2D正方形

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#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,1,0);

    glBegin(GL_POLYGON);

        glColor3f(1,0,0);

        glVertex3f(0.1,0.1,0.8);

        glVertex3f(-0.1,0.1,0.8);

        glVertex3f(-0.1,-0.1,0.8);

        glVertex3f(0.1,-0.1,0.8);

    glEnd();

    glPopMatrix();

    angle+=0.01;

    glFlush();

}

int main(int argc, char **argv)

{

    glutInit(&argc, argv);

    glutCreateWindow("");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMainLoop();

}

3D正方形

                           

#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

        glRotatef( angle,0,1,0.5);

        glBegin(GL_POLYGON);

            glColor3f(1,0,0);

            glVertex3f(0.1,0.1,0.8);

            glVertex3f(-0.1,0.1,0.8);

            glVertex3f(-0.1,-0.1,0.8);

            glVertex3f(0.1,-0.1,0.8);

        glEnd();

        glBegin(GL_POLYGON);

            glColor3f(1,1,0);

            glVertex3f(0.1,0.1,-0.8);

            glVertex3f(-0.1,0.1,-0.8);

            glVertex3f(-0.1,-0.1,-0.8);

            glVertex3f(0.1,-0.1,-0.8);

        glEnd();

        glBegin(GL_QUAD_STRIP);

        glColor3f(1,1,2);

            glVertex3f(0.1,0.1,0.8);

            glVertex3f(0.1,0.1,-0.8);

            glVertex3f(-0.1,0.1,0.8);

            glVertex3f(-0.1,0.1,-0.8);

            glVertex3f(-0.1,-0.1,0.8);

            glVertex3f(-0.1,-0.1,-0.8);

            glVertex3f(0.1,-0.1,0.8);

            glVertex3f(0.1,-0.1,-0.8);

        glEnd();

    glPopMatrix();

    angle +=0.01;

    glFlush();

}

int oldX=0;  //宣告座標

void motion(int x,int y)

{

    angle +=(x-oldX);  //利用新座標去舊的得新的角度

    oldX=x;

}

int main(int argc,char **argv)

{

    glutInit(&argc,argv);

    glutCreateWindow("02161025flight");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMotionFunc(motion);  //移動函示

    glutMainLoop();

}