How do I make this lerp?

Archived Forums Questions & Answers
1

I’m trying to make this cube move smoothly one unit at a time, but I can’t figure out how to save the position I want it to go to as a variable. My code so far is:

#pragma strict

var newPosition : Vector3;

function Start()
{
	newPosition = transform.position;
}

function Update()
{
	if(Input.GetKeyDown(KeyCode.UpArrow))
	transform.Translate(0,0,1);
	
	if(Input.GetKeyDown(KeyCode.DownArrow))
	transform.Translate(0,0,-1);
	
	if(Input.GetKeyDown(KeyCode.LeftArrow))
	transform.Translate(-1,0,0);
	
	if(Input.GetKeyDown(KeyCode.RightArrow))
	transform.Translate(1,0,0);
}

Can anyone make this move smoothly? Thanks!

1 Answer

1
2

I found it myself:

#pragma strict

var newZCoordinate : int;
var newXCoordinate : int;

function Start()
{
	newXCoordinate = transform.position.x;
	newZCoordinate = transform.position.z;
}

function Update()
{
	if(Input.GetKeyDown(KeyCode.UpArrow))
	newZCoordinate += 2;
	transform.position = Vector3.Lerp(transform.position,Vector3(transform.position.x, transform.position.y, newZCoordinate),Time.fixedDeltaTime * 20);
	
	if(Input.GetKeyDown(KeyCode.DownArrow))
	newZCoordinate -= 2;
	transform.position = Vector3.Lerp(transform.position,Vector3(transform.position.x, transform.position.y, newZCoordinate),Time.fixedDeltaTime * 20);
	
	if(Input.GetKeyDown(KeyCode.LeftArrow))
	newXCoordinate -= 2;
	transform.position = Vector3.Lerp(transform.position,Vector3(newXCoordinate, transform.position.y, transform.position.z),Time.fixedDeltaTime * 20);
	
	if(Input.GetKeyDown(KeyCode.RightArrow))
	newXCoordinate += 2;
	transform.position = Vector3.Lerp(transform.position,Vector3(newXCoordinate, transform.position.y, transform.position.z),Time.fixedDeltaTime * 20);
}

This made the cube move smoothly for me.