week10

自轉



V.S




公轉

右鍵點選Swap Translate/Rotate

TRT程式碼:

#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glTranslatef(0,0.5,0);

        glutWireTeapot(0.3);

    glPopMatrix();

    glPushMatrix();

        glTranslatef(0.51,0.63,0);

        glRotatef(angle,0,0,1);

        glTranslatef(0.6,0,0);

        glRotatef(-90,0,1,0);

        glutWireCone(0.1,0.6,10,10);

        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 TRT");

    glutDisplayFunc(display);

    glutMainLoop();

}