圆形碰撞检测

CircleCollision

let y = 32;
let x = 32;
let range = 10;

// let test = Math.sqrt((y * y) + (x * x));
let test2 = Math.sqrt(Math.pow(y,2),Math.pow(x,2));
if(y < 0 || y < height){
    // ...--
}
if(x < 0 || x < width){
    // ...--
}