comparison: src/glcamera.cpp
src/glcamera.cpp
- changeset 1134
- daa9808d626e
- parent 1130
- 17f92eb2a30c
- child 1140
- c5791a3aa1ba
equal
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inserted
replaced
| 1133:47f6db5ea24d | 1134:daa9808d626e |
|---|---|
| 240 */ | 240 */ |
| 241 const QString& GLCamera::name() const | 241 const QString& GLCamera::name() const |
| 242 { | 242 { |
| 243 return m_name; | 243 return m_name; |
| 244 } | 244 } |
| 245 | |
| 246 /* | |
| 247 * Returns the camera's transformation matrix, scaled by the given scale value. | |
| 248 */ | |
| 249 Matrix GLCamera::transformationMatrix(double scale) const | |
| 250 { | |
| 251 // Matrix templates. 2 is substituted with the scale value, 1 is inverted to -1 if needed. | |
| 252 static const Matrix templates[3] = | |
| 253 { | |
| 254 { 2, 0, 0, 0, 1, 0, 0, 0, 2 }, | |
| 255 { 2, 0, 0, 0, 0, 2, 0, 1, 0 }, | |
| 256 { 0, 1, 0, 2, 0, 0, 0, 0, 2 }, | |
| 257 }; | |
| 258 | |
| 259 Matrix transform; | |
| 260 | |
| 261 if (m_localX == X and m_localY == Z) | |
| 262 transform = templates[0]; | |
| 263 else if (m_localX == X and m_localY == Y) | |
| 264 transform = templates[1]; | |
| 265 if (m_localX == Y and m_localY == Z) | |
| 266 transform = templates[2]; | |
| 267 | |
| 268 for (double& value : transform) | |
| 269 { | |
| 270 if (value == 2) | |
| 271 value = scale; | |
| 272 else if (value == 1 and (glRotate(X) + glRotate(Y) + glRotate(Z)) < 0) | |
| 273 value = -1; | |
| 274 } | |
| 275 | |
| 276 return transform; | |
| 277 } |
