mouseIsPressed => λ²μ©λ²μ©
function setup() {
createCanvas(windowWidth, windowHeight);
background(220);
}
function draw() {
console.log(mouseIsPressed);
if (mouseIsPressed) {
background(random(255), random(255), random(255));
}
circle(mouseX + random(-10, 10), mouseY + random(-10, 10), random(50));
}

mousePressed => κΉλ no λ²μ©
function setup() {
createCanvas(windowWidth, windowHeight);
background(220);
}
function draw() {
circle(mouseX + random(-10, 10), mouseY + random(-10, 10), random(50));
}
function mousePressed() {
background(random(255), random(255), random(255));
}
