#include <GL/glut.h>
#include <stdio.h>
float angleX=0;
void keyboard(unsigned char key, int x, int y)
{
printf("%c %d %d\n", key, x, y);
if(key=='a') angleX+=10;
if(key=='b') angleX-=10;
glutPostRedisplay();
}
void myLight()
{
const GLfloat light_position[] = { 2.0f, -5.0f, -5.0f, 0.0f };
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_LIGHTING);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
}
void display ()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angleX, 0,1,0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
int main()
{
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week10");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
myLight();
glutMainLoop();
}
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