| private static d2xy ( uint d, uint &x, uint &y ) : void | ||
| d | uint | Loop integer which will be decoded to X/Y |
| x | uint | Output X coordinate |
| y | uint | Output Y coordinate |
| return | void | |
private static void d2xy(uint d, out uint x, out uint y)
{
x = d;
y = (x >> 1);
x &= 0x55555555;
y &= 0x55555555;
x |= (x >> 1);
y |= (y >> 1);
x &= 0x33333333;
y &= 0x33333333;
x |= (x >> 2);
y |= (y >> 2);
x &= 0x0f0f0f0f;
y &= 0x0f0f0f0f;
x |= (x >> 4);
y |= (y >> 4);
x &= 0x00ff00ff;
y &= 0x00ff00ff;
x |= (x >> 8);
y |= (y >> 8);
x &= 0x0000ffff;
y &= 0x0000ffff;
}
