2)T-R-T特定軸轉
3)階層性旋轉
4)矩陣
茶壺公轉 (繞茶壺把手轉)
#include <GL/glut.h>
float angle=0;
void motion(int x,int y)
{
angle=x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle,0,0,1);
glTranslatef(0.45,-0.08,0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week05 TRT");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMainLoop();
}
#include <GL/glut.h>
float angle=0;
void motion(int x,int y)
{
angle=x;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glutSolidTeapot(0.3);
glPushMatrix();//右上手臂
glTranslatef(0.5,0.15,0);
glRotatef(angle,0,0,1);
glTranslatef(0.45,-0.08,0);
glutSolidTeapot(0.3);
glPushMatrix();//右下手肘
glTranslatef(0.5,0.15,0);
glRotatef(angle,0,0,1);
glTranslatef(0.45,-0.08,0);
glutSolidTeapot(0.3);
glPopMatrix();
glPopMatrix();
glPushMatrix();//左上手臂
glTranslatef(-0.5,0.15,0);
glRotatef(-angle,0,0,1);
glTranslatef(-0.45,-0.08,0);
glutSolidTeapot(0.3);
glPushMatrix();//左下手肘
glTranslatef(-0.5,0.15,0);
glRotatef(-angle,0,0,1);
glTranslatef(-0.45,-0.08,0);
glutSolidTeapot(0.3);
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main(int argc, char *argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week05 TRT");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMainLoop();
}



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