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#include <GL/glut.h>
static void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,0);///上色
glutSolidSphere(0.5,30,30);
glutSwapBuffers();///更新畫面
}
int main(int argc, char *argv[]) ///main()函式
{
glutInit(&argc, argv);///(1)Inet初始化GLUT
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week03-circle");///(3)建立GLUT視窗
glutDisplayFunc(display);///(4)準備 display()函式
glutMainLoop();///(5)主要函式
}
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#include <GL/glut.h>
#include <math.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,0,0);///上色
glBegin(GL_POLYGON);
for(int i=0;i<30;i++){
float a= 3.1415926*2/30*i;
glVertex2f(0.5+0.1*cos(a),0.2*sin(a));
}
glEnd();
glutSwapBuffers();///更新畫面
}
int main(int argc, char *argv[]) ///main()函式
{
glutInit(&argc, argv);///(1)Inet初始化GLUT
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week03-circle");///(3)建立GLUT視窗
glutDisplayFunc(display);///(4)準備 display()函式
glutMainLoop();///(5)主要函式
}




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