きもち
var ball_num;
var ballX = [];
var ballY = [];
var speedX = [];
var speedY = [];
var ball_color = [];
var ball_diameter = [];
var colors = [];
function setup() {
createCanvas(windowWidth,
windowHeight);
ball_num = 30;
colors.push(color(192, 193, 191));
colors.push(color(0, 10, 25));
colors.push(color(190, 215, 240));
colors.push(color(200, 220, 235));
colors.push(color(230, 200, 1111110));
colors.push(color(64,64,64));
colors.push(color(255, 128, 192));
colors.push(color(0, 0,255));
colors.push(color(255, 255,0));
colors.push(color(0, 255,0));
colors.push(color(255, 0,0));
for (var i = 0; i < ball_num; i = i + 1) {
ballX[i] = random(0, windowWidth);
ballY[i] = random(0, windowHeight);
speedX[i] = random(-2.0,10.0);
speedY[i] = random(-2.0, 10.0);
ball_color[i] = floor(random(0, colors.length));
ball_diameter[i] = random(220, 300);
}
}
function draw() {
background(238, 238, 238, 100);
noStroke();
for (var i = 0; i < ball_num; i++) {
ballX[i] = ballX[i] + speedX[i];
ballY[i] = ballY[i] + speedY[i];
if (ballX[i] > windowWidth || ballX[i] < 0) {
speedX[i] = -1 * speedX[i];
}
if (ballY[i] > windowHeight || ballY[i] < 0) {
speedY[i] = -1 * speedY[i];
}
}
for (var i = 0; i < ball_num; i++) {
fill(colors[ball_color[i]]);
ellipse(ballX[i], ballY[i], ball_diameter[i]);
}
}