02160403_林禹全_week05

                                      今天老師教了利用3D的點線面圖形，要讓他轉動和滑鼠控制

#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,0.5,0.5);

        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_POLYGON);

            glColor3f(1,0,1);

            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);

            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;

void motion(int x,int y)

{

    angle+=(x-oldX);

    oldX=x;

}

int main(int argc,char **argv)

{

    glutInit(&argc,argv);

    glutCreateWindow("02160403_flight");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMotionFunc(motion);

    glutMainLoop();

}