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Question by bruu · Jan 17, 2014 at 05:32 PM · movementrigidbodyjumpaddforceplatformer

moving with rigidbody without acceleration

Hello, I was wondering if it is possible to move with rigidbody without acceleration. So the player has 1 consistent speed throughout, that is top speed instantly when it moves. I've looked into rigidbody.velocity but I am having issue with it since it holds a consistent speed but when jumping it floats around slowly. Also when moving onto a jumping platform that uses AddForce, the player does not register the jump when moving - it sort of does little hops when moving. If i were to stand completely still, the jump registers normally.

Thank you

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avatar image robertbu · Jan 17, 2014 at 05:43 PM 0
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Without knowing more about your game and seeing your code it is difficult to figure out the right solution. $$anonymous$$aybe you should just be setting the speed of the XZ movement and leaving the 'Y' movement alone.

avatar image bruu · Jan 17, 2014 at 06:06 PM 0
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Here is my movement code to move left:

  else if (this.leftController.guiTexture.HitTest(Input.GetTouch(i).position))
 
                     if (touch.phase != TouchPhase.Ended && touch.phase != TouchPhase.Canceled)
 
                     {
                         if (collisioncheck == true)
                         {
                             playerFinder.rigidbody.velocity = Vector3.left * 10;
                             playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.left);
                             playerFinder.rigidbody.velocity = Vector3.Clamp$$anonymous$$agnitude(playerFinder.rigidbody.velocity, 10f);
                         }
avatar image robertbu · Jan 17, 2014 at 06:15 PM 0
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A bit more information. Assu$$anonymous$$g you are only moving left and right, try this:

 if (collisioncheck == true)
 {
     playerFinder.rigidbody.velocity.x = -10.0;
     playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.left);
 }

Note you would assign 10 for right movement.

avatar image bruu · Jan 17, 2014 at 06:20 PM 0
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Thank you for taking the time to answer. playerFinder.rigidbody.velocity.x = 10.0; does not work- I'm getting error CS1612: Cannot modify a value type return value of `UnityEngine.Rigidbody.velocity'. Consider storing the value in a temporary variable

 if (Input.touches.Length > 0)
     
             {
                 for (int i = 0; i < Input.touchCount; i++)
                 {  
                     //setting right touch movement
                     var touch = Input.GetTouch(i);
                     if (this.rightController.guiTexture.HitTest(Input.GetTouch(i).position))
                     {
                         if (touch.phase != TouchPhase.Ended && touch.phase != TouchPhase.Canceled)
                         {
                             if (collisioncheck == true)
                             {
                                
                                 playerFinder.rigidbody.velocity = Vector3.right * 10;
                                 playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.right);
                                 playerFinder.rigidbody.velocity = Vector3.Clamp$$anonymous$$agnitude(playerFinder.rigidbody.velocity, 10f);
                                                            
                             }
     
                             else if (collisioncheck == false)
                             {
                                 playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.right);
                                 playerFinder.rigidbody.AddForce(Vector3.right*4, Force$$anonymous$$ode.Acceleration);
     
                             }
     
                             /*
                             else if (touch.phase == TouchPhase.Ended)
                             {
                                 playerFinder.rigidbody.AddRelativeForce(Vector3.left*0, Force$$anonymous$$ode.Acceleration);
     
                             }
                         */
                         }
     
                         else if (touch.phase == TouchPhase.Ended)
                         {
                             playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.back);
     
                         }
     
                     }
     
                     else if (this.leftController.guiTexture.HitTest(Input.GetTouch(i).position))
     
                         if (touch.phase != TouchPhase.Ended && touch.phase != TouchPhase.Canceled)
     
                         {
                             if (collisioncheck == true)
                             {
                                 playerFinder.rigidbody.velocity = Vector3.left * 10;
                                 playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.left);
                                 playerFinder.rigidbody.velocity = Vector3.Clamp$$anonymous$$agnitude(playerFinder.rigidbody.velocity, 10f);
                             }
     
                             else if (collisioncheck == false)
     
                             {
     
                                 playerFinder.rigidbody.AddForce(Vector3.left*4, Force$$anonymous$$ode.Acceleration);
                                 playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.left);
                             }
 
avatar image robertbu · Jan 17, 2014 at 06:39 PM 0
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Ahhhh C#. I couldn't tell from your script fragment and guessed wrong. Here is the code fragment in C#:

 if (collisioncheck == true)
 {
     Vector3 v = playerFinder.rigidbody.velocity;
     v.x = -10.0f;
     playerFinder.rigidbody.velocity = v;
     playerFinder.rigidbody.rotation = Quaternion.LookRotation(Vector3.left);
 }
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