Overlap Point 2D#

using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Pool;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]
    
    [Title("Overlap Point 2D")]
    [Category("Physics 2D/Overlap Point")]
    
    [Description("Returns all 2D colliders that overlap with a specific point")]
    [Image(typeof(IconVector2), ColorTheme.Type.Lime, typeof(BadgePhysics))]
    
    [Parameter("Point", "The coordinate point to check")]
    [Parameter("Layer Mask", "Filter to check objects only on specified layers")]
    [Parameter("Use Triggers", "Whether to check for Colliders marked as triggers or not")]
    
    [Keywords("Inside", "Point", "Position", "Location")]
    
    [Serializable]
    public class TypeCollectionGameObjectsPhysics2DOverlapPoint : TypeCollectionGameObjects
    {
        private static readonly Color GIZMO = new Color(0f, 1f, 0f, 0.25f);
        
        [SerializeField] private GetVector2 m_Point = new GetVector2();
        
        [SerializeField] private LayerMask m_LayerMask = Physics2D.DefaultRaycastLayers;
        [SerializeField] private GetBool m_UseTriggers = new GetBool(false);
        
        public override void Get(Args args, List<GameObject> values)
        {
            Vector2 point = this.m_Point.Get(args);
            
            List<Collider2D> colliders = ListPool<Collider2D>.Get();
            
            int numColliders = Physics2D.OverlapPoint(
                point,
                new ContactFilter2D
                {
                    useLayerMask = true,
                    layerMask = this.m_LayerMask,
                    useTriggers = this.m_UseTriggers.Get(args)
                },
                colliders
            );
            
            GizmosManager.Sphere(point, Quaternion.identity, 0.01f, GIZMO, GizmoMode.Outline, 0.25f);
            
            values.Clear();
            for (int i = 0; i < numColliders; ++i)
            {
                Collider2D collider = colliders[i];
                if (collider != null) values.Add(collider.gameObject);
            }
            
            ListPool<Collider2D>.Release(colliders);
        }

        public override string ToString()
        {
            return $"Overlap Point at {this.m_Point}";
        }
        
        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}