打光+滑鼠和鍵盤移動

#include <GL/glut.h>

#include <stdio.h>

float angleX=0, startX=0;

void mouse(int button, int state, int x, int y)

{

printf("%d %d %d %d\n",button, state, x, y);

startX=x;

}

void motion(int x,int y)

{

printf("%d %d\n",x ,y);

angleX=x-startX;

glutPostRedisplay();

}

void keyboard(unsigned char key, int x,int y)

{

printf("%c %d %d\n",key, x, y);

if(key=='z')angleX+=3;

if(key=='x')angleX-=3;

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()

{

glEnable(GL_DEPTH_TEST);

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);

glutMouseFunc(mouse);

glutMotionFunc(motion);

myLight();

glutMainLoop();

}