From 4436d14f9a4259c03d86d1de5987cae0ecd4ef18 Mon Sep 17 00:00:00 2001
From: Ullrich Praetz <ullrich@praetz.de>
Date: Fri, 9 Aug 2024 11:47:38 +0200
Subject: [PATCH] Tests - add BoostedQuery() example

---
 src/Tests/ECS/Examples/HelloWorld.cs   |  4 ++--
 src/Tests/ECS/Examples/Optimization.cs | 21 ++++++++++++++++++++-
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/Tests/ECS/Examples/HelloWorld.cs b/src/Tests/ECS/Examples/HelloWorld.cs
index 822b8a09..e5a6be59 100644
--- a/src/Tests/ECS/Examples/HelloWorld.cs
+++ b/src/Tests/ECS/Examples/HelloWorld.cs
@@ -5,13 +5,13 @@
 // ReSharper disable UnusedParameter.Local
 // ReSharper disable CheckNamespace
 namespace Tests.Examples {
+    
+public struct Velocity : IComponent { public Vector3 value; }
 
 // See: https://github.com/friflo/Friflo.Engine.ECS#-examples
 public static class HelloWorldExample
 {
 
-public struct Velocity : IComponent { public Vector3 value; }
-
 [Test]
 public static void HelloWorld()
 {
diff --git a/src/Tests/ECS/Examples/Optimization.cs b/src/Tests/ECS/Examples/Optimization.cs
index f72eb6e3..2b0ff05f 100644
--- a/src/Tests/ECS/Examples/Optimization.cs
+++ b/src/Tests/ECS/Examples/Optimization.cs
@@ -1,13 +1,14 @@
 using System;
+using System.Numerics;
 using Friflo.Engine.ECS;
 using NUnit.Framework;
 using static Tests.Examples.General;
 
 #if !UNITY_5_3_OR_NEWER
 using System.Runtime.Intrinsics;
-
 #endif
 
+// ReSharper disable ArrangeTypeMemberModifiers
 // ReSharper disable UnusedVariable
 // ReSharper disable UnusedParameter.Local
 // ReSharper disable CheckNamespace
@@ -17,6 +18,24 @@ namespace Tests.Examples {
 public static class Optimization
 {
 
+[Test]
+public static void BoostedQuery()
+{
+    var store   = new EntityStore();
+    for (int n = 0; n < 100; n++) {
+        store.CreateEntity(new Position(n, 0, 0), new Velocity{ value = new Vector3(0, n, 0)});
+    }
+    var query = store.Query<Position, Velocity>();
+    query.Each(new MoveEach()); // requires https://www.nuget.org/packages/Friflo.Engine.ECS.Boost
+}
+
+struct MoveEach : IEach<Position, Velocity>
+{
+    public void Execute(ref Position position, ref Velocity velocity) {
+        position.value += velocity.value;
+    }
+} 
+
 [Test]
 public static void EnumerateQueryChunks()
 {