67 lines
1.6 KiB
GDScript
67 lines
1.6 KiB
GDScript
tool
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extends Control
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class_name SummerDayCanvas
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signal fill_transform_changed(fill_transform)
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signal canvas_transform_changed(canvas_transform)
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signal view_transform_changed(view_transform)
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var scene: SummerDayScene
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var fill_transform := Transform2D.IDENTITY
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var canvas_transform := Transform2D.IDENTITY
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var view_transform := Transform2D.IDENTITY # fill_transform * canvas_transform
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func _ready():
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#connect("resized", self, "_size_changed")
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pass
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func _gui_input(event):
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if event is InputEventMagnifyGesture:
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print(event.factor)
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if event is InputEventMouseButton:
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print(event.pressed)
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func _on_SummerDay_scene_changed(new_scene):
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scene = new_scene
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_update_fill_transform()
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$Label.text = str(scene) + "\n" + str(scene.aspect_ratio)
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func _on_Canvas_resized():
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_update_fill_transform()
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range(-1, 1, 2)
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func _update_fill_transform():
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if scene == null:
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fill_transform = Transform2D.IDENTITY
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else:
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var aspect_ratio = scene.aspect_ratio.x / scene.aspect_ratio.y
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var size_ratio = rect_size.x / rect_size.y
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var scale
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var translation = Vector2.ZERO
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if aspect_ratio <= size_ratio:
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scale = rect_size.y
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translation.x = rect_size.x * 0.5 - aspect_ratio * scale * 0.5
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else:
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scale = rect_size.x / aspect_ratio
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translation.y = rect_size.y * 0.5 - scale * 0.5
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fill_transform = Transform2D.IDENTITY.scaled(Vector2(scale, scale))
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fill_transform = fill_transform.translated(translation)
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print(fill_transform)
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emit_signal("fill_transform_changed", fill_transform)
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func _update_view_transformation(transform):
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view_transform = fill_transform * canvas_transform
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emit_signal("view_transform_changed", view_transform)
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