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59 lines
1.4 KiB
GDScript
59 lines
1.4 KiB
GDScript
extends TileMap
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# You can have multiple layers if you make this an array.
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var secret_layer := 0
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var player_in_secret := false
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var layer_alpha := 1.0
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func _init() -> void:
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for i in get_layers_count():
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# Find the secret layer by name.
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if get_layer_name(i) == "Secret":
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secret_layer = i
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func _ready() -> void:
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set_process(false)
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func _process(delta: float) -> void:
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if player_in_secret:
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if layer_alpha > 0.3:
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# Animate the layer transparency.
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layer_alpha = move_toward(layer_alpha, 0.3, delta)
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set_layer_modulate(secret_layer, Color(1, 1, 1, layer_alpha))
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else:
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set_process(false)
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else:
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if layer_alpha < 1.0:
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layer_alpha = move_toward(layer_alpha, 1.0, delta)
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set_layer_modulate(secret_layer, Color(1, 1, 1, layer_alpha))
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else:
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set_process(false)
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func _use_tile_data_runtime_update(layer: int, _coords: Vector2i) -> bool:
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return layer == secret_layer
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func _tile_data_runtime_update(_layer: int, _coords: Vector2i, tile_data: TileData) -> void:
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# Remove collision for secret layer.
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tile_data.set_collision_polygons_count(0, 0)
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func _on_secret_detector_body_entered(body: Node2D) -> void:
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if body is not CharacterBody2D:
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# Detect the player only.
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return
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player_in_secret = true
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set_process(true)
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func _on_secret_detector_body_exited(body: Node2D) -> void:
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if body is not CharacterBody2D:
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return
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player_in_secret = false
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set_process(true)
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