/// <summary>Sets the bones and constraints to their setup pose values.</summary>
public void SetBonesToSetupPose()
{
ExposedList <Bone> bones = this.bones;
for (int i = 0, n = bones.Count; i < n; i++)
{
bones.Items[i].SetToSetupPose();
}
ExposedList <IkConstraint> ikConstraints = this.ikConstraints;
for (int i = 0, n = ikConstraints.Count; i < n; i++)
{
IkConstraint constraint = ikConstraints.Items[i];
constraint.bendDirection = constraint.data.bendDirection;
constraint.mix = constraint.data.mix;
}
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint constraint = transformConstraints.Items[i];
TransformConstraintData data = constraint.data;
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
constraint.scaleMix = data.scaleMix;
constraint.shearMix = data.shearMix;
}
}
/** @return May be null. */
public TransformConstraint FindTransformConstraint(String constraintName)
{
if (constraintName == null)
{
throw new ArgumentNullException("constraintName cannot be null.");
}
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint transformConstraint = transformConstraints.Items[i];
if (transformConstraint.data.name == constraintName)
{
return(transformConstraint);
}
}
return(null);
}
/// <summary>Caches information about bones and constraints. Must be called if bones or constraints are added
/// or removed.</summary>
public void UpdateCache()
{
ExposedList <Bone> bones = this.bones;
ExposedList <IUpdatable> updateCache = this.updateCache;
ExposedList <IkConstraint> ikConstraints = this.ikConstraints;
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
int ikConstraintsCount = ikConstraints.Count;
int transformConstraintsCount = transformConstraints.Count;
updateCache.Clear();
for (int i = 0, n = bones.Count; i < n; i++)
{
Bone bone = bones.Items[i];
updateCache.Add(bone);
for (int ii = 0; ii < ikConstraintsCount; ii++)
{
IkConstraint ikConstraint = ikConstraints.Items[ii];
if (bone == ikConstraint.bones.Items[ikConstraint.bones.Count - 1])
{
updateCache.Add(ikConstraint);
break;
}
}
}
for (int i = 0; i < transformConstraintsCount; i++)
{
TransformConstraint transformConstraint = transformConstraints.Items[i];
for (int ii = updateCache.Count - 1; i >= 0; ii--)
{
if (updateCache.Items[ii] == transformConstraint.bone)
{
updateCache.Insert(ii + 1, transformConstraint);
break;
}
}
}
}
override public void Apply(Skeleton skeleton, float lastTime, float time, ExposedList <Event> firedEvents, float alpha)
{
float[] frames = this.frames;
if (time < frames[0])
{
return; // Time is before first frame.
}
TransformConstraint constraint = skeleton.transformConstraints.Items[transformConstraintIndex];
if (time >= frames[frames.Length - 5]) // Time is after last frame.
{
int i = frames.Length - 1;
constraint.rotateMix += (frames[i - 3] - constraint.rotateMix) * alpha;
constraint.translateMix += (frames[i - 2] - constraint.translateMix) * alpha;
constraint.scaleMix += (frames[i - 1] - constraint.scaleMix) * alpha;
constraint.shearMix += (frames[i] - constraint.shearMix) * alpha;
return;
}
// Interpolate between the previous frame and the current frame.
int frame = Animation.binarySearch(frames, time, 5);
float frameTime = frames[frame];
float percent = 1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime);
percent = GetCurvePercent(frame / 5 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
float rotate = frames[frame + PREV_ROTATE_MIX];
float translate = frames[frame + PREV_TRANSLATE_MIX];
float scale = frames[frame + PREV_SCALE_MIX];
float shear = frames[frame + PREV_SHEAR_MIX];
constraint.rotateMix += (rotate + (frames[frame + ROTATE_MIX] - rotate) * percent - constraint.rotateMix) * alpha;
constraint.translateMix += (translate + (frames[frame + TRANSLATE_MIX] - translate) * percent - constraint.translateMix) * alpha;
constraint.scaleMix += (scale + (frames[frame + SCALE_MIX] - scale) * percent - constraint.scaleMix) * alpha;
constraint.shearMix += (shear + (frames[frame + SHEAR_MIX] - shear) * percent - constraint.shearMix) * alpha;
}