gistfile1.cs

float xVel = rigidbody2D.velocity.x;
xVel += Time.deltaTime*playerState.playerSettings.walkSpeed*input.directionalPad.x*playerState.playerSettings.walkAcceleration;
float sign = xVel/Mathf.Abs(xVel);
if(Mathf.Abs(xVel)>playerState.playerSettings.maxWalkSpeed) xVel = sign*playerState.playerSettings.maxWalkSpeed;

// TODO: Use a non-animation based method here
if(player.playerAnimation.currentAnimation=="CrowSprint") xVel *= 1.4f;	// Speed up in sprint animation
rigidbody2D.velocity = new Vector2(xVel, rigidbody2D.velocity.y);