Syntriax.Engine/Engine.Physics2D/Collider2DShapeBehaviour.cs

using System;

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

namespace Syntriax.Engine.Physics2D;

public class Collider2DShapeBehaviour : BehaviourOverride, IShapeCollider2D
{
    public Action<ICollider2D, ICollider2D>? OnCollisionPreResolve { get; set; } = null;
    public Action<ICollider2D, ICollider2D>? OnCollisionResolved { get; set; } = null;


    public Shape ShapeWorld => _shapeWorld;
    public Shape ShapeLocal { get; set; } = new([new(1f, 1f), new(-1f, 1f), new(-1f, -1f), new(1f, -1f)]);
    public IRigidBody2D? RigidBody2D { get; set; } = null;

    protected Shape _shapeWorld = new([new(1f, 1f), new(-1f, 1f), new(-1f, -1f), new(1f, -1f)]);

    ITransform IAssignableTransform.Transform => Transform;
    Action<IAssignableTransform>? IAssignableTransform.OnTransformAssigned { get => GameObject.OnTransformAssigned; set => GameObject.OnTransformAssigned = value; }
    bool IAssignableTransform.Assign(ITransform transform) => GameObject.Assign(transform);

    public virtual void Recalculate() => Transform.TransformShape(ShapeLocal, ref _shapeWorld);
}