色の四角形
var rectX = [];
var rectY = [];
var rectWidth = [];
var rectHeight = [];
var colors = [];
var time;
function setup() {
createCanvas(windowWidth,
windowHeight);
angleMode(DEGREES);
rectMode(CENTER);
for (var i = 90; i > 0; i = i - 5) {
rectX[i] = windowWidth / 2;
rectY[i] = windowHeight / 2;
rectWidth[i] = i * (windowHeight / 90);
rectHeight[i] = windowHeight * sin(i);
}
colors.push(color(25, 15, 40, 50));
colors.push(color(90, 160, 245, 128));
colors.push(color(120, 250, 125, 100));
colors.push(color(170, 255, 255, 150));
colors.push(color(255, 200, 100, 40));
time = 0;
}
function draw() {
background(500, 500, 500);
strokeWeight(6);
stroke(150, 150, 150, 50);
for (var i = 90; i > 0; i = i - 5) {
var c = getColor(i / 90);
fill(c);
rect(rectX[i] + 60 * sin(3.0 * i + time), rectY[i], rectWidth[i], rectHeight[i]);
}
time = time + 1;
}
function getColor(t) {
t = constrain(t, 0.000, 0.9999);
var p = t * (colors.length - 1);
var from = floor(p);
return lerpColor(colors[from], colors[from + 1], p - from);
}