VoxelEngine/Objects/Cuboid/Cuboid.py

from OpenGL.GLUT import *
from OpenGL.GLU import *
from OpenGL.GL import *
from Objects.Objects import *


class Cuboid(SizedObject):
    def __init__(self):
        super(Cuboid, self).__init__()
        if Cuboid.GeometryShaderId == -1:
            self.initializeShader()

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