Skrip pemroses berkas wavefront *.obj sederhana ke OpenGL (menggunakan PyGLET). Dibuat untuk mendukung FP Grafkomnya si Nisa # Dimodifikasi dengan menambahkan fitur rotasi

obj2opengl.py

import pyglet
from pyglet.gl import *
import random

window = pyglet.window.Window(800,600)
file = 'lamp.obj'
point = []
rotate_x = 0
rotate_y = 0

@window.event
def on_draw():
	window.clear()
	glEnable(GL_DEPTH_TEST)
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
        glEnable(GL_BLEND)
        
	glMatrixMode(GL_MODELVIEW)
	glLoadIdentity()
	glRotatef( rotate_x, 1.0, 0.0, 0.0 )
	glRotatef( rotate_y, 0.0, 1.0, 0.0 )
	
	glMatrixMode(GL_PROJECTION)
	glLoadIdentity()
	glOrtho(-10, 10, -10, 10, -10, 10)	# Atur agar arah shapenya pass
	f = open(file, 'r')
	for line in f:
		splitted = line.split()
		if len(splitted) > 0:
			if splitted[0] == 'f':
				glColor3f(0.0, 0.0, 1.0)
				glBegin(GL_POLYGON)
				for i in range(1, len(splitted)):
					glVertex3f(point[int(splitted[i])-1][0], point[int(splitted[i])-1][1],point[int(splitted[i])-1][2])	
				glEnd()
				glColor3f(0.0, 0.0, 0.0)
				glBegin(GL_LINE_LOOP) 
				for i in range(1, len(splitted)):
					glVertex3f(point[int(splitted[i])-1][0], point[int(splitted[i])-1][1],point[int(splitted[i])-1][2])	
				glEnd()       
	glFlush()

@window.event
def on_key_press(symbol, modifiers):
	global rotate_x, rotate_y
	
	if(symbol == pyglet.window.key.LEFT):
		rotate_y = rotate_y + 5
	elif(symbol == pyglet.window.key.RIGHT):
		rotate_y = rotate_y - 5
	elif(symbol == pyglet.window.key.UP):
		rotate_x = rotate_x + 5
	elif(symbol == pyglet.window.key.DOWN):
		rotate_x = rotate_x - 5
def read_point():
	f = open(file, 'r')
	for line in f:
		splitted = line.split()
		if len(splitted) > 0:
			if splitted[0] == 'v':
				data = []
				for i in range(1, len(splitted)):
					data.append(float(splitted[i]))
				point.append(data)
					
	
read_point()
pyglet.app.run()