Vector2 RotateArrayVector2(Vector2 pos, Vector2 array_size, float angle)
{
//array_size-=Vector2.one;
var m = Matrix4x4.TRS(Vector3.zero, Quaternion.AngleAxis(angle, Vector3.forward), Vector3.one);
var v = m.MultiplyVector(new Vector3(pos.x, pos.y));
int xx = Mathf.RoundToInt(v.x), ax = Mathf.RoundToInt(array_size.x);
int yy = Mathf.RoundToInt(v.y), ay = Mathf.RoundToInt(array_size.y);
if (angle == 90 || angle == 180)
{
xx--;
}
if (angle == 180 || angle == 270)
{
yy--;
}
int x = Subs.Wrap(xx, 0, ax);
int y = Subs.Wrap(yy, 0, ay);
return(new Vector2(x, y));
}
void addY(int a)
{
s_y = Subs.Wrap(s_y + a, 0, Grid.GetLength(1));
}
void addX(int a)
{
s_x = Subs.Wrap(s_x + a, 0, Grid.GetLength(0));
}