Smooth 90 degree rotation on Z axis on button press

Questions & Answers
1

Hello! So, I have some code that does almost exactly what I want it to do (see title), but it is rotating on the X axis, and I would like it to rotate on the Z axis. I thought this would be a simple fix, but I am stumped. Any help is much appreciated!

Here is the code:

using UnityEngine;
using System.Collections;

public class Rotator : MonoBehaviour
{
public float smooth = 1f;
private Quaternion targetRotation;
void Start ()
{
	targetRotation = transform.rotation;
}

void Update ()
{
	if (Input.GetKeyDown (KeyCode.Space)) { 
		targetRotation *= Quaternion.AngleAxis (90, Vector3.up);
	}
	transform.rotation = Quaternion.Lerp (transform.rotation, targetRotation, 10 * smooth * Time.deltaTime); 
    }
}
2

By the way, by “C axis”, I totally meant “X axis”. My bad!

3

Maybe after you set targetRotation, you could do this:

targetRotation = Quaternion.Euler (targetRotation.eulerAngles.x-90, targetRotation.eulerAngles.y, 
targetRotation.eulerAngles.z+90);

or something similar?

4

Hello, you need to change axis in Quaternion.AngleAxis, like this:

 if (Input.GetKeyDown (KeyCode.Space)) { 
     targetRotation *= Quaternion.AngleAxis (90, Vector3.forward);
 }

Vector3 has some handy built-in directions, like up, forward and right. You can also define your own axises by saying like:

 if (Input.GetKeyDown (KeyCode.Space)) { 
     targetRotation *= Quaternion.AngleAxis (90, new Vector3 (1, 2, 1));
 }