A

 WEEK04

1.:主題: Rotate旋轉

https://jsyeh.org/3dcg10/下載

data.zip=>下載\windows.zip=>下載\windows\data\一堆3D模型

windows.zip=>下載\windows\transformation.exe

2.測試角度

glRotate(角度)(x.y.z)

安培右手定則

3.#include <Gl/glut.h>

void display()

{

glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

glPopMatrix();

glRotated(90,0,0,1);

glutSolidTeapot(0.3);

glPopMatrix();

glutSwapBuffers();

}

int main(int argc,char**argv)

{

glutInit(&argc,argv);

glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

glutCreateWindow("week04 Rotate");

glutDisplayFunc(display);

glutMainLoop();

}

#include <gl/GLUT.H>

void display()

{

glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

glPopMatrix();

glRotated(90,0,0,1);

glutSolidTeapot(0.3);

glPopMatrix();

glutSwapBuffers();

}

int main(int argc,char**argv)

{

glutInit(&argc,argv);

glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

glutCreateWindow("week04 Rotate");

glutDisplayFunc(display);

glutMainLoop();

}

MOTION    

#include <gl/GLUT.H>
float angle=0,oldX=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPopMatrix();
glRotated(90,0,0,1);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
void motion(int x,int y)
{
    angle += (x-oldX);
    oldX= x;
    display();
}
void mouse(int button,int state, int x, int y)
{
    oldX= x;
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("week04 Rotate");
glutDisplayFunc(display);

glutMotionFunc(motion);
glutMouseFunc(mouse);
glutMainLoop();
}