0) // return if offscreen or crossfading
{
return;
}
// if the speed is below the normal playback speed, wait until the next frame can display
float lodFPS = LODLevels.Length > currentLodLevel ? LODLevels[currentLodLevel].fps : FPS;
float totalSpeed = Mathf.Abs(cAnim.playbackSpeed * speed);
float tickRate = Mathf.Max(0.0001f, 1f / lodFPS / totalSpeed);
float actualDelta = time - lastFrameTime;
bool finished = false;
float pingPongMult = pingPong ? -1 : 1;
if (speed * cAnim.playbackSpeed < 0)
{
currentAnimTime -= actualDelta * pingPongMult * totalSpeed;
}
else
{
currentAnimTime += actualDelta * pingPongMult * totalSpeed;
}
if (currentAnimTime < 0)
{
currentAnimTime = cAnim.length;
finished = true;
}
else if (currentAnimTime > cAnim.length)
{
if (cAnim.wrapMode == WrapMode.Loop)
{
currentAnimTime = 0;
}
finished = true;
}
nextTick = time + tickRate;
lastFrameTime = time;
float normalizedTime = currentAnimTime / cAnim.length;
int previousFrame = currentFrame;
currentFrame = Mathf.Min(Mathf.RoundToInt(normalizedTime * cAnim.totalFrames), cAnim.totalFrames - 1);
// do WrapMode.PingPong
if (cAnim.wrapMode == WrapMode.PingPong)
{
if (finished)
{
pingPong = !pingPong;
}
}
if (finished)
{
bool stopUpdate = false;
if (queuedAnims != null && queuedAnims.Count > 0)
{
Play(queuedAnims.Dequeue());
stopUpdate = true;
}
else if (cAnim.wrapMode != WrapMode.Loop && cAnim.wrapMode != WrapMode.PingPong)
{
nextTick = float.MaxValue;
stopUpdate = true;
}
if (OnAnimationFinished != null)
{
OnAnimationFinished(cAnim.animationName);
}
if (stopUpdate)
{
FireAnimationEvents(cAnim, totalSpeed, finished);
return;
}
}
// generate frames if needed and show the current animation frame
cAnim.GenerateFrameIfNeeded(baseMesh, currentFrame);
// if crossfading, lerp the vertices to the next frame
if (currentCrossFade.isFading)
{
if (currentCrossFade.currentFrame >= currentCrossFade.framesNeeded)
{
currentFrame = 0;
previousFrame = -1;
currentAnimTime = 0;
ReturnCrossfadeToPool();
}
else
{
#if !THREADS_ENABLED
GenerateCrossfadeFrame();
#endif
if (currentCrossFade.generatedFrame >= currentCrossFade.currentFrame)
{
if (crossFadeMesh == null)
{
crossFadeMesh = GetCrossfadeFromPool();
}
crossFadeMesh.vertices = currentCrossFade.frame.positions;
crossFadeMesh.bounds = currentCrossFade.frame.bounds;
if (recalculateCrossfadeNormals)
{
crossFadeMesh.RecalculateNormals();
}
meshFilter.sharedMesh = crossFadeMesh;
currentCrossFade.ReturnFrame();
currentCrossFade.currentFrame++;
if (currentCrossFade.currentFrame < currentCrossFade.framesNeeded)
{
EnqueueAnimatorForCrossfade(this);
}
// move exposed transforms
bool exposedTransforms = childMap != null;
bool applyRootMotion = cAnim.rootMotionMode == MeshAnimation.RootMotionMode.AppliedToTransform;
if (exposedTransforms || applyRootMotion)
{
float delta = currentCrossFade.currentFrame / (float)currentCrossFade.framesNeeded;
MeshFrameData fromFrame = currentCrossFade.fromFrame;
MeshFrameData toFrame = currentCrossFade.toFrame;
// move exposed transforms
if (exposedTransforms)
{
for (int i = 0; i < cAnim.exposedTransforms.Length; i++)
{
Transform child = null;
if (fromFrame.exposedTransforms.Length <= i || toFrame.exposedTransforms.Length <= i)
{
continue;
}
if (childMap != null && childMap.TryGetValue(cAnim.exposedTransforms[i], out child))
{
Matrix4x4 f = fromFrame.exposedTransforms[i];
Matrix4x4 t = toFrame.exposedTransforms[i];
Matrix4x4 c = MatrixLerp(f, t, delta);
MatrixUtils.FromMatrix4x4(child, c);
}
}
}
// apply root motion
if (applyRootMotion)
{
Vector3 pos = Vector3.Lerp(fromFrame.rootMotionPosition, toFrame.rootMotionPosition, delta);
Quaternion rot = Quaternion.Lerp(fromFrame.rootMotionRotation, toFrame.rootMotionRotation, delta);
transform.Translate(pos, Space.Self);
transform.Rotate(rot.eulerAngles * Time.deltaTime, Space.Self);
}
}
}
}
}
if (currentCrossFade.isFading == false)
{
cAnim.DisplayFrame(meshFilter, currentFrame, previousFrame);
if (currentFrame != previousFrame)
{
bool exposedTransforms = childMap != null;
bool applyRootMotion = cAnim.rootMotionMode == MeshAnimation.RootMotionMode.AppliedToTransform;
if (exposedTransforms || applyRootMotion)
{
MeshFrameData frame = cAnim.GetNearestFrame(currentFrame);
// move exposed transforms
if (exposedTransforms)
{
for (int i = 0; i < cAnim.exposedTransforms.Length; i++)
{
Transform child = null;
if (frame.exposedTransforms.Length > i && childMap != null && childMap.TryGetValue(cAnim.exposedTransforms[i], out child))
{
MatrixUtils.FromMatrix4x4(child, frame.exposedTransforms[i]);
}
}
}
// apply root motion
if (applyRootMotion)
{
if (previousFrame > currentFrame)
{
// animation looped around, apply motion for skipped frames at the end of the animation
for (int i = previousFrame + 1; i < cAnim.frames.Length; i++)
{
MeshFrameData rootFrame = cAnim.GetNearestFrame(i);
transform.Translate(rootFrame.rootMotionPosition, Space.Self);
transform.Rotate(rootFrame.rootMotionRotation.eulerAngles * Time.deltaTime, Space.Self);
}
// now apply motion from first frame to current frame
for (int i = 0; i <= currentFrame; i++)
{
MeshFrameData rootFrame = cAnim.GetNearestFrame(i);
transform.Translate(rootFrame.rootMotionPosition, Space.Self);
transform.Rotate(rootFrame.rootMotionRotation.eulerAngles * Time.deltaTime, Space.Self);
}
}
else
{
for (int i = previousFrame + 1; i <= currentFrame; i++)
{
MeshFrameData rootFrame = cAnim.GetNearestFrame(i);
transform.Translate(rootFrame.rootMotionPosition, Space.Self);
transform.Rotate(rootFrame.rootMotionRotation.eulerAngles * Time.deltaTime, Space.Self);
}
}
}
}
}
}
if (OnFrameUpdated != null)
{
OnFrameUpdated();
}
FireAnimationEvents(cAnim, totalSpeed, finished);
// update the lod level if needed
if (LODLevels.Length > 0 && (LODCamera != null || Camera.main))
{
if (LODCamera == null)
{
LODCamera = Camera.main.transform;
}
float dis = (LODCamera.position - mTransform.position).sqrMagnitude;
int lodLevel = 0;
for (int i = 0; i < LODLevels.Length; i++)
{
if (dis > LODLevels[i].distance * LODLevels[i].distance)
{
lodLevel = i;
}
}
if (currentLodLevel != lodLevel)
{
currentLodLevel = lodLevel;
}
}
}
