3D的茶壺可以旋轉
我的茶壺可以像彈弓一樣發射出去了喔
#include <GL/glut.h>
#include <math.h>
float angle =0,potx=0,poty=0,potvx=0,potvy=0;
int pots=0;
void timer(int t)
{
glutTimerFunc(10,timer,0);
angle+=1;
if(pots==0)poty=0.5*sin(angle/180*3.14);
if(pots==2){
potx+=potvx;
poty+=potvy;
}
glutPostRedisplay();
}
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(potx,poty,0);
glRotatef(angle,0,1,0);
glutSolidTeapot(0.05);
glPopMatrix();
glFlush();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN)pots=1;
else if(state==GLUT_UP){
pots=2;
potvx=-(x-350)/3500.0;
potvy=(y-350)/3500.0;
}
}
void motion(int x,int y)
{
if(pots==1){
potx=(x-350)/350.0;
poty=-(y-350)/350.0;
}
}
int main (int argc,char**argv)
{
glutInit(&argc,argv);
glutCreateWindow("peter");
glutReshapeWindow(700,700);
glutDisplayFunc(display);
glutTimerFunc(10,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
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