Sphere是那顆球
Cone是三角錐
Torus是甜甜圈
後面的係數可以調東西的大小
T-R-T (像關節一樣的)轉動
#include <GL/glut.h>
void upper_arm()
{
glPushMatrix();
glScalef(1,0.3,0.3);
glutSolidCube(0.5);
glPopMatrix();
}
float angle=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle,0,0,1);
upper_arm();
glPopMatrix();
angle++;
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("week08");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
1.先做一個以Z軸為中心點旋轉的長方體
2.在旋轉下面加入glTranslatef(0.25,0,0);將長方體往左邊移動使他用底部為中心點繞園
3.在旋轉上面加入glTranslatef(0.5,0.5,0);調整畫園位置
機器人的關節轉動
#include <GL/glut.h>
void upper_arm()
{
glPushMatrix();
glScalef(1,0.3,0.3);
glutSolidCube(0.5);
glPopMatrix();
}
float angle=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(0.3,0,0);
glRotatef(angle,0,0,1);
glTranslatef(0.25,0,0);
upper_arm();
glPushMatrix();
glTranslatef(0.25,0,0);
glRotatef(angle,0,0,1);
glTranslatef(0.25,0,0);
upper_arm();
glPopMatrix();
glPopMatrix();
glPushMatrix();
glTranslatef(-0.3,0,0);
glRotatef(-angle,0,0,1);
glTranslatef(-0.25,0,0);
upper_arm();
glPushMatrix();
glTranslatef(-0.25,0,0);
glRotatef(-angle,0,0,1);
glTranslatef(-0.25,0,0);
upper_arm();
glPopMatrix();
glPopMatrix();
angle++;
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("week08");
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
}
在原本旋轉的長方形的末端再做一個旋轉的長方形



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