Test.cs

class TestCollider : Component, IUpdatable
{
    public override void onAddedToEntity()
    {
        entity.addCollider<BoxCollider>(new BoxCollider(100,100));
    }

    public void update()
    {
        var bottomLeft = new Vector2(entity.colliders.First().bounds.left, entity.colliders.First().bounds.bottom);;

        RaycastHit bottomHit = Physics.linecast(bottomLeft, bottomLeft + (Vector2.UnitY * 100));
        Debug.drawLine(bottomLeft, bottomLeft + (Vector2.UnitY * 100), Color.Red);

        if (bottomHit.collider != null)
        {
            Debug.log($"hit distance bottom: {bottomHit.distance}");
        }


        var topRight = new Vector2(entity.colliders.First().bounds.right, entity.colliders.First().bounds.top);

        RaycastHit rightHit = Physics.linecast(topRight, topRight + (Vector2.UnitX * 100));
        Debug.drawLine(topRight, topRight + (Vector2.UnitX * 100), Color.Red);

        if (rightHit.collider != null)
        {
            Debug.log($"hit distance right: {rightHit.distance}");
        }



        var position = Input.mousePosition;
        if (Input.leftMouseButtonDown)
            transform.position = position;
    }

}



/// In the scene file

// the raycaster
createEntity("collider-1", new Vector2(100,100)).addComponent<TestCollider>(new TestCollider());

// the obstacle
createEntity("box", new Vector2(300, 300)).addCollider<BoxCollider>(new BoxCollider(100, 100));