"Bara Metalica... sau ceva (aka spaghetti code)" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#3445`	Takacs Robert (RoTak)	-	Miercuri, 04 dec 2019, 20:02
function dist(x1, y1, x2, y2)
{
 let dx = x1 - x2;
 let dy = y1 - y1;
 
 return sqrt(dx*dx + dy*dy);
}

class Slider
{
 constructor()
 {
   this.fixedX = 200;
   this.fixedY = 200;
   this.radius = 150;
   this.strokeWeight = 50;
   this.x = this.fixedX + this.radius;
   this.y = this.fixedY;
 }
 
 show()
 {
  strokeWeight(this.strokeWeight);
  stroke("#675F5F");
  line(this.fixedX, this.fixedY, this.x, this.y);
 }
 
 mouseOnThis()
 {
   let mx = mouseX;
   let my = mouseY;
   
   let d1 = dist(this.fixedX, this.fixedY, mx, my);
   let d2 = dist(mx, my, this.x, this.y);
   
   if(d1 + d2 - (this.radius + this.strokeWeight / 2) < sqrt(this.strokeWeight) - 10)
     return 1;
   return 0;
 }
 
 update(val1, val2)
 {
   this.x = this.fixedX + this.radius * val1;
   this.y = this.fixedY + this.radius * val2;
 }
}



let s = new Slider();
let angle = 0;
let clickedAndOnThis = false;
let didNotClickOnThis = false;
function setup() {
  createCanvas(400, 400);
  angleMode(RADIANS);
}


function draw() {
  background(0);
  s.update(cos(angle), sin(angle));
  s.show();
  
  if(mouseIsPressed && (s.mouseOnThis() || clickedAndOnThis) && !didNotClickOnThis)
  {
    angle = atan2(mouseY - s.fixedY, mouseX - s.fixedX);
  }
  else if(mouseIsPressed)
  {
    didNotClickOnThis = true;
  }
  console.log(angle * 180 / PI);
}

function mousePressed()
{
 if(s.mouseOnThis())
 {
   clickedAndOnThis = true;
 }
}

function mouseReleased()
{
 clickedAndOnThis = false; 
 didNotClickOnThis = false;
}