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"""
Cubes of different vertex formats.
These formats are unique for wavefront obj files.
"""
from pathlib import Path
import glm
import moderngl
import moderngl_window
class Cubes(moderngl_window.WindowConfig):
title = "Cubes"
resizable = True
aspect_ratio = 16 / 9
resource_dir = Path(__file__).parent.resolve() / "resources"
def __init__(self, **kwargs):
super().__init__(**kwargs)
# Load the 6 different boxes with different vertex formats
self.box_v3 = self.load_scene("scenes/box/box-V3F.obj")
self.box_c3_v3 = self.load_scene("scenes/box/box-C3F_V3F.obj")
self.box_n3_v3 = self.load_scene("scenes/box/box-N3F_V3F.obj")
self.box_t2_v3 = self.load_scene("scenes/box/box-T2F_V3F.obj")
self.box_t2_c3_v3 = self.load_scene("scenes/box/box-T2F_C3F_V3F.obj")
self.box_t2_n3_v3 = self.load_scene("scenes/box/box-T2F_N3F_V3F.obj")
self.on_resize(*self.wnd.size)
def on_render(self, time, frame_time):
self.ctx.enable_only(moderngl.DEPTH_TEST | moderngl.CULL_FACE)
rot = glm.mat4(glm.quat(glm.vec3(time, time / 2, time / 3)))
# Box 1
view = glm.translate(glm.vec3(-5, 2, -10))
self.box_v3.draw(self.projection, view * rot)
# Box 2
view = glm.translate(glm.vec3(0, 2, -10))
self.box_c3_v3.draw(self.projection, view * rot)
# Box 3
view = glm.translate(glm.vec3(5, 2, -10))
self.box_n3_v3.draw(self.projection, view * rot)
# Box 4
view = glm.translate(glm.vec3(-5, -2, -10))
self.box_t2_v3.draw(self.projection, view * rot)
# Box 5
view = glm.translate(glm.vec3(0, -2, -10))
self.box_t2_c3_v3.draw(self.projection, view * rot)
# Box 6
view = glm.translate(glm.vec3(5, -2, -10))
self.box_t2_n3_v3.draw(self.projection, view * rot)
def on_resize(self, width, height):
super().on_resize(width, height)
self.projection = glm.perspective(glm.radians(45), self.aspect_ratio, 1, 50)
if __name__ == "__main__":
Cubes.run()
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