fx: prey-predator interactions

evolve-die-repeat/molecular/prey/collision.gd

@@ -18,6 +18,10 @@ func move(motion: Vector3, mod: float) -> void:
 	position = GameManager.get_boundaried_position(position)
 
 
+func handle_damage(dmg: int, src: Node) -> void:
+	if owner:
+		owner.handle_damage(dmg, src)
+
 func duplicate_init() -> void:
 	var sight = $Sight
 	remove_child(sight)

evolve-die-repeat/molecular/prey/nucleotide_prey.tscn

@@ -55,7 +55,7 @@ animations = [{
 script = ExtResource("2_0227s")
 maxHealth = 20
 
-[node name="Collision" type="CharacterBody2D" parent="." index="0" unique_id=331517910]
+[node name="Collision" type="CharacterBody2D" parent="." index="0" unique_id=331517910 groups=["prey"]]
 scale = Vector2(0.2, 0.2)
 collision_layer = 2
 collision_mask = 5

evolve-die-repeat/molecular/prey/state_fleeing.gd

@@ -1,6 +1,6 @@
 extends State
 
-var threat: Node2D
+var threat: Node
 var threshold: float = 100
 
 func enter(previous_state_path: String, data := {}) -> void:
@@ -11,13 +11,12 @@ func enter(previous_state_path: String, data := {}) -> void:
 		finished.emit(owner.fsm.States.IDLE, {})
 
 func physics_update(_delta: float) -> void:
-	if not is_instance_valid(threat) or GameManager.calc_distance(owner.position, threat.position) > threshold:		
+	if not is_instance_valid(threat) or GameManager.calc_distance(owner.collision.position, threat.position) > threshold:		
 		finished.emit(owner.fsm.States.IDLE, {}) 
 		return
 	owner.move(flee_from(threat.position))
 
 func flee_from(pos: Vector2) -> Vector3:
-	# FIXME: What is the argument "pos" and why is it unused?
-	var diff = threat.position - owner.position
+	var diff = pos - owner.collision.position
 	diff = diff.normalized() * -1
 	return Vector3(diff.x, diff.y ,0)