MarseyWorld/files/assets/events/homoween/js/stalker.js

111 lines
2.5 KiB
JavaScript

const assets = [
"marseyjason",
"marseynightmare",
"marseyhellraiser",
"marseysaw",
"marseyzombie2",
"marseywerewolf",
"marseysatangoat",
"marseyskeleton2",
"marseystabby",
"marseyface",
"marseydaemon",
"marseygrimreaper",
"marseycheshire4",
"marseyaugust",
"marseycerebrus",
"marseyzombie",
"marseything",
"marseytwins",
"marseymonstrosity",
"marseykrampus",
"marseybaphomet",
"marseyfacepeel",
"carpwitchtrans",
"capymummy",
"marseynotesbardfinn"
];
const stalker_container = document.getElementById("stalkers-container")
const count = parseInt(stalker_container.dataset.stalkersCount),
size = 25,
spacing = 4 - 0.05 * count,
diameter = 20 + 0.5 * count,
rotation = 0.04 + 0.001 * count,
speed = 0.03 + 0.002 * count,
offset = 10;
let stalkers = [],
a = Math.round(size * diameter * 0.2),
current = offset,
mouse = {
x: a + offset,
y: a + offset
};
// populate stalkers
for (let i = 0; i < count; i++) {
stalkers[i] = new stalker(i);
}
function stalker(i) {
this.x = 0;
this.y = 0;
this.X = 0;
this.Y = 0;
this.img = document.createElement("img");
this.img.id = "stalker-" + i;
this.img.className = "cursor-stalker";
this.img.src = `${SITE_FULL_IMAGES}/e/${assets[i]}.webp`;
stalker_container.appendChild(this.img);
}
function placestalker(stalker, x, y) {
stalker.x = x;
stalker.y = y;
const left = stalker.x + "px";
const top = stalker.y + "px";
stalker.img.style.transform = `translate(${left}, ${top})`
}
function makeCircle() {
let stalker;
current -= rotation;
for (let i = count - 1; i > -1; --i) {
stalker = stalkers[i];
const top = Math.round(stalker.y + a * Math.sin((current + i) / spacing) - 15) + "px";
const left = Math.round(stalker.x + a * Math.cos((current + i) / spacing)) + "px";
stalker.img.style.transform = `translate(${left}, ${top})`
}
}
addEventListener("mousemove", function (e) {
mouse.x = e.pageX;
mouse.y = e.pageY;
});
function getRandom(min, max) {
return Math.floor(Math.random() * (max - min + 1) + min);
}
function draw() {
let stalker = stalkers[0];
let prevstalker = stalkers[0];
stalker.x = stalker.X += (mouse.x - stalker.X) * speed;
if (screen_width < 768) {
stalker.x = Math.min(stalker.x, screen_width * 0.5);
}
stalker.y = stalker.Y += (mouse.y - stalker.Y) * speed;
for (let i = count - 1; i > 0; --i) {
stalker = stalkers[i];
prevstalker = stalkers[i - 1];
stalker.x = stalker.X += (prevstalker.x - stalker.X) * speed;
stalker.y = stalker.Y += (prevstalker.y - stalker.Y) * speed;
}
makeCircle();
requestAnimationFrame(draw);
}
draw();