计算机图形学Opengl——爱心痣

 #include <iostream>

    
  
    
 #include"glut.h"
    
  
    
  
    
  
    
 void display()
    
  
    
 {
    
  
    
  
    
  
    
 glClearColor(1, 1, 0.9, 0.3);
    
  
    
 glClear(GL_COLOR_BUFFER_BIT);
    
  
    
  
    
  
    
  
    
  
    
 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
    
  
    
 glBegin(GL_POLYGON);
    
  
    
  
    
  
    
     glColor3ub(0, 191, 255);
    
  
    
 glVertex2f(10, 40);
    
  
    
 glVertex2f(15, 65);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(250, 20, 147);
    
  
    
 glVertex2f(15, 65);
    
  
    
 glVertex2f(38, 67);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(250, 20, 147);
    
  
    
 glVertex2f(10, 40);
    
  
    
 glVertex2f(30, 30);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(255, 182, 193);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glVertex2f(50, 60);
    
  
    
 glVertex2f(38, 67);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(219, 112, 147);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glVertex2f(50, 60);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(218, 112, 214);
    
  
    
 glVertex2f(30, 50);
    
  
    
 glVertex2f(30, 30);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(255, 105, 180);
    
  
    
 glVertex2f(50, 20);
    
  
    
 glVertex2f(30, 30);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
 //1
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(255, 230, 245);
    
  
    
 glVertex2f(50, 20);
    
  
    
 glVertex2f(70, 30);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
 //2
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(218, 112, 214);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(70, 30);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
 //3
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(100, 205, 236);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(50, 60);
    
  
    
 glVertex2f(50, 35);
    
  
    
 glEnd();
    
  
    
 //4
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(255, 182, 193);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(50, 60);
    
  
    
 glVertex2f(55, 67);
    
  
    
 glEnd();
    
  
    
 //5
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(250, 20, 147);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(80, 67);
    
  
    
 glVertex2f(55, 67);
    
  
    
 glEnd();
    
  
    
 //6
    
  
    
  
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(30, 144, 255);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(80, 67);
    
  
    
 glVertex2f(88, 45);
    
  
    
 glEnd();
    
  
    
 //7
    
  
    
 glBegin(GL_POLYGON);
    
  
    
 glColor3ub(186, 85, 211);
    
  
    
 glVertex2f(70, 30);
    
  
    
 glVertex2f(70, 50);
    
  
    
 glVertex2f(88, 45);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glPointSize(10);
    
  
    
 glBegin(GL_POINTS);
    
  
    
 glColor3ub(255, 165, 0);
    
  
    
 glVertex2f(75, 20);
    
  
    
 glEnd();
    
  
    
  
    
  
    
 glFlush();//显示刷新
    
  
    
 }
    
  
    
 void init()
    
  
    
 {
    
  
    
 glMatrixMode(GL_PROJECTION);
    
  
    
 glLoadIdentity();
    
  
    
 glOrtho(0, 100, 0, 100, -1, 1);
    
  
    
 }
    
  
    
 void main()
    
  
    
 {
    
  
    
 glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);//设置初始化的显示模式single单缓冲模式
    
  
    
 glutInitWindowSize(500, 500);//窗口大小
    
  
    
 glutInitWindowPosition(100, 200);//窗口位置
    
  
    
 glutCreateWindow("hello");//创建窗口
    
  
    
 init();
    
  
    
 glutDisplayFunc(display);//显示的回调，函数指针
    
  
    
 glutMainLoop();//刷新效果显示,图形从显存放到内存
    
  
    
 system("pause");
    
  
    
 }