From 81952747b0ce91fa981635c2fd0be9d30250cf0a Mon Sep 17 00:00:00 2001
From: nolemretaW <contact@nolemretaw.pl>
Date: Sat, 29 Jul 2023 20:29:57 +0200
Subject: [PATCH] added a skipList parameter, release 0.3.1

---
 Chroma.Shine.Examples/Raycasting/GameCore.cs | 14 ++++++++++----
 Chroma.Shine/Chroma.Shine.csproj             |  3 ++-
 Chroma.Shine/Physics/Raycast.cs              |  6 +++++-
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/Chroma.Shine.Examples/Raycasting/GameCore.cs b/Chroma.Shine.Examples/Raycasting/GameCore.cs
index b1e5b7c..5e33e87 100644
--- a/Chroma.Shine.Examples/Raycasting/GameCore.cs
+++ b/Chroma.Shine.Examples/Raycasting/GameCore.cs
@@ -11,7 +11,7 @@ internal class GameCore : Game
     {
         private Log Log { get; } = LogManager.GetForCurrentAssembly();
         
-        private Entity _e1, _e2, _e3;
+        private Entity _e1, _e2, _e3, _e4;
         private Vector2 _mousePos = Vector2.One;
         private Color _rayOriginColor = Color.Red;
 
@@ -20,26 +20,31 @@ internal GameCore()
         {
             _e1 = new Entity { Position = new Vector2(120, 120) };
             _e1.AttachCollider(new RectangleCollider(_e1, 32, 32) { Tag = "_e1" });
-            
+
             _e2 = new Entity { Position = new Vector2(220, 120) };
             _e2.AttachCollider(new RectangleCollider(_e1, 32, 32) { Tag = "_e2" });
-            
+
             _e3 = new Entity { Position = new Vector2(320, 120) };
             _e3.AttachCollider(new CircleCollider(_e3, 32) { Tag = "_e3" });
+
+            _e4 = new Entity { Position = new Vector2(420, 120) };
+            _e4.AttachCollider(new RectangleCollider(_e1, 32, 32) { Tag = "_e4" });
         }
 
+
         protected override void Update(float delta)
         {
             _e1.Update(delta);
             _e2.Update(delta);
             _e3.Update(delta);
+            _e4.Update(delta);
         }
 
         protected override void FixedUpdate(float fixedDelta)
         {
             CollisionManager.Update(fixedDelta);
             RaycastHit hit;
-            if (Raycast.Cast(new Vector2(300, 350), Vector2.Normalize(_mousePos - new Vector2(300, 350)), out hit, Vector2.Distance(_mousePos, new Vector2(300, 350))))
+            if (Raycast.Cast(new Vector2(300, 350), Vector2.Normalize(_mousePos - new Vector2(300, 350)), out hit, Vector2.Distance(_mousePos, new Vector2(300, 350)), new []{"_e4"}))
             {
                 Log.Info($"Hit {hit.Collider.Tag} at {hit.Posiition.X}, {hit.Posiition.Y}");
                 _rayOriginColor = Color.Green;
@@ -55,6 +60,7 @@ protected override void Draw(RenderContext context)
             _e1.Draw(context);
             _e2.Draw(context);
             _e3.Draw(context);
+            _e4.Draw(context);
             context.Rectangle(ShapeMode.Fill, 300, 350, 5, 5, _rayOriginColor);
             context.Line(new Vector2(300, 350), _mousePos, Color.Red);
         }
diff --git a/Chroma.Shine/Chroma.Shine.csproj b/Chroma.Shine/Chroma.Shine.csproj
index 8a318fc..0b632a1 100644
--- a/Chroma.Shine/Chroma.Shine.csproj
+++ b/Chroma.Shine/Chroma.Shine.csproj
@@ -18,10 +18,11 @@
         <Description>Various utilities that make life easier but don't quite fit into the core of Chroma Framework.</Description>
         <PackageReadmeFile>NuGet.md</PackageReadmeFile>
         <PackageId>Chroma.Shine</PackageId>
-        <Version>0.3.0</Version>
+        <Version>0.3.1</Version>
         <Author>vddCore, nolemretaW</Author>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/Chroma-2D/Chroma.Shine</RepositoryUrl>
         <PackageTags>gamedev;engine;2d;chroma;framework;sdl;opengl;game;xna;netcore</PackageTags>
+        <releaseNotes>Added a skipTags parameter to Raycast.Cast to specify tags to skip</releaseNotes>
     </PropertyGroup>
 </Project>
diff --git a/Chroma.Shine/Physics/Raycast.cs b/Chroma.Shine/Physics/Raycast.cs
index 506cf90..f11fa72 100644
--- a/Chroma.Shine/Physics/Raycast.cs
+++ b/Chroma.Shine/Physics/Raycast.cs
@@ -1,18 +1,22 @@
 using System;
+using System.Linq;
 using System.Numerics;
 
 namespace Chroma.Physics
 {
     public static class Raycast
     {
-        public static bool Cast(Vector2 origin, Vector2 direction, out RaycastHit raycastHit, float maxDistance = 500f)
+        public static bool Cast(Vector2 origin, Vector2 direction, out RaycastHit raycastHit, float maxDistance = 500f, string[] skipTags = null)
         {
+            if (skipTags == null)
+                skipTags = new String[] { };
             Vector2 currentpos = origin;
             for (int i = 0; i < maxDistance; i++)
             {
                 currentpos += direction;
                 foreach (Collider collider in CollisionManager._colliders)
                 {
+                    if (skipTags.Contains(collider.Tag)) continue;
                     if (collider is RectangleCollider rc)
                     {
                         if (currentpos.X >= rc.Position.X &&