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from pathlib import Path
from pyrr import Matrix44
import moderngl
import moderngl_window as mglw
from moderngl_window.scene.camera import KeyboardCamera
from base import CameraWindow
class CubeModel(CameraWindow):
"""
In oder for this example to work you need to clone the gltf
model samples repository and ensure resource_dir is set correctly:
https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0
"""
title = 'GL Transmission Format (glTF) 2.0 Scene'
window_size = 1280, 720
aspect_ratio = None
resource_dir = Path(__file__, '../../../glTF-Sample-Models/2.0').resolve()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.wnd.mouse_exclusivity = True
# --- glTF-Sample-Models ---
# self.scene = self.load_scene('2CylinderEngine/glTF-Binary/2CylinderEngine.glb')
# self.scene = self.load_scene('CesiumMilkTruck/glTF-Embedded/CesiumMilkTruck.gltf')
# self.scene = self.load_scene('CesiumMilkTruck/glTF-Binary/CesiumMilkTruck.glb')
# self.scene = self.load_scene('CesiumMilkTruck/glTF/CesiumMilkTruck.gltf')
self.scene = self.load_scene('Sponza/glTF/Sponza.gltf')
# self.scene = self.load_scene('Lantern/glTF-Binary/Lantern.glb')
# self.scene = self.load_scene('Buggy/glTF-Binary/Buggy.glb')
# self.scene = self.load_scene('VC/glTF-Binary/VC.glb')
# self.scene = self.load_scene('DamagedHelmet/glTF-Binary/DamagedHelmet.glb')
# self.scene = self.load_scene('BoxInterleaved/glTF/BoxInterleaved.gltf')
# self.scene = self.load_scene('OrientationTest/glTF/OrientationTest.gltf')
# self.scene = self.load_scene('AntiqueCamera/glTF/AntiqueCamera.gltf')
# self.scene = self.load_scene('BoomBox/glTF/BoomBox.gltf')
# self.scene = self.load_scene('Box/glTF/Box.gltf')
# self.scene = self.load_scene('BoxTextured/glTF/BoxTextured.gltf')
# self.scene = self.load_scene('BoxTexturedNonPowerOfTwo/glTF/BoxTexturedNonPowerOfTwo.gltf')
# self.scene = self.load_scene('BoxVertexColors/glTF/BoxVertexColors.gltf')
# self.scene = self.load_scene('BrainStem/glTF/BrainStem.gltf')
# self.scene = self.load_scene('Corset/glTF/Corset.gltf')
# self.scene = self.load_scene('FlightHelmet/glTF/FlightHelmet.gltf')
# self.scene = self.load_scene('Fox/glTF/Fox.gltf')
# self.scene = self.load_scene('GearboxAssy/glTF/GearboxAssy.gltf')
# self.scene = self.load_scene('ReciprocatingSaw/glTF/ReciprocatingSaw.gltf')
# self.scene = self.load_scene('RiggedFigure/glTF/RiggedFigure.gltf')
# self.scene = self.load_scene('RiggedSimple/glTF/RiggedSimple.gltf')
# self.scene = self.load_scene('SciFiHelmet/glTF/SciFiHelmet.gltf')
# self.scene = self.load_scene('SimpleMeshes/glTF/SimpleMeshes.gltf')
# self.scene = self.load_scene('SimpleSparseAccessor/glTF/SimpleSparseAccessor.gltf')
# self.scene = self.load_scene('Suzanne/glTF/Suzanne.gltf')
# self.scene = self.load_scene('TextureCoordinateTest/glTF/TextureCoordinateTest.gltf')
# self.scene = self.load_scene('TextureSettingsTest/glTF/TextureSettingsTest.gltf')
# self.scene = self.load_scene('VertexColorTest/glTF/VertexColorTest.gltf')
# self.scene = self.load_scene('WaterBottle/glTF/WaterBottle.gltf')
self.camera = KeyboardCamera(self.wnd.keys, fov=75.0, aspect_ratio=self.wnd.aspect_ratio, near=0.1, far=1000.0)
# self.camera.velocity = 7.0
# self.camera.mouse_sensitivity = 0.3
# Use this for gltf scenes for better camera controls
if self.scene.diagonal_size > 0:
self.camera.velocity = self.scene.diagonal_size / 5.0
def render(self, time: float, frame_time: float):
"""Render the scene"""
self.ctx.enable_only(moderngl.DEPTH_TEST | moderngl.CULL_FACE)
# Move camera in on the z axis slightly by default
translation = Matrix44.from_translation((0, 0, -1.5), dtype='f4')
camera_matrix = self.camera.matrix * translation
self.scene.draw(
projection_matrix=self.camera.projection.matrix,
camera_matrix=camera_matrix,
time=time,
)
# Draw bounding boxes
self.scene.draw_bbox(
projection_matrix=self.camera.projection.matrix,
camera_matrix=camera_matrix,
children=True,
color=(0.75, 0.75, 0.75),
)
# self.scene.draw_wireframe(
# projection_matrix=self.camera.projection.matrix,
# camera_matrix=camera_matrix,
# color=(1, 1, 1, 1),
# )
if __name__ == '__main__':
mglw.run_window_config(CubeModel)
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