Mercurial > hg > Members > kono > Cerium
comparison Renderer/Engine/sys.cc @ 1048:40cde8c1a6cd default tip
add ScaleXY (not for allExecute...)
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 08 Dec 2010 06:22:15 +0900 |
| parents | 6a80ca9a65d9 |
| children |
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| 1047:6a80ca9a65d9 | 1048:40cde8c1a6cd |
|---|---|
| 265 for (int i = 0; i < 4; i++) { | 265 for (int i = 0; i < 4; i++) { |
| 266 v[i] = t[0]*m[i] + t[1]*m[i+4] + t[2]*m[i+8] + t[3]*m[i+12]; | 266 v[i] = t[0]*m[i] + t[1]*m[i+4] + t[2]*m[i+8] + t[3]*m[i+12]; |
| 267 } | 267 } |
| 268 } | 268 } |
| 269 | 269 |
| 270 void | |
| 271 ScaleMatrix(float *m, float v) | |
| 272 { | |
| 273 for(int i=0;i<16;i++) | |
| 274 m[i] *= v; | |
| 275 } | |
| 276 | |
| 277 void | |
| 278 ScaleMatrixXY(float *m, float x, float y) | |
| 279 { | |
| 280 for(int i=0;i<3;i++) { | |
| 281 m[i] *= x; | |
| 282 m[i+4] *= y; | |
| 283 } | |
| 284 } | |
| 285 |