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[refactor] 컴포넌트 데이터 흐름 정리 #18

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Merged
okorion merged 1 commit into from
Aug 3, 2026
Merged

[refactor] 컴포넌트 데이터 흐름 정리 #18

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62 changes: 32 additions & 30 deletions src/components/GalaxyScene.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,11 @@ import { type ComponentRef, type RefObject, useEffect, useMemo, useRef } from 'r
import * as THREE from 'three'
import type { ActivityBucket, ActivityKind } from '../activity-data'

type ActivityPoint = {
key: string
kind: ActivityKind
color: string
position: [number, number, number]
type ActivityPointPosition = [number, number, number]

type ActivityOrbit = {
bucket: ActivityBucket
pointPositions: ActivityPointPosition[]
}

type GalaxyProps = {
Expand All @@ -34,38 +34,40 @@ const INITIAL_CAMERA = {
const CANVAS_PIXEL_RATIO: [number, number] = [1, 1.75]
const CANVAS_BACKGROUND: [string] = ['#f8fbff']

const createActivityPoint = (bucket: ActivityBucket, bucketIndex: number, index: number): ActivityPoint => {
const createActivityPointPosition = (
bucket: ActivityBucket,
bucketIndex: number,
index: number,
): ActivityPointPosition => {
const angle = (index / bucket.count) * Math.PI * 2 + bucketIndex * 0.7
const spiral = bucket.radius + index * 0.006

return {
key: `${bucket.kind}-${index}`,
kind: bucket.kind,
color: bucket.color,
position: [
Math.cos(angle) * spiral,
Math.sin(index * 1.7) * 0.22 + bucketIndex * 0.08,
Math.sin(angle) * spiral,
],
}
return [
Math.cos(angle) * spiral,
Math.sin(index * 1.7) * 0.22 + bucketIndex * 0.08,
Math.sin(angle) * spiral,
]
}

const createActivityPoints = (buckets: readonly ActivityBucket[]) =>
buckets.flatMap((bucket, bucketIndex) =>
Array.from({ length: bucket.count }, (_, index) => createActivityPoint(bucket, bucketIndex, index)),
)
const createActivityOrbits = (buckets: readonly ActivityBucket[]): ActivityOrbit[] =>
buckets.map((bucket, bucketIndex) => ({
bucket,
pointPositions: Array.from({ length: bucket.count }, (_, index) =>
createActivityPointPosition(bucket, bucketIndex, index),
),
}))

function Galaxy({ buckets, selectedKind, isRotating }: GalaxyProps) {
const groupRef = useRef<THREE.Group>(null)
const activityPoints = useMemo(() => createActivityPoints(buckets), [buckets])
const activityOrbits = useMemo(() => createActivityOrbits(buckets), [buckets])

useFrame((_, delta) => {
if (groupRef.current && isRotating) groupRef.current.rotation.y += Math.min(delta, 0.1) * 0.08
})

return (
<group ref={groupRef}>
{buckets.map((bucket) => {
{activityOrbits.map(({ bucket }) => {
const isSelected = bucket.kind === selectedKind

return (
Expand All @@ -75,23 +77,23 @@ function Galaxy({ buckets, selectedKind, isRotating }: GalaxyProps) {
</mesh>
)
})}
{activityPoints.map((point) => {
const isSelected = point.kind === selectedKind
{activityOrbits.flatMap(({ bucket, pointPositions }) => {
const isSelected = bucket.kind === selectedKind

return (
<mesh key={point.key} position={point.position} scale={isSelected ? 1.38 : 0.82}>
return pointPositions.map((position, index) => (
<mesh key={`${bucket.kind}-${index}`} position={position} scale={isSelected ? 1.38 : 0.82}>
<sphereGeometry args={[0.042, 12, 12]} />
<meshStandardMaterial
color={point.color}
emissive={point.color}
color={bucket.color}
emissive={bucket.color}
emissiveIntensity={isSelected ? 0.78 : 0.32}
transparent
opacity={isSelected ? 1 : 0.56}
/>
</mesh>
)
))
})}
{buckets.map((bucket, index) => (
{activityOrbits.map(({ bucket }, index) => (
<Html key={bucket.kind} position={[bucket.radius + 0.2, 0.48 + index * 0.18, 0]}>
<span
className={`orbit-label${bucket.kind === selectedKind ? ' selected' : ''}`}
Expand Down
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