class Srand {
    constructor(seed) {
        if(typeof seed === "undefined" || seed.toString().length == 0) {
            seed = ((Math.random()*0xFFFFFF)).toString(16);
        }
        seed = seed.toString();
        this.seed = seed.length;
        for(var n = 0;n < seed.length;n++) {
            this.seed = (this.seed+(seed[n].charCodeAt(0)*(n*0x13131F)+0x3918FF))%0xFFFFFF;
        }
        this.ram = 0x6F28C3;
        this.rom = 0x29CDFF;
        this.rum = 0x4CC9AB;
        this.iter = 0;
    }
    next() {
        this.ram = (this.ram + this.iter)%0xFFFFFF;
        this.iter++;if(this.iter > 5)this.iter = 0;
        this.rom = (this.rom + this.iter)%0xFFFFFF;
        this.rum = (this.rum + this.iter)%0xFFFFFF;
        return ((this.seed*this.ram*this.rom*this.rum)%0xFFFFFF)/0xFFFFFF;
    }
    bool() {
        this.ram = (this.ram + this.iter)%0xFFFFFF;
        this.iter++;if(this.iter > 5)this.iter = 0;
        this.rom = (this.rom + this.iter)%0xFFFFFF;
        this.rum = (this.rum + this.iter)%0xFFFFFF;
        return ((((this.seed*this.ram*this.rom*this.rum)%0xFFFFFF)/0xFFFFFF)>0.5)?true:false;
    }
}