[bugfix] Make FoodCollector heuristic playable (#4147)

Ervin T · web-flow · commit 5ab907c6c0c9 · 2020-06-23T10:15:16.000-07:00
* Make FoodCollector heuristic playable

* Update changelog
diff --git a/Project/Assets/ML-Agents/Examples/FoodCollector/Scripts/FoodCollectorAgent.cs b/Project/Assets/ML-Agents/Examples/FoodCollector/Scripts/FoodCollectorAgent.cs
@@ -209,6 +209,9 @@ public override void OnActionReceived(float[] vectorAction)
 
     public override void Heuristic(float[] actionsOut)
     {
+        actionsOut[0] = 0f;
+        actionsOut[1] = 0f;
+        actionsOut[2] = 0f;
         if (Input.GetKey(KeyCode.D))
         {
             actionsOut[2] = 2f;
diff --git a/com.unity.ml-agents/CHANGELOG.md b/com.unity.ml-agents/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to
 - The Barracuda dependency was upgraded to 1.0.0 (#4118)
 #### ml-agents / ml-agents-envs / gym-unity (Python)
 - Added new Google Colab notebooks to show how to use `UnityEnvironment'. (#4117)
+- Fixed issue with FoodCollector when playing with keyboard. (#4147)
 
 ### Bug Fixes
 #### com.unity.ml-agents (C#)

Original file line number	Diff line number	Diff line change
`@@ -209,6 +209,9 @@ public override void OnActionReceived(float[] vectorAction)`
`209`	`209`
`210`	`210`	`public override void Heuristic(float[] actionsOut)`
`211`	`211`	`{`
	`212`	`+ actionsOut[0] = 0f;`
	`213`	`+ actionsOut[1] = 0f;`
	`214`	`+ actionsOut[2] = 0f;`
`212`	`215`	`if (Input.GetKey(KeyCode.D))`
`213`	`216`	`{`
`214`	`217`	`actionsOut[2] = 2f;`