Node-Red flow範例 << 模擬隨機值實現Script。>>

Analog Random Values ​​Implementation Script. |  Node-Red Flow Example

//===setting=== 
var hpoint = 100;
var lpoint = 0;
var cent = 10; //centralize number
//===============

var mpoint = 0;
var output = context.get('output')||0;
var addpoint = context.get('addpoint')||0;

//count
var count = context.get('count')||0;
count += 1;
context.set('count',count);

//rcount
var rcount = context.get('rcount')||0;
if(count >= rcount){
    for(i=0;i<cent;i++){        //centralize
        mpoint = mpoint + Math.floor(Math.random() * hpoint);
    }
    rcount = parseInt(Math.floor(Math.random() * 100)/5);
    addpoint = ((mpoint/cent)-output)/rcount;
    context.set('addpoint',addpoint);
    context.set('rcount',rcount);
    context.set('count',0);
}else{
    output = parseFloat((output + addpoint).toFixed(1));
    context.set('output',output);
}
msg.payload = output;
return msg;

Flow JSON Sourcecode


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