2014電腦圖學: Week11

▲今日目標：做出會動的機器手臂▲

--------------------------------------茶壺加三顆球一起按A轉動--------------------------------------

#include <GL/glut.h>

float angleX=0;

void display()

{

glEnable(GL_DEPTH_TEST);

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //清除背景

glPushMatrix();

glRotatef(angleX, 0,1,0);

glutWireTeapot(0.3);

glTranslatef(0.4,0,0);

glutSolidSphere(0.2,30,30); //左邊球

glTranslatef(-0.8,0,0);

glutSolidSphere(0.2,30,30); //右邊球

glTranslatef(0.4,0.4,0);

glutSolidSphere(0.2,30,30); //上面球

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();

}

-----------------------------改程式碼雖然比較純樸但是比較容易了解-----------------------------

#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);

glutSolidSphere(0.2,30,30); //左邊球

glPopMatrix();

glPushMatrix();

glTranslatef(-0.4,0,0);

glutSolidSphere(0.2,30,30); //右邊球

glPopMatrix();

glPushMatrix();

glTranslatef(0,0.4,0);

glutSolidSphere(0.2,30,30); //上面球

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();

}

-----------------------------任務: 左右各畫個長方塊,像手臂一樣------------------------------

#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);

glutSolidSphere(0.2,30,30); //左邊球

glPopMatrix();

glPushMatrix();

glTranslatef(-0.4,0,0);

glutSolidSphere(0.2,30,30); //右邊球

glPopMatrix();

glPushMatrix();

glTranslatef(0,0.4,0);

glutSolidSphere(0.2,30,30); //上面球

glPopMatrix();

glPushMatrix();

glTranslatef(0.6,0,0);

glRotatef(90,0,0,1);

glScalef(1,1.5,0.4);

glutSolidCube(0.3);

glPopMatrix();

glPushMatrix();

glTranslatef(-0.6,0,0);

glRotatef(90,0,0,1);

glScalef(1,1.5,0.4);

glutSolidCube(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();

}

-----------------------------------------機器人的手繞著球旋轉----------------------------------------

#include <GL/glut.h>

float angleX=0, angle1=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();

glTranslatef(0.4,0,0);

glutSolidSphere(0.2,30,30); //左邊球

glPushMatrix();

glRotatef(angle1,0,0,1);

glTranslatef(0.3,0,0);

glScalef(2,1,1);

glutSolidCube(0.2);

glPopMatrix();

glPushMatrix();

glTranslatef(-0.4,0,0);

glutSolidSphere(0.2,30,30); //右邊球

glPushMatrix();

glRotatef(angle1,0,0,1);

glTranslatef(-0.3,0,0);

glScalef(2,1,1);

glutSolidCube(0.2);

glPopMatrix();

glPushMatrix();

glTranslatef(0,0.4,0);

glutSolidSphere(0.2,30,30); //上面球

glPopMatrix();

glutSwapBuffers();

}

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

{

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

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

if(key=='1') angle1+=3;

if(key=='2') angle1-=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();

}

xxxxxxxxxxxxxxxxxxxx錯誤低xxxxxxxxxxxxxxxxxxxx

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-----------------------------畫出大腿跟小腿(重點:繞著旋轉的重心)-----------------------------

#include <GL/glut.h>

float angleX=0, angle1=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();

glTranslatef(0.4,0,0);

glutSolidSphere(0.2,30,30); //左邊球

glPushMatrix();

glRotatef(angle1,0,0,1);

glTranslatef(0.3,0,0);

glScalef(2,1,1);

glutSolidCube(0.2);

glPopMatrix();

glPushMatrix();

glTranslatef(-0.4,0,0);

glutSolidSphere(0.2,30,30); //右邊球

glPushMatrix();

glRotatef(angle1,0,0,1);

glTranslatef(-0.3,0,0);

glScalef(2,1,1);

glutSolidCube(0.2);

glPopMatrix();

glPushMatrix(); //右腳

glTranslatef(0.2,-0.2,0); //T: (3)讓會轉的腳,掛在該掛的位置

glRotatef(angle1,0,0,1); //R: (2)照著中心轉動

glTranslatef(0,-0.36/2,0);//T: (1)讓旋轉軸移到中心

glPushMatrix(); //因為有個Scale,要把它限制擋起來,不要影響到小腿

glScalef(0.2,0.36,0.2);

glutSolidCube(1);

glPopMatrix(); //這是大腿

glPushMatrix(); //右小腿,掛在右腳膝蓋的地方

glTranslatef(0,-0.18,0); //T: (3)讓會轉的腳,掛在該掛的位置

glRotatef(angle1,0,0,1); //R: (2)照著中心轉動

glTranslatef(0,-0.36/2,0);//T: (1)讓旋轉軸移到中心

glScalef(0.2,0.36,0.2);

glutSolidCube(1);

glPopMatrix();

glPushMatrix(); //左腳

glTranslatef(-0.2,-0.2,0); //T: (3)讓會轉的腳,掛在該掛的位置

glRotatef(angle1,0,0,1); //R: (2)照著中心轉動

glTranslatef(0,-0.36/2,0); //T: (1)讓旋轉軸移到中心

glPushMatrix(); //因為有個Scale,要把它限制擋起來,不要影響到小腿

glScalef(0.2,0.36,0.2);

glutSolidCube(1);

glPopMatrix(); //這是大腿

glPushMatrix(); //左小腿,掛在左腳膝蓋的地方

glTranslatef(0,-0.18,0); //T: (3)讓會轉的腳,掛在該掛的位置

glRotatef(angle1,0,0,1); //R: (2)照著中心轉動

glTranslatef(0,-0.36/2,0);//T: (1)讓旋轉軸移到中心

glScalef(0.2,0.36,0.2);

glutSolidCube(1);

glPopMatrix();

glPushMatrix();

glTranslatef(0,0.4,0);

glutSolidSphere(0.2,30,30); //上面球

glPopMatrix();

glutSwapBuffers();

}

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

{

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

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

if(key=='1') angle1+=3;

if(key=='2') angle1-=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();

}

2014電腦圖學

2014年5月1日星期四

Week11

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張貼留言

2014年5月1日 星期四

Week11

沒有留言:

張貼留言

2014年5月1日星期四