Engine-Pong/Game/Behaviours/ShapeAABBBehaviour.cs

using Microsoft.Xna.Framework;

using Apos.Shapes;

using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
using Syntriax.Engine.Input;
using Syntriax.Engine.Physics2D.Abstract;
using Syntriax.Engine.Physics2D.Primitives;

namespace Pong.Behaviours;

public class ShapeAABBBehaviour : BehaviourOverride, IDisplayableShape
{
    private IShapeCollider2D? shapeCollider = null;

    public ShapeAABBBehaviour() { }
    public ShapeAABBBehaviour(float Thickness) { this.Thickness = Thickness; }
    public ShapeAABBBehaviour(Color color) { Color = color; }
    public ShapeAABBBehaviour(Color color, float Thickness) { this.Thickness = Thickness; Color = color; }

    public Color Color { get; set; } = Color.White;
    public float Thickness { get; set; } = .5f;
    public bool display = true;

    protected override void OnFirstActiveFrame()
    {
        BehaviourController.TryGetBehaviour(out shapeCollider);

        if (BehaviourController.TryGetBehaviour(out IButtonInputs<Microsoft.Xna.Framework.Input.Keys>? keys))
            keys.RegisterOnPress(Microsoft.Xna.Framework.Input.Keys.D, (_1, _2) => display = !display);
    }

    public void Draw(ShapeBatch shapeBatch)
    {
        if (!display)
            return;

        if (shapeCollider is null)
            return;

        AABB aabb = AABB.FromVectors(shapeCollider.ShapeWorld);

        shapeBatch.BorderCircle(aabb.Center.ToDisplayVector2(), 7.5f, Color.Beige);

        shapeBatch.DrawRectangle(aabb.Center.ApplyDisplayScale().Subtract(aabb.SizeHalf).ToVector2(), aabb.Size.ToVector2(), Color.Transparent, Color.Blue);
    }
}