comparison: src/gl/partrenderer.cpp
src/gl/partrenderer.cpp
- changeset 18
- 918b6c0f8b5b
- parent 17
- a5111f4e6412
- child 21
- 0133e565e072
equal
deleted
inserted
replaced
| 17:a5111f4e6412 | 18:918b6c0f8b5b |
|---|---|
| 17 } | 17 } |
| 18 this->initializeLighting(); | 18 this->initializeLighting(); |
| 19 this->initialized = true; | 19 this->initialized = true; |
| 20 this->rotation = QQuaternion::fromAxisAndAngle({1, 0, 0}, 30); | 20 this->rotation = QQuaternion::fromAxisAndAngle({1, 0, 0}, 30); |
| 21 this->rotation *= QQuaternion::fromAxisAndAngle({0, 1, 0}, 330); | 21 this->rotation *= QQuaternion::fromAxisAndAngle({0, 1, 0}, 330); |
| 22 } | |
| 23 | |
| 24 // https://stackoverflow.com/a/12943456 | |
| 25 static void perspectiveGL(GLdouble fovY, GLdouble aspect, GLdouble zNear, GLdouble zFar) | |
| 26 { | |
| 27 //fH = tan( (fovY / 2) / 180 * pi ) * zNear; | |
| 28 const GLdouble fH = std::tan(fovY / 360 * pi) * zNear; | |
| 29 const GLdouble fW = fH * aspect; | |
| 30 glFrustum(-fW, fW, -fH, fH, zNear, zFar); | |
| 31 } | 22 } |
| 32 | 23 |
| 33 /* | 24 /* |
| 34 * Pads a 3×3 matrix into a 4×4 one by adding cells from the identity matrix. | 25 * Pads a 3×3 matrix into a 4×4 one by adding cells from the identity matrix. |
| 35 */ | 26 */ |
| 61 } | 52 } |
| 62 | 53 |
| 63 void PartRenderer::resizeGL(int width, int height) | 54 void PartRenderer::resizeGL(int width, int height) |
| 64 { | 55 { |
| 65 constexpr GLfloat near = 1.0f; | 56 constexpr GLfloat near = 1.0f; |
| 66 constexpr GLfloat far = 1.0e+05f; | 57 constexpr GLfloat far = 1e+05f; |
| 67 glViewport (0, 0, width, height); | 58 glViewport (0, 0, width, height); |
| 68 glMatrixMode(GL_PROJECTION); | 59 glMatrixMode(GL_PROJECTION); |
| 69 glLoadIdentity(); | 60 glLoadIdentity(); |
| 70 ::perspectiveGL(45.0f, static_cast<double>(width) / static_cast<double>(height), near, far); | 61 gluPerspective(45.0f, static_cast<double>(width) / static_cast<double>(height), near, far); |
| 71 glMatrixMode(GL_MODELVIEW); | 62 glMatrixMode(GL_MODELVIEW); |
| 72 } | 63 } |
| 73 | 64 |
| 74 // https://www.codemiles.com/c-opengl-examples/drawing-teapot-using-opengl-t9010.html?mobile=on | 65 // https://www.codemiles.com/c-opengl-examples/drawing-teapot-using-opengl-t9010.html?mobile=on |
| 75 void PartRenderer::paintGL() | 66 void PartRenderer::paintGL() |
| 76 { | 67 { |
| 68 switch (this->renderStyle) | |
| 69 { | |
| 70 case gl::RenderStyle::Normal: | |
| 71 case gl::RenderStyle::BfcRedGreen: | |
| 72 case gl::RenderStyle::RandomColors: | |
| 73 break; | |
| 74 case gl::RenderStyle::Wireframe: | |
| 75 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); | |
| 76 break; | |
| 77 } | |
| 77 glMatrixMode(GL_MODELVIEW); | 78 glMatrixMode(GL_MODELVIEW); |
| 78 // clear the drawing buffer. | 79 // clear the drawing buffer. |
| 79 glClear(GL_COLOR_BUFFER_BIT); | 80 glClear(GL_COLOR_BUFFER_BIT); |
| 80 // clear the identity matrix. | 81 // clear the identity matrix. |
| 81 glLoadIdentity(); | 82 glLoadIdentity(); |
| 114 this->rotation = versor * this->rotation; | 115 this->rotation = versor * this->rotation; |
| 115 this->update(); | 116 this->update(); |
| 116 } | 117 } |
| 117 this->lastMousePosition = pointToPointF(event->pos()); | 118 this->lastMousePosition = pointToPointF(event->pos()); |
| 118 } | 119 } |
| 120 | |
| 121 void PartRenderer::setRenderStyle(const gl::RenderStyle newStyle) | |
| 122 { | |
| 123 this->renderStyle = newStyle; | |
| 124 this->update(); | |
| 125 } | |
| 126 |
