人物移动、加速度 C# Unity

Question

Hi everyone Newbie here.

Top-down Zelda style game.

I'm trying to figure out how to make my player build speed to max speed then reduce speed to stoping.

I already have movement with GetRawAxis but my char moves at max speed the moment I press move with this method.

private void PlayerMovement()
{
    var playerMovement = new Vector2(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical")).normalized * Time.deltaTime * moveSpeed;

    transform.position = new Vector3(
        transform.position.x + playerMovement.x,
        transform.position.y + playerMovement.y,
        transform.position.z);
}

Answer 1

Here is a scenario where you can move your object in the x axis, gradually increasing the speed. You can do the same with the slowing down. Gradually decrease the speed by a value.

float acceleration = 0.6;
float maxSpeed = 30;
float speed = 0;

void Update(){
   if(speed < maxSpeed){
      speed += acceleration * Time.deltaTime;
    }

   transform.position.x = transform.position.x + speed*Time.deltaTime;

}

Answer 2

You could try Vector3.SmoothDamp .

This uses a Vector storing the current "speed" and dumps it slowly.

Example can be found here: https://docs.unity3d.com/ScriptReference/Vector3.SmoothDamp.html