39 lines
1.1 KiB
C#
39 lines
1.1 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace TJAPlayer3.Animations
|
|
{
|
|
/// <summary>
|
|
/// イーズインを行うクラス。
|
|
/// </summary>
|
|
class EaseIn : Animator
|
|
{
|
|
/// <summary>
|
|
/// イーズインを初期化します。
|
|
/// </summary>
|
|
/// <param name="startPoint">始点。</param>
|
|
/// <param name="endPoint">終点。</param>
|
|
/// <param name="timeMs">イージングにかける時間。</param>
|
|
public EaseIn(int startPoint, int endPoint, int timeMs) : base(0, timeMs, 1, false)
|
|
{
|
|
StartPoint = startPoint;
|
|
EndPoint = endPoint;
|
|
Sa = EndPoint - StartPoint;
|
|
TimeMs = timeMs;
|
|
}
|
|
|
|
public override object GetAnimation()
|
|
{
|
|
var persent = Counter.n現在の値 / (double)TimeMs;
|
|
return ((double)Sa * persent * persent * persent) + StartPoint;
|
|
}
|
|
|
|
private readonly int StartPoint;
|
|
private readonly int EndPoint;
|
|
private readonly int Sa;
|
|
private readonly int TimeMs;
|
|
}
|
|
}
|