feat: optimize rendering

packages/website/src/components/GuessRenderer.tsx

@@ -1,6 +1,6 @@
-import { Canvas } from '@react-three/fiber';
 import { GuessEphemeral } from '../stores/guessEphemeral';
 import { TankopediaDisplay } from '../stores/tankopediaPersistent/constants';
+import { SmartCanvas } from './SmartCanvas';
 import { Controls } from './Tankopedia/HeroSection/components/TankSandbox/components/Control';
 import { Lighting } from './Tankopedia/HeroSection/components/TankSandbox/components/Lighting';
 import { TankModel } from './Tankopedia/HeroSection/components/TankSandbox/components/TankModel';
@@ -13,7 +13,7 @@ export function GuessRenderer() {
   const isRevealed = guessState !== null;
 
   return (
-    <Canvas
+    <SmartCanvas
       style={{
         filter: `grayscale(${isRevealed ? 0 : 1}) contrast(${isRevealed ? 1 : CONTRAST}) brightness(${isRevealed ? 1 : BRIGHTNESS})`,
         // filter: `drop-shadow(0 0 1rem ${Var('black-a11')})`,
@@ -25,6 +25,6 @@ export function GuessRenderer() {
       <Controls distanceScale={2} zoomable={false} />
       <Lighting display={TankopediaDisplay.Model} />
       <TankModel />
-    </Canvas>
+    </SmartCanvas>
   );
 }

packages/website/src/components/SmartCanvas.tsx

@@ -0,0 +1,20 @@
+import { Canvas, type CanvasProps } from '@react-three/fiber';
+import { forwardRef, useImperativeHandle, useRef } from 'react';
+import { useOnScreen } from '../hooks/useOnScreen';
+
+export const SmartCanvas = forwardRef<HTMLCanvasElement, CanvasProps>(
+  (props, ref) => {
+    const canvas = useRef<HTMLCanvasElement>(null);
+    const onScreen = useOnScreen(canvas);
+
+    useImperativeHandle(ref, () => canvas.current!, []);
+
+    return (
+      <Canvas
+        frameloop={onScreen ? 'demand' : 'never'}
+        ref={canvas}
+        {...props}
+      />
+    );
+  },
+);

packages/website/src/components/Tankopedia/CharacteristicsSection/components/Characteristics/components/GunFlexibilityVisualizer/components/CanvasContent.tsx

@@ -1,4 +1,3 @@
-import { invalidate } from '@react-three/fiber';
 import type { QuicklimeEvent } from 'quicklime';
 import { useEffect, useRef } from 'react';
 import type { Group } from 'three';
@@ -19,8 +18,6 @@ export function CanvasContent() {
       if (!gun.current) return;
 
       gun.current.rotation.x = event.data.pitch;
-
-      invalidate();
     }
 
     modelTransformEvent.on(handleModelTransformEvent);

packages/website/src/components/Tankopedia/CharacteristicsSection/components/Characteristics/components/GunFlexibilityVisualizer/components/FlexibilityCanvas.tsx

@@ -1,19 +1,12 @@
-import { Canvas } from '@react-three/fiber';
+import { SmartCanvas } from '../../../../../../../SmartCanvas';
 import { CameraPositioner, zoom } from './CameraPositioner';
 import { CanvasContent } from './CanvasContent';
 
 export function FlexibilityCanvas() {
   return (
-    <Canvas
-      frameloop="demand"
-      orthographic
-      camera={{
-        zoom,
-        rotation: [0, Math.PI / 2, 0],
-      }}
-    >
+    <SmartCanvas orthographic camera={{ zoom, rotation: [0, Math.PI / 2, 0] }}>
       <CanvasContent />
       <CameraPositioner />
-    </Canvas>
+    </SmartCanvas>
   );
 }

packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/components/Control.tsx

@@ -1,6 +1,6 @@
 import { I_HAT, J_HAT } from '@blitzkit/core';
 import { OrbitControls } from '@react-three/drei';
-import { invalidate, useThree } from '@react-three/fiber';
+import { invalidate, useFrame, useThree } from '@react-three/fiber';
 import { useEffect, useRef } from 'react';
 import { PerspectiveCamera, Vector3 } from 'three';
 import { OrbitControls as OrbitControlsClass } from 'three-stdlib';
@@ -90,32 +90,16 @@ export function Controls({
     -13,
   ).multiplyScalar(distanceScale);
 
-  useEffect(() => {
-    if (!orbitControls.current || !doAutoRotate) return;
+  const t0 = useRef(Date.now() / 1000);
+  useFrame(() => {
+    const now = Date.now() / 1000;
+    const t = now - t0.current;
 
-    const t0 = Date.now() / 1000;
-    let cancel = false;
-
-    function frame() {
-      if (!cancel) requestAnimationFrame(frame);
-
-      const now = Date.now() / 1000;
-      const t = now - t0;
-
-      camera.position
-        .copy(inspectModeInitialPosition)
-        .applyAxisAngle(I_HAT, (Math.PI / 32) * Math.sin(t / 9))
-        .applyAxisAngle(J_HAT, (-Math.PI / 16) * Math.sin(t / 7));
-
-      invalidate();
-    }
-
-    frame();
-
-    return () => {
-      cancel = true;
-    };
-  }, [doAutoRotate, camera]);
+    camera.position
+      .copy(inspectModeInitialPosition)
+      .applyAxisAngle(I_HAT, (Math.PI / 32) * Math.sin(t / 9))
+      .applyAxisAngle(J_HAT, (-Math.PI / 16) * Math.sin(t / 7));
+  });
 
   useEffect(() => {
     const unsubscribeTankopediaEphemeral = tankopediaEphemeralStore.subscribe(
@@ -229,8 +213,6 @@ export function Controls({
   }, [camera, protagonistTank.id, antagonistTank.id]);
 
   useEffect(() => {
-    let isInitialIteration = true;
-
     function handleWheel(event: WheelEvent) {
       event.preventDefault();
     }

packages/website/src/components/Tankopedia/HeroSection/components/TankSandbox/index.tsx

@@ -1,5 +1,5 @@
 import { BLITZKIT_TANK_ICON_SIZE } from '@blitzkit/core';
-import { Canvas, invalidate } from '@react-three/fiber';
+import { invalidate } from '@react-three/fiber';
 import {
   forwardRef,
   Suspense,
@@ -13,7 +13,6 @@ import { applyPitchYawLimits } from '../../../../../core/blitz/applyPitchYawLimi
 import { modelTransformEvent } from '../../../../../core/blitzkit/modelTransform';
 import { Pose, poseEvent } from '../../../../../core/blitzkit/pose';
 import { useEquipment } from '../../../../../hooks/useEquipment';
-import { useOnScreen } from '../../../../../hooks/useOnScreen';
 import { useTankModelDefinition } from '../../../../../hooks/useTankModelDefinition';
 import { Duel } from '../../../../../stores/duel';
 import { TankopediaEphemeral } from '../../../../../stores/tankopediaEphemeral';
@@ -26,6 +25,7 @@ import {
   StaticArmor,
   type ThicknessRange,
 } from '../../../../Armor/components/StaticArmor';
+import { SmartCanvas } from '../../../../SmartCanvas';
 import { AutoClear } from './components/AutoClear';
 import { Controls } from './components/Control';
 import { InitialFogReveal } from './components/InitialFogReveal';
@@ -65,7 +65,6 @@ export const TankSandbox = forwardRef<HTMLCanvasElement, TankSandboxProps>(
     const hideTankModelUnderArmor = TankopediaPersistent.use(
       (state) => state.hideTankModelUnderArmor,
     );
-    const onScreen = useOnScreen(canvas);
 
     useEffect(() => {
       if (rawDisplay === display) return;
@@ -204,10 +203,9 @@ export const TankSandbox = forwardRef<HTMLCanvasElement, TankSandboxProps>(
     }, [display]);
 
     return (
-      <Canvas
+      <SmartCanvas
         ref={canvas}
         scene={{ fog: naked ? undefined : fog.current }}
-        frameloop={onScreen ? 'demand' : 'never'}
         gl={{
           clippingPlanes: [],
           localClippingEnabled: true,
@@ -248,7 +246,7 @@ export const TankSandbox = forwardRef<HTMLCanvasElement, TankSandboxProps>(
           )}
           <Lighting display={display} />
         </Suspense>
-      </Canvas>
+      </SmartCanvas>
     );
   },
 );