Fix brick throwing, add enemy death

addons/godot-rapier2d/fluid_2d_circle.gd

@@ -0,0 +1,10 @@
+@tool
+extends Fluid2D
+
+@export var circle_radius := 10:
+	set(value):
+		if circle_radius != value:
+			circle_radius = value
+			points = create_circle_points(circle_radius)
+	get:
+		return circle_radius