| 226 | } |
| 227 | |
| 228 | float TriFloatRandomGauss( float mu, float deviation ) |
| 229 | { |
| 230 | // box-muller |
| 231 | float rand1 = TriFloatRandom01(); |
| 232 | if( rand1 < 1e-100 ) |
| 233 | { |
| 234 | rand1 = 1e-100; |
| 235 | } |
| 236 | rand1 = -2.f * log( rand1 ); |
| 237 | float rand2 = TriFloatRandom01() * TRI_2PI; |
| 238 | return mu + deviation * pow( rand1, 0.75f ) * cos( rand2 ); |
| 239 | } |
| 240 | |
| 241 | ///////////////////////////////////////////////////////////////////////////////////////// |
| 242 | // Color extensions |
no test coverage detected