"Roby's Super Star Maker" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#3578`	Takacs Robert (RoTak)	-	Sambata, 25 ian 2020, 12:56

Numarul de puncte a unei stelute este egal cu: N / CMMDC
nr puncte pe cerc = N;
nr “saritura” = J;

deci, daca N si J sunt prime intre ele, fiecare punct va fi atins de steluta

have fun, banuiesc ^o

function setup() {
  createCanvas(400, 400);
  angleMode(DEGREES);
}

let noDots = 8;
let noJump = 5;
let starPoints = 8;
let staticAngle = 0;

let circleRadius = 100;
let dotDiam = 0;
let lineStroke = 0;


function draw() {
  
  mapValues();
  
  push();
  canvasModifier1();
  
  ellipse(0, 0, circleRadius * 2, circleRadius * 2);
  
  canvasModifier2();
  for(var i = 0; i < noDots; ++i)
  {
   ellipse(circleRadius * sin(i * 360 / noDots + staticAngle), -circleRadius * cos(i * 360 / noDots + staticAngle), dotDiam, dotDiam); 
  }
  
  
  canvasModifier3();
  let currAngle = staticAngle;
  let lineNr = 0;
  do
  {
   var nextLineAngle = currAngle + noJump * 360 / noDots;
   
   line(circleRadius * sin(currAngle), -circleRadius * cos(currAngle), circleRadius * sin(nextLineAngle), -circleRadius * cos(nextLineAngle));
   
   currAngle = nextLineAngle;
    lineNr++;
  }
  while(lineNr < starPoints);
  
  pop();
  
  
  textSize(30);
  textAlign(CENTER);
  stroke("#A208A5");
  fill("#A208A5");
  text("Roby's Super Star Maker!", 200, 40);
  
  textSize(23);
  textAlign(RIGHT);
  fill(0);
  noStroke();
  text("Number of dots: " + noDots, 380, 325);
  text("Jump Number: " + noJump, 380, 355);
  text("Star points: " + starPoints, 380, 385);
  
  textSize(12);
  textAlign(LEFT);
  text("Press Q/E to rotate.", 20, 300, 150, 100);
  text("Press W/S key to modify number of dots.", 20, 320, 150, 100);
  text("Press A/D key to modify jump number.", 20, 360, 150, 100);
  
  
  
  if(keyIsDown(81))
    staticAngle--;
  if(keyIsDown(69))
    staticAngle++;
  

}

function mapValues()
{
  dotDiam = map(noDots, 1, 1000, 10, 3);
  lineStroke = map(noDots, 1, 1000, 4, 1);
}

function canvasModifier1()
{
  background(100);
  translate(200, 200);
  noFill();
  strokeWeight(3);
  stroke(0); 
}

function canvasModifier2()
{
  fill("#6C0808");
  noStroke(); 
}

function canvasModifier3()
{
  stroke("#FAD74C");
  strokeWeight(lineStroke); 
}

function GCD(a, b)
{
 if(b == 0)
   return a;
 return GCD(b, a % b);
}


function keyPressed()
{
  if(keyCode === 87 && noDots < 1000)
    noDots++;
   
  if(keyCode === 83 && noDots > 2)
    noDots--;
    
  if(keyCode === 68 && noJump < noDots - 1)
    noJump++;
    
  if(keyCode === 65 && noJump > 1)
    noJump--;
    
  if(noJump == noDots)
    noJump = noDots - 1;
    
  starPoints = noDots / GCD(noDots, noJump);
}