From 9668b8a8d2a7fb38430013fee0023b6fbb06d946 Mon Sep 17 00:00:00 2001
From: HyperOnion <>
Date: Sat, 24 Jun 2023 12:42:02 +0200
Subject: [PATCH] make box checkerboard floors line up nicely.

---
 js/graphics.mjs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/js/graphics.mjs b/js/graphics.mjs
index d7e68f8..7406eee 100644
--- a/js/graphics.mjs
+++ b/js/graphics.mjs
@@ -21,9 +21,9 @@ function checkerboard (x, y) {
 	return ((x ^ y) & 1) === 0;
 }
 
-export function draw_floor (start_x, start_y, scale) {
+export function draw_floor (start_x, start_y, scale, invert = false) {
 	iter_2d(range(0, world.BOX_SIZE - 1), (x, y) => {
-		if (checkerboard(x, y)) {
+		if (checkerboard(x, y) !== invert) {
 			graphics.set_color("#aaa");
 		} else {
 			graphics.set_color("#888");
@@ -34,7 +34,7 @@ export function draw_floor (start_x, start_y, scale) {
 }
 
 export function draw_world (box, start_x = 0, start_y = 0, scale = BASE_SCALE) {
-	draw_floor(start_x, start_y, scale);
+	draw_floor(start_x, start_y, scale, !checkerboard(start_x, start_y));
 
 	iter_2d(range(0, world.BOX_SIZE - 1), (x, y) => {
 		const tile = world.get_tile(box, x, y);