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| |
| #ifndef ROTATION_TRANSLATION_SCALE_GLSLLIB |
| #define ROTATION_TRANSLATION_SCALE_GLSLLIB |
| |
| mat4 rotationTranslationScale( in vec3 rotation, in vec3 translation, in vec3 scaling ) |
| { |
| mat4 st = mat4( scaling.x, 0.0, 0.0, 0.0 |
| , 0.0, scaling.y, 0.0, 0.0 |
| , 0.0, 0.0, scaling.z, 0.0 |
| , translation.x - 0.5, translation.y - 0.5, translation.z - 0.5, 1.0 ); |
| vec3 s = sin( rotation ); |
| vec3 c = cos( rotation ); |
| mat4 r = mat4( c.y * c.z, -c.x * s.z + s.x * s.y * c.z, s.x * s.z + c.x * s.y * c.z, 0.0 |
| , c.y * s.z, c.x * c.z + s.x * s.y * s.z, -s.x * c.z + c.x * s.y * s.z, 0.0 |
| , -s.y , s.x * c.y , c.x * c.y , 0.0 |
| , 0.5 , 0.5 , 0.5 , 1.0 ); |
| return( st * r ); |
| } |
| |
| |
| #endif |