Week10_04160453

TRT旋轉

#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glTranslated(0,0.5,0);

        glutSolidTeapot(0.3);

    glPopMatrix();

    glPushMatrix();

        glTranslatef(0.50,0.625,0);///三角形位置

        glRotatef(angle,0,0,1);

        glTranslatef(0.6,0,0);///旋轉中心

        glRotatef(-90,0,1,0);

        glutSolidCone(0.2,0.6,30,30);///三角形

    glPopMatrix();

    glutSwapBuffers();

}

void motion(int x,int y)

{

    angle = x;

    display();

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week10");

    glutDisplayFunc(display);

    glutMotionFunc(motion);///滑鼠動作

    glutMainLoop();

}