From 7739dbd0a3b2851f5066ea781e227004617ab938 Mon Sep 17 00:00:00 2001
From: tresabhi <43380238+tresabhi@users.noreply.github.com>
Date: Mon, 10 Aug 2026 16:42:35 -0500
Subject: [PATCH] faster lighting

---
 .../TankSandbox/components/Lighting.tsx       | 23 +++++++++++--------
 .../components/SceneProps/index.tsx           |  5 ++--
 .../components/TankSandbox/index.tsx          |  2 --
 .../[...chunk_api]/tanks/[id]/model.glb.ts    | 12 +++-------
 4 files changed, 19 insertions(+), 23 deletions(-)

diff --git a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/Lighting.tsx b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/Lighting.tsx
index 75ee0f3fc..bf2f1f93f 100644
--- a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/Lighting.tsx
+++ b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/Lighting.tsx
@@ -1,3 +1,4 @@
+import { ContactShadows } from "@react-three/drei";
 import { useFrame } from "@react-three/fiber";
 import { clamp, times } from "lodash-es";
 import { Quicklime } from "quicklime";
@@ -12,25 +13,24 @@ import { HemisphereLight, SpotLight, type Group } from "three";
 import { degToRad, lerp } from "three/src/math/MathUtils.js";
 import { Tankopedia } from "../../../../../../stores/tankopedia";
 import { TankopediaPersistent } from "../../../../../../stores/tankopediaPersistent";
-import { HelpingSpotLight } from "../../../../../HelpingSpotLight";
 
 const ANGLE = degToRad(12);
 const REVEAL_ANIMATION_TIME = 3;
 const TRANSITION_ANIMATION_TIME = 0.5;
 
-const LIGHTS_COUNT = 4;
+const LIGHTS_COUNT = 3;
 const THETA_OFFSET = degToRad(180 - 45);
 const LIGHT_DISTANCE = 20;
 const LIGHT_HEIGHT_0 = 4;
 const LIGHT_HEIGHT_1 = 6;
-const INTENSITY_0 = 6 * 9;
-const INTENSITY_1 = 3 * 9;
-const HEMISPHERE_INTENSITY = 2;
+const INTENSITY_0 = 2 ** 6.5;
+const INTENSITY_1 = 2 ** 3.5;
+const HEMISPHERE_INTENSITY = 2 ** 1.2;
 
 export const transitionEvent = new Quicklime<number>(0);
 
 export function Lighting() {
-  const wrapper = useRef<Group>(null!);
+  const wrapper = useRef<Group>(null);
 
   const highGraphics = TankopediaPersistent.use((state) => state.highGraphics);
   const requestedDisplay = Tankopedia.use((state) => state.requestedDisplay);
@@ -61,6 +61,8 @@ export function Lighting() {
 
   return (
     <>
+      <ContactShadows blur={2 ** 1} opacity={2 ** 1} />
+
       {animate && (
         <Animator
           t0={t0}
@@ -73,7 +75,7 @@ export function Lighting() {
       )}
 
       <group ref={wrapper}>
-        <hemisphereLight intensity={0} color="#ffffff" groundColor="#afafaf" />
+        <hemisphereLight intensity={0} color="#d2e9ff" groundColor="#85490c" />
 
         {times(LIGHTS_COUNT, (index) => {
           const x = index / (LIGHTS_COUNT - 1);
@@ -86,8 +88,7 @@ export function Lighting() {
           const intensity = lerp(INTENSITY_0, INTENSITY_1, x);
 
           return (
-            <HelpingSpotLight
-              userData={{ index }}
+            <spotLight
               key={index}
               position={position}
               intensity={intensity}
@@ -109,13 +110,15 @@ interface AnimatorProps {
 
   t0: RefObject<number>;
   animationTime: RefObject<number>;
-  wrapper: RefObject<Group>;
+  wrapper: RefObject<Group | null>;
 }
 
 function Animator({ stop, t0, animationTime, wrapper }: AnimatorProps) {
   const requestedDisplay = Tankopedia.use((state) => state.requestedDisplay);
 
   const apply = useCallback((t: number) => {
+    if (wrapper.current === null) return;
+
     for (const child of wrapper.current.children) {
       if (child instanceof SpotLight) {
         child.angle = ANGLE * t;
diff --git a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/SceneProps/index.tsx b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/SceneProps/index.tsx
index 76cb0675e..c8cbf3d16 100644
--- a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/SceneProps/index.tsx
+++ b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/SceneProps/index.tsx
@@ -3,7 +3,7 @@ import { Quicklime, type QuicklimeEvent } from "quicklime";
 import { useEffect, useRef } from "react";
 import { Mesh, MeshStandardMaterial } from "three";
 
-const SIZE = 2 ** 4;
+const SIZE = 2 ** 5;
 
 export const screenshotReadyEvent = new Quicklime(false);
 
@@ -26,6 +26,7 @@ export function SceneProps() {
 
   return (
     <mesh
+      position={[0, -(2 ** -8), 0]}
       rotation={[-Math.PI / 2, 0, 0]}
       receiveShadow
       visible={!screenshotReadyEvent.last!}
@@ -36,7 +37,7 @@ export function SceneProps() {
         ref={material}
         color="black"
         roughness={1}
-        metalness={0}
+        metalness={1}
       />
     </mesh>
   );
diff --git a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/index.tsx b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/index.tsx
index b8b7dcdfa..732bf7927 100644
--- a/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/index.tsx
+++ b/packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/index.tsx
@@ -5,7 +5,6 @@ import {
   useImperativeHandle,
   useRef,
 } from "react";
-import { Fog } from "three";
 import { applyPitchYawLimits } from "../../../../../core/blitz/applyPitchYawLimits";
 import { modelTransformEvent } from "../../../../../core/blitzkit/modelTransform";
 import { Pose, poseEvent } from "../../../../../core/blitzkit/pose";
@@ -150,7 +149,6 @@ export const TankSandbox = forwardRef<HTMLCanvasElement, TankSandboxProps>(
       <SmartCanvas
         resize={{ debounce: 0 }}
         ref={canvas}
-        scene={{ fog: new Fog("black", 30, 50) }}
         gl={{
           clippingPlanes: [],
           localClippingEnabled: true,
diff --git a/packages/website/src/pages/[...chunk_api]/tanks/[id]/model.glb.ts b/packages/website/src/pages/[...chunk_api]/tanks/[id]/model.glb.ts
index 0aa75db99..6eae18f85 100644
--- a/packages/website/src/pages/[...chunk_api]/tanks/[id]/model.glb.ts
+++ b/packages/website/src/pages/[...chunk_api]/tanks/[id]/model.glb.ts
@@ -380,7 +380,7 @@ async function extractModel(vfs: AbstractVFS, path: string) {
 
 async function readBaseColor(path: string) {
   const raw = await readTexture(path);
-  const image = await sharp(raw.data, { raw: raw }).webp().toBuffer();
+  const image = await sharp(raw.data, { raw }).webp().toBuffer();
 
   return image;
 }
@@ -388,13 +388,7 @@ async function readBaseColor(path: string) {
 async function readOcclusion(path: string) {
   const raw = await readTexture(path);
 
-  const image = await sharp(raw.data, {
-    raw: {
-      width: raw.width,
-      height: raw.height,
-      channels: raw.channels,
-    },
-  })
+  const image = await sharp(raw.data, { raw })
     .extractChannel(3)
     .webp()
     .toBuffer();
@@ -404,7 +398,7 @@ async function readOcclusion(path: string) {
 
 async function readRoughnessMetallic(path: string) {
   const raw = await readTexture(path);
-  const blitz = sharp(raw.data, { raw: raw });
+  const blitz = sharp(raw.data, { raw });
   const metallicness = await blitz?.extractChannel(1).raw().toBuffer();
   const roughness = await blitz?.extractChannel(3).raw().toBuffer();