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demo/agents/scripts/hitbox.gd

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+#*
+#* hitbox.gd
+#* =============================================================================
+#* Copyright (c) 2023-present Serhii Snitsaruk and the LimboAI contributors.
+#*
+#* Use of this source code is governed by an MIT-style
+#* license that can be found in the LICENSE file or at
+#* https://opensource.org/licenses/MIT.
+#* =============================================================================
+#*
+class_name Hitbox
+extends Area2D
+## Area that deals damage.
+
+## Damage value to apply.
+@export var damage: float = 1.0
+
+## Push back the victim.
+@export var knockback_enabled: bool = false
+
+## Desired pushback speed.
+@export var knockback_strength: float = 500.0
+
+
+func _ready() -> void:
+	area_entered.connect(_area_entered)
+
+
+func _area_entered(hurtbox: Hurtbox) -> void:
+	if hurtbox.owner == owner:
+		return
+	hurtbox.take_damage(damage, get_knockback(), self)
+
+
+func get_knockback() -> Vector2:
+	var knockback: Vector2
+	if knockback_enabled:
+		knockback = Vector2.RIGHT.rotated(global_rotation) * knockback_strength
+	return knockback