import sys, string, time, os
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from OBJFile import *

startDir = os.getcwd()

viewRotY = 0
viewRotX = 0

car = OBJFile("HumVLow.obj")

frame = 0
starttime = time.time()

def draw():
    glClearColor(0, 0.5, 1, 0)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
    
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluPerspective(45, 1, 0.1, 100)
    glMatrixMode(GL_MODELVIEW)

    glLoadIdentity()
    glTranslatef(0, 0, -5)
    glRotatef(viewRotX, 1.0, 0.0, 0.0)
    glRotatef(viewRotY, 0.0, 1.0, 0.0)
    
    car.draw()
    glutSwapBuffers()

    global frame, starttime
    frame = frame + 1
    if frame == 100:
        print 100.0/(time.time()-starttime), 'fps'
        starttime = time.time()
        frame = 0

def keyboard(key, x, y):
    if key == chr(27):
        sys.exit(0)

def specialkey(key,x,y):
    global viewRotX, viewRotY
    if key == GLUT_KEY_LEFT:
        viewRotY = viewRotY + 3
    elif key == GLUT_KEY_RIGHT:
        viewRotY = viewRotY - 3
    elif key == GLUT_KEY_UP:
        viewRotX = viewRotX + 3
    elif key == GLUT_KEY_DOWN:
        viewRotX = viewRotX - 3

glutInit([])
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(400,400)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutSpecialFunc(specialkey)
glutIdleFunc(glutPostRedisplay)
glEnable(GL_DEPTH_TEST)
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glLightfv(GL_LIGHT0, GL_POSITION, [1, 1, 1, 0])
os.chdir(startDir)
glutMainLoop()