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from pathlib import Path
import glm
import moderngl
from base import CameraWindow
from moderngl_window.scene.camera import KeyboardCamera
class GLTFTest(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()
# resource_dir = Path(__file__, "../../tmp/issue_with_draco").resolve()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.wnd.mouse_exclusivity = True
# self.scene = self.load_scene(
# "0147_858530.6583696686_-5537397.529199226_3036197.2162786936.glb", kind="gltf"
# )
# --- 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")
# --- Draco compressed ---
# self.scene = self.load_scene("Box/glTF-Draco/Box.gltf")
# self.scene = self.load_scene("Buggy/glTF-Draco/Buggy.gltf")
# self.scene = self.load_scene("2CylinderEngine/glTF-Draco/2CylinderEngine.gltf")
# self.scene = self.load_scene("CesiumMilkTruck/glTF-Draco/CesiumMilkTruck.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 = 10.0
self.camera.mouse_sensitivity = 0.25
# Use this for gltf scenes for better camera controls
# if self.scene.diagonal_size > 0:
# self.camera.velocity = self.scene.diagonal_size / 5.0
self.camera.position = (
self.scene.get_center()
+ glm.vec3(0.0, 0.0, self.scene.diagonal_size / 1.75)
)
def on_render(self, time: float, frame_time: float):
"""Render the scene"""
self.ctx.enable_only(moderngl.DEPTH_TEST | moderngl.CULL_FACE)
self.scene.draw(
projection_matrix=self.camera.projection.matrix,
camera_matrix=self.camera.matrix,
time=time,
)
# # Draw bounding boxes
# self.scene.draw_bbox(
# projection_matrix=self.camera.projection.matrix,
# camera_matrix=self.camera.matrix,
# children=True,
# color=(0.75, 0.75, 0.75),
# )
# self.scene.draw_wireframe(
# projection_matrix=self.camera.projection.matrix,
# camera_matrix=self.camera.matrix,
# color=(1, 1, 1, 1),
# )
if __name__ == "__main__":
GLTFTest.run()
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