Adds mutation

2019-10-28 13:47:26 +01:00
parent cc2a677005
commit 57a712f140
2 changed files with 13 additions and 10 deletions
@@ -1,5 +1,6 @@
 extends Node
 export (PackedScene) var Creature
+export (float) var mutation_rate = 0.05

 var selected = []
 var rng = RandomNumberGenerator.new()
@@ -32,6 +33,8 @@ func combine_a_bitch():
 				new_dna.append(selected[0].dna[i])
 			else:
 				new_dna.append(selected[1].dna[i])
+			if rng.randf() <= mutation_rate:
+				new_dna.append(!new_dna.pop_back())
 		var new_child = spawn_a_bitch()
 		new_child.dna = new_dna
 		deselect_all()