36 lines
1.2 KiB
GDScript
36 lines
1.2 KiB
GDScript
## Converts a position input in viewport coordinates (e.g. from the mouse position input)
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## into canvas coordinates (e.g. 2D world coordinates). Useful to get a 2D 'world' position.
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@tool
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class_name GUIDEModifierCanvasCoordinates
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extends GUIDEModifier
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## If checked, the input will be treated as relative input (position change)
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## rather than absolute input (position).
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@export var relative_input:bool:
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set(value):
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relative_input = value
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emit_changed()
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func _modify_input(input:Vector3, delta:float, value_type:GUIDEAction.GUIDEActionValueType) -> Vector3:
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if not input.is_finite():
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return Vector3.INF
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var viewport = Engine.get_main_loop().root
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var transform = viewport.canvas_transform.affine_inverse()
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var coordinates = transform * Vector2(input.x, input.y)
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if relative_input:
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var origin = transform * Vector2.ZERO
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coordinates -= origin
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return Vector3(coordinates.x, coordinates.y, input.z)
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func _editor_name() -> String:
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return "Canvas coordinates"
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func _editor_description() -> String:
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return "Converts a position input in viewport coordinates (e.g. from the mouse position input)\n" + \
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"into canvas coordinates (e.g. 2D world coordinates). Useful to get a 2D 'world' position."
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