RTS camera movement - easing?

Questions & Answers
1

I am trying to create a simple RTS camera that scrolls when the mouse is at the edges of the screen, here is my code:

public float scrollSpeed = 5.0F;
	public float scrollBuffer = 10.0F;
	public float damping = 2.0F;
	
	private Transform _tr;
	
	void Awake () {
		_tr = transform;
	}

	void Update () {
		Vector3 newPos = _tr.position;
		if (Input.mousePosition.x >= Screen.width-scrollBuffer)
			newPos.x = Mathf.Lerp (_tr.position.x, _tr.position.x + scrollSpeed, damping * Time.deltaTime);
		if (Input.mousePosition.x <= scrollBuffer)
			newPos.x = Mathf.Lerp (_tr.position.x, _tr.position.x - scrollSpeed, damping * Time.deltaTime);
		if (Input.mousePosition.y >= Screen.height-scrollBuffer)
			newPos.z = Mathf.Lerp (_tr.position.z, _tr.position.z + scrollSpeed, damping * Time.deltaTime);
		if (Input.mousePosition.y <= scrollBuffer)
			newPos.z = Mathf.Lerp (_tr.position.z, _tr.position.z - scrollSpeed, damping * Time.deltaTime);
		
		_tr.position = newPos;
	}

I want the camera to come to a smooth halt when the mouse moves away from the screen bounds, but the “damping” method I have implemented above doesn’t seem to work. Does anyone know what I am doing wrong?

2

I’ve seen it somewhere:

if ( Input.GetKey(“d”) || Input.mousePosition.x >= Screen.width * (1 - ScrollEdge) )
{
transform.Translate(Vector3.right * Time.deltaTime * ScrollSpeed);
}
else if ( Input.GetKey(“a”) || Input.mousePosition.x <= Screen.width * ScrollEdge )
{
transform.Translate(Vector3.right * Time.deltaTime * -ScrollSpeed);
}

	if ( Input.GetKey("w") || Input.mousePosition.y >= Screen.height * (1 - ScrollEdge) )
	{
		transform.Translate(Vector3.forward * Time.deltaTime * ScrollSpeed);
	}
	else if ( Input.GetKey("s") || Input.mousePosition.y <= Screen.height * ScrollEdge )
	{
		transform.Translate(Vector3.forward * Time.deltaTime * -ScrollSpeed);
	}