feat(3d): add camera animation

components/models/home/bocchi.tsx

@@ -50,6 +50,7 @@ const BocchiRubbishBin = (props: JSX.IntrinsicElements['group']) => {
         dispose={null}
         position={position}
         rotation={[Math.PI / 10, Math.PI / 10, 0]}
+        scale={0.7}
       >
         <mesh
           castShadow

components/models/home/computer-desk.tsx

@@ -1,12 +1,12 @@
 'use client';
 
+import { PerspectiveCamera } from '@react-three/drei/core/PerspectiveCamera';
 import { Canvas } from '@react-three/fiber';
 import { lazy, Suspense, useMemo } from 'react';
-import Loading from './loading';
-import { PerspectiveCamera } from '@react-three/drei/core/PerspectiveCamera';
 import { useMediaQuery } from 'react-responsive';
-import { useTexture } from '@react-three/drei';
+import Loading from './loading';
 
+const DeskCamera = lazy(() => import('components/models/home/desk-camera'));
 const ComputerModel = lazy(
   () => import('components/models/home/computer-model'),
 );
@@ -29,14 +29,16 @@ const ComputerDesk = () => {
         <Suspense fallback={<Loading />}>
           <ambientLight intensity={1} />
           <directionalLight position={[10, 10, 10]} intensity={0.5} />
-          <ComputerModel
-            scale={scale}
-            position={[0.6, -7.2, 0]}
-            rotation={[0, -Math.PI, 0]}
-          />
+          <DeskCamera>
+            <ComputerModel
+              scale={scale}
+              position={[0.6, -7.2, 0]}
+              rotation={[0, -Math.PI, 0]}
+            />
+          </DeskCamera>
           <Target />
           <ReactLogo />
-          <PerspectiveCamera makeDefault position={[0, 0, 30]} />
+          <PerspectiveCamera makeDefault position={[0, 0, 36]} />
           <Bocchi />
         </Suspense>
       </Canvas>

components/models/home/computer-model.tsx

@@ -61,6 +61,7 @@ export function Model(props: JSX.IntrinsicElements['group']) {
 
   const moniterTexture = useTexture('/texture/desk/monitor.png');
   const screenTexture = useTexture('/texture/desk/screen.png');
+  const tableTexture = useTexture('/texture/desk/table.png');
 
   return (
     <group {...props} dispose={null}>
@@ -107,13 +108,17 @@ export function Model(props: JSX.IntrinsicElements['group']) {
         receiveShadow
         geometry={nodes.Tv_tv_mat_0.geometry}
         material={materials.tv_mat}
-      />
+      >
+        <meshMatcapMaterial map={moniterTexture} />
+      </mesh>
       <mesh
         castShadow
         receiveShadow
         geometry={nodes.table_table_mat_0.geometry}
         material={materials.table_mat}
-      />
+      >
+        <meshMatcapMaterial map={tableTexture} />
+      </mesh>
       <mesh
         castShadow
         receiveShadow

components/models/home/desk-camera.tsx

@@ -0,0 +1,43 @@
+import * as THREE from 'three';
+import { JSX, useRef } from 'react';
+import { useFrame } from '@react-three/fiber';
+import { easing } from 'maath';
+import { useMediaQuery } from 'react-responsive';
+
+const DeskCamera = ({ children }: { children: JSX.Element }) => {
+  const groupRef = useRef<THREE.Group>(null);
+
+  const isMobile = useMediaQuery({ query: '(max-width: 768px)' });
+  useFrame((state, delta) => {
+    easing.damp3(state.camera.position, [0, 0, 26], 0.25, delta);
+
+    if (!isMobile && groupRef.current) {
+      const x = (() => {
+        const _x = state.pointer.y / 3;
+        if (_x < 0) {
+          if (_x <= -0.14) {
+            return -0.14;
+          } else {
+            return _x;
+          }
+        } else {
+          if (_x >= 0.14) {
+            return 0.14;
+          } else {
+            return _x;
+          }
+        }
+      })();
+      easing.dampE(
+        groupRef.current.rotation,
+        [-x, -state.pointer.x / 5, 0],
+        0.25,
+        delta,
+      );
+    }
+  });
+
+  return <group ref={groupRef}>{children}</group>;
+};
+
+export default DeskCamera;

package.json

@@ -32,6 +32,7 @@
     "algoliasearch": "^5.25.0",
     "dayjs": "^1.11.13",
     "gsap": "^3.13.0",
+    "maath": "^0.10.8",
     "next": "15.3.2",
     "next-mdx-remote": "^5.0.0",
     "next-themes": "^0.4.6",

pnpm-lock.yaml

@@ -59,6 +59,9 @@ importers:
       gsap:
         specifier: ^3.13.0
         version: 3.13.0
+      maath:
+        specifier: ^0.10.8
+        version: 0.10.8(@types/three@0.176.0)(three@0.176.0)
       next:
         specifier: 15.3.2
         version: 15.3.2(react-dom@19.1.0(react@19.1.0))(react@19.1.0)(sass@1.89.0)