46 lines
1.7 KiB
GDScript
46 lines
1.7 KiB
GDScript
extends Node2D
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func _ready():
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var physics_tilemap = $Fence
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var navigation_tilemap = $Grass
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var tile_set = physics_tilemap.tile_set
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if not tile_set:
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print("Failed to find tile_set on physics_tilemap")
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return
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var tile_size = tile_set.get_tile_size()
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var used_rect = physics_tilemap.get_used_rect()
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print(used_rect)
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for x in range(used_rect.position.x, used_rect.size.x):
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for y in range(used_rect.position.y, used_rect.size.y):
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var tile_id = physics_tilemap.get_cell(x, y)
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if tile_id == -1:
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continue
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# Get the collision shapes for the current tile
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var collision_shapes = tile_set.tile_get_shapes(tile_id)
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if not collision_shapes:
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continue
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# Convert collision shapes into NavigationPolygon cut-outs
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for shape in collision_shapes:
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if shape.shape.is_class("RectangleShape2D"): # assuming rectangle shapes for simplicity
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var rect = Rect2(
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Vector2(x, y) * tile_size,
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Vector2(shape.shape.extents) * 2
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)
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cut_navigation_polygon(navigation_tilemap, rect)
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# Expand this if-else for other shapes like CircleShape2D, etc.
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func cut_navigation_polygon(navigation_tilemap: TileMapLayer, rect: Rect2):
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for nav_polygon in navigation_tilemap.get_children():
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if nav_polygon.is_class("NavigationPolygonInstance"):
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# This is a crude example - in practice, create new polygons to adjust the navigation mesh
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var nav_rect = nav_polygon.get_item_rect()
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if nav_rect.intersects(rect):
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# Here, define logic to cut rect from nav_rect, adjusting navigation mesh
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# Example: Remove affected navigation polygon and recreate it around `rect`
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nav_polygon.remove() # remove or edit as per your exact cutout needs
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# Note: Fine-tuning would involve more detailed polygon edits or re-creation.
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