Artistic Views - OpenProcessing

mySketch
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//Artistic Expression
var start = 1;
function setup(){
  createCanvas(700,700);
  background(0);
  blendMode(ADD);
  rectMode(CENTER);
  fill(1);
  stroke(1);
  noLoop();
}
​
function draw(){
  blendMode(BLEND);
  tint(255, 127);
​
  fill(255);
  rect(650, 650, 20, 20);
  rect(50, 50, 20, 20);
  rect(80, 50, 20, 20);
  
  if(start == 0){
    fill(random(255), random(255), random(255), 50);
   triangle(350,350, mouseX, mouseY, random(700), random(700));
  }
  
  filter(ERODE);
  
  if(mouseX >= 40 && mouseX <= 60 && mouseY >= 40 && mouseY <= 60)
  {
    filter(DILATE);
  }
  else if(mouseX >= 70 && mouseX <= 90 && mouseY >= 40 && mouseY <= 60)
  {
    filter(GRAY);
  }
  else if(mouseX >= 640 && mouseX <= 660 && mouseY >= 640 && mouseY <= 660)
  {
   noLoop();
  }
}
​
function mouseDragged(){
  filter(INVERT);
}
​
function keyPressed(){
  background(0);
  blendMode(ADD);
  rectMode(CENTER);
  fill(1);
  stroke(1);
  loop();
  start =0;
}
​
function mousePressed(){
  loop();
  start = 0;
}