Week11 課堂作業_01161044劉毓潔

#include <GL/glut.h>

float angleX=0;
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angleX, 0,1,0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
void keyboard(unsigned char key, int x, int y)
{
     if(key=='a') angleX+=3;
     if(key=='b') angleX-=3;
     glutPostRedisplay();
        
}
void myLight()
{
const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_LIGHTING);  
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
}
int main()
{
glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);
glutCreateWindow("week11");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
myLight();
glutMainLoop();
}

(兩顆球)

(4顆球)

(較好的4顆球寫法)

利用glPushMatrix();   glPopMatrix();包起來保護他

#include <GL/glut.h>

float angleX=0;

void display()

{

 glEnable(GL_DEPTH_TEST);

 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

 glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glutWireTeapot(0.3);

  

  glPushMatrix();

  glTranslatef(0.4,0,0);            //右邊球 

  glutSolidSphere(0.2,30,30);

  glPopMatrix();

   

  glPushMatrix();

  glTranslatef(-0.4,0,0);          //左邊球 

  glutSolidSphere(0.2,30,30);

  glPopMatrix();

   

  glPushMatrix();

  glTranslatef(0,0.4,0);         //上面球 

  glutSolidSphere(0.2,30,30);

  glPopMatrix();

  

  glPushMatrix();

  glTranslatef(0,-0.4,0);          //下面球

  glutSolidSphere(0.2,30,30);

  glPopMatrix();

 glutSwapBuffers();

}

void keyboard(unsigned char key, int x, int y)

{

     if(key=='a'||key=='A') angleX+=3;

     if(key=='b'||key=='B') angleX-=3;

     glutPostRedisplay();

        

}

void myLight()

{

 const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

 glEnable(GL_LIGHT0);

 glEnable(GL_NORMALIZE);

 glEnable(GL_COLOR_MATERIAL);

 glEnable(GL_LIGHTING);  

 glLightfv(GL_LIGHT0, GL_POSITION, light_position); 

}

int main()

{

 glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);

 glutCreateWindow("week11");

 glutDisplayFunc(display);

 glutKeyboardFunc(keyboard);

 glutIdleFunc(display);

 myLight();

 glutMainLoop();

}

任務: 左右各畫個長方塊,像手臂一樣

旋轉長方塊

長方塊的腳,有大腿跟小腿

#include <GL/glut.h>

float angleX=0,angleY=0;

void display()

{

 glEnable(GL_DEPTH_TEST);

 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

 glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glutWireTeapot(0.3);  //茶壺

  

  glPushMatrix();           //右腳 

   glTranslatef(0.2,-0.2,0); 

   glRotatef(angleY, 0,0,1);

   glTranslatef(0,-0.36/2,0);    

   glPushMatrix(); 

      glScalef(0.2,0.36,0.2);

      glutSolidCube(1);

   glPopMatrix();         //大腿 

   glPushMatrix();        //小腿   

     glTranslatef(0,-0.18,0); 

     glRotatef(angleY, 0,0,1);

     glTranslatef(0,-0.36/2,0);  

     glScalef(0.2,0.36,0.2);

     glutSolidCube(1);

   glPopMatrix(); 

   glPopMatrix(); 

   

   glPushMatrix();           //左腳 

   glTranslatef(-0.2,-0.2,0); 

   glRotatef(angleY, 0,0,1);

   glTranslatef(0,-0.36/2,0);    

   glPushMatrix(); 

      glScalef(0.2,0.36,0.2);

      glutSolidCube(1);

   glPopMatrix();         //大腿 

   glPushMatrix();        //小腿   

     glTranslatef(0,-0.18,0); 

     glRotatef(angleY, 0,0,1);

     glTranslatef(0,-0.36/2,0);  

     glScalef(0.2,0.36,0.2);

     glutSolidCube(1);

   glPopMatrix(); 

   glPopMatrix(); 

  

  glPushMatrix();

  glTranslatef(0.4,0,0);            //右邊球 

  glutSolidSphere(0.2,30,30);

  glRotatef(angleY, 0,0,1);

  glTranslatef(0.3,0,0);    

  glScalef(1.5,1,1);

  glutSolidCube(0.3);

  glPopMatrix();

   

  glPushMatrix();

  glTranslatef(-0.4,0,0);          //左邊球 

  glutSolidSphere(0.2,30,30);

  glRotatef(angleY, 0,0,-1);

  glTranslatef(-0.3,0,0);    

  glScalef(1.5,1,1);

  glutSolidCube(0.3);

  glPopMatrix();

   

  glPushMatrix();

  glTranslatef(0,0.4,0);         //上面球 

  glutSolidSphere(0.2,30,30);

  glPopMatrix();

  

  glPopMatrix();

 glutSwapBuffers();

}

void keyboard(unsigned char key, int x, int y)

{

     if(key=='a'||key=='A') angleX+=3;

     if(key=='b'||key=='B') angleX-=3;

     

     if(key=='1') angleY+=3;

     if(key=='2') angleY-=3;

     glutPostRedisplay();

        

}

void myLight()

{

 const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

 glEnable(GL_LIGHT0);

 glEnable(GL_NORMALIZE);

 glEnable(GL_COLOR_MATERIAL);

 glEnable(GL_LIGHTING);  

 glLightfv(GL_LIGHT0, GL_POSITION, light_position); 

}

int main()

{

 glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);

 glutCreateWindow("week11");

 glutDisplayFunc(display);

 glutKeyboardFunc(keyboard);

 glutIdleFunc(display);

 myLight();

 glutMainLoop();

}