第11周

鍵盤"1"&"2"控制水平方向旋轉角度

#include <GL/glut.h>

float angleX =0;

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

{

 if(key=='1') angleX+=5;

 if(key=='2') angleX-=5;

 glutPostRedisplay();//請電腦重新畫一次畫面

}

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);  

}

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();

}

int main()

{

 glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

 glutCreateWindow("week11");

 glutDisplayFunc(display);

 glutKeyboardFunc(keyboard);

 myLight();

 glutMainLoop();

}

增加球，讓球跟著茶壺轉～

#include <GL/glut.h>

float angleX =0;

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

{

  if(key=='1') angleX+=5;

  if(key=='2') angleX-=5;

  glutPostRedisplay();//請電腦重新畫一次畫面

}

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);  

}

void display()

{

  glEnable(GL_DEPTH_TEST);

  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glutSolidTeapot(0.3);

 

  glTranslatef(0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(-0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0, 0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0, -0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0.5, -0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glutSwapBuffers();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week11");

 

glutDisplayFunc(display);

glutKeyboardFunc(keyboard);

 

myLight();

glutMainLoop();

}

根目錄子目錄概念，階層式管理。

#include <GL/glut.h>

float angleX =0;

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

{

  if(key=='1') angleX+=5;

  if(key=='2') angleX-=5;

  glutPostRedisplay();//請電腦重新畫一次畫面

}

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);  

}

void display()

{

  glEnable(GL_DEPTH_TEST);

  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  glPushMatrix();//最外層再用一組Push& PopMatrix包起來做保護 

glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glutSolidTeapot(0.3);

 

  glTranslatef(0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(-0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0, 0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0, -0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

  glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glTranslatef(0.5, -0.5, 0);

  glutSolidSphere(0.2, 30, 30);

  glPopMatrix();

glPopMatrix();//階層式管理 

  glutSwapBuffers();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week11");

 

glutDisplayFunc(display);

glutKeyboardFunc(keyboard);

 

myLight();

glutMainLoop();

}

================================================================

#include <GL/glut.h>

float angleX =0, angle2=0, angle3=0;

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

{

  if(key=='1') angleX+=5;

  if(key=='2') angleX-=5;

  if(key=='3') angle2+=5;

  if(key=='4') angle2-=5;

  if(key=='5') angle3+=5;

  if(key=='6') angle3-=5;

  glutPostRedisplay();//請電腦重新畫一次畫面

}

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);  

}

void display()

{

  glEnable(GL_DEPTH_TEST);

  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  glPushMatrix();//最外層再用一組Push& PopMatrix包起來做保護 

  glRotatef(angleX, 0,1,0);

  glutSolidTeapot(0.3);

  glPushMatrix();//右邊肩膀  

  glTranslatef(0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPushMatrix();//右手臂

  glRotatef(angle2, 0,0,1);

  glTranslatef(0.2, 0, 0);

  glScalef(0.4, 0.2, 0.2);

glutSolidCube(1);

glPopMatrix();  

  glPopMatrix();

 

  glPushMatrix();//左邊肩膀 

 

  glTranslatef(-0.5, 0, 0);

  glutSolidSphere(0.2, 30, 30);

  glPushMatrix();//右手臂

  glRotatef(angle2, 0,0,1);

  glTranslatef(-0.2, 0, 0);

  glScalef(0.4, 0.2, 0.2);

glutSolidCube(1);

  glPopMatrix();

  glPopMatrix();

  glPushMatrix();//頭 

  glTranslatef(0, 0.4, 0);

  glutSolidSphere(0.25, 30, 30);

  glPopMatrix();

   

  glPushMatrix();//下面  

  glTranslatef(0, -0.25, 0);

  glutSolidSphere(0.25, 30, 30);

  glPushMatrix();//左大腿 

  glRotatef(angle3, 1,0,0);

  glTranslatef(-0.1, -0.2, 0);

  glScalef(0.15, 0.3, 0.2);

  glutSolidCube(1);

  glPushMatrix();//左膝蓋 

  glRotatef(angle3, 1,0,0);

  glTranslatef(-0.1, -0.38, 0);

  glutSolidSphere(0.09,30,30);

  glPopMatrix();

  glPopMatrix();

  glPushMatrix();//右大腿 

  glRotatef(angle3, 1,0,0);

  glTranslatef(0.1, -0.2, 0);

  glScalef(0.15, 0.3, 0.2);

  glutSolidCube(1);

  glPopMatrix();

 

  glPushMatrix();//右膝蓋 

  glRotatef(angle2, 0,0,1);

  glTranslatef(0.1, -0.38, 0);

  glutSolidSphere(0.09,30,30);

  glPopMatrix();

  glPopMatrix();  

glPopMatrix();//階層式管理 

  glutSwapBuffers();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week11");

 

glutDisplayFunc(display);

glutKeyboardFunc(keyboard);

 

myLight();

glutMainLoop();

}