comparison: draw.cpp
draw.cpp
- changeset 0
- c51cce84a9ac
- child 9
- 2467f92d3473
equal
deleted
inserted
replaced
| -1:000000000000 | 0:c51cce84a9ac |
|---|---|
| 1 #include <QtGui> | |
| 2 #include <QGLWidget> | |
| 3 #include "common.h" | |
| 4 #include "io.h" | |
| 5 #include "draw.h" | |
| 6 #include "bbox.h" | |
| 7 | |
| 8 renderer::renderer (QWidget* parent) { | |
| 9 parent = parent; // shhh, GCC | |
| 10 fRotX = fRotY = fRotZ = 0.0; | |
| 11 fZoom = 1.0; | |
| 12 } | |
| 13 | |
| 14 void renderer::initializeGL () { | |
| 15 glLoadIdentity(); | |
| 16 glMatrixMode (GL_MODELVIEW); | |
| 17 glClearColor (0.8f, 0.8f, 0.85f, 1.0f); | |
| 18 glEnable (GL_DEPTH_TEST); | |
| 19 glShadeModel (GL_SMOOTH); | |
| 20 glEnable (GL_MULTISAMPLE); | |
| 21 | |
| 22 CompileObjects (); | |
| 23 } | |
| 24 | |
| 25 void renderer::hardRefresh () { | |
| 26 CompileObjects (); | |
| 27 paintGL (); | |
| 28 } | |
| 29 | |
| 30 void renderer::resizeGL (int w, int h) { | |
| 31 glViewport (0, 0, w, h); | |
| 32 } | |
| 33 | |
| 34 void renderer::paintGL () { | |
| 35 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 36 | |
| 37 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 38 glPushMatrix (); | |
| 39 glTranslatef ( | |
| 40 (g_BBox.v0.x + g_BBox.v1.x) / -2.0, | |
| 41 (g_BBox.v0.y + g_BBox.v1.y) / -2.0, | |
| 42 (g_BBox.v0.z + g_BBox.v1.z) / -2.0 | |
| 43 ); | |
| 44 | |
| 45 // glTranslatef (0.0f, 0.0f, -5.0f); | |
| 46 glTranslatef (0.0f, 0.0f, fZoom); | |
| 47 | |
| 48 // glScalef (0.75f, 1.15f, 0.0f); | |
| 49 glRotatef (fRotX, 1.0f, 0.0f, 0.0f); | |
| 50 glRotatef (fRotY, 0.0f, 1.0f, 0.0f); | |
| 51 glRotatef (fRotZ, 0.0f, 0.0f, 1.0f); | |
| 52 | |
| 53 glMatrixMode (GL_MODELVIEW); | |
| 54 | |
| 55 glCallList (objlist); | |
| 56 glColor3f (0.0, 0.5, 1.0); | |
| 57 glPopMatrix (); | |
| 58 } | |
| 59 | |
| 60 void renderer::CompileObjects () { | |
| 61 printf ("compile all objects\n"); | |
| 62 | |
| 63 objlist = glGenLists (1); | |
| 64 glNewList (objlist, GL_COMPILE); | |
| 65 | |
| 66 if (!g_CurrentFile) { | |
| 67 printf ("renderer: no files loaded, cannot compile anything\n"); | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 for (ulong i = 0; i < g_CurrentFile->objects.size(); i++) | |
| 72 CompileOneObject (g_CurrentFile->objects[i]); | |
| 73 | |
| 74 glEndList (); | |
| 75 } | |
| 76 | |
| 77 #define GL_VERTEX(V) \ | |
| 78 glVertex3d (V.x, V.y, V.z); | |
| 79 | |
| 80 void renderer::CompileOneObject (LDObject* obj) { | |
| 81 if (!obj) | |
| 82 return; | |
| 83 | |
| 84 switch (obj->getType ()) { | |
| 85 case OBJ_CondLine: // For now, treat condlines like normal lines. | |
| 86 case OBJ_Line: | |
| 87 { | |
| 88 glColor3f (0.0f, 0.0f, 0.0f); // Draw all lines black for now | |
| 89 // draw lines | |
| 90 LDLine* line = static_cast<LDLine*> (obj); | |
| 91 glBegin (GL_LINES); | |
| 92 for (short i = 0; i < 2; ++i) | |
| 93 GL_VERTEX (line->vaCoords[i]) | |
| 94 glEnd (); | |
| 95 } | |
| 96 break; | |
| 97 | |
| 98 case OBJ_Triangle: | |
| 99 { | |
| 100 LDTriangle* tri = static_cast<LDTriangle*> (obj); | |
| 101 glColor3f (0.5f, 0.5f, 0.5f); // Draw all polygons gray for now | |
| 102 glBegin (GL_TRIANGLES); | |
| 103 for (short i = 0; i < 3; ++i) | |
| 104 GL_VERTEX (tri->vaCoords[i]) | |
| 105 glEnd (); | |
| 106 } | |
| 107 break; | |
| 108 | |
| 109 case OBJ_Quad: | |
| 110 { | |
| 111 LDQuad* quad = static_cast<LDQuad*> (obj); | |
| 112 glColor3f (0.5f, 0.5f, 0.5f); | |
| 113 glBegin (GL_QUADS); | |
| 114 for (short i = 0; i < 4; ++i) | |
| 115 GL_VERTEX (quad->vaCoords[i]) | |
| 116 glEnd (); | |
| 117 } | |
| 118 break; | |
| 119 | |
| 120 default: | |
| 121 break; | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 void renderer::ClampAngle (double& fAngle) { | |
| 126 while (fAngle < 0) | |
| 127 fAngle += 360.0; | |
| 128 while (fAngle > 360.0) | |
| 129 fAngle -= 360.0; | |
| 130 } | |
| 131 | |
| 132 void renderer::mouseMoveEvent (QMouseEvent *event) { | |
| 133 int dx = event->x () - lastPos.x (); | |
| 134 int dy = event->y () - lastPos.y (); | |
| 135 | |
| 136 if (event->buttons () & Qt::LeftButton) { | |
| 137 fRotX = fRotX + (dy); | |
| 138 fRotY = fRotY + (dx); | |
| 139 ClampAngle (fRotX); | |
| 140 ClampAngle (fRotY); | |
| 141 } | |
| 142 | |
| 143 if (event->buttons () & Qt::RightButton) { | |
| 144 fRotX = fRotX + (dy); | |
| 145 fRotZ = fRotZ + (dx); | |
| 146 ClampAngle (fRotX); | |
| 147 ClampAngle (fRotZ); | |
| 148 } | |
| 149 | |
| 150 if (event->buttons () & Qt::MidButton) { | |
| 151 fZoom += (dy / 100.0); | |
| 152 fZoom = clamp (fZoom, 0.1, 10.0); | |
| 153 } | |
| 154 | |
| 155 printf ("%.3f %.3f %.3f %.3f\n", | |
| 156 fRotX, fRotY, fRotZ, fZoom); | |
| 157 lastPos = event->pos(); | |
| 158 updateGL (); | |
| 159 } |
