Added system to speed ball up over time

DOTS_Pong/Assets/Ball.prefab

   - component: {fileID: 3563139634143517313}
   - component: {fileID: 710304911809870656}
   - component: {fileID: -8228592243626107727}
+  - component: {fileID: 7136671490792183030}
   m_Layer: 0
   m_Name: Ball
   m_TagString: Untagged
   m_Script: {fileID: 11500000, guid: 8c7a07eafff724c4fbd9eaa76c212dd8, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+--- !u!114 &7136671490792183030
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6887475011426345520}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f3a346d13eb3ccd4e91ee975f89ba2b7, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  increasePerSecond: 0.35
+  totalMultiplier: 0

DOTS_Pong/Assets/Paddle.prefab

   m_Name: 
   m_EditorClassIdentifier: 
   direction: 0
-  speed: 3
+  speed: 4

DOTS_Pong/Assets/Scenes/Pong.unity

     type: 3}
   xBound: 8.5
   yBound: 3
-  ballSpeed: 6
+  ballSpeed: 4
   respawnDelay: 2
   playerScores: 
   mainText: {fileID: 182749420}

DOTS_Pong/Assets/Scripts/GameManager.cs

 	void SpawnBall()
 	{
 		Entity ball = manager.Instantiate(ballEntityPrefab);
-
-		manager.AddComponent(ball, typeof(BallTag));
-
+	
 		Vector3 dir = new Vector3(UnityEngine.Random.Range(0, 2) == 0 ? -1 : 1, UnityEngine.Random.Range(-.5f, .5f), 0f).normalized;
 		Vector3 speed = dir * ballSpeed;
 

DOTS_Pong/Assets/Scripts/Systems/PaddleMovementSystem.cs

 using Unity.Jobs;
 using Unity.Mathematics;
 using Unity.Transforms;
-using UnityEngine;
 
 public class PaddleMovementSystem : JobComponentSystem
 {

DOTS_Pong/Assets/Scripts/Data Components/SpeedIncreaseOverTimeData.cs

+using Unity.Entities;
+
+[GenerateAuthoringComponent]
+public struct SpeedIncreaseOverTimeData : IComponentData
+{
+	public float increasePerSecond;
+}

DOTS_Pong/Assets/Scripts/Data Components/SpeedIncreaseOverTimeData.cs.meta

+fileFormatVersion: 2
+guid: f3a346d13eb3ccd4e91ee975f89ba2b7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

DOTS_Pong/Assets/Scripts/Systems/IncreaseVelocityOverTimeSystem.cs

+using Unity.Entities;
+using Unity.Jobs;
+using Unity.Mathematics;
+using Unity.Physics;
+
+public class IncreaseVelocityOverTimeSystem : JobComponentSystem
+{
+	protected override JobHandle OnUpdate(JobHandle inputDeps)
+	{
+		float deltaTime = Time.DeltaTime;
+		
+		JobHandle handle = Entities
+			.WithReadOnly(deltaTime)
+			.ForEach((ref SpeedIncreaseOverTimeData data, ref PhysicsVelocity vel) => 
+		{
+			float modifier = data.increasePerSecond * deltaTime;
+			float3 newVel = vel.Linear;
+
+			if (newVel.x > 0)
+				newVel.x += modifier;
+			else
+				newVel.x -= modifier;
+
+			if (newVel.y > 0)
+				newVel.y += modifier;
+			else
+				newVel.y -= modifier;
+
+			vel.Linear = newVel;
+
+		}).Schedule(inputDeps);
+
+		return handle;
+	}
+}

DOTS_Pong/Assets/Scripts/Systems/IncreaseVelocityOverTimeSystem.cs.meta

+fileFormatVersion: 2
+guid: 3c528c64cb3abed48b4f7e8efa84addf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: