Large update with mostly rewritten character subsystem

proto2/tests/test_baricentric.gd

@@ -0,0 +1,12 @@
+extends Node
+
+func _ready():
+	var dnatool : = DNATool.new()
+	var pt : = Vector3(0.25, 0.25, 3)
+	var p1 : = Vector3(0, 0, 0)
+	var p2 : = Vector3(1, 0, 0)
+	var p3 : = Vector3(0, 1, 0)
+	var bc = dnatool.get_baricentric(pt, p1, p2, p3)
+	print(bc)
+	print([1.0 - bc.x, 1.0 - bc.y, 1.0 - bc.z])
+	print(p1 * bc.x + p2 * bc.y + p3 * bc.z)