erebus
annotate liberebus/src/color.h @ 44:a2afaf8af09b
helpful comment
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 18 Sep 2015 06:47:41 +0300 |
| parents | 474a0244f57d |
| children | bab25c0ce337 |
| rev | line source |
|---|---|
| nuclear@2 | 1 #ifndef COLOR_H_ |
| nuclear@2 | 2 #define COLOR_H_ |
| nuclear@2 | 3 |
| nuclear@2 | 4 #include "vmath/vector.h" |
| nuclear@2 | 5 |
| nuclear@5 | 6 typedef Vector4 Color; |
| nuclear@2 | 7 |
| nuclear@2 | 8 inline float color_luminance(const Color &c) { return c[0] * 0.2126 + c[1] * 0.7152 + c[2] * 0.0722; } |
| nuclear@2 | 9 |
| nuclear@2 | 10 #endif // COLOR_H_ |