Initial commit

Author: toinfiniityandbeyond

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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+/[Ll]ibrary/
+/[Tt]emp/
+/[Oo]bj/
+/[Bb]uild/
+/[Bb]uilds/
+
+# Binaries and custom/local-only folders I don't want synced
+Assets/OtherAssets/
+Assets/Plugins/
+Assets/Standard Assets/
+Assets/AssetStoreTools/
+
+# JetBrains Rider cache directory ?
+.idea
+
+# Visual Studio 2015 cache directory
+/.vs/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+
+# Unity3D generated meta files
+*.pidb.meta
+
+# Unity3D Generated File On Crash Reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.unitypackage
+
+# Potential OS generated files
+.DS_Store*
+._*
+.Spotlight-V100
+.Trashes
+[Tt]humbs.db

Assets/ECS SpriteRenderer.meta

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+using Unity.Entities;
+using Unity.Mathematics;
+using Unity.Transforms2D;
+using UnityEngine;
+
+//Just gives the animals a little movement as an example
+public class EntityMovementSystem : ComponentSystem 
+{
+	[Inject] private Data data;
+	
+	protected override void OnUpdate()
+	{
+		var dt = Time.deltaTime;
+
+		for (var index = 0; index < data.Length; ++index)
+		{
+			var position = data.Position[index].Value;
+			var heading = data.Heading[index].Value;
+
+			float wobbleX = Mathf.PerlinNoise(position.x, position.y) - 0.5f;
+			float wobbleY = Mathf.PerlinNoise(position.y, position.x) - 0.5f;
+			position += dt * new float2(wobbleX, wobbleY);
+			
+			data.Position[index] = new Position2D {Value = position};
+			data.Heading[index] = new Heading2D {Value = heading};
+		}
+	}
+
+	public struct Data
+	{
+		public int Length;
+		public ComponentDataArray<Position2D> Position;
+		public ComponentDataArray<Heading2D> Heading;
+	}
+}