通过麦克风输入进行C＃Pong游戏桨运动

Question

im trying to build Pong Game with Microphone Input as controls for the paddles. the following part of the code (c#) is moving the paddle.

void Update () 
{
    loudness=GetAveragedVolume() * sensitivty;
    if (loudness>=8)
    {
        this.GetComponent<Rigidbody2D>().velocity=new Vector2(this.GetComponent<Rigidbody2D>().velocity.y,4);
}

shouldn´t this code below do the job? however its not working

    else (loudness<=8) 
    {
        this.GetComponent<Rigidbody2D>().velocity=new Vector2(this.GetComponent<Rigidbody2D>().velocity.y,-4);
    }

Its obviously an easy problem but im kinda stuck in here with this noob question Thanks in advance

EDIT// what i want to do:

Move the paddle up when the microphone receives Sound and drop back down if there is no sound, just like an value from an visual amp.

Daniel

Answer 1

Given that Update () is called correctly and GetAveragedVolume() returns meaningful values, it would have to look like this:

void Update () {

    loudness = GetAveragedVolume() * sensitivty;

    if (loudness > 8) {
        this.GetComponent<Rigidbody2D>().velocity = new Vector2(this.GetComponent<Rigidbody2D>().velocity.x, 4);
    }
    else {
        this.GetComponent<Rigidbody2D>().velocity = new Vector2(this.GetComponent<Rigidbody2D>().velocity.x, -4);
    }
}

Your mistakes:

• else (...) is invalid. Use else if(...) .
• You used this.GetComponent<Rigidbody2D>().velocity.y instead of this.GetComponent<Rigidbody2D>().velocity.x for the x -component of the two new vectors.

Some tips:

• Wether you use >= or > does not really matter for floating point numbers in most cases, and definitely not in your one.
• else is sufficient here. You don't need to check else if (loudness <= 8) , because if it isn't > 8 , then it is always <= 8 .
• Conventionally, you write a = b; / a, b and not a=b; / a,b , to make your code more readable.

I hope that works for you!