Smoothly increase rotation speed ?

Questions & Answers
1

Hello! My character controller rotates:

float temp = Input.GetAxis("Horizontal")  ;
            //left
            if (Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.A))
            {
                temp -= 50 * Time.deltaTime;
            }
            //right
            else if (Input.GetKey(KeyCode.RightArrow) || Input.GetKey(KeyCode.D))
            {
                temp += 50 * Time.deltaTime;
            }

            this._controller.Transform.Rotate(0, temp, 0);

But I want to rotate with smoothly increasing speed! Thank you!

2

This should do it. Tweak the parameters till it suits you.

using UnityEngine;

public class AccelRotate : MonoBehaviour
	{
	float maxAccel=150, minAccel=.001f;
	float accelModR=.001f;
	float accelModL=.001f;
	float accelRate=0.1f;
	
	// Use this for initialization
	void Start ()
	{
	}
	
	// Update is called once per frame
	void Update ()
	{
	float temp = Input.GetAxis("Horizontal");
	//left
	if (Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.A))
        {
        temp -= accelModL * Time.deltaTime;
        accelModL+=Time.deltaTime*accelRate;
        accelModL=Mathf.Min(accelModL, maxAccel);
        }
	else
        {
        accelModL=minAccel;
        }
		
	//right
	if (Input.GetKey(KeyCode.RightArrow) || Input.GetKey(KeyCode.D))
        {
        temp += accelModR * Time.deltaTime;
        accelModR+=Time.deltaTime*accelRate;
        accelModR=Mathf.Min(accelModR, maxAccel);
        }
	else
        {
        accelModR=minAccel;
        }

	this.transform.Rotate(0, temp, 0);
	}
	
	void OnGUI()
	{
	GUI.Label(new Rect(10, 10, 100, 50), "L : "+accelModL+"

R : "+accelModR);
}
}