VoxelEngine/Objects/Cube/Cube.py

from OpenGL.GLUT import *
from OpenGL.GLU import *
from OpenGL.GL import *
from Objects.Objects import *
import numpy as np


class Cube(Object):
    GeometryShaderId = -1

    def __init__(self):
        Object.__init__(self)
        if (Cube.GeometryShaderId == -1):
            self.initializeShader()

    def initializeShader(self) -> bool:
        with open('./Objects/Cube/cube_geometry.glsl', 'r') as f:
            geometry_shader_string = f.read()
        Cube.GeometryShaderId = glCreateShader(GL_GEOMETRY_SHADER)
        glShaderSource(Cube.GeometryShaderId, geometry_shader_string)
        glCompileShader(Cube.GeometryShaderId)
        if glGetShaderiv(Cube.GeometryShaderId, GL_COMPILE_STATUS) != GL_TRUE:
            raise RuntimeError(glGetShaderInfoLog(Cube.GeometryShaderId))
            return False
        return True