feat(2d-nds): animation to and from gallery

app/components/NDS2D.vue

@@ -55,6 +55,17 @@ const ndsScale = computed(() => {
   return Math.min(scaleX, scaleY);
 });
 
+const gallery = useGalleryStore();
+const TOP_SCREEN_OFFSET = 170;
+
+const zoomStyle = computed(() => {
+  const scale = ndsScale.value * gallery.zoom.scale;
+  if (scale === 1) return { scale: ndsScale.value };
+
+  const y = TOP_SCREEN_OFFSET * ndsScale.value * (gallery.zoom.scale - 1);
+  return { transform: `translateY(${y}px) scale(${scale})` };
+});
+
 watch(
   () => app.hintsVisible,
   async (show) => {
@@ -75,13 +86,11 @@ watch(
     }
   },
 );
-
-defineExpose({ ndsScale });
 </script>
 
 <template>
   <div class="nds2d-container">
-    <div class="nds2d" :style="{ scale: ndsScale }">
+    <div class="nds2d" :style="zoomStyle">
       <div class="nds2d-top-screen">
         <div class="nds2d-speaker-hole nds2d-sh1"></div>
         <div class="nds2d-speaker-hole nds2d-sh2"></div>
@@ -204,6 +213,7 @@ defineExpose({ ndsScale });
   align-items: center;
   text-align: center;
   background: #181818;
+  overflow: hidden;
 }
 
 .nds2d {

app/stores/gallery.ts

@@ -2,16 +2,22 @@ import gsap from "gsap";
 import * as THREE from "three";
 
 const ANIMATION = {
+  FADE_DURATION: 1,
+  FADE_CAMERA_OVERLAP: 0.9,
+  NAVIGATE_DELAY: 3150,
+
+  // 3D zoom
   NDS_CAMERA_POSITION: new THREE.Vector3(0, 14, 10),
   NDS_CAMERA_ROTATION: new THREE.Euler(THREE.MathUtils.degToRad(-55), 0, 0),
   GALLERY_CAMERA_POSITION: new THREE.Vector3(0, 4.5, -3),
   GALLERY_CAMERA_ROTATION: new THREE.Euler(THREE.MathUtils.degToRad(-62), 0, 0),
-
   CAMERA_DURATION: 3,
   CAMERA_ROTATION_OVERLAP: 0.1,
-  FADE_DURATION: 1,
-  FADE_CAMERA_OVERLAP: 0.9,
-  NAVIGATE_DELAY: 3150,
+
+  // 2D zoom
+  ZOOM_SCALE: 6,
+  ZOOM_DURATION: 3,
+  ZOOM_EASE: "power2.inOut",
 };
 
 export const useGalleryStore = defineStore("gallery", {
@@ -24,6 +30,10 @@ export const useGalleryStore = defineStore("gallery", {
       fadeOpacity: 1,
     },
 
+    zoom: {
+      scale: 1,
+    },
+
     isIntro: true,
     isOutro: false,
     shouldAnimateOutro: false,
@@ -37,9 +47,8 @@ export const useGalleryStore = defineStore("gallery", {
       const app = useAppStore();
       app.disallowHints();
 
-      // Intro: Fade starts first (at 0), camera starts after with overlap
-      const cameraDelay =
-        ANIMATION.FADE_DURATION - ANIMATION.FADE_CAMERA_OVERLAP;
+      // Intro: Fade starts first (at 0), camera/zoom starts after with overlap
+      const zoomDelay = ANIMATION.FADE_DURATION - ANIMATION.FADE_CAMERA_OVERLAP;
 
       gsap.fromTo(
         this.intro,
@@ -65,8 +74,8 @@ export const useGalleryStore = defineStore("gallery", {
             y: ANIMATION.GALLERY_CAMERA_POSITION.y,
             z: ANIMATION.GALLERY_CAMERA_POSITION.z,
             duration: ANIMATION.CAMERA_DURATION,
-            delay: cameraDelay,
-            ease: "power2.inOut",
+            delay: zoomDelay,
+            ease: ANIMATION.ZOOM_EASE,
           },
         );
 
@@ -84,8 +93,19 @@ export const useGalleryStore = defineStore("gallery", {
             duration:
               ANIMATION.CAMERA_DURATION *
               (1 - ANIMATION.CAMERA_ROTATION_OVERLAP),
-            delay: cameraDelay,
-            ease: "power2.inOut",
+            delay: zoomDelay,
+            ease: ANIMATION.ZOOM_EASE,
+          },
+        );
+      } else {
+        gsap.fromTo(
+          this.zoom,
+          { scale: 1 },
+          {
+            scale: ANIMATION.ZOOM_SCALE,
+            duration: ANIMATION.ZOOM_DURATION,
+            delay: zoomDelay,
+            ease: ANIMATION.ZOOM_EASE,
           },
         );
       }
@@ -102,7 +122,7 @@ export const useGalleryStore = defineStore("gallery", {
 
       const app = useAppStore();
 
-      // Outro: Camera starts first (at 0), fade starts after with overlap
+      // Outro: Camera/zoom starts first (at 0), fade starts after with overlap
       const fadeDelay =
         ANIMATION.CAMERA_DURATION - ANIMATION.FADE_CAMERA_OVERLAP;
 
@@ -120,7 +140,7 @@ export const useGalleryStore = defineStore("gallery", {
             z: ANIMATION.NDS_CAMERA_POSITION.z,
             duration: ANIMATION.CAMERA_DURATION,
             delay: 0,
-            ease: "power2.inOut",
+            ease: ANIMATION.ZOOM_EASE,
           },
         );
 
@@ -139,7 +159,18 @@ export const useGalleryStore = defineStore("gallery", {
               ANIMATION.CAMERA_DURATION *
               (1 - ANIMATION.CAMERA_ROTATION_OVERLAP),
             delay: 0,
-            ease: "power2.inOut",
+            ease: ANIMATION.ZOOM_EASE,
+          },
+        );
+      } else {
+        gsap.fromTo(
+          this.zoom,
+          { scale: ANIMATION.ZOOM_SCALE },
+          {
+            scale: 1,
+            duration: ANIMATION.ZOOM_DURATION,
+            delay: 0,
+            ease: ANIMATION.ZOOM_EASE,
           },
         );
       }