Simple Visualizer for the AreaEffector2D component in unity

AreaEffector2DVisualizer.cs

using UnityEngine;

[ExecuteAlways]
[RequireComponent(typeof(AreaEffector2D))]
public class AreaEffector2DVisualizer : MonoBehaviour
{
	public float length = 5f;
	public float arrowSize = 1f;
	public Color color = new Color(1f, .5f, 0f);
	
	private AreaEffector2D effector = null;
	
	private void OnDrawGizmos()
	{
		effector ??= GetComponent<AreaEffector2D>();
		if (effector)
		{
			Vector3 position = transform.position;
			Vector3 direction = new Vector3(Mathf.Cos(effector.forceAngle), Mathf.Sin(effector.forceAngle));
			Vector3 normal = new Vector3(direction.y, -direction.x);
			
			Gizmos.color = color;
			
			Gizmos.DrawLine(position, position + direction * length);
			Gizmos.DrawLine(position + direction * length, position + direction * (length - arrowSize) + normal * arrowSize);
			Gizmos.DrawLine(position + direction * length, position + direction * (length - arrowSize) - normal * arrowSize);
		}
	}
}