VS2015+OpenGL 配置

  1 // source: http://jingyan.baidu.com/article/d5c4b52bca5005da560dc5d6.html
  2 #include <GL/glut.h>
  3 #include <stdlib.h>
  4 #include <math.h>
  5 #include <stdio.h>
  6 
  7 static int year = 0, spin = 0, day = 0;
  8 static GLint fogMode;
  9 const int n = 100;
 10 const GLfloat R = 1.0f;
 11 const GLfloat Pi = 3.1415926536f;
 12 
 13 void DrawCircle() {
 14 
 15     int  i;
 16     glClear(GL_COLOR_BUFFER_BIT);
 17     glBegin(GL_LINE_LOOP);
 18 
 19     for (i = 0; i < n; ++i)
 20     {
 21         glColor3f(1.0, 0.0, 0.0);
 22         glVertex2f(R*cos(2 * Pi / n*i), R*sin(2 * Pi / n*i));
 23     }
 24 
 25     glEnd();
 26     glFlush();
 27 }
 28 
 29 void init(void) {
 30     GLfloat position[] = { 0.5, 0.5, 3.0, 0.0 };
 31     glEnable(GL_DEPTH_TEST);                          //防止遮挡
 32     glLightfv(GL_LIGHT0, GL_POSITION, position);
 33     glEnable(GL_LIGHTING);
 34     glEnable(GL_LIGHT0);
 35 
 36     {
 37         GLfloat mat[3] = { 0.1745, 0.01175, 0.01175 };
 38         glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
 39         mat[0] = 0.61424; mat[1] = 0.04136; mat[2] = 0.04136;
 40         glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
 41         mat[0] = 0.727811; mat[1] = 0.626959; mat[2] = 0.626959;
 42         glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
 43         glMaterialf(GL_FRONT, GL_SHININESS, 0.6*128.0);
 44     }
 45 
 46     glEnable(GL_FOG);
 47 
 48     {
 49         GLfloat fogColor[4] = { 0.5, 0.5, 0.5, 1.0 };
 50         fogMode = GL_EXP;
 51         glFogi(GL_FOG_MODE, fogMode);
 52         glFogfv(GL_FOG_COLOR, fogColor);
 53         glFogf(GL_FOG_DENSITY, 0.35);
 54         glHint(GL_FOG_HINT, GL_DONT_CARE);
 55         glFogf(GL_FOG_START, 1.0);
 56         glFogf(GL_FOG_END, 5.0);
 57     }
 58 
 59     glClearColor(0.5, 0.9, 0.9, 1.0);  /* fog color */
 60 
 61 }
 62 
 63 void display(void) {
 64     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 65     glColor3f(0.0, 1.0, 1.0);
 66     glPushMatrix(); //记住自己的位置
 67     glutSolidSphere(1.0, 20, 16);   /* 画太阳半径、 20经度、16纬度*/
 68     glRotatef(spin, 0.0, 1.0, 0.0);  //自转，绕着一个向量以给定角度旋转（正的为逆时针）
 69     glTranslatef(2.0, 1.0, 0.0);
 70     glRotatef(spin, 1.0, 0.0, 0.0); //公转
 71     glRectf(0.1, 0.1, 0.5, 0.5);
 72     glColor3f(0.0, 0.0, 1.0);
 73     glutWireSphere(0.2, 8, 8);    /* 画第一颗小行星 */
 74     glColor3f(1.0, 0.0, 0.0);
 75     glTranslatef(2.0, 1.0, 0.0);
 76     glRotatef(2 * spin, 0.0, 1.0, 0.0);
 77     glutSolidSphere(0.5, 16, 8);
 78     glPopMatrix();//回到原来的位置
 79     glutSwapBuffers();
 80 }
 81 
 82 void spinDisplay(void) {
 83     spin = spin + 2;
 84     if (spin > 360)
 85         spin = spin - 360;
 86     glutPostRedisplay();
 87 }
 88 
 89 void mouse(int button, int state, int x, int y) {
 90     switch (button)
 91     {
 92     case GLUT_LEFT_BUTTON:
 93         if (state == GLUT_DOWN)
 94             glutIdleFunc(spinDisplay);
 95         break;
 96 
 97     case GLUT_MIDDLE_BUTTON:
 98         if (state == GLUT_DOWN)
 99             glutIdleFunc(NULL);
100         break;
101 
102     default:
103         break;
104     }
105 
106 }
107 
108 void reshape(int w, int h) {
109     glViewport(0, 0, (GLsizei)w, (GLsizei)h);
110     glMatrixMode(GL_PROJECTION);
111     glLoadIdentity();
112     gluPerspective(60.0, (GLfloat)w / (GLfloat)h, 0.5, 20.0);
113     glMatrixMode(GL_MODELVIEW);
114     glLoadIdentity();
115     gluLookAt(0.0, 10.0, 10.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
116 }
117 
118 void keyboard(unsigned char key, int x, int y) {
119     switch (key) {
120     case ‘d‘:
121         day = (day + 10) % 360;
122         glutPostRedisplay();
123         break;
124     case ‘D‘:
125         day = (day - 10) % 360;
126         glutPostRedisplay();
127         break;
128     case ‘y‘:
129         year = (year + 5) % 360;
130         glutPostRedisplay();
131         break;
132     case ‘Y‘:
133         year = (year - 5) % 360;
134         glutPostRedisplay();
135         break;
136     case 27:
137         exit(0);
138         break;
139     default:
140         break;
141     }
142 }
143 
144 int main(int argc, char** argv) {
145     glutInit(&argc, argv);
146     glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
147     glutInitWindowSize(400, 400);
148     glutInitWindowPosition(100, 100);
149     glutCreateWindow("OpengGL 程序设计--这段代码是我抄的");
150     init();
151     //glutDisplayFunc(DrawCircle);
152     glutDisplayFunc(display);
153     glutReshapeFunc(reshape);
154     //glutKeyboardFunc(keyboard);
155     glutMouseFunc(mouse);
156     glutMainLoop();
157 
158     return 0;
159 }