dcb63f7fe0
Les voiture maintenant suivent des coordonnées fournies par un AStarGrid2D au lieu de bétement faire une diagonale vers le prochain point du lapin ce qui fait que, maintenant elle ne peuvent plus vraiment monter sur les troitoirs car ils ne font pas partis du calque de navigation.
60 lines
2.0 KiB
GDScript
60 lines
2.0 KiB
GDScript
class_name NPCCar
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extends PathFollow2D
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@export var car : Car
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@export var distanceMax = 100
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var astar_grid: AStarGrid2D
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var toFollow: Array[Vector2i]
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@export var world: TileMapLayer
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var CARLAYER = 1
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func _ready() -> void:
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astar_grid = AStarGrid2D.new()
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astar_grid.region = world.get_used_rect()
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astar_grid.cell_size = Vector2(48, 48)
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astar_grid.diagonal_mode = AStarGrid2D.DIAGONAL_MODE_AT_LEAST_ONE_WALKABLE
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astar_grid.update()
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# only take into account the tiles that are marked with a navigation layer for cars
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for x in world.get_used_rect().size.x:
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for y in world.get_used_rect().size.y:
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var tile_position = Vector2(
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x + world.get_used_rect().position.x,
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y + world.get_used_rect().position.y,
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)
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var tile_data = world.get_cell_tile_data(tile_position)
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if tile_data == null or tile_data.get_navigation_polygon(CARLAYER) == null:
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astar_grid.set_point_solid(tile_position)
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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if car == null:
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return
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# make the wanted position on the track move ahead by a certain amount
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if position.distance_to(car.position) < distanceMax and (toFollow == null or toFollow.is_empty()):
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progress += 200
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# compute the new navigation points the car should follow
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var points = astar_grid.get_id_path(
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world.local_to_map(world.to_local(car.global_position)),
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world.local_to_map(world.to_local(global_position))
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).slice(1)
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if !points.is_empty():
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toFollow = points
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if OS.is_debug_build():
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$Label.text = (
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"position "+str(global_position)+
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"\n, map position "+ str(world.local_to_map(world.to_local(global_position)))+
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"\npoint to follow "+str(toFollow)+
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"\n world position" + str(world.global_position)
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)
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if !toFollow.is_empty():
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if world.local_to_map(world.to_local(car.global_position)) == toFollow.front():
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toFollow.pop_front()
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if !toFollow.is_empty():
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car.moveTo(world.to_global(world.map_to_local(toFollow.front())));
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