How to move Character with Addforce?

Question

I'm trying to make a physic based Rigidbody movement, which adds force to the rigidbody without completely change the velocity (I'm creating a portal clone). I found this: http://wiki.unity3d.com/index.php/RigidbodyFPSWalker but it doesn't work in the air. Is there any way to solve this?

Answer 1

Hi. You can do someting like this: (I modified only the Update function and removed the grounded condition to move even if the character is not grounded and I added the grounded condition only in the jump function)

void FixedUpdate () { // Calculate how fast we should be moving Vector3 targetVelocity = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical")); targetVelocity = transform.TransformDirection(targetVelocity); targetVelocity *= speed;

         // Apply a force that attempts to reach our target velocity
         Vector3 velocity = rigidbody.velocity;
         Vector3 velocityChange = (targetVelocity - velocity);
         velocityChange.x = Mathf.Clamp(velocityChange.x, -maxVelocityChange, maxVelocityChange);
         velocityChange.z = Mathf.Clamp(velocityChange.z, -maxVelocityChange, maxVelocityChange);
         velocityChange.y = 0;
         rigidbody.AddForce(velocityChange, ForceMode.VelocityChange);
 
         // Jump
         if (grounded && canJump && Input.GetButton("Jump")) {
             rigidbody.velocity = new Vector3(velocity.x, CalculateJumpVerticalSpeed(), velocity.z);
         }
 
     // We apply gravity manually for more tuning control
     rigidbody.AddForce(new Vector3 (0, -gravity * rigidbody.mass, 0));
 
     grounded = false;
 }

How to move Character with Addforce?

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