useProjection

类别

@Math

导出体积

196 B

依赖包

@vueuse/math

上次更改

4 months ago

示例

源码

Projection from [0, 10] to [10, 100]

Input: 0

Output: 10

用法

import { useProjection } from '@vueuse/math'

const input = ref(0)
const projected = useProjection(input, [0, 10], [0, 100])

input.value = 5 // projected.value === 50
input.value = 10 // projected.value === 100

类型声明

typescript

/**
 * 从一个域映射到另一个域的响应式数值投影。
 *
 * @see https://vueuse.org/useProjection
 */
export declare function useProjection(
  input: MaybeRefOrGetter<number>,
  fromDomain: MaybeRefOrGetter<readonly [number, number]>,
  toDomain: MaybeRefOrGetter<readonly [number, number]>,
  projector?: ProjectorFunction<number, number>,
): ComputedRef<number>