Syntriax.Engine/Engine.Systems/Tween/EngineExtensions/TweenTransform2DExtensions.cs

using Syntriax.Engine.Core;

namespace Syntriax.Engine.Systems.Tween;

public static class TweenTransform2DExtensions
{
    public static ITween TweenPosition(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D targetPosition)
    {
        Vector2D initialPosition = transform2D.Position;
        return tweenManager.StartTween(duration, t => transform2D.Position = initialPosition.Lerp(targetPosition, t));
    }

    public static ITween TweenScale(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D targetScale)
    {
        Vector2D initialScale = transform2D.Scale;
        return tweenManager.StartTween(duration, t => transform2D.Scale = initialScale.Lerp(targetScale, t));
    }

    public static ITween TweenRotation(this ITransform2D transform2D, ITweenManager tweenManager, float duration, float targetRotation)
    {
        float initialRotation = transform2D.Rotation;
        return tweenManager.StartTween(duration, t => transform2D.Rotation = initialRotation.Lerp(targetRotation, t));
    }

    public static ITween TweenLocalPosition(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D targetLocalPosition)
    {
        Vector2D initialLocalPosition = transform2D.LocalPosition;
        return tweenManager.StartTween(duration, t => transform2D.LocalPosition = initialLocalPosition.Lerp(targetLocalPosition, t));
    }

    public static ITween TweenLocalScale(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D targetLocalScale)
    {
        Vector2D initialLocalScale = transform2D.LocalScale;
        return tweenManager.StartTween(duration, t => transform2D.LocalScale = initialLocalScale.Lerp(targetLocalScale, t));
    }

    public static ITween TweenLocalRotation(this ITransform2D transform2D, ITweenManager tweenManager, float duration, float targetLocalRotation)
    {
        float initialLocalRotation = transform2D.LocalRotation;
        return tweenManager.StartTween(duration, t => transform2D.LocalRotation = initialLocalRotation.Lerp(targetLocalRotation, t));
    }
    public static ITween TweenPositionAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D additivePosition)
    {
        Vector2D progressedPosition = Vector2D.Zero;
        return tweenManager.StartTween(duration, t =>
        {
            Vector2D displacement = Vector2D.Zero.Lerp(additivePosition, t) - progressedPosition;
            transform2D.Position += displacement;
            progressedPosition += displacement;
        });
    }

    public static ITween TweenScaleAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D additiveScale)
    {
        Vector2D progressedScale = Vector2D.Zero;
        return tweenManager.StartTween(duration, t =>
        {
            Vector2D displacement = Vector2D.Zero.Lerp(additiveScale, t) - progressedScale;
            transform2D.Scale += displacement;
            progressedScale += displacement;
        });
    }

    public static ITween TweenRotationAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, float additiveRotation)
    {
        float progressedRotation = 0f;
        return tweenManager.StartTween(duration, t =>
        {
            float displacement = 0f.Lerp(additiveRotation, t) - progressedRotation;
            transform2D.Rotation += displacement;
            progressedRotation += displacement;
        });
    }

    public static ITween TweenLocalPositionAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D additiveLocalPosition)
    {
        Vector2D progressedLocalPosition = Vector2D.Zero;
        return tweenManager.StartTween(duration, t =>
        {
            Vector2D displacement = Vector2D.Zero.Lerp(additiveLocalPosition, t) - progressedLocalPosition;
            transform2D.LocalPosition += displacement;
            progressedLocalPosition += displacement;
        });
    }

    public static ITween TweenLocalScaleAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, Vector2D additiveLocalScale)
    {
        Vector2D progressedLocalScale = Vector2D.Zero;
        return tweenManager.StartTween(duration, t =>
        {
            Vector2D displacement = Vector2D.Zero.Lerp(additiveLocalScale, t) - progressedLocalScale;
            transform2D.LocalScale += displacement;
            progressedLocalScale += displacement;
        });
    }

    public static ITween TweenLocalRotationAdditive(this ITransform2D transform2D, ITweenManager tweenManager, float duration, float additiveLocalRotation)
    {
        float progressedLocalRotation = 0f;
        return tweenManager.StartTween(duration, t =>
        {
            float displacement = 0f.Lerp(additiveLocalRotation, t) - progressedLocalRotation;
            transform2D.LocalRotation += displacement;
            progressedLocalRotation += displacement;
        });
    }
}