let stageW     = 900;
let stageH     = 900;
let numAssets  = 5;

let paramsClrs = [];
let paramsClrsProbability;
let paramsClrsMax = [100, 1000, 4000];

let clrs = [
	['#ffffff', '#af939f', '#5b274b', '#066505', '#b5e655'],
	['#ffffff', '#8f7788', '#5b274b', '#412049', '#245e79'],
	['#af939f', '#8f7788', '#5b274b', '#e7070e', '#ff530d']
];

function buildColors(_i, _whichClr, _paramsClrsProbability) {
	let whichClr      = clrs[_whichClr];
	let whichClrLen   = whichClr.length;
	let clrCnt        = -1;
	let clrMaxPerLerp = floor( _paramsClrsProbability / whichClrLen );

	for (let j = 0; j < _paramsClrsProbability; ++j) {
		if( j%clrMaxPerLerp==0 ) {
			clrCnt = (clrCnt+1)%whichClrLen;
		}
		let c1 = color( whichClr[clrCnt] );
		let c2 = color( whichClr[(clrCnt+1)%whichClrLen] );
		paramsClrs[_i].push(  lerpColor( c1, c2, map(j, (clrCnt*clrMaxPerLerp), (((clrCnt+1))*clrMaxPerLerp), 0.0, 1.0) ) );
	}
}

function preload() {
	for (let i = 0; i < numAssets; ++i) {

		paramsClrs[i] = [];
		let _tempProb = random(1);

		if      (_tempProb  < 0.60) paramsClrsProbability = paramsClrsMax[2]; // get 4000 colors / 60% of the time
		else if (_tempProb  < 0.80) paramsClrsProbability = paramsClrsMax[1]; // get 1000 colors / 20% of the time
		else                        paramsClrsProbability = paramsClrsMax[0]; // get 100 colors  / 20% of the time

		buildColors(i, int(random(clrs.length)), paramsClrsProbability);
	}
}

function setup() {
	myCanvas = createCanvas(stageW, stageH);
	print (paramsClrs);
}

function draw() {

}