# ValueCurve（ロブロックス クラス）

> A sorted list of time-value pairs that define a curve. Used to animate any type of value.

- URL：https://roblox.minecraft-okinawa.com/reference/classes/ValueCurve/
- 公式：https://create.roblox.com/docs/reference/engine/classes/ValueCurve
- 受け継いでいるクラス：Instance

## プロパティ

- `ValueCurve.Length: int`：Number of keys in the value curve.
- `ValueCurve.ValueType: string`：Read-only value indicating the type held in this curve.

## メソッド

- `ValueCurve:GetKeyAtIndex(index: int): ValueCurveKey`：Returns a copy of a key at a given index.
- `ValueCurve:GetKeyIndicesAtTime(time: float): Array`：Returns the index of the last and first key of a period of time.
- `ValueCurve:GetKeys(): Array`：Returns a copy of all the keys in the ValueCurve as a Luau array of Datatype.ValueCurveKey|ValueCurveKeys.
- `ValueCurve:GetValueAtTime(time: float): Variant?`：Samples the value curve at a given time passed as argument.
- `ValueCurve:InsertKey(key: ValueCurveKey): Array`：Adds the key passed as an argument to this curve. If a key at the same time is found, it will be replaced.
- `ValueCurve:InsertKeyValue(time: float, value: Variant, Interpolation: KeyInterpolationMode): Array`：Creates a key for the given value and inserts it at the given time. If a key at the same time is found, it will be replaced.
- `ValueCurve:RemoveKeyAtIndex(startingIndex: int, count: int): int`：Removes a given number of keys starting from a given index.
- `ValueCurve:SetKeys(keys: Array): int`：Resets this curve's keys using the ValueCurveKey array passed as an argument.

英語の説明とメンバー一覧：Roblox Creator Documentation（CC BY 4.0）。日本語の解説はこのサイト独自のものです。

執筆：鈴木孝昌（現役プロジェクトマネージャー／プログラミング講師）／運営：沖縄マイクラ部 プログラミングスクール「クロスウェーブ」（https://minecraft-okinawa.com/）