From 4836266c2bf7a56b019cfa906390b8613dd70134 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Fri, 10 Jun 2022 23:54:45 +0900
Subject: [PATCH] examples/tiles: improve readability by calculating tileXNum
 on the fly

---
 examples/tiles/main.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/tiles/main.go b/examples/tiles/main.go
index ad0b5f8f9..ca2b2a187 100644
--- a/examples/tiles/main.go
+++ b/examples/tiles/main.go
@@ -36,7 +36,6 @@ const (
 
 const (
 	tileSize = 16
-	tileXNum = 25
 )
 
 var (
@@ -64,6 +63,9 @@ func (g *Game) Update() error {
 }
 
 func (g *Game) Draw(screen *ebiten.Image) {
+	w, _ := tilesImage.Size()
+	tileXNum := w / tileSize
+
 	// Draw each tile with each DrawImage call.
 	// As the source images of all DrawImage calls are always same,
 	// this rendering is done very efficiently.