ex.py (dfcfe5f) - voxels

ex.py

from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
import sys
import time

lf = time.time()
fc = 0

def reshape(width, height):
    glViewport(0, 0, width, height)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluPerspective(45, width / float(height or 1), 1, 50)
    glMatrixMode(GL_MODELVIEW)

def draw_cube():
    glutWireCube(1)

def display():
    global lf, fc
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
    glLoadIdentity()
    glTranslatef(0, 0, -5)
    glRotatef((60 * time.time()) % 360, 2, 1, 0)
    draw_cube()
    glutSwapBuffers()
    fc += 1
    now = time.time()
    if now - lf >= 1.0:
        print(f"{fc} FPS")
        fc = 0
        lf = now

def keyboard(key, x, y):
    if key == b'\x1b':  # ESC
        glutLeaveMainLoop()

glutInit(sys.argv)
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH)
glutInitWindowSize(500, 500)
glutInitWindowPosition(100, 100)
glutCreateWindow("PyOpenGL Cube")
glEnable(GL_DEPTH_TEST)

glutDisplayFunc(display)
glutIdleFunc(display)
glutReshapeFunc(reshape)
glutKeyboardFunc(keyboard)

glutMainLoop()

voxels

Correct voxel raycast, voxel types, reflectance