/// <summary>
/// Remove a keyframe of component.
/// </summary>
public void RemoveKeyframe(SpriteAnimationKeyFrame kf)
{
List<SpriteAnimationKeyFrame> tmp = new List<SpriteAnimationKeyFrame>(keyFrames);
tmp.Remove(kf);
tmp.Sort(SpriteAnimationKeyFrameComparerByFrameIndex.comparer);
keyFrames = tmp.ToArray();
CalcCurve(null);
}
/// <summary>
/// Calculate the curves of component.
/// </summary>
public void CalcCurve(SpriteAnimationKeyFrame newKf)
{
_maxIndex = GetMaxIndex();
List<SpriteAnimationKeyFrame> tmp = new List<SpriteAnimationKeyFrame>(keyFrames);
tmp.Sort(SpriteAnimationKeyFrameComparerByFrameIndex.comparer);
keyFrames = tmp.ToArray();
ApplyCurveChangeToKeyframe();
List<SpriteAnimationCurve> tmpCurves = new List<SpriteAnimationCurve>();
for (int i = (int)SpriteAnimationCurveType.KeyframeIndex, e = (int)SpriteAnimationCurveType.ShearY; i <= e; i++)
{
SpriteAnimationCurve curve = new SpriteAnimationCurve();
curve.type = (SpriteAnimationCurveType)i;
curve.curve = new AnimationCurve();
foreach (SpriteAnimationCurve _curve in curves)
{
if (_curve.type == curve.type)
curve.interpolation = _curve.interpolation;
}
tmpCurves.Add(curve);
}
float tick = 1f / clip.frameRate;
int idx = 0;
tmpCurves[(int)SpriteAnimationCurveType.KeyframeIndex].curve = new AnimationCurve();
tmpCurves[(int)SpriteAnimationCurveType.KeyframeIndex].interpolation = true;
foreach (SpriteAnimationKeyFrame kf in keyFrames)
{
float time = kf.frameIndex * tick; ;
kf.isSpriteValid = kf.sprite != null;
bool needSmooth = kf == newKf;
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.KeyframeIndex], time, idx + 0.005f, false, 0, false);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.PositionX], time, kf.position.x, true, 1, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.PositionY], time, kf.position.y, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.Rotate], time, kf.rotation, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ScaleX], time, kf.scale.x, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ScaleY], time, kf.scale.y, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ShearX], time, kf.shear.x, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ShearY], time, kf.shear.y, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ColorR], time, kf.color.r, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ColorG], time, kf.color.g, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ColorB], time, kf.color.b, true, 0, needSmooth);
AddKeyToCurve(tmpCurves[(int)SpriteAnimationCurveType.ColorA], time, kf.color.a, true, 0, needSmooth);
idx++;
}
//for (int i = 0, e = tmpCurves[(int)SpriteAnimationCurveType.KeyframeIndex].curve.keys.Length; i < e; i++)
// tmpCurves[(int)SpriteAnimationCurveType.KeyframeIndex].curve.SmoothTangents(i, 1f);
//remove curves if values never change
tmpCurves.RemoveAll(delegate(SpriteAnimationCurve curve)
{
if (curve.type == SpriteAnimationCurveType.KeyframeIndex)
return false;
bool ret = true;
Keyframe fkf = curve.curve.keys[0];
curve.defaultValue = fkf.value;
bool isFkDef = fkf.value == GetDefaultValue(curve.type);
foreach (Keyframe kf in curve.curve.keys)
{
if (fkf.value != kf.value)
return false;
}
if (!isFkDef)
{
curve.length = 0;
return false;
}
return ret;
});
foreach (SpriteAnimationCurve curve in tmpCurves)
{
if (curve.type == SpriteAnimationCurveType.KeyframeIndex)
continue;
if (!curve.interpolation)
{
Keyframe[] kfs = curve.curve.keys;
curve.curve = new AnimationCurve();
for (int i = 0, e = kfs.Length; i < e; i++)
{
Keyframe kf = kfs[i];
kf.inTangent = float.PositiveInfinity;
kf.outTangent = float.NegativeInfinity;
curve.curve.AddKey(kf);
}
}
}
curves = tmpCurves.ToArray();
}
/// <summary>
/// Add a keyframe of component.
/// </summary>
public void AddKeyframe(SpriteAnimationKeyFrame kf)
{
float tick = 1f / clip.frameRate;
kf.time = kf.frameIndex * tick;
List<SpriteAnimationKeyFrame> tmp = new List<SpriteAnimationKeyFrame>(keyFrames);
tmp.Add(kf);
tmp.Sort(SpriteAnimationKeyFrameComparerByFrameIndex.comparer);
keyFrames = tmp.ToArray();
CalcCurve(kf);
}
