comparison: src/glRenderer.cpp
src/glRenderer.cpp
- changeset 1096
- 7cc929d8fc4d
- parent 1095
- cb58a160bed3
- child 1097
- 9a9e6ce0c5dc
equal
deleted
inserted
replaced
| 1095:cb58a160bed3 | 1096:7cc929d8fc4d |
|---|---|
| 550 position3d.setCoordinate(static_cast<Axis>(3 - axisX - axisY), getDepthValue()); | 550 position3d.setCoordinate(static_cast<Axis>(3 - axisX - axisY), getDepthValue()); |
| 551 return position3d; | 551 return position3d; |
| 552 } | 552 } |
| 553 } | 553 } |
| 554 | 554 |
| 555 // ============================================================================= | 555 /* |
| 556 // | 556 * Inverse operation for the above - convert a 3D position to a 2D screen position. |
| 557 // Inverse operation for the above - convert a 3D position to a 2D screen position. Don't ask me how this code manages | 557 */ |
| 558 // to work, I don't even know. | 558 QPoint GLRenderer::convert3dTo2d(const Vertex& position3d) const |
| 559 // | |
| 560 QPoint GLRenderer::convert3dTo2d(const Vertex& position3d) | |
| 561 { | 559 { |
| 562 if (camera() == FreeCamera) | 560 if (camera() == FreeCamera) |
| 563 { | 561 { |
| 564 return {0, 0}; | 562 return {0, 0}; |
| 565 } | 563 } |
| 568 const CameraInfo* camera = &g_cameraInfo[this->camera()]; | 566 const CameraInfo* camera = &g_cameraInfo[this->camera()]; |
| 569 Axis axisX = camera->localX; | 567 Axis axisX = camera->localX; |
| 570 Axis axisY = camera->localY; | 568 Axis axisY = camera->localY; |
| 571 int signX = camera->negatedX ? -1 : 1; | 569 int signX = camera->negatedX ? -1 : 1; |
| 572 int signY = camera->negatedY ? -1 : 1; | 570 int signY = camera->negatedY ? -1 : 1; |
| 573 GLfloat matrix[16]; | 571 int rx = (((position3d[axisX] * signX) + m_virtualWidth + panning(X)) * m_width) / (2 * m_virtualWidth); |
| 574 double x = position3d.x(); | 572 int ry = (((position3d[axisY] * signY) - m_virtualHeight + panning(Y)) * m_height) / (2 * m_virtualHeight); |
| 575 double y = position3d.y(); | |
| 576 double z = position3d.z(); | |
| 577 glGetFloatv (GL_MODELVIEW_MATRIX, matrix); | |
| 578 Vertex transformed = {(matrix[0] * x) + (matrix[1] * y) + (matrix[2] * z) + matrix[3], | |
| 579 (matrix[4] * x) + (matrix[5] * y) + (matrix[6] * z) + matrix[7], | |
| 580 (matrix[8] * x) + (matrix[9] * y) + (matrix[10] * z) + matrix[11]}; | |
| 581 int rx = (((transformed[axisX] * signX) + m_virtualWidth + panning (X)) * m_width) / (2 * m_virtualWidth); | |
| 582 int ry = (((transformed[axisY] * signY) - m_virtualHeight + panning (Y)) * m_height) / (2 * m_virtualHeight); | |
| 583 return {rx, -ry}; | 573 return {rx, -ry}; |
| 584 } | 574 } |
| 585 } | 575 } |
| 586 | 576 |
| 587 QPen GLRenderer::textPen() const | 577 QPen GLRenderer::textPen() const |
