From 47415687bcc7819dbed712e72ddfc5c29a462c5e Mon Sep 17 00:00:00 2001
From: TerraMaster85 <tm85@e3t.cc>
Date: Tue, 9 Jan 2024 16:20:19 -0500
Subject: [PATCH] Starfield parallax (subpixel motion!!!)

---
 starkingdoms-client/src/rendering.ts | 31 +++++++++++++++++++---------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/starkingdoms-client/src/rendering.ts b/starkingdoms-client/src/rendering.ts
index e6f106de5b2bf67cf95393b8f06dfe70975f9f02..c44a9decaa97124897081831b283ee5e5104b5ca 100644
--- a/starkingdoms-client/src/rendering.ts
+++ b/starkingdoms-client/src/rendering.ts
@@ -33,8 +33,8 @@ export function startRender() {
     starfield: {
       sprite: new PIXI.TilingSprite(
         PIXI.Texture.from(tex_starfield),
-        window.innerWidth,
         window.innerHeight,
+        window.innerWidth,
         //1024,
         //1024,
       ),
@@ -45,8 +45,8 @@ export function startRender() {
   };
 
   global.rendering!.app.stage.addChild(global.rendering!.starfield.sprite);
-  /*global.rendering!.starfield.sprite.height = 512;
-  global.rendering!.starfield.sprite.width = 512;*/
+  global.rendering!.starfield.sprite.height = window.innerHeight + 768;
+  global.rendering!.starfield.sprite.width = window.innerWidth + 768;
 
   app.ticker.add(() => {
     global.rendering!.app.stage.x =
@@ -54,14 +54,25 @@ export function startRender() {
     global.rendering!.app.stage.y =
       -player()?.transform.y! + window.innerHeight / 2;
 
-    global.rendering!.starfield.sprite.x = Math.floor(global.parts_map.get(global.me?.part_id).transform.x / 512) * 512 - (global.rendering!.starfield.sprite.width / 2);
-    global.rendering!.starfield.sprite.y = Math.floor(global.parts_map.get(global.me?.part_id).transform.y / 512) * 512 - (global.rendering!.starfield.sprite.height / 2);
-    global.rendering!.starfield.sprite.height = window.innerWidth;
-    global.rendering!.starfield.sprite.width = window.innerHeight;
-
     // Starfield
-    //global.rendering!.starfield.sprite.tilePosition.x = global.rendering!.starfield.off_x % 512;
-    //global.rendering!.starfield.sprite.tilePosition.y = global.rendering!.starfield.off_y % 512;
+    global.rendering!.starfield.off_x =
+      ((global.parts_map.get(global.me?.part_id).transform.x * 3) / 4) % 768;
+    global.rendering!.starfield.off_y =
+      ((global.parts_map.get(global.me?.part_id).transform.y * 3) / 4) % 768;
+    global.rendering!.starfield.sprite.x =
+      Math.floor(global.parts_map.get(global.me?.part_id).transform.x / 768) *
+        768 -
+      global.rendering!.starfield.sprite.width / 2 +
+      384;
+    global.rendering!.starfield.sprite.y =
+      Math.floor(global.parts_map.get(global.me?.part_id).transform.y / 768) *
+        768 -
+      global.rendering!.starfield.sprite.height / 2 +
+      384;
+    global.rendering!.starfield.sprite.tilePosition.x =
+      global.rendering!.starfield.off_x;
+    global.rendering!.starfield.sprite.tilePosition.y =
+      global.rendering!.starfield.off_y;
 
     for (let [id, part] of global.parts_map) {
       let part_sprite;