feat(home): 重构抽奖逻辑并优化初始化流程 Feature #91

src/views/Home/utils/table.ts

@@ -0,0 +1,131 @@
+import type { IPersonConfig } from '@/types/storeType'
+import confetti from 'canvas-confetti'
+import { Object3D, Vector3 } from 'three'
+import { filterData } from '@/utils'
+/**
+ * @description 初始化表格数据
+ * @param0 allPersonList 所有人的列表
+ * @param1 rowCount 行数，默认是7行
+ * @returns 表格数据
+ */
+export function initTableData({ allPersonList, rowCount }: { allPersonList: IPersonConfig[], rowCount: number }): IPersonConfig[] {
+    let tableData: IPersonConfig[] = []
+    if (allPersonList.length <= 0) {
+        return []
+    }
+    const totalCount = rowCount * 7
+    const allPersonLength = allPersonList.length
+    if (allPersonLength < totalCount) {
+        tableData = Array.from({ length: totalCount }, () => JSON.parse(JSON.stringify(allPersonList))).flat()
+    }
+    else {
+        tableData = allPersonList.slice(0, totalCount)
+    }
+    tableData = filterData(tableData.slice(0, totalCount), rowCount)
+    return tableData
+}
+
+/**
+ * @description 横铺图形：处理数据，把每个卡片在界面的位置写入
+ * @param0 tableData 表格数据
+ * @param1 rowCount 每行有多少个元素
+ * @param2 cardSize 卡片的大小
+ * @returns  Object3D[]
+ */
+export function createTableVertices({ tableData, rowCount, cardSize }: { tableData: IPersonConfig[], rowCount: number, cardSize: { width: number, height: number } }): Object3D[] {
+    const tableLen = tableData.length
+    const objects: Object3D[] = []
+    for (let i = 0; i < tableLen; i++) {
+        const object = new Object3D()
+
+        object.position.x = tableData[i].x * (cardSize.width + 40) - rowCount * 90
+        object.position.y = -tableData[i].y * (cardSize.height + 20) + 1000
+        object.position.z = 0
+        objects.push(object)
+        // targets.table.push(object)
+    }
+    return objects
+}
+/**
+ * @description 创建球体
+ * @param0 objectsLength 物体的个数
+ * @returns Object3D[]
+ */
+export function createSphereVertices({ objectsLength }: { objectsLength: number }): Object3D[] {
+    let i = 0
+    const resObjects: Object3D[] = []
+    // const objLength = objects.value.length
+    const vector = new Vector3()
+
+    for (; i < objectsLength; ++i) {
+        const phi = Math.acos(-1 + (2 * i) / objectsLength)
+        const theta = Math.sqrt(objectsLength * Math.PI) * phi
+        const object = new Object3D()
+
+        object.position.x = 800 * Math.cos(theta) * Math.sin(phi)
+        object.position.y = 800 * Math.sin(theta) * Math.sin(phi)
+        object.position.z = -800 * Math.cos(phi)
+
+        // rotation object
+        vector.copy(object.position).multiplyScalar(2)
+        object.lookAt(vector)
+        resObjects.push(object)
+    }
+    return resObjects
+}
+
+export function confettiFire() {
+    const duration = 3 * 1000
+    const end = Date.now() + duration;
+    (function frame() {
+        // launch a few confetti from the left edge
+        confetti({
+            particleCount: 2,
+            angle: 60,
+            spread: 55,
+            origin: { x: 0 },
+        })
+        // and launch a few from the right edge
+        confetti({
+            particleCount: 2,
+            angle: 120,
+            spread: 55,
+            origin: { x: 1 },
+        })
+
+        // keep going until we are out of time
+        if (Date.now() < end) {
+            requestAnimationFrame(frame)
+        }
+    }())
+    centerFire(0.25, {
+        spread: 26,
+        startVelocity: 55,
+    })
+    centerFire(0.2, {
+        spread: 60,
+    })
+    centerFire(0.35, {
+        spread: 100,
+        decay: 0.91,
+        scalar: 0.8,
+    })
+    centerFire(0.1, {
+        spread: 120,
+        startVelocity: 25,
+        decay: 0.92,
+        scalar: 1.2,
+    })
+    centerFire(0.1, {
+        spread: 120,
+        startVelocity: 45,
+    })
+}
+function centerFire(particleRatio: number, opts: any) {
+    const count = 200
+    confetti({
+        origin: { y: 0.7 },
+        ...opts,
+        particleCount: Math.floor(count * particleRatio),
+    })
+}