From 923b5bc3d6126e5b3b62c27c20a8739519362c6a Mon Sep 17 00:00:00 2001
From: John Alanbrook <john@pockle.world>
Date: Thu, 9 Oct 2025 03:32:08 -0500
Subject: [PATCH] tilemap no longer uses ppu

---
 prosperon/tilemap.cm | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/prosperon/tilemap.cm b/prosperon/tilemap.cm
index 7c4e973e..daafb4d6 100644
--- a/prosperon/tilemap.cm
+++ b/prosperon/tilemap.cm
@@ -5,10 +5,11 @@ function tilemap()
   this.tiles = [];
   this.offset_x = 0;
   this.offset_y = 0;
-  this.ppu = 32
   this.layer = 0;  // Default layer for scene tree sorting
   this._geometry_cache = {};  // Cache actual geometry data by texture
   this._dirty = true;
+  this.scale_x = 1
+  this.scale_y = 1
   return this;
 }
 
@@ -110,17 +111,13 @@ tilemap.prototype =
           var textureKey = imageToKey.get(tile);
           
           if (!textureGroups[textureKey]) {
-            // compute world-unit size of one tile of this texture
-            var tile_wu = tile.width / this.ppu;
-            var tile_hu = tile.height / this.ppu;
-            
             textureGroups[textureKey] = {
               tiles: [],
               image: tile,  // Store the image object
               offset_x: this.offset_x,
               offset_y: this.offset_y,
-              size_x: tile_wu,
-              size_y: tile_hu
+              size_x: this.scale_x,
+              size_y: this.scale_y
             };
           }
           textureGroups[textureKey].tiles.push({