public static IEnumerable <vec2> Cell(aabb2i s, vec2 d)
{
for (int y = s.a.y; y < s.b.y; y++)
{
for (int x = s.a.x; x < s.b.x; x++)
{
yield return(d.Mul(x, y));
}
}
yield break;
}
public static IEnumerable <aabb2> Cell(vec2i s, vec2 d)
{
vec2 sp = -d.Mul(s).Div(2.0f).Sub(d.Div(2));
vec2 p = sp;
for (int y = 0; y < s.y; y++, p = p.Add(0, d.y).X(sp.x))
{
for (int x = 0; x < s.x; x++, p = p.Add(d.x, 0))
{
yield return(new aabb2(p - d / 2, p + d / 2));
}
}
yield break;
}