From 00dae1bd426d892dff73a50f1c505afd1ac00a90 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 8 Oct 2020 09:50:33 +0800
Subject: +init

---
 .../EventSystem/Raycasters/Physics2DRaycaster.cs   | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/Physics2DRaycaster.cs

(limited to 'Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/Physics2DRaycaster.cs')

diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/Physics2DRaycaster.cs b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/Physics2DRaycaster.cs
new file mode 100644
index 0000000..783cf95
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/EventSystem/Raycasters/Physics2DRaycaster.cs
@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using UnityEngine.UI;
+
+namespace UnityEngine.EventSystems
+{
+    /// <summary>
+    /// Simple event system using physics raycasts.
+    /// </summary>
+    [AddComponentMenu("Event/Physics 2D Raycaster")]
+    [RequireComponent(typeof(Camera))]
+    public class Physics2DRaycaster : PhysicsRaycaster
+    {
+        protected Physics2DRaycaster()
+        {}
+
+        public override void Raycast(PointerEventData eventData, List<RaycastResult> resultAppendList)
+        {
+            if (eventCamera == null)
+                return;
+
+            Ray ray;
+            float distanceToClipPlane;
+            ComputeRayAndDistance(eventData, out ray, out distanceToClipPlane);
+
+            if (ReflectionMethodsCache.Singleton.getRayIntersectionAll == null)
+                return;
+
+            var hits = ReflectionMethodsCache.Singleton.getRayIntersectionAll(ray, distanceToClipPlane, finalEventMask);
+
+            if (hits.Length != 0)
+            {
+                for (int b = 0, bmax = hits.Length; b < bmax; ++b)
+                {
+                    var sr = hits[b].collider.gameObject.GetComponent<SpriteRenderer>();
+
+                    var result = new RaycastResult
+                    {
+                        gameObject = hits[b].collider.gameObject,
+                        module = this,
+                        distance = Vector3.Distance(eventCamera.transform.position, hits[b].point),
+                        worldPosition = hits[b].point,
+                        worldNormal = hits[b].normal,
+                        screenPosition = eventData.position,
+                        index = resultAppendList.Count,
+                        sortingLayer =  sr != null ? sr.sortingLayerID : 0,
+                        sortingOrder = sr != null ? sr.sortingOrder : 0
+                    };
+                    resultAppendList.Add(result);
+                }
+            }
+        }
+    }
+}
-- 
cgit v1.1-26-g67d0