72 lines
1.7 KiB
GDScript
72 lines
1.7 KiB
GDScript
extends CharacterBody3D
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class_name Projectile
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const TARGET_ENEMY : int = 1 ## Flag to target enemy
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const TARGET_ALLY : int = 2 ## Flag to target ally
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const MINIMUN_AREA : float = .1
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var speed : int = 20
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var isAOE : bool = false
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var allowedTargets : int = TARGET_ENEMY
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var target : PhysicsBody3D
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var damage : int = 1
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var enemiesInRange : Array[Enemy]
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var allyInRange : Array[Tower]
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func _physics_process(delta: float) -> void:
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if is_instance_valid(target):
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velocity = global_position.direction_to(target.global_position) * speed
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look_at(target.global_position)
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move_and_slide()
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else:
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queue_free()
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func onBodyEnteredDamageArea(body: Node3D) -> void:
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if isAOE && targetable(body):
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if body is Enemy:
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enemiesInRange.append(body)
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if body is Tower:
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allyInRange.append(body)
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func onBodyExitedDamageArea(body: Node3D) -> void:
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if body is Enemy:
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enemiesInRange.erase(body)
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if body is Tower:
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allyInRange.erase(body)
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func onBodyCollideWithProjectile(body: Node3D) -> void:
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if body == target:
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resolveDamages()
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func targetable(body: Node3D) -> bool:
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if body is Enemy:
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return TARGET_ENEMY & allowedTargets
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if body is Tower:
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return TARGET_ALLY & allowedTargets
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return false
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func resolveDamages() -> void:
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for enemy in enemiesInRange:
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enemy.take_damage(damage)
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queue_free()
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func loadProjectile(resource : ProjectileResource, startPosition: Vector3, _target: PhysicsBody3D) -> void:
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target = _target
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enemiesInRange.append(target)
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global_position = startPosition
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speed = resource.speed
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isAOE = resource.isAOE
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allowedTargets = resource.allowedTargets
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$Sprite3D.texture = resource.sprite
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if isAOE && resource.damageArea:
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$DamageArea/ProjectileArea.shape = resource.damageArea
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