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| 1 | static void Circle2DGI( float x, float y, out float distance, out float angle ) {
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| 2 | - | float inverseDistance; |
| 2 | + | |
| 3 | y *= 1.0f / distance; | |
| 4 | - | inverseDistance = 1.0f / distance; |
| 4 | + | |
| 5 | - | x *= inverseDistance; |
| 5 | + | angle = ( float )Math.Acos( y ) * 180.0f / ( float )Math.PI; |
| 6 | - | y *= inverseDistance; |
| 6 | + | |
| 7 | angle = 180.0f + ( float )Math.Acos( -y ) * 180.0f / ( float )Math.PI; | |
| 8 | - | angle = ( float )Math.Acos( y ) * 180.0f / ( float )Math.PI |
| 8 | + | |
| 9 | } |
