场景切换

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(100);

}

​

var mode=1

function mousePressed(){

mode++

if(mode>3){mode=1}}

​

function mouseMoved() {

    var count=int(random(100,350))

    var r=random(2,20)

    var delta = sqrt(dist(pmouseX,pmouseY,mouseX,mouseY))*10

    if (mode==1){

    for(var i=0; i<count;i++){

    fill(random(255),random(200,255),random(100,200));

    noStroke()

  ellipse(mouseX+random(-delta,delta), mouseY+random(-delta,delta),r);

    r*=0.9}

​

}else if(mode==2){

    fill(random(255),random(0,50),random(200,255))

 ellipse(mouseX,mouseY,50,50)}

 else{

    fill(random(200,255),random(255),random(255))

 rect(mouseX,mouseY,100,100)

 fill(255)

 rect(mouseX+25,mouseY+25,50,50)}

}

​