public static bool EqualToTransform(CGAffineTransform t1,CGAffineTransform t2){
return FloatUtils.EQ(t1.a, t2.a) &&
FloatUtils.EQ(t1.b, t2.b) &&
FloatUtils.EQ(t1.c, t2.c) &&
FloatUtils.EQ(t1.d, t2.d) &&
FloatUtils.EQ(t1.tx, t2.tx) &&
FloatUtils.EQ(t1.ty, t2.ty);
}
public static Vector2 CGPointApplyAffineTransform(Vector2 point, CGAffineTransform xform){