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1
Question by Jetzz · Mar 16, 2014 at 11:53 PM · javascriptoptimizationcars

BCE0034: Expression in statements must only be executed for their side-effects

 #pragma strict
 var wheelFL : WheelCollider;
 var wheelFR : WheelCollider;
 var wheelRL : WheelCollider;
 var wheelRR : WheelCollider;
 var maxTorque : float = 50;
 var Speed = 10;
 function Start () {
 
 }
 
 function Update ()
 {
 wheelFR.motorTorque * Input.GetAxis ("Vertical") * Speed;
 wheelFL.motorTorque * Input.GetAxis ("Vertical") * Speed;
 
 }

And the problem is in * Speed

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Answer by Bunny83 · Mar 17, 2014 at 12:11 AM

List 14 and 15 are just float expressions which aren't used in any way. I guess the first "*" should be a "=" so you calculate Input.GetAxis ("Vertical") * Speed and assign it to wheelFR.motorTorque

So the two lines

     wheelFR.motorTorque * Input.GetAxis ("Vertical") * Speed;
     wheelFL.motorTorque * Input.GetAxis ("Vertical") * Speed;

would become:

     wheelFR.motorTorque = Input.GetAxis ("Vertical") * Speed;
     wheelFL.motorTorque = Input.GetAxis ("Vertical") * Speed;
 //                |     | |                                 |
 //                |     | |                                 |
 // variable_______/     | |                                 |
 // assignment operator__/ \_________________________________/
 // float expression________________________/
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avatar image Jetzz · Mar 17, 2014 at 12:53 AM 0
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The problem is gone thank you but the car dont move

avatar image Jetzz · Mar 17, 2014 at 01:50 AM 0
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Thanks Bunny83 I solved that problem but now the car dont move anyway , never did it.

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Answer by thornekey · Mar 16, 2014 at 11:58 PM

make speed a float. see if it works.

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