Week 05
讓茶壺可以跟著滑鼠移動

程式碼
#include <GL/glut.h>
float mouseX=0, mouseY=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glTranslatef(mouseX, mouseY, 0);
        glutSolidTeapot(0.3);
    glPopMatrix();
    glutSwapBuffers();
}
void motion(int x, int y)
{
    mouseX = (x-150)/150.0;
    mouseY = -(y-150)/150.0;
    glutPostRedisplay();
}
int main(int argc,char **argv )
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("03160153 translate rotate scale");
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutMainLoop();
}
改變茶壺大小

程式碼
#include <GL/glut.h>
float mouseX=0, mouseY=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glScalef(mouseX, mouseY, 0);
        glutSolidTeapot(0.3);
    glPopMatrix();
    glutSwapBuffers();
}
void motion(int x, int y)
{
    mouseX = (x-150)/150.0;
    mouseY = -(y-150)/150.0;
    glutPostRedisplay();
}
int main(int argc,char **argv )
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("03160153 translate rotate scale");
    glutDisplayFunc(display);
    ///glutMouseFunc(mouse);
    glutMotionFunc(motion);
    glutMainLoop();
}
讓茶壺旋轉

程式碼
#include <GL/glut.h>
float mouseX=0, mouseY=0, rotx=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glRotatef(rotx, 0,0,1);
        glutSolidTeapot(0.3);
    glPopMatrix();
    glutSwapBuffers();
}
void motion(int x, int y)
{
    mouseX = (x-150)/150.0;
    mouseY = -(y-150)/150.0;
    rotx = x;
    glutPostRedisplay();
}
int main(int argc,char **argv )
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("03160153 translate rotate scale");
    glutDisplayFunc(display);
    ///glutMouseFunc(mouse);
    glutMotionFunc(motion);
    glutMainLoop();
}