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Fix viewer.py framebuffer size mismatch. #2055

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merged 3 commits into from
Apr 3, 2023
Merged

Fix viewer.py framebuffer size mismatch. #2055

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6a30285
Fix viewer.py framebuffer size mismatch.
0mdc Apr 1, 2023
e6b6437
Change int tuples to mn.Vector2.
0mdc Apr 3, 2023
61a9443
Minor simplifications.
0mdc Apr 3, 2023
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28 changes: 15 additions & 13 deletions examples/viewer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,24 +53,25 @@ def __init__(self, sim_settings: Dict[str, Any]) -> None:
)

# Compute environment camera resolution based on the number of environments to render in the window.
surface_size: tuple(int, int) = (
window_size: mn.Vector2 = (
self.sim_settings["window_width"],
self.sim_settings["window_height"],
)
grid_size: tuple(int, int) = ReplayRenderer.environment_grid_size(self.num_env)
camera_resolution: tuple(int, int) = (
surface_size[0] / grid_size[0],
surface_size[1] / grid_size[1],
)
self.sim_settings["width"] = camera_resolution[0]
self.sim_settings["height"] = camera_resolution[1]

configuration = self.Configuration()
configuration.title = "Habitat Sim Interactive Viewer"
configuration.size = surface_size
configuration.size = window_size
Application.__init__(self, configuration)
self.fps: float = 60.0

# Compute environment camera resolution based on the number of environments to render in the window.
grid_size: mn.Vector2i = ReplayRenderer.environment_grid_size(self.num_env)
camera_resolution: mn.Vector2 = mn.Vector2(self.framebuffer_size) / mn.Vector2(
grid_size
)
self.sim_settings["width"] = camera_resolution[0]
self.sim_settings["height"] = camera_resolution[1]

# draw Bullet debug line visualizations (e.g. collision meshes)
self.debug_bullet_draw = False
# draw active contact point debug line visualizations
Expand Down Expand Up @@ -138,11 +139,12 @@ def __init__(self, sim_settings: Dict[str, Any]) -> None:
# text object transform in window space is Projection matrix times Translation Matrix
# put text in top left of window
self.window_text_transform = mn.Matrix3.projection(
mn.Vector2(surface_size)
self.framebuffer_size
) @ mn.Matrix3.translation(
mn.Vector2(
surface_size[0] * -HabitatSimInteractiveViewer.TEXT_DELTA_FROM_CENTER,
surface_size[1] * HabitatSimInteractiveViewer.TEXT_DELTA_FROM_CENTER,
mn.Vector2(self.framebuffer_size)
* mn.Vector2(
-HabitatSimInteractiveViewer.TEXT_DELTA_FROM_CENTER,
HabitatSimInteractiveViewer.TEXT_DELTA_FROM_CENTER,
)
)
self.shader = shaders.VectorGL2D()
Expand Down