我的程式码
#include <GL/glut.h>#include <stdio.h>
#include <math.h>
void display()
{
glClearColor((0/255.0),(160/255.0),(210/255.0),0.1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBegin(GL_POLYGON);
glColor3f(1.0,1.0,1.0);
glVertex2f((60-150)/150.0, - (105-150)/150.0);
glVertex2f((60-150)/150.0, - (215-150)/150.0);
glVertex2f((150-150)/150.0, - (260-150)/150.0);
glVertex2f((240-150)/150.0, - (215-150)/150.0);
glVertex2f((240-150)/150.0, - (105-150)/150.0);
glVertex2f((150-150)/150.0, - (60-150)/150.0);
glEnd();
glBegin(GL_POLYGON);
glColor3f(1.0,1.0,1.0);
glVertex2f((150-150)/150.0, - (33-150)/150.0);
glVertex2f((60-150)/150.0, - (105-150)/150.0);
glVertex2f((150-150)/150.0, - (60-150)/150.0);
glEnd();
glBegin(GL_POLYGON);
glColor3d((0/255.0),(160/255.0),(210/255.0));
glVertex2f((100-150)/150.0, - (113-150)/150.0);
glVertex2f((125-150)/150.0, - (113-150)/150.0);
glVertex2f((125-150)/150.0, - (213-150)/150.0);
glVertex2f((100-150)/150.0, - (213-150)/150.0);
glEnd();
glBegin(GL_POLYGON);
glColor3d((0/255.0),(160/255.0),(210/255.0));
glVertex2f((175-150)/150.0, - (113-150)/150.0);
glVertex2f((125-150)/150.0, - (163-150)/150.0);
glVertex2f((160-150)/150.0, - (163-150)/150.0);
glVertex2f((210-150)/150.0, - (113-150)/150.0);
glEnd();
glBegin(GL_POLYGON);
glColor3d((0/255.0),(160/255.0),(210/255.0));
glVertex2f((160-150)/150.0, - (163-150)/150.0);
glVertex2f((125-150)/150.0, - (163-150)/150.0);
glVertex2f((175-150)/150.0, - (213-150)/150.0);
glVertex2f((210-150)/150.0, - (213-150)/150.0);
glEnd();
glutSwapBuffers();
}
void mouse(int button, int state, int x, int y)
{
if(state==GLUT_DOWN)
{
printf("glVertex2f((%d-150)/150.0, - (%d-150)/150.0);\n",x,y);
}
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week03");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMainLoop();
}

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