0.0

#include "glm.h"
GLMmodel * pmodel = NULL;
void display()
{
    GLfloat pos[] = {0.0,0.0,-1.0,0.0};
    glLightfv(GL_LIGHT0,GL_POSITION,pos);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);

    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glmDraw(pmodel, GLM_SMOOTH | GLM_MATERIAL);
    glFlush();
}
int main(int argc, char**argv)
{
    pmodel = glmReadOBJ("porsche.obj");
    glmUnitize(pmodel);
    glmFacetNormals(pmodel);
    glmVertexNormals(pmodel,90.0);

    glutInit(&argc, argv);
    glutCreateWindow("22315651276518734237785");
    glutDisplayFunc(display);
    glutMainLoop();
}

匯入3d模型+上打光，感覺好棒棒。