~~~week05~~~

↓

    const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

    const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

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

    const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

    const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

    const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat high_shininess[] = { 100.0f };

    glClearColor(1,1,1,1);

    glEnable(GL_CULL_FACE);

    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

可用xyz軸決定光源的座標，也可以點右鍵更改模型與模型顏色。

(第一行決定光源座標。)

(對左上的圖右鍵可決定模型，但須先下載模型data。)

(右下的圖右鍵可決定顏色與材質。)

#include <GL/glut.h>

float x=0,y=0;

 const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

    const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

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

    const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

    const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

    const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat high_shininess[] = { 100.0f };

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//滑鼠移動

    glPushMatrix();

    glTranslatef((x-150)/150.0,-(y-150)/150.0,0);//以視窗內座標決定移動位置

    glColor3f(0.8,0.6,0);

    glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

}

void motion(int nowx,int nowy)

{

    x=nowx; y=nowy;//滑鼠移動

    display();

}

int main(int argc,char ** argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week05 translate 06160095");

    glutDisplayFunc(display);

        glClearColor(1,1,1,1);

    glEnable(GL_CULL_FACE);

    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMotionFunc(motion);//執行

    glutMainLoop();

}

同樣是茶壺，但能自動旋轉。

#include <GL/glut.h>

float x=0,y=0;

float angle=0;//開始角度

 const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

    const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

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

    const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

    const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

    const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

    const GLfloat high_shininess[] = { 100.0f };

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//滑鼠移動

    glPushMatrix();

    glRotatef(angle,0,1,0);//以角度決定旋轉

    glColor3f(0.8,0.6,0);

    glutSolidTeapot(0.3);

    glPopMatrix();

    angle++;//角度++，可調整角度以增加速度

    glutSwapBuffers();

}

void motion(int nowx,int nowy)

{

    x=nowx; y=nowy;//滑鼠移動

    display();

}

int main(int argc,char ** argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week05 translate 06160095");

    glutDisplayFunc(display);

    glutIdleFunc(display);//需要，否則不會自動旋轉

        glClearColor(1,1,1,1);

    glEnable(GL_CULL_FACE);

    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMotionFunc(motion);//執行

    glutMainLoop();

}