旋轉茶壺
#include <GL/glut.h>
#include <math.h>
float angle=0,potX=0,potY=0;
void timer(int t)
{
glutTimerFunc(10,timer,t+1);
angle+=1;
potX=cos(angle/180.0*3.14);
potY=0.5*sin(angle/180.0*3.14);
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(0.5);
glPopMatrix();
glFlush();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("02160562");
glutDisplayFunc(display);
glutTimerFunc(10,timer,0);
glutMainLoop();
}
旋轉並移動茶壺-2(可控)
#include <GL/glut.h>
#include <math.h>
float angle=0,potX=0,potY=0;
void timer(int t)
{
glutTimerFunc(10,timer,t+1);
angle+=1;
//potX=cos(angle/180.0*3.14);
potY=0.5*sin(angle/180.0*3.14);
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(0.5);
glPopMatrix();
glFlush();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutCreateWindow("02160562");
glutDisplayFunc(display);
glutTimerFunc(10,timer,0);
glutMainLoop();
}
#include <GL/glut.h>
#include <math.h>
float angle=0,potX=0,potY=0,potVX=0,potVY=0;
int potState=0;
void timer(int t)
{
glutTimerFunc(10,timer,t+1);
angle+=1;
if(potState==0)potY=0.5*sin(angle/180.0*3.14);
if(potState==2){potX+=potVX; potY+=potVY;}
glutPostRedisplay();
}
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glutSolidTeapot(0.01);
glPushMatrix();
glTranslatef(potX,potY,0);
glRotated(angle,0,1,0);
glutSolidTeapot(0.01);
glPopMatrix();
glFlush();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN){potState=1;}
else if(state==GLUT_UP){potState=2; potVX=-(x-350)/3500.0; potVY=(y-350)/3500.0;}
}
void motion(int x,int y)
{
if(potState==1){potX=(x-350)/350.0; potY=-(y-350)/350.0;}
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutCreateWindow("3D");
glutReshapeWindow(700,700);
glutDisplayFunc(display);
glutTimerFunc(10,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
#include <math.h>
float angle=0,potX=0,potY=0,potVX=0,potVY=0;
int potState=0;
void timer(int t)
{
glutTimerFunc(10,timer,t+1);
angle+=1;
if(potState==0)potY=0.5*sin(angle/180.0*3.14);
if(potState==2){potX+=potVX; potY+=potVY;}
glutPostRedisplay();
}
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glutSolidTeapot(0.01);
glPushMatrix();
glTranslatef(potX,potY,0);
glRotated(angle,0,1,0);
glutSolidTeapot(0.01);
glPopMatrix();
glFlush();
}
void mouse(int button,int state,int x,int y)
{
if(state==GLUT_DOWN){potState=1;}
else if(state==GLUT_UP){potState=2; potVX=-(x-350)/3500.0; potVY=(y-350)/3500.0;}
}
void motion(int x,int y)
{
if(potState==1){potX=(x-350)/350.0; potY=-(y-350)/350.0;}
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutCreateWindow("3D");
glutReshapeWindow(700,700);
glutDisplayFunc(display);
glutTimerFunc(10,timer,0);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutMainLoop();
}
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