comparison: src/gl/partrenderer.cpp
src/gl/partrenderer.cpp
- changeset 37
- 90443fb328ea
- parent 35
- 98906a94732f
- child 39
- caac957e9834
equal
deleted
inserted
replaced
| 36:bbb901b97404 | 37:90443fb328ea |
|---|---|
| 101 void PartRenderer::renderScene() | 101 void PartRenderer::renderScene() |
| 102 { | 102 { |
| 103 glClearColor(0.8f, 0.8f, 0.8f, 1.0f); | 103 glClearColor(0.8f, 0.8f, 0.8f, 1.0f); |
| 104 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | 104 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| 105 glEnable(GL_DEPTH_TEST); | 105 glEnable(GL_DEPTH_TEST); |
| 106 glEnable(GL_LIGHTING); | |
| 107 glEnable(GL_POLYGON_OFFSET_FILL); | 106 glEnable(GL_POLYGON_OFFSET_FILL); |
| 108 glPolygonOffset(1.0f, 1.0f); | 107 glPolygonOffset(1.0f, 1.0f); |
| 109 switch (this->renderStyle) | 108 switch (this->renderStyle) |
| 110 { | 109 { |
| 111 case gl::RenderStyle::Normal: | 110 case gl::RenderStyle::Normal: |
| 111 this->setFragmentStyle(gl::FragmentStyle::Normal); | |
| 112 this->renderAllArrays(); | |
| 113 break; | |
| 112 case gl::RenderStyle::BfcRedGreen: | 114 case gl::RenderStyle::BfcRedGreen: |
| 115 glEnable(GL_CULL_FACE); | |
| 116 glCullFace(GL_BACK); | |
| 117 this->setFragmentStyle(gl::FragmentStyle::BfcGreen); | |
| 118 renderVao(gl::ArrayClass::Triangles); | |
| 119 renderVao(gl::ArrayClass::Quads); | |
| 120 glCullFace(GL_FRONT); | |
| 121 this->setFragmentStyle(gl::FragmentStyle::BfcRed); | |
| 122 renderVao(gl::ArrayClass::Triangles); | |
| 123 renderVao(gl::ArrayClass::Quads); | |
| 124 glDisable(GL_CULL_FACE); | |
| 125 this->setFragmentStyle(gl::FragmentStyle::Normal); | |
| 126 renderVao(gl::ArrayClass::Lines); | |
| 113 case gl::RenderStyle::RandomColors: | 127 case gl::RenderStyle::RandomColors: |
| 128 this->setFragmentStyle(gl::FragmentStyle::RandomColors); | |
| 129 this->renderAllArrays(); | |
| 114 break; | 130 break; |
| 115 case gl::RenderStyle::Wireframe: | 131 case gl::RenderStyle::Wireframe: |
| 116 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); | 132 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); |
| 133 this->setFragmentStyle(gl::FragmentStyle::Normal); | |
| 134 this->renderAllArrays(); | |
| 117 break; | 135 break; |
| 118 } | 136 } |
| 137 glDisable(GL_POLYGON_OFFSET_FILL); | |
| 138 } | |
| 139 | |
| 140 void PartRenderer::renderAllArrays() | |
| 141 { | |
| 119 // Lines need to be rendered last so that anti-aliasing does not interfere with polygon rendering. | 142 // Lines need to be rendered last so that anti-aliasing does not interfere with polygon rendering. |
| 120 renderVao(gl::ArrayClass::Triangles); | 143 renderVao(gl::ArrayClass::Triangles); |
| 121 renderVao(gl::ArrayClass::Quads); | 144 renderVao(gl::ArrayClass::Quads); |
| 122 renderVao(gl::ArrayClass::Lines); | 145 renderVao(gl::ArrayClass::Lines); |
| 123 glDisable(GL_POLYGON_OFFSET_FILL); | 146 } |
| 124 } | 147 |
| 125 | 148 |
| 126 void PartRenderer::updateViewMatrix() | 149 void PartRenderer::updateViewMatrix() |
| 127 { | 150 { |
| 128 // I'm not quite sure why using the exponent function on the zoom factor causes linear zoom behavior | 151 // I'm not quite sure why using the exponent function on the zoom factor causes linear zoom behavior |
| 129 const double z = 2 * std::exp(this->zoom) * (1 + this->compiler->modelDistance()); | 152 const double z = 2 * std::exp(this->zoom) * (1 + this->compiler->modelDistance()); |
| 186 this->zoom = std::clamp(this->zoom + move, MIN_ZOOM, MAX_ZOOM); | 209 this->zoom = std::clamp(this->zoom + move, MIN_ZOOM, MAX_ZOOM); |
| 187 this->updateViewMatrix(); | 210 this->updateViewMatrix(); |
| 188 this->update(); | 211 this->update(); |
| 189 } | 212 } |
| 190 | 213 |
| 214 /** | |
| 215 * @brief Changes the color of rendered fragments | |
| 216 * @param newFragmentStyle new fragment style to use | |
| 217 */ | |
| 218 void PartRenderer::setFragmentStyle(gl::FragmentStyle newFragmentStyle) | |
| 219 { | |
| 220 this->compiler->setUniform("fragmentStyle", static_cast<int>(newFragmentStyle)); | |
| 221 } | |
| 222 | |
| 223 /** | |
| 224 * @brief Changes the way the scene is rendered | |
| 225 * @param newStyle new render style to use | |
| 226 */ | |
| 191 void PartRenderer::setRenderStyle(const gl::RenderStyle newStyle) | 227 void PartRenderer::setRenderStyle(const gl::RenderStyle newStyle) |
| 192 { | 228 { |
| 193 this->renderStyle = newStyle; | 229 this->renderStyle = newStyle; |
| 194 this->update(); | 230 this->update(); |
| 195 } | 231 } |
