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move Lerp into AnimUtils.cs

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goat 2021-07-18 19:24:33 +02:00
parent 4031a702c1
commit d9b6a05fc5
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2 changed files with 26 additions and 16 deletions
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19
Dalamud/Interface/Animation/AnimUtil.cs Normal file
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@ -0,0 +1,19 @@
using System.Numerics;
/// <summary>
/// Class providing helper functions when facilitating animations.
/// </summary>
public static class AnimUtil
{
public static float Lerp(float firstFloat, float secondFloat, float by)
{
return (firstFloat * (1 - @by)) + (secondFloat * by);
}
public static Vector2 Lerp(Vector2 firstVector, Vector2 secondVector, float by)
{
var retX = Lerp(firstVector.X, secondVector.X, by);
var retY = Lerp(firstVector.Y, secondVector.Y, by);
return new Vector2(retX, retY);
}
}

23
Dalamud/Interface/Animation/Easing.cs
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@ -4,6 +4,9 @@ using System.Numerics;
namespace Dalamud.Interface.Animation namespace Dalamud.Interface.Animation
{ {
/// <summary>
/// Base class facilitating the implementation of easing functions.
/// </summary>
public abstract class Easing public abstract class Easing
{ {
private readonly Stopwatch animationTimer = new(); private readonly Stopwatch animationTimer = new();
@ -35,17 +38,17 @@ namespace Dalamud.Interface.Animation
public Vector2 EasedPoint { get; private set; } public Vector2 EasedPoint { get; private set; }
/// <summary> /// <summary>
/// Gets the current value of the animation, from 0 to 1. /// Gets or sets the current value of the animation, from 0 to 1.
/// </summary> /// </summary>
public double Value public double Value
{ {
get => this.valueInternal; get => this.valueInternal;
set protected set
{ {
this.valueInternal = Math.Min(value, 1); this.valueInternal = Math.Min(value, 1);
if (Point1.HasValue && Point2.HasValue) if (this.Point1.HasValue && this.Point2.HasValue)
EasedPoint = Lerp(Point1.Value, Point2.Value, (float)this.valueInternal); this.EasedPoint = AnimUtil.Lerp(this.Point1.Value, this.Point2.Value, (float)this.valueInternal);
} }
} }
@ -87,17 +90,5 @@ namespace Dalamud.Interface.Animation
/// Updates the animation. /// Updates the animation.
/// </summary> /// </summary>
public abstract void Update(); public abstract void Update();
private static float Lerp(float firstFloat, float secondFloat, float by)
{
return (firstFloat * (1 - @by)) + (secondFloat * by);
}
private static Vector2 Lerp(Vector2 firstVector, Vector2 secondVector, float by)
{
var retX = Lerp(firstVector.X, secondVector.X, by);
var retY = Lerp(firstVector.Y, secondVector.Y, by);
return new Vector2(retX, retY);
}
} }
} }