How do I get diagonal 3d movement?

Questions & Answers
1

I have a model moving using root motion. Currently, it’s moving in 4 directions; Forward, Backward, Right, and Left.

Now, I want to make the character move in 45 degrees. I made a chart to understand the axes.
84379-unity-movement-chart.png

The character has a running animation for every direction, including the diagonal directions. Here is my animator controller set up (image link because I can’t have any more attatchments):

I started out with trying to move diagonally left, and tried out a few scripts.

Script #1 (The simplest):

public class Zcontroller : MonoBehaviour {
	
	private Animator myAnimator;

	// Use this for initialization
	void Start () {
		myAnimator = GetComponent<Animator>();
	}
	
	// Update is called once per frame
	void Update () {
		myAnimator.SetFloat ("VSpeed", Input.GetAxis ("Vertical"));
		myAnimator.SetFloat ("HSpeed", Input.GetAxis ("Horizontal"));
		myAnimator.SetFloat ("DiagSpeed", Input.GetAxis ("Vertical") + Input.GetAxis ("Horizontal"));

Script #2:

using UnityEngine;
using System.Collections;

public class Zcontroller : MonoBehaviour {
	
	private Animator myAnimator;

	// Use this for initialization
	void Start () {
		myAnimator = GetComponent<Animator>();
	}
	
	// Update is called once per frame
	void Update () {
		myAnimator.SetFloat ("VSpeed", Input.GetAxis ("Vertical"));
		myAnimator.SetFloat ("HSpeed", Input.GetAxis ("Horizontal"));


		if (Input.GetAxis ("Vertical") || Input.GetAxis ("Horizontal")) {

			if ((Input.GetAxis ("Vertical") < 0f) && (Input.GetAxis ("Horizontal") > 0)) {
				myAnimator.SetBool ("isDiagonalLeft", true);
			}

		} else {
			myAnimator.SetBool ("TurningLeft", false);
		}
	}
}

Script #3 (As an image link because I forgot to save this one and can’t add any more attachments):

84389-zcontroller-error-1-whited-out.png
84389-zcontroller-error-1-whited-out.png918×497 26.4 KB

Results:

Script 1 did not work, and caused the character to move diagonally only when the Down Arrow key was pressed.

Script 2 also did not work, giving me the error: “Operator ‘||’ cannot be applied to operands of type ‘float’ and ‘float’.”

Script 3 gave me some bracket errors.

What can I do to get the character to move diagonally properly?

Is there any way to combine two float values in code? If so, how?

2

All you need is in the 2D Blend Tree in Animator.
You simply expose X and Y parameters from the Animator Controller, which you manipulate from the code, like you do.
Then, you add you diagonal animations to the Blend Tree and position them on the 2D graph.