50 lines
1.3 KiB
GDScript
50 lines
1.3 KiB
GDScript
extends Node
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class_name FoodManager2D
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var minCount: int = 20
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var _currentCount: int = 0
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var rng = RandomNumberGenerator.new()
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@export var foodTypes: Array[PackedScene] = []
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## The probabilities have to add up to 1.0
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@export var foodProbs: Array[float] = []
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@export var spawnRange: Rect2 = Rect2(0, 0, 0, 0)
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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spawnRange = GameManager.extent
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call_deferred("_spawn_minimum")
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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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pass
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func _spawn_minimum() -> void:
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while _currentCount < minCount:
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_spawn_random()
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func _random_pos() -> Vector2:
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return Vector2(randf_range(spawnRange.position[0], spawnRange.size[0]), randf_range(spawnRange.position[1], spawnRange.size[1]))
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func _spawn_random() -> void:
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var pos = _random_pos()
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_spawn_food(pos)
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_currentCount += 1
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func _spawn_food(position: Vector2) -> void:
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var instance = foodTypes[rng.rand_weighted(foodProbs)].instantiate()
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instance.position = position
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call_deferred("add_child", instance)
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if instance.has_signal("consumed"):
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instance.consumed.connect(_on_entity_consumed)
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func _on_entity_consumed() -> void:
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_currentCount = max(0, _currentCount-1)
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call_deferred("_spawn_minimum")
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