16 void reshape(int x, int y);
17 void keyb(unsigned char key, int x, int y);
18 void mouse(int bn, int st, int x, int y);
19 void motion(int x, int y);
21 static float cam_dist = 2;
22 static float cam_theta, cam_phi;
23 static int prev_mx, prev_my;
24 static bool bnstate[8];
26 static Gear *test_gear;
28 int main(int argc, char **argv)
30 glutInit(&argc, argv);
31 glutInitWindowSize(1024, 768);
32 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
33 glutCreateWindow("Antikythera");
35 glutDisplayFunc(display);
36 glutReshapeFunc(reshape);
37 glutKeyboardFunc(keyb);
39 glutMotionFunc(motion);
54 glEnable(GL_DEPTH_TEST);
55 glEnable(GL_CULL_FACE);
56 glEnable(GL_LIGHTING);
58 glEnable(GL_NORMALIZE);
60 Mesh::use_custom_sdr_attr = false;
63 test_gear->gen_mesh();
75 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
77 glMatrixMode(GL_MODELVIEW);
79 glTranslatef(0, 0, -cam_dist);
80 glRotatef(cam_phi, 1, 0, 0);
81 glRotatef(cam_theta, 0, 1, 0);
86 assert(glGetError() == GL_NO_ERROR);
91 /* world scale is in meters, gears are in millimeters, sclae by 1/1000 */
93 glScalef(0.001, 0.001, 0.001);
100 void reshape(int x, int y)
102 glViewport(0, 0, x, y);
104 glMatrixMode(GL_PROJECTION);
106 gluPerspective(50.0, (float)x / (float)y, 0.05, 100.0);
109 void keyb(unsigned char key, int x, int y)
117 void mouse(int bn, int st, int x, int y)
121 bnstate[bn - GLUT_LEFT_BUTTON] = st == GLUT_DOWN;
124 void motion(int x, int y)
126 int dx = x - prev_mx;
127 int dy = y - prev_my;
131 if(!dx && !dy) return;
134 cam_theta += dx * 0.5;
137 if(cam_phi < -90) cam_phi = -90;
138 if(cam_phi > 90) cam_phi = 90;
142 cam_dist += dy * 0.05;
143 if(cam_dist < 0.0) cam_dist = 0.0;