電腦圖學week02

茶壺上色

#include <GL/glut.h>

static void display(void)

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glBegin(GL_TRIANGLES);

    glColor3f(1.0f, 0.0f, 0.0f);   glVertex2f(0.0f,   1.0f);

    glColor3f(0.0f, 1.0f, 0.0f);   glVertex2f(0.87f,  -0.5f);

    glColor3f(0.0f, 0.0f, 1.0f);   glVertex2f(-0.87f, -0.5f);

    glEnd();

    glColor3f(0,1,0);

    glutSolidTeapot(0.3);

    glutSwapBuffers();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("我是08160121 Good!");

    glutDisplayFunc(display);

    glutMainLoop();

}