Interactive drawing

function setup(){

  createCanvas(windowWidth, windowHeight) 

  background(255) 

​

}

​

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function draw(){

  fill(0)

  //square(mouseX,mouseY,5,5)

  pen(mouseX,mouseY,10,10)

}

​

​

function pen(x,y,r1,r2){

  fill(random(255),random(255),random(255))

  stroke(random(255),random(255),random(255))

       square(x,y,r1,r2)

  x1= x - r1

  y1= y

  x2= x + r1

  y2= y

  x3= x

  y3= y + r2

  if(mouseX >width/5){

    triangle(x,y,r1,r2)

  }else{

    square(x,y,r1,r2)

}

}

​

function mousePressed(){

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background(random(255),random(255),random(255))

}

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function enteredpressed() { 

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seconds(30)

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}

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​