きれいとは言い難い作品

function setup(){

    createCanvas(windowWidth,windowHeight);

    background(30);

    noStroke();

    for (let i=0 ; i<50 ; i++){

        let x = random(width/2);

        let y = random(height/2);

        let w = random((height-y)*0.2);

        let cr = random(127);

        let cg = random(255);

        let cb = random(127,255);

        let ca = random(100);

        fill(cr,cg,cb,ca);

        ellipse(x , y , w , w);

    }

    for (let i=0 ; i<50 ; i++){

        let x = random(width/2);

        let y = random(height/2);

        let w = random((height-y)*0.15);

        let cr = random(127);

        let cg = random(127,255);

        let cb = random(127);

        let ca = random(100);

        fill(cr,cg,cb,ca);

        rect(width-x ,y , w , w);

    }

    for (let i=0 ; i<50 ; i++){

        let x = random(width/2);

        let y = random(height/2);

        let w = random((height-y)*0.2);

        let cr = random(127,255);

        let cg = random(255);

        let cb = random(255);

        let ca = random(100);

        fill(cr,cg,cb,ca);

        ellipse(width-x , height-y , w , w);

    }

    for (let i=0 ; i<50 ; i++){

        let x = random(width/2);

        let y = random(height/2);

        let w = random((height-y)*0.15);

        let cr = random(127,255);

        let cg = random(127,255);

        let cb = random(127);

        let ca = random(100);

        fill(cr,cg,cb,ca);

        rect(x ,height-y , w , w);

    }

}