I want to move an object toward a target and scale it from 1 toward zero ...

Unity Engine
1

As I mentioned in the title, I want to move and scale an object with same speed.

For instance, Object ‘A’'s been moved toward a target for 10 sec.

In the same time, the object ‘A’ should be scaled from 1 toward zero for 10 sec.

So, I did like this.

const float m_fMoveSpeed = 100.0f;
float m_fScaleSpeed = 0.0f;

// Set a target object
public void SetTarget(Transform target)
    {        
        Vector3 com1 = transform.localPosition;
        Vector3 com2 = target.localPosition;
        float ret = Vector3.Distance(com1, com2);

        m_fScaleSpeed = ret / m_fMoveSpeed;

        m_pTarget = target;    
    }

void Update () {
        if (m_pTarget != null)
        {
            
            transform.localPosition = Vector3.MoveTowards(transform.localPosition, m_pTarget.localPosition, m_fMoveSpeed * Time.deltaTime);

            Vector3 scale = transform.localScale;
            //scale = Vector3.MoveTowards(scale, new Vector3(0.01f, 0.01f, 1f), m_fScaleSpeed * Time.deltaTime);
            scale.x -= m_fScaleSpeed * Time.deltaTime;
            scale.y -= m_fScaleSpeed * Time.deltaTime;
            transform.localScale = scale;

            if (scale.x == 0.01f)
            {
                m_pTarget = null;
            }
        }
	}

It doesn’t work. move speed is about twice faster than scaling speed.

(i am not good at even basic math XD)

Anyone helps me. Thanks.

2

Doesn’t the idea you had and commented out not work?

3

This is how I solved a similar problem with a coroutine:

//change the size of the unit
function SetLocalScale()
{
	
    var newSize = Vector3(transform.localScale.x * 1.5f, transform.localScale.y * 1.5f, transform.localScale.z * 1.5f);

    while (Vector3.Distance(transform.root.localScale, newSize)>0)
    {
        transform.root.localScale = Vector3.MoveTowards(transform.root.localScale, newSize, Time.deltaTime*10);
        yield;
    }
}