Nodejs Number Clamp clamp(min, max)

Method Source Code

window.rnd = function(p1, p2) {
        var r = Math.random();
        if (Array.isArray(p1)) {
            return p1[Math.floor(r * p1.length)];
        }//from  ww w.  ja  va2  s.c  o  m

        if (!(p1 === undefined)) {
            if (!(p2 === undefined)) {
                r = r * (p2 - p1) + p1;
            } else {
                r = r * 2 * p1 - p1;
            }
        }
        return r;
};

Number.prototype.clamp = function(min, max) {
  return Math.min(Math.max(this, min), max);
};


window.map = function(value, min1, max1, min2, max2){
  return min2 + (max2 - min2) * ((value - min1) / (max1 - min1))
}

Related

1. clamp(min, max)

   Number.prototype.clamp = function (min, max) {
     return this<min?min:this>max?max:this;
   };
   

2. clamp(min, max)

   Number.prototype.clamp = function(min, max) {
     return Math.min(Math.max(this, min), max);
   };
   function calcAngle(x1, x2, y1, y2) {
     var calcAngle = Math.atan2(x1-x2,y1-y2)*(180/Math.PI);
     if(calcAngle < 0)
       calcAngle = Math.abs(calcAngle);
     else
       calcAngle = 360 - calcAngle;
   ...
   

3. clamp(min, max)

   'use strict';
   Number.prototype.clamp = function(min, max) {
     return Math.min(Math.max(this, min), max);
   };
   

4. clamp(min, max)

   Number.prototype.clamp = function(min, max) {
     return Math.min(Math.max(this, min), max);
   };
   

5. clamp(min, max)

   Number.prototype.clamp = function(min, max) {
     return Math.min(Math.max(this, min), max);
   };
   

6. clamp(min, max)

   Number.prototype.clamp = function(min, max) {
     return Math.min(Math.max(this, min), max);
   };
   collides = function(a, b) {
       return a.x < b.x + b.width &&
         a.x + a.width > b.x &&
         a.y < b.y + b.height &&
         a.y + a.height > b.y;
   

7. clamp(min, max)

   Number.prototype.clamp = function(min, max)
     return Math.min(Math.max(this, min), max);
   };
   function sortNumber(a,b) {
       return a - b;
   var sortObjectByKey = function(obj)
       var keys = [];
       var sorted_obj = {};
       for(var key in obj){
           if(obj.hasOwnProperty(key)){
               keys.push(key);
       keys.sort(sortNumber);
       jQuery.each(keys, function(i, key){
           sorted_obj[key] = obj[key];
       });
       return sorted_obj;
   };
   var pickRandomProperty = function(obj)
       var result;
       var count = 0;
       for (var prop in obj)
           if (Math.random() < 1/++count)
               result = prop;
       return result;
   

8. clamp(min,max)

   Number.prototype.clamp = function(min,max)
     var c = this;
     if(c < min)
       c = min;
     if(c > max)
       c = max;
     return Number(c);
   };
   ...
   

9. clamp(min,max)

   Number.prototype.clamp = function(min,max)
     var c = this;
     if(c < min)
       c = min;
     if(c > max)
       c = max;
     return Number(c);
   };
   ...