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Assets/Scripts/Core/Graph Tasks/ProcessGravity.cs

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+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using ParadoxNotion.Services;
+using UnityEngine;
+
+namespace NodeCanvas.Tasks.Actions {
+
+	[Category("Core/Movement")]
+	public class ProcessGravity : ActionTask<CharacterController>{
+		public BBParameter<float> gravityScale = 1f;
+		public BBParameter<float> gravityAcceleration = 1f;
+		public BBParameter<float> gravityMax = 8f;
+
+		private Vector3 currentVelocity;
+		private bool freezeVelocity;
+		
+		private float gravityPower;
+		//Use for initialization. This is called only once in the lifetime of the task.
+		//Return null if init was successfull. Return an error string otherwise
+		protected override string OnInit(){
+			MonoManager.current.onLateUpdate += LateUpdate;
+			return null;
+		}
+
+		//This is called once each time the task is enabled.
+		//Call EndAction() to mark the action as finished, either in success or failure.
+		//EndAction can be called from anywhere.
+		protected override void OnExecute() {
+			
+		}
+
+		//Called once per frame while the action is active.
+		protected override void OnUpdate() {
+			if (!freezeVelocity && agent.velocity != Vector3.zero){
+				currentVelocity = new Vector3(agent.velocity.x, 0f, agent.velocity.y);
+			}
+		}
+
+		void LateUpdate(){
+			if (agent.isGrounded) {
+				gravityPower = 0f;
+				currentVelocity = Vector3.zero;
+				freezeVelocity = true;
+				agent.Move(Physics.gravity * .1f * Time.deltaTime);
+				
+			} else {
+				if (currentVelocity == Vector3.zero && agent.velocity.y < 0f) {
+					freezeVelocity = false;
+				}
+
+				Debug.Log(currentVelocity);
+
+				agent.Move((Physics.gravity * gravityPower * Time.deltaTime));
+			}
+		}
+
+		//Called when the task is disabled.
+		protected override void OnStop() {
+			EndAction(true);
+		}
+
+		//Called when the task is paused.
+		protected override void OnPause() {
+			
+		}
+	}
+}