第十周課堂作業

#include <GL/glut.h>

float teapotX=0 , teapotY=0;

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

{

if(key=='a') teapotX+=0.1;

if(key=='b') teapotX-=0.1;

if(key=='c') teapotY+=0.1;

if(key=='d') teapotY-=0.1;

glutPostRedisplay();

}

void display()

{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glPushMatrix();

glTranslatef(teapotX ,teapotY, 0);

glutSolidTeapot(0.3);

glPopMatrix();

glutSwapBuffers();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week10");

glutDisplayFunc(display);

glutKeyboardFunc(keyboard);

glutMainLoop();

}

#include <GL/glut.h> #include <stdio.h> float teapotX=0, teapotY=0; void keyboard(unsigned char key, int x, int y) { printf("%c %d %d\n", key, x, y); if(key=='a' || key=='A') teapotX+=0.1; if(key=='b' || key=='B') teapotX-=0.1; if(key=='c' || key=='C') teapotY+=0.1; if(key=='d' || key=='D') teapotY-=0.1; glutPostRedisplay(); } void mouse(int button, int state, int x, int y) { printf("%d %d %d %d\n", button, state, x, y); } void motion(int x, int y) { printf("%d %d/n", x, y); } void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); glTranslatef(teapotX, teapotY, 0); glutSolidTeapot(0.3); glPopMatrix(); glutSwapBuffers(); } int main() { glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow("week10"); glutDisplayFunc(display); glutKeyboardFunc(keyboard); glutMouseFunc(mouse); glutMotionFunc(motion); glutMainLoop(); }

#include <GL/glut.h>

#include <stdio.h>

float teapotX=0, teapotY=0;

float angleX=0, startX=0;

float angleY=0, startY=0;

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

{

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

    startX=x;

    startY=y;

}

void motion(int x, int y)

{

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

angleX+= (x-startX); startX=x;

angleY+= (y-startY); startY=y;

glutPostRedisplay();

}

void display()

{

     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

     glPushMatrix();

      glTranslatef(teapotX, teapotY, 0);

      glRotatef(angleX, 0,-1,0);

      glRotatef(angleY, -1,0,0);

      glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

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);

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week10");

glutDisplayFunc(display);

glutMouseFunc(mouse);

glutMotionFunc(motion);

myLight();

glutMainLoop();

}