public Vector3 getPositionAtFrame(Transform t, int frame, int frameRate, bool forceWorld)
{
int keyCount = keys.Count;
if (keyCount <= 0)
{
return(GetPosition(t));
}
AMTranslationKey firstKey = keys[0] as AMTranslationKey;
//check if behind first key
if (frame <= firstKey.frame && (!firstKey.canTween || firstKey.path.Length == 1))
{
return(convertPosition(t, firstKey.position, forceWorld));
}
AMTranslationKey lastKey = keyCount == 1 ? firstKey : keys[keyCount - 1] as AMTranslationKey;
//check if past last key
if (frame >= lastKey.endFrame && !lastKey.canTween)
{
return(convertPosition(t, lastKey.position, forceWorld));
}
//check in-between
for (int i = 0; i < keyCount; i++)
{
AMTranslationKey key = keys[i] as AMTranslationKey;
AMTranslationKey keyNext = i < keyCount - 1 ? keys[i + 1] as AMTranslationKey : null;
if (frame >= key.endFrame && keyNext != null && (!keyNext.canTween || keyNext.path.Length > 1))
{
continue;
}
if (!key.canTween || key.path.Length == 1)
{
return(convertPosition(t, key.position, forceWorld));
}
else if (key.path.Length == 0)
{
continue;
}
float fNumFrames = (float)key.getNumberOfFrames(frameRate);
float _value;
float framePositionInPath = Mathf.Clamp(frame - (float)key.frame, 0f, fNumFrames);
if (key.hasCustomEase())
{
_value = AMUtil.EaseCustom(0.0f, 1.0f, framePositionInPath / fNumFrames, key.easeCurve);
}
else
{
var ease = AMUtil.GetEasingFunction((Ease)key.easeType);
_value = ease(framePositionInPath, fNumFrames, key.amplitude, key.period);
if (float.IsNaN(_value)) //this really shouldn't happen...
{
break;
}
}
return(convertPosition(t, key.GetPoint(Mathf.Clamp01(_value)), forceWorld));
}
Debug.LogError("Animator: Could not get " + t.name + " position at frame '" + frame + "'");
return(GetPosition(t));
}
// preview a frame in the scene view
public override void previewFrame(AMITarget itarget, float frame, int frameRate, bool play, float playSpeed)
{
Transform t = GetTarget(itarget) as Transform;
if (!t)
{
return;
}
int keyCount = keys.Count;
if (keys == null || keyCount <= 0)
{
return;
}
int iFrame = Mathf.RoundToInt(frame);
AMTranslationKey firstKey = keys[0] as AMTranslationKey;
//check if behind first key
if (iFrame <= firstKey.frame && (!firstKey.canTween || firstKey.path.Length == 1))
{
SetPosition(t, firstKey.position);
return;
}
AMTranslationKey lastKey = keyCount == 1 ? firstKey : keys[keyCount - 1] as AMTranslationKey;
//check if past last key
if (iFrame >= lastKey.endFrame && !lastKey.canTween)
{
SetPosition(t, lastKey.position);
return;
}
//check in-between
for (int i = 0; i < keyCount; i++)
{
AMTranslationKey key = keys[i] as AMTranslationKey;
if (iFrame >= key.endFrame && i < keyCount - 1)
{
continue;
}
if (!key.canTween || key.path.Length == 1)
{
SetPosition(t, key.position);
return;
}
else if (key.path.Length == 0)
{
continue;
}
float fNumFrames = (float)key.getNumberOfFrames(frameRate);
float _value;
float framePositionInPath = Mathf.Clamp(frame - (float)key.frame, 0f, fNumFrames);
if (key.hasCustomEase())
{
_value = AMUtil.EaseCustom(0.0f, 1.0f, framePositionInPath / fNumFrames, key.easeCurve);
}
else
{
var ease = AMUtil.GetEasingFunction((Ease)key.easeType);
_value = ease(framePositionInPath, fNumFrames, key.amplitude, key.period);
if (float.IsNaN(_value)) //this really shouldn't happen...
{
return;
}
}
SetPosition(t, key.GetPoint(Mathf.Clamp01(_value)));
return;
}
}