06160246_W6

電腦圖學Week06

(1)主題：打光Part1
(2)主題：模型OBJ檔
(3)實作：GLM vs OBJ
(4)回家作業

實作(灰色茶壺)：運用之前的茶壺程式碼(freeglut)

 #include <GL/glut.h>

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);
    glutSolidTeapot( 0.3 );
    glutSwapBuffers();
}
int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutInitWindowPosition(10,10);
    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("Week06");


    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);

    glutMainLoop();

}