next commit

1 files changed, 53 insertions, 0 deletions

diff --git a/area_2d.gd b/area_2d.gd
new file mode 100644
index 0000000..b9ed0d4
--- /dev/null
+++ b/area_2d.gd
@@ -0,0 +1,53 @@
+extends Area2D
+
+var overlapping_nodes: Dictionary = {}
+
+func _ready():
+	connect("body_shape_entered", Callable(self, "_on_body_shape_entered"))
+	connect("body_shape_exited", Callable(self, "_on_body_shape_exited"))
+
+
+func get_overlapping_nodes():
+	for key in overlapping_nodes:
+		var body = overlapping_nodes[key].body
+		var body_shape: int = overlapping_nodes[key].body_shape
+		var area_shape: int = overlapping_nodes[key].area_shape
+		
+		var body_shape2d: Shape2D = body.shape_owner_get_shape(body_shape, 0)
+		var area_shape2d: Shape2D = shape_owner_get_shape(area_shape, 0)
+		
+		var body_shape2d_transform = body.shape_owner_get_owner(body_shape).get_global_transform()
+		var area_shape2d_transform = shape_owner_get_owner(area_shape).get_global_transform()
+		
+		var collision_points = area_shape2d.collide_and_get_contacts(area_shape2d_transform, body_shape2d, body_shape2d_transform)
+		overlapping_nodes[key].collision_points = collision_points
+		
+		if collision_points.size() == 2:
+			overlapping_nodes[key].collision_points.append(
+				overlapping_nodes[key].collision_points[0] + Vector2(0, 16)
+			)
+			overlapping_nodes[key].collision_points.append(
+				overlapping_nodes[key].collision_points[1] + Vector2(0, 16)
+			)
+			
+	
+	return overlapping_nodes
+
+
+func _on_body_shape_entered(id, body, body_shape, area_shape):
+	if body != null:
+		#print("Id: ", id, " [", body, ", ", body_shape, ", ", area_shape, "] has entered. ")
+		var key := str(id) + ":" + str(body_shape)
+		overlapping_nodes[key] = {
+			"body": body,
+			"body_shape": body_shape,
+			"area_shape": area_shape,
+			"collision_points": [],
+		}
+
+
+func _on_body_shape_exited(id, body, body_shape, area_shape):
+	if body != null:
+		#print("Id: ", id, " [", body, ", ", body_shape, ", ", area_shape, "] has exited. ")
+		var key := str(id) + ":" + str(body_shape)
+		overlapping_nodes.erase(key)