main.py (72ef7a2) - voxels

main.py

from OpenGL.GL import shaders
from libs import *
from player import Player
from entity import Entity
from mesh import SquareMesh

VS = """
#version 120
attribute vec3 position;
attribute vec4 colIn;
varying vec4 colOut;
uniform mat4 MVP;
void main() {
    gl_Position = MVP * vec4(position, 1.0);
    colOut = colIn;
}
"""

FS = """
#version 120
varying vec4 colOut;
void main() {
    gl_FragColor = colOut;
}
"""

def build_scene():
    box = SquareMesh()
    box.add_cube(2, [0, 0, 0])
    return [box]

def main():
    pygame.init()
    pygame.display.set_mode((640, 480), pygame.DOUBLEBUF | pygame.OPENGL | pygame.RESIZABLE)
    pygame.display.set_caption("OpenGL")
    sp = shaders.compileProgram(
        shaders.compileShader(VS, GL_VERTEX_SHADER),
        shaders.compileShader(FS, GL_FRAGMENT_SHADER)
    )
    glUseProgram(sp)
    glEnable(GL_DEPTH_TEST)
    loc_mvp = glGetUniformLocation(sp, "MVP")
    glClearColor(0.1, 0.1, 0.1, 1.0)
    scene = build_scene()
    clock = pygame.time.Clock()
    cam = Player()
    cam.set_focus(True)
    n = 0
    while True:
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
        for ent in scene:
            cam.draw(ent, loc_mvp)
        for ev in pygame.event.get():
            if ev.type == pygame.QUIT or ev.type == pygame.KEYUP and ev.unicode == "q":
                pygame.quit()
                return
            cam.handle_event(ev, scene)
        cam.update_pos()
        pygame.display.flip()
        clock.tick(240)
        n += 1
        if n % 120 == 0:
            pygame.display.set_caption(f"fps {round(clock.get_fps())}")

main()

voxels

Single multicoloured cube demo