Forum Unity3D-France

Code : Tout sélectionner

// NewSeekSteer.cs
using UnityEngine;
using System.Collections;

public class NewSeekSteer : MonoBehaviour {
	public Transform[] waypoints;
	public float waypointRayonDetection = 1.5f;

	public bool moveMe  = true;
	public Transform myTarget;
	[Range (1,10)] public int delaiReaction = 10;           // delai du "temps reaction" du perso
	[Range (20.0f,180.0f)] public float AngleDeVue = 90.0f; // Angle de vu. 20 à 180 degrés
	[Range (1.0f ,200.0f)] public float DistanceDeVue = 100.0f;
	private int timeReaction = 0; 


	public float speed    = 2.0f; // Vitesse de progression
	public float rotSpeed = 2.0f; // Vitesse de rotation

	private int targetwaypoint;
	private Transform xform;
	private Vector3 TargetDir      = new Vector3(0.0f,0.0f, 0.0f);
	private float DetectAngle      = 0.0f;
	private float waypointDistance = 1.0f;
	private bool seeYou = false;
//	private Rigidbody rigBody;

	protected void Start() {
		//rigBody = GetComponent<Rigidbody>();
		xform = transform;
		if(waypoints.Length <= 0){
			Debug.Log("Pas de waypoints");
			enabled = false; // déactivation du script
		}
		targetwaypoint = 0;
	}

    protected void FixedUpdate()
	{

		if(waypoints.Length <= 0) return; // pas de WP
		if (!moveMe) return;

		timeReaction++;
		if (timeReaction > delaiReaction) // en plus d'ajouter un temps de reaction au perso , permet de reduire le nombre de calculs effectués
		{
			TargetDir = waypoints[targetwaypoint].position - xform.position;
			//TargetDir.y = 0.0f; // peut être figé !!!
			TargetDir = Vector3.RotateTowards( xform.forward, TargetDir, rotSpeed * Time.fixedDeltaTime, 0.0f );
			// version Transform !!! *********************************************************************
			xform.rotation = Quaternion.LookRotation(TargetDir);
			// version Physic !!!! ***********************************************************************
			//rigBody.MoveRotation(Quaternion.LookRotation(TargetDir));
		
			// Changement de WayPoint *******************************************************************************
			waypointDistance = Vector3.Distance(xform.position, waypoints[targetwaypoint].position);
			if(waypointDistance <= waypointRayonDetection)
			{
				targetwaypoint++;
				if(targetwaypoint >= waypoints.Length) targetwaypoint = 0;
				//targetwaypoint = (targetwaypoint + 1) % waypoints.Length;
			}
			// Changement de WayPoint *******************************************************************************

			// cible en vue?! ***************************************************************************************
			seeYou = false;
			if ( DistanceDeVue > Vector3.Distance(xform.position, myTarget.position) ) // Bonne distance
			{
				DetectAngle = 1.0f - Vector3.Dot( xform.forward, ( myTarget.position - xform.position ).normalized);
				if (DetectAngle < AngleDeVue / 2.0f * 0.0111f) // Bon angle de vue
				{
					if (!Physics.Linecast( xform.position, myTarget.position )) seeYou = true; // Pas d'obstacle
				}
			}
			// cible en vue?! ***************************************************************************************
			timeReaction = 0;
		}
		xform.position = xform.position + xform.forward * Time.fixedDeltaTime * speed; // version transform
		//rigBody.MovePosition(xform.position + xform.forward * Time.fixedDeltaTime * speed ); // version physic
	}

	// draws red line from waypoint to waypoint
	public void OnDrawGizmos() {
		Gizmos.color = Color.red;
		if(waypoints == null) return;
		for(int i = 0; i < waypoints.Length; i++){
			Vector3 pos = waypoints[i].position;
			if(i > 0){
				Vector3 prev = waypoints[i-1].position;
				Gizmos.DrawLine(prev,pos);
			}
		}
		Gizmos.DrawLine(waypoints[0].position , waypoints[waypoints.Length-1].position);
		// ligne entre NPC et Cible
		if (seeYou)	{
			Gizmos.color = Color.white;
			Gizmos.DrawLine(xform.position, myTarget.position);
		}
	}
}