Every burn is a reason to celebrate! Congratulate yourself with confetti!
// ==UserScript==
// @name WaniKani Super Burn Happy Script
// @namespace mempo
// @description Every burn is a reason to celebrate! Congratulate yourself with confetti!
// @include https://www.wanikani.com/review/session
// @include http://www.wanikani.com/review/session
// @author Toemat
// @version 1.2
// @grant none
// ==/UserScript==
$(document).ready(function () {
//
// CONFIG OPTIONS
//
var VOLUME = 1.0; //Edit this to change sound volume - 0.5 is half, 1.0 is full
//
// END CONFIG DONT EDIT BELOW
//
/**
* Confetti business (modified from 'Confetti' by Patrik Svensson (http://metervara.net))
*/
var frameRate = 30;
var dt = 1.0 / frameRate;
var DEG_TO_RAD = Math.PI / 180;
var RAD_TO_DEG = 180 / Math.PI;
var colors = [
["#df0049", "#660671"],
["#00e857", "#005291"],
["#2bebbc", "#05798a"],
["#ffd200", "#b06c00"]
];
function Vector2(_x, _y) {
this.x = _x, this.y = _y;
this.Length = function () {
return Math.sqrt(this.SqrLength());
}
this.SqrLength = function () {
return this.x * this.x + this.y * this.y;
}
this.Equals = function (_vec0, _vec1) {
return _vec0.x == _vec1.x && _vec0.y == _vec1.y;
}
this.Add = function (_vec) {
this.x += _vec.x;
this.y += _vec.y;
}
this.Sub = function (_vec) {
this.x -= _vec.x;
this.y -= _vec.y;
}
this.Div = function (_f) {
this.x /= _f;
this.y /= _f;
}
this.Mul = function (_f) {
this.x *= _f;
this.y *= _f;
}
this.Normalize = function () {
var sqrLen = this.SqrLength();
if (sqrLen != 0) {
var factor = 1.0 / Math.sqrt(sqrLen);
this.x *= factor;
this.y *= factor;
}
}
this.Normalized = function () {
var sqrLen = this.SqrLength();
if (sqrLen != 0) {
var factor = 1.0 / Math.sqrt(sqrLen);
return new Vector2(this.x * factor, this.y * factor);
}
return new Vector2(0, 0);
}
}
Vector2.Sub = function (_vec0, _vec1) {
return new Vector2(_vec0.x - _vec1.x, _vec0.y - _vec1.y, _vec0.z - _vec1.z);
}
function ConfettiPaper(_x, _y) {
this.dead = false;
this.pos = new Vector2(_x, _y);
this.rotationSpeed = Math.random() * 600 + 800;
this.angle = DEG_TO_RAD * Math.random() * 360;
this.rotation = DEG_TO_RAD * Math.random() * 360;
this.cosA = 1.0;
this.size = 5.0;
this.oscillationSpeed = Math.random() * 1.5 + 0.5;
this.xSpeed = 40.0;
this.ySpeed = Math.random() * 60 + 50.0;
this.corners = new Array();
this.time = Math.random();
var ci = Math.round(Math.random() * (colors.length - 1));
this.frontColor = colors[ci][0];
this.backColor = colors[ci][1];
for (var i = 0; i < 4; i++) {
var dx = Math.cos(this.angle + DEG_TO_RAD * (i * 90 + 45));
var dy = Math.sin(this.angle + DEG_TO_RAD * (i * 90 + 45));
this.corners[i] = new Vector2(dx, dy);
}
this.Update = function (_dt) {
this.time += _dt;
this.rotation += this.rotationSpeed * _dt;
this.cosA = Math.cos(DEG_TO_RAD * this.rotation);
this.pos.x += Math.cos(this.time * this.oscillationSpeed) * this.xSpeed * _dt
this.pos.y += this.ySpeed * _dt;
if (this.pos.y > ConfettiPaper.bounds.y) {
this.dead = true;
}
}
this.Draw = function (_g) {
if (this.cosA > 0) {
_g.fillStyle = this.frontColor;
} else {
_g.fillStyle = this.backColor;
}
_g.beginPath();
_g.moveTo(this.pos.x + this.corners[0].x * this.size, this.pos.y + this.corners[0].y * this.size * this.cosA);
for (var i = 1; i < 4; i++) {
_g.lineTo(this.pos.x + this.corners[i].x * this.size, this.pos.y + this.corners[i].y * this.size * this.cosA);
}
_g.closePath();
_g.fill();
}
}
ConfettiPaper.bounds = new Vector2(0, 0);
ConfettiMachine = function(parent) {
var i = 0;
var canvasParent = document.querySelector(parent);
var canvas = document.createElement('canvas');
canvas.width = canvasParent.offsetWidth;
canvas.height = canvasParent.offsetHeight;
canvas.style.pointerEvents = 'none';
canvas.style.position = 'absolute';
canvas.style.top = 0;
canvas.style.left = 0;
canvas.style.zIndex = 9999;
canvasParent.appendChild(canvas);
var context = canvas.getContext('2d');
var interval = null;
var confettiPaperCount = 100;
var confettiPapers = new Array();
this.pop = function() {
ConfettiPaper.bounds = new Vector2(canvas.width, canvas.height);
for (i = 0; i < confettiPaperCount; i++) {
confettiPapers.push(new ConfettiPaper(Math.random() * canvas.width, Math.random() * (-50)));
}
this.start();
}
this.resize = function() {
canvas.width = canvasParent.offsetWidth;
canvas.height = canvasParent.offsetHeight;
ConfettiPaper.bounds = new Vector2(canvas.width, canvas.height);
ConfettiRibbon.bounds = new Vector2(canvas.width, canvas.height);
}
this.start = function() {
this.stop()
var context = this
this.interval = setInterval(function () {
confetti.update();
}, 1000.0 / frameRate)
}
this.stop = function() {
clearInterval(this.interval);
}
this.update = function() {
var i = 0;
context.clearRect(0, 0, canvas.width, canvas.height);
for (i = 0; i < confettiPapers.length; i++) {
confettiPapers[i].Update(dt);
confettiPapers[i].Draw(context);
if(confettiPapers[i].dead == true){
confettiPapers.splice(i, 1);
}
}
if(confettiPapers.length == 0){
this.stop();
}
}
}
confetti = new ConfettiMachine('body');
$(window).resize(function () {
confetti.resize();
});
/**
* Sound effect
*/
theSound = new Audio("//toemat.com/wanikani/burnit.ogg");
theSound.volume = VOLUME;
/**
* Listen for the burn SRS indicator
*/
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if(mutation.addedNodes.length == 1){
var newNode = mutation.addedNodes[0];
if($(newNode).children().hasClass('srs-burn')){
theSound.play();
setTimeout(function(){
confetti.pop();
}, 1675);
}
}
});
});
//Bind the observer, if it doensn't work keep trying until it does.
if(!bindObserver()){
var clock = setInterval(function(){
if(bindObserver()){
clearInterval(clock);
}
}, 1000);
}
function bindObserver(){
if($('#question-type').length != 0){
observer.observe($('#question-type')[0], {
childList: true
});
return true;
} else {
return false;
}
}
});
// Hook into App Store
try { $('.app-store-menu-item').remove(); $('<li class="app-store-menu-item"><a href="https://community.wanikani.com/t/there-are-so-many-user-scripts-now-that-discovering-them-is-hard/20709">App Store</a></li>').insertBefore($('.navbar .dropdown-menu .nav-header:contains("Account")')); window.appStoreRegistry = window.appStoreRegistry || {}; window.appStoreRegistry[GM_info.script.uuid] = GM_info; localStorage.appStoreRegistry = JSON.stringify(appStoreRegistry); } catch (e) {}