extends Node2D

var mouse_down_position = Vector2()

func _unhandled_input(event):
	if event is InputEventMouseButton:
		if event.button_index == MOUSE_BUTTON_LEFT:
			if event.pressed:
				# Record the position where the mouse was pressed down
				mouse_down_position = get_global_mouse_position()
			else:
				# Handle mouse button release
				var pos = get_global_mouse_position()
				var vol = pos - mouse_down_position
				spawn(pos,vol)

func spawn(pos,vol):
	var new_player = load("res://player.tscn").instantiate()
	new_player.get_node("Body2D").position = pos
	
	new_player.get_node("Body2D").apply_impulse(vol)
		
	# Prepare the shape query parameters
	var query_parameters = PhysicsShapeQueryParameters2D.new()
	var collision_shape = new_player.get_node("Body2D/CollisionShape2D").shape
	query_parameters.set_shape(collision_shape)
	query_parameters.set_transform(Transform2D(0, pos))
	query_parameters.set_collision_mask(1)

	# Get the Physics2DDirectSpaceState for collision checking
	var space_state = get_world_2d().direct_space_state

	# Check for collision
	var collision_results = space_state.intersect_shape(query_parameters)
	if collision_results.size() == 0:
		# No collision, safe to add child
		add_child(new_player)
	else:
		for collision in collision_results:
			#print
			if collision.collider.get_parent() is Pool:
				collision.collider.get_parent()._on_decay_timer_timeout()
				return
		var marker = Sprite2D.new()
		marker.position = new_player.get_node("Body2D").position
		marker.scale=Vector2(0.1,0.1)
		marker.texture = load("res://images/crosshair.png")
		add_child(marker)