more tweaks to breakable vent and barrel can now explode

scripts/oildrum.gd

@@ -0,0 +1,88 @@
+extends RigidBody3D
+
+@export var hp : float = 3
+@export var explosion : Resource
+@export var blast_power : float = 10
+@export_enum("Enemy", "Trap") var enemy_type: int
+
+@onready var leak_audio: AudioStreamPlayer3D = $leak_audio
+@onready var blast_radius_area: Area3D = $BlastRadius
+@onready var radius_shape: CollisionShape3D = $BlastRadius/CollisionShape3D
+
+var leak_hp = false
+var blast_amount
+
+const HP_LEAK_RATE = .5
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	add_to_group("persist")
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if leak_hp:
+		hp -= delta * HP_LEAK_RATE
+		print("HP - ",hp)
+	if hp <= 0:
+		explode()
+
+func save():
+	var save_dict = {
+		"filename" : get_scene_file_path(),
+		"parent" : get_parent().get_path(),
+		"pos_x" : position.x,
+		"pos_y" : position.y,
+		"pos_z" : position.z,
+		"rot_x" : rotation.x,
+		"rot_y" : rotation.y,
+		"rot_z" : rotation.z,
+		"hp" : hp,
+		"leak_hp" : leak_hp,
+	}
+	return save_dict
+
+func hit(bullet_damage):
+	hp -= 1
+	leak_hp = true
+	leak_audio.play()
+
+func explode():
+	#get all collision objects that can be moved
+	var bodies_in_blast = blast_radius_area.get_overlapping_bodies()
+	#for each object determine vector from center of blast radius
+		#apply linear velocity power as the inverse % of distance towards the edge (bonus points if using curve texture)
+		#break breakable objects
+	for body in bodies_in_blast:
+		
+		#calculate blast power and direction
+		var blast_direction = (body.global_position - blast_radius_area.global_position).normalized()
+		var blast_amount = 1 - ((body.global_position - blast_radius_area.global_position).length() / radius_shape.shape.radius)
+		var blast_velocity = blast_direction * blast_power * blast_amount
+		
+		#apply and/or damage
+		if body.get_class() == "RigidBody3D":
+			if body.is_in_group("breakable"):
+				body.breaking(blast_velocity)
+			else:
+				body.linear_velocity += blast_velocity
+		if body.is_in_group("player"):
+			body.velocity += clamp(blast_velocity,Vector3(-7,-7,-7),Vector3(7,7,7))
+			body.recoil.add_recoil(Vector3(1,.1,.1),10,10)
+			body.hit(1,self,enemy_type)
+		if body.has_method("hit") and !body.is_in_group("player"):
+			body.hit(1)
+		if body.is_in_group("enemy"):
+			body.knocked = true
+			body.stunned = true
+			print("knocked")
+			body.knocked_timer.start()
+			body.stunned_timer.start()
+			body.velocity += blast_velocity
+	
+	#Spawn gpu particles
+	var explosionspawn = explosion.instantiate()
+	explosionspawn.position = self.global_position
+	explosionspawn.transform.basis = self.global_transform.basis
+	get_tree().get_root().add_child(explosionspawn)
+	queue_free()