"Bezier" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#4471`	Takacs Robert (RoTak)	Curbe	Joi, 14 oct 2021, 09:16
let x1, y1, x2, y2, x3, y3, x4, y4;
let RAND_DIM = 200;
let DIM = 400;
let TRANSPARENCY = 128;
let vStrkWght = 1;

let r = 256, g = 256, b = 256;
let repeat = 1;
function setup() {
	createCanvas(DIM, DIM);
  	noFill();
  	background(0);
  	x1 = random(DIM); y1 = random(DIM);
  	x2 = x1; y2 = y1;
  	x3 = x1 + random(RAND_DIM) - RAND_DIM / 2;
  	y3 = y1 + random(RAND_DIM) - RAND_DIM / 2;
  	x4 = x3; y4 = y3;
  
  	r = map(x1 + x2, 0, 800, 0, 256);
  	g = map(x1, 0, 400, 0, 256);
  	b = map(x2, 0, 400, 0, 256);
  	
  frameRate(120);
  repeat = 5;
}


function draw() {
  	
	for(let i = 1; i < repeat; ++i)
    {
  	x1 = x2; y1 = y2;
  	x2 = x3; y2 = y3;
  	x3 = x4; y3 = y4;
  	x4 = constrain(x3 + random(RAND_DIM) - RAND_DIM / 2, 0, DIM);
  	y4 = constrain(y3 + random(RAND_DIM) - RAND_DIM / 2, 0, DIM);
  	r = map(x2 + y2, 0, DIM * 2, 100, 256);
  	g = map(y2, 0, DIM, 256, 100);
  	b = map(x2, 0, DIM, 100, 256);
  
  	stroke(color(r, g, b, TRANSPARENCY));
  	strokeWeight(floor(map(x2 + y2, 0, DIM * 2, 1, 5)));
  	bezier(x1, y1, x2, y2, x3, y3, x4, y4);
    }
  	
}

/*function mousePressed()
{
 strokeWeight((++vStrkWght % 5) + 1) ;
}*/