/// <summary> Retrieves the key at index. (Read Only) </summary>
/// <param name="index">Index of key</param>
/// <returns>Key</returns>
public Keyframe3D this[int index]
{
get
{
Keyframe3D key = new Keyframe3D();
key.Time = _CurveX[index].time;
key.Value = new Vector3(_CurveX[index].value, _CurveY[index].value, _CurveZ[index].value);
key.InTangent = new Vector3(_CurveX[index].inTangent, _CurveY[index].inTangent, _CurveZ[index].inTangent);
key.OutTangent = new Vector3(_CurveX[index].outTangent, _CurveY[index].outTangent, _CurveZ[index].outTangent);
return(key);
}
}
/// <summary>
/// Removes the keyframe at index and inserts key.
/// </summary>
/// <param name="index">Index of key</param>
/// <param name="key">Keyframe to insert</param>
/// <returns>Returns the index of the keyframe after moving it.</returns>
/// <remarks>
/// If a keyframe already exists at /key.time/ the time of the old keyframe's position /key[index].time/ will be used instead. This is the desired behaviour for dragging keyframes in a curve editor.
/// </remarks>
public int MoveKey(int index, Keyframe3D key)
{
_CurveX.MoveKey(index, new Keyframe()
{
time = key.Time, value = key.Value.x, inTangent = key.InTangent.x, outTangent = key.OutTangent.x
});
_CurveY.MoveKey(index, new Keyframe()
{
time = key.Time, value = key.Value.y, inTangent = key.InTangent.y, outTangent = key.OutTangent.y
});
return(_CurveZ.MoveKey(index, new Keyframe()
{
time = key.Time, value = key.Value.z, inTangent = key.InTangent.z, outTangent = key.OutTangent.z
}));
}
public static AnimationCurve3D Create(AnimationCurve xCurve, AnimationCurve yCurve, AnimationCurve zCurve)
{
Keyframe[] xKeys = xCurve.keys;
Keyframe[] yKeys = yCurve.keys;
Keyframe[] zKeys = zCurve.keys;
Keyframe3D[] keys = new Keyframe3D[xKeys.Length];
for (int i = 0; i < xKeys.Length; i++)
{
keys[i].Time = xKeys[i].time;
keys[i].Value = new Vector3(xKeys[i].value, yKeys[i].value, zKeys[i].value);
keys[i].InTangent = new Vector3(xKeys[i].inTangent, yKeys[i].inTangent, zKeys[i].inTangent);
keys[i].OutTangent = new Vector3(xKeys[i].outTangent, yKeys[i].outTangent, zKeys[i].outTangent);
}
return(new AnimationCurve3D(keys));
}
/// <summary> Retrieves a copy of all keys defined in the animation curve. (Read Only) </summary>
public Keyframe3D[] GetKeys()
{
Keyframe[] xKeys = _CurveX.keys;
Keyframe[] yKeys = _CurveY.keys;
Keyframe[] zKeys = _CurveZ.keys;
Keyframe3D[] keys = new Keyframe3D[Length];
for (int i = 0; i < Length; i++)
{
keys[i] = new Keyframe3D();
keys[i].Time = xKeys[i].time;
keys[i].Value = new Vector3(xKeys[i].value, yKeys[i].value, zKeys[i].value);
keys[i].InTangent = new Vector3(xKeys[i].inTangent, yKeys[i].inTangent, zKeys[i].inTangent);
keys[i].OutTangent = new Vector3(xKeys[i].outTangent, yKeys[i].outTangent, zKeys[i].outTangent);
}
return(keys);
}
public void AddKey(Keyframe3D key)
{
Keyframe keyframe = new Keyframe();
keyframe.time = key.Time;
keyframe.inTangent = key.InTangent.x;
keyframe.outTangent = key.OutTangent.x;
keyframe.value = key.Value.x;
_CurveX.AddKey(keyframe);
keyframe.inTangent = key.InTangent.y;
keyframe.outTangent = key.OutTangent.y;
keyframe.value = key.Value.y;
_CurveY.AddKey(keyframe);
keyframe.inTangent = key.InTangent.z;
keyframe.outTangent = key.OutTangent.z;
keyframe.value = key.Value.z;
_CurveZ.AddKey(keyframe);
}
