javascript commonclass

function isNumber(n){
  if ( typeof(n) === 'number' && Number.isFinite(n) ) {
    return true;
  }
  return false;
}

function isNumberAllowString(n) {
  const type = typeof(n);
  if ( type === 'number' && Number.isFinite(n) ) {
    return true;
  }
  if ( type === 'string' && n.trim() !== '' && Number.isFinite(n - 0) ) {
    return true;
  }
  return false;
}



class Col {
  constructor(r, g, b, a) {
    this.r = 0;
    this.g = 0;
    this.b = 0;
    this.a = 0;
    if((isNumber(r) == true)&&(4 ＜=r.length)){
      this.r = Number(r[0]);
      this.g = Number(r[1]);
      this.b = Number(r[2]);
      this.a = Number(r[3]);
      return this;
    }
    if(a != undefined){
      this.r = Number(r);
      this.g = Number(g);
      this.b = Number(b);
      this.a = Number(a);
      return this;
    }
    return this;
  }
}

class Vec2 {
  constructor(x, y) {
    this.typename = "Vec2";
    this.x = 0;
    this.y = 0;
    if(x != undefined){
      if(x.typename == "Vec2"){
        this.x = x.x;
        this.y = x.y;
        return this;
      }
      else if((isNumber(x) == true)&&(2 ＜=x.length)){
        this.x = Number(x[0]);
        this.y = Number(x[1]);
        return this;
      }
      else if(y != undefined){
        this.x = Number(x);
        this.y = Number(y);
        return this;
      }
    }
    return this;
  }
}

class Vec3 {
  constructor(x, y, z) {
    this.typename = "Vec3";
    this.x = 0;
    this.y = 0;
    this.z = 0;
    if(x != undefined){
      if(x.typename == "Vec3"){
        this.x = x.x;
        this.y = x.y;
        this.z = x.z;
        return this;
      }
      else if((isNumber(x) == true)&&(3 ＜=x.length)){
        this.x = Number(x[0]);
        this.y = Number(x[1]);
        this.z = Number(x[2]);
        return this;
      }
      else if(z != undefined){
        this.x = Number(x);
        this.y = Number(y);
        this.z = Number(z);
        return this;
      }
    }
    return this;
  }
}

class Vec4 {
  constructor(x, y, z, w) {
    this.typename = "Vec4";
    this.x = 0;
    this.y = 0;
    this.z = 0;
    this.w = 0;
    if(x != undefined){
      if(x.typename == "Vec4"){
        this.x = x.x;
        this.y = x.y;
        this.z = x.z;
        this.w = x.w;
        return this;
      }
      else if((isNumber(x) == true)&&(4 ＜=x.length)){
        this.x = Number(x[0]);
        this.y = Number(x[1]);
        this.z = Number(x[2]);
        this.w = Number(x[3]);
        return this;
      }
      else if(w != undefined){
        this.x = Number(x);
        this.y = Number(y);
        this.z = Number(z);
        this.w = Number(w);
        return this;
      }
    }
    return this;
  }
}

class Rectangle {
  constructor(x, y, w, h) {
    this.typename = "Rectangle";
    this.x = 0;
    this.y = 0;
    this.w = 0;
    this.h = 0;
    if(x != undefined){
      if(x.typename == "Rectangle"){
        this.x = x.x;
        this.y = x.y;
        this.w = x.w;
        this.h = x.h;
        return this;
      }
      else if((isNumber(x) == true)&&(4 ＜=x.length)){
        this.x = Number(x[0]);
        this.y = Number(x[1]);
        this.w = Number(x[2]);
        this.h = Number(x[3]);
        return this;
      }
      else if(h != undefined){
        this.x = Number(x);
        this.y = Number(y);
        this.w = Number(w);
        this.h = Number(h);
        return this;
      }
    }
    return this;
  }

  create(x, y){
    var l = x.x;
    var r = y.x;
    var u = x.y;
    var d = y.y;
    if(r ＜ l) { l = y.x; r = x.x; }
    if(d ＜ u) { u = y.y; d = x.y; }
    this.x = l;
    this.y = u;
    this.w = r - l;
    this.h = d - u;

    return this;
  }
}