鍵盤與滑鼠

滑鼠

#include <GL/glut.h>
#include <stdio.h>
#include <math.h>
float m[16]={1,0,0,0, 0,1,0,0 , 0,0,1,0, 0,0,0,1};
float angleX=0,angleY=0;
float startX=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 keyboard(unsigned char key, int x,int y)
{
  printf("%c  %d %d\n",key,x,y);//xy座標
     if(key=='a') angleX +=3;
     if(key=='b') angleX -=3;
     glutPostRedisplay();
}
void mylight()//打光
{
 const GLfloat light_position[] = { 2.0f, 5.0f, 0.0f, 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);
  glRotatef(angleY,1,0,0);
  glutSolidTeapot(0.3);
 */
  float dist=sqrt(angleX*angleX+angleY*angleY);
  glRotatef(dist,-angleY,-angleX,0);
  glMultMatrixf(m);
  glGetFloatv(GL_MODELVIEW_MATRIX,m);
  glutSolidTeapot(0.3);
 
 glPopMatrix();
 glutSwapBuffers();
 }
int main()
{
 glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
 glutCreateWindow("week10");
 glutDisplayFunc(display);
 glutKeyboardFunc(keyboard);
 glutMouseFunc(mouse);
 glutMotionFunc(motion);
 mylight();
 glutMainLoop();
 }

==================

鍵盤

#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);//xy座標
     if(key=='a') angleX +=3;
     if(key=='b') angleX -=3;
     glutPostRedisplay();
}
void mylight()//打光
{
const GLfloat light_position[] = { 2.0f, 5.0f, 0.0f, 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);
mylight();
glutMainLoop();
}