From eb22ea41613998aecbe651e0584fc0e7958678a0 Mon Sep 17 00:00:00 2001 From: syeyoung Date: Mon, 15 Feb 2021 16:04:26 +0900 Subject: comments, to not confuse my future self. --- src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/main/java/kr/syeyoung/dungeonsguide/utils') diff --git a/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java b/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java index 14d3b7c1..9e9244de 100755 --- a/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java +++ b/src/main/java/kr/syeyoung/dungeonsguide/utils/VectorUtils.java @@ -3,6 +3,9 @@ package kr.syeyoung.dungeonsguide.utils; import javax.vecmath.Vector2d; public class VectorUtils { + // Ior rooms, different coordinate system is used. Y Increses as marker goes down. X is same. + + public static Vector2d rotateCounterClockwise(Vector2d vector2d) { return new Vector2d(vector2d.y, -vector2d.x); } -- cgit