main.cpp

   1
   2 #include <iostream>
   3 #include <GL/gl.h>
   4 #include <GL/glu.h>
   5 #include <GL/glut.h>
   6
   7 #define VERSION 20080804
   8
   9 static float angleX, angleY, cubeAngle;
  10 static int mouseX, mouseY;
  11 static bool rotate;
  12
  13 void init()
  14 {
  15     glClearColor (0.0, 0.0, 0.0, 0.0);
  16
  17         glEnable(GL_DEPTH_TEST);
  18
  19         // Setup lighting
  20         glEnable(GL_LIGHTING);
  21         glEnable(GL_LIGHT0);
  22
  23         // Setup shading
  24     glShadeModel (GL_SMOOTH);
  25 }
  26
  27 void lighting()
  28 {
  29         GLfloat position[] = { 2.0, 3.0, -1.0, 1.0 };
  30         GLfloat lightColor[] = { 1.0, 1.0, 1.0 };
  31         GLfloat ambientColor[] = { 1.0, 1.0, 1.0 };
  32         glLightfv(GL_LIGHT0, GL_POSITION, position);
  33         glLightfv(GL_LIGHT0, GL_SPECULAR, lightColor);
  34         glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
  35         glLightfv(GL_LIGHT0, GL_AMBIENT, lightColor);
  36
  37
  38 }
  39
  40 void display()
  41 {
  42     glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  43
  44
  45     glColor4f(0.0, 1.0, 0.0, 1.0);
  46     glLoadIdentity();
  47     gluLookAt (0.0, 2.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
  48
  49         lighting();
  50
  51         glPushMatrix();
  52     glRotatef(angleX, 0.0, 1.0, 0.0);
  53     glRotatef(angleY, 1.0, 0.0, 0.0);
  54         glFrontFace(GL_CW);
  55     glutSolidTeapot (1.0);
  56         glFrontFace(GL_CCW);
  57         glPopMatrix();
  58
  59         glPushMatrix();
  60         glTranslatef(0.0, 2.0, 0.0);
  61     glRotatef(cubeAngle, 0.0, 1.0, 0.0);
  62         glRotatef(30, 1.0, 0, 0);
  63         glColor3f(0.0, 0.0, 1.0);
  64         glutSolidCube(0.5);
  65         glPopMatrix();
  66
  67         glutSwapBuffers();
  68 }
  69
  70
  71 void reshape (int w, int h)
  72 {
  73     glViewport (0, 0, (GLsizei) w, (GLsizei) h);
  74     glMatrixMode (GL_PROJECTION);
  75     glLoadIdentity();
  76     gluPerspective(60.0, (float)w/h, 1.0, 20.0);
  77     glMatrixMode (GL_MODELVIEW);
  78 }
  79
  80 void mouse (int button, int state, int x, int y)
  81 {
  82     if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
  83     {
  84                 rotate = true;
  85         }
  86         if (button == GLUT_LEFT_BUTTON && state == GLUT_UP)
  87         {
  88                 rotate = false;
  89         }
  90     mouseX = x;
  91         mouseY = y;
  92 }
  93
  94 void mousePos(int x, int y)
  95 {
  96         if (rotate)
  97         {
  98                 angleX += 1 * (x - mouseX);
  99                 angleY += 1 * (y - mouseY);
 100                 glutPostRedisplay();
 101         }
 102     mouseX = x;
 103         mouseY = y;
 104 }
 105
 106 void update(int value)
 107 {
 108         cubeAngle++;
 109         if (cubeAngle > 360) cubeAngle -= 360;
 110         glutPostRedisplay();
 111         glutTimerFunc(20, update, 1);
 112 }
 113
 114
 115 int main(int argc, char** argv)
 116 {
 117     std::cout << "Spatial Auditory Memory Experiment" << std::endl;
 118
 119     glutInit(&argc, argv);
 120     glutInitDisplayMode (GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
 121     glutInitWindowSize (500, 500);
 122     glutInitWindowPosition (100, 100);
 123     glutCreateWindow ("Spatial Auditory Memory Experiment");
 124     init();
 125     glutDisplayFunc (display);
 126     glutReshapeFunc (reshape);
 127         glutTimerFunc(1, update, 1);
 128
 129     glutMouseFunc(mouse);
 130         glutMotionFunc(mousePos);
 131
 132     glutMainLoop();
 133     return 0;
 134 }