I need AI script

system · April 5, 2012, 9:09pm

I need AI script for enemy racing cars and this script can animate the wheels of the cars

Dee_Va · April 6, 2012, 6:28am

use this script for ai car’s if you dont understand ,it’s better to use any tutorial for it…

var GearRatio : float[];

var CurrentGear : int = 0;

var EngineTorque : float = 600.0;
var MaxEngineRPM : float = 3000.0;
var MinEngineRPM : float = 1000.0;
private var EngineRPM : float = 0.0;

var waypointContainer : GameObject;
private var waypoints : Array;
private var currentWaypoint : int = 0;

private var inputSteer : float = 0.0;
private var inputTorque : float = 0.0;

function Start () {

rigidbody.centerOfMass.y = -1.5;

GetWaypoints();

}

function Update () {

rigidbody.drag = rigidbody.velocity.magnitude / 250;


NavigateTowardsWaypoint();


EngineRPM = (FrontLeftWheel.rpm + FrontRightWheel.rpm)/2 * GearRatio[CurrentGear];
ShiftGears();


audio.pitch = Mathf.Abs(EngineRPM / MaxEngineRPM) + 1.0 ;

if ( audio.pitch > 2.0 ) {
	audio.pitch = 2.0;
}


FrontLeftWheel.motorTorque = EngineTorque / GearRatio[CurrentGear] * inputTorque;
FrontRightWheel.motorTorque = EngineTorque / GearRatio[CurrentGear] * inputTorque;
	

FrontLeftWheel.steerAngle = 10 * inputSteer;
FrontRightWheel.steerAngle = 10 * inputSteer;

}

function ShiftGears() {

if ( EngineRPM >= MaxEngineRPM ) {
	var AppropriateGear : int = CurrentGear;
	
	for ( var i = 0; i < GearRatio.length; i ++ ) {
		if ( FrontLeftWheel.rpm * GearRatio *< MaxEngineRPM ) {*

```
  		AppropriateGear = i;*
```
```
  		break;*
```
```
  	}*
```
```
  }*
```
```
  CurrentGear = AppropriateGear;*
```
}*
if ( EngineRPM <= MinEngineRPM ) {*
```
  AppropriateGear = CurrentGear;*
```

  for ( var j = GearRatio.length-1; j >= 0; j -- ) {*

_ if ( FrontLeftWheel.rpm * GearRatio[j] > MinEngineRPM ) {_

```
  		AppropriateGear = j;*
```
```
  		break;*
```
```
  	}*
```
```
  }*
```
```
  CurrentGear = AppropriateGear;*
```
}*
}
function GetWaypoints () {
var potentialWaypoints : Array = waypointContainer.GetComponentsInChildren( Transform );*
waypoints = new Array();*
for ( var potentialWaypoint : Transform in potentialWaypoints ) {*

  if ( potentialWaypoint != waypointContainer.transform ) {*

  	waypoints[ waypoints.length ] = potentialWaypoint;*

```
  }*
```
}*
}
function NavigateTowardsWaypoint () {
var RelativeWaypointPosition : Vector3 = transform.InverseTransformPoint( Vector3(*

  										waypoints[currentWaypoint].position.x,*

```
  										transform.position.y,* 
```

  										waypoints[currentWaypoint].position.z ) );*

inputSteer = RelativeWaypointPosition.x / RelativeWaypointPosition.magnitude;*
if ( Mathf.Abs( inputSteer ) < 0.5 ) {*

  inputTorque = RelativeWaypointPosition.z / RelativeWaypointPosition.magnitude - Mathf.Abs( inputSteer );*

}else{*
```
  inputTorque = 0.0;*
```
}*
if ( RelativeWaypointPosition.magnitude < 20 ) {*
```
  currentWaypoint ++;*
```

  if ( currentWaypoint >= waypoints.length ) {*

```
  	currentWaypoint = 0;*
```
```
  }*
```
}*

}

system · April 6, 2012, 10:03am

can you help me again i have an error it tell "unknown identifier : FrontLeftWheel "
and "unknown identifier : FrontRightWheel "

Dee_Va · April 6, 2012, 1:39pm

download this

www.gotow.net/andrew/unity/CarTutorial.zip

I THINK THIS HELPS YOU…