public static void Mirror(this Curve2 curve, float mirrorError, Curve2 origin = null)
{
var axis = 0.5f;//mirrorAxis
var append = new List <Key2>();
foreach (var k in curve)
{
if (Mathf.Abs(k.time - axis) < mirrorError)//points on mirror axis
{
if (origin != null)
{
var key = origin[curve.IndexOf(k)];
key.SetVector(new Vector2(axis, k.value));
//key.outMode = key.inMode;
//key.outMode = KeyMode.None;
}
k.SetVector(new Vector2(axis, k.value));
k.outTan = k.inTan.MirrorX(axis);
k.outMode = k.inMode;
}
else
{
var n = k.Clone();
ComTool.Swap(ref n.inTan, ref n.outTan);//先把切线翻转
n.inTan = n.inTan.MirrorX(n.time);
n.outTan = n.outTan.MirrorX(n.time);
n.SetVector(n.vector.MirrorX(axis)); // 然后SetVector一起拉过去
ComTool.Swap(ref n.inMode, ref n.outMode);
append.Add(n);
}
}
curve.keys.AddRange(append);
curve.Sort();
}
//public Vector3 normal;
//public Vector3 na, nb, nc, nd;
public static Quad ToReverse(Quad quad)
{
ComTool.Swap(ref quad.a, ref quad.d);
return(quad);
}
