Fixed distance calculation for Blast

game/entities/other/blast.gd

@@ -22,13 +22,33 @@ func get_damage_to(body: Node2D) -> AbstractDamage:
 	var damage_dub := damage.duplicate()
 	
 	var factor := _get_damage_factor(distance)
-	damage_dub.value = damage_dub.value * factor
+	damage_dub.value = round(damage_dub.value * factor)
-	
 	return damage_dub
 
 
 func _get_distance_to(body: Node2D) -> float:
-	return global_position.distance_to(body.global_position)
+	if not shape: return INF
+	
+	#TODO optimize by binary search
+	for radius in range(shape.radius + 1):
+		var query := PhysicsShapeQueryParameters2D.new()
+		var circle_shape := CircleShape2D.new()
+		circle_shape.radius = radius
+		query.shape = circle_shape
+		query.transform = Transform2D(0, global_position)
+		query.collide_with_areas = false
+		query.collide_with_bodies = true
+		query.collision_mask = collision_mask
+		query.exclude = [self]
+		
+		var space_state := get_world_2d().direct_space_state
+		var results := space_state.intersect_shape(query)
+		
+		for result in results:
+			if result["collider"] == body:
+				return radius
+	
+	return INF
 
 
 func _get_damage_factor(distance: float) -> float: