celebrate with fireworks if bingo was scored
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8a05f69cfb
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235
fireworks.js
Normal file
235
fireworks.js
Normal file
@ -0,0 +1,235 @@
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window.requestAnimFrame = (function () {
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return window.requestAnimationFrame ||
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window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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function (callback) {
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window.setTimeout(callback, 1000 / 60);
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};
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})();
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var canvas = null,
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ctx = null,
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cw = window.innerWidth,
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ch = window.innerHeight,
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fireworksLimit = 10,
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fireworksShown = 0,
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fireworks = [],
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particles = [],
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hue = 120,
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timerTotal = 25,
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timerTick = 0,
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animationEnd = true;
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function random(min, max) {
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return Math.random() * (max - min) + min;
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}
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/* To sprawdzic... */
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function calculateDistance(p1x, p1y, p2x, p2y) {
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var xDistance = p1x - p2x,
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yDistance = p1y - p2y;
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return Math.sqrt(Math.pow(xDistance, 2) + Math.pow(yDistance, 2));
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}
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function Firework(sx, sy, tx, ty) {
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this.x = sx;
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this.y = sy;
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this.sx = sx;
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this.sy = sy;
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this.tx = tx;
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this.ty = ty;
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this.distanceToTarget = calculateDistance(sx, sy, tx, ty);
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this.distanceTraveled = 0;
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this.coordinates = [];
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this.coordinateCount = 3;
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while (this.coordinateCount--) {
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this.coordinates.push([this.x, this.y]);
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}
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this.angle = Math.atan2(ty - sy, tx - sx);
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this.speed = 2;
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this.acceleration = 1.05;
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this.brightness = random(50, 70);
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this.targetRadius = 1;
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}
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Firework.prototype.update = function (index) {
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this.coordinates.pop();
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this.coordinates.unshift([this.x, this.y]);
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if (this.targetRadius < 8) {
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this.targetRadius += 0.3;
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} else {
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this.targetRadius = 1;
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}
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// speed up the firework
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this.speed *= this.acceleration;
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// get the current velocities based on angle and speed
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var vx = Math.cos(this.angle) * this.speed,
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vy = Math.sin(this.angle) * this.speed;
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// how far will the firework have traveled with velocities applied?
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this.distanceTraveled = calculateDistance(this.sx, this.sy, this.x + vx, this.y + vy);
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if (this.distanceTraveled >= this.distanceToTarget) {
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createParticles(this.tx, this.ty);
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// remove the firework, use the index passed into the update function to determine which to remove
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fireworks.splice(index, 1);
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} else {
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// target not reached, keep traveling
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this.x += vx;
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this.y += vy;
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}
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}
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// draw firework
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Firework.prototype.draw = function () {
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ctx.beginPath();
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// move to the last tracked coordinate in the set, then draw a line to the current x and y
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ctx.moveTo(this.coordinates[this.coordinates.length - 1][0], this.coordinates[this.coordinates.length - 1][1]);
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ctx.lineTo(this.x, this.y);
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ctx.strokeStyle = 'hsl(' + hue + ', 100%, ' + this.brightness + '%)';
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ctx.stroke();
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}
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function Particle(x, y) {
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this.x = x;
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this.y = y;
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// track the past coordinates of each particle to create a trail effect, increase the coordinate count to create more prominent trails
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this.coordinates = [];
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this.coordinateCount = 5;
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while (this.coordinateCount--) {
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this.coordinates.push([this.x, this.y]);
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}
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// set a random angle in all possible directions, in radians
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this.angle = random(0, Math.PI * 2);
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this.speed = random(1, 10);
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// friction will slow the particle down
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this.friction = 0.98;
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// gravity will be applied and pull the particle down
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this.gravity = 1;
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// set the hue to a random number +-50 of the overall hue variable
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this.hue = random(hue - 50, hue + 50);
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this.brightness = random(50, 80);
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this.alpha = 1;
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// set how fast the particle fades out
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this.decay = random(0.015, 0.03);
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}
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// update particle
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Particle.prototype.update = function (index) {
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// remove last item in coordinates array
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this.coordinates.pop();
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// add current coordinates to the start of the array
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this.coordinates.unshift([this.x, this.y]);
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// slow down the particle
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this.speed *= this.friction;
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// apply velocity
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this.x += Math.cos(this.angle) * this.speed;
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this.y += Math.sin(this.angle) * this.speed + this.gravity;
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// fade out the particle
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this.alpha -= this.decay;
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// remove the particle once the alpha is low enough, based on the passed in index
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if (this.alpha <= this.decay) {
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particles.splice(index, 1);
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}
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if (particles.length === 0) {
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if (fireworksShown === fireworksLimit) {
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animationEnd = true;
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}
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}
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}
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// draw particle
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Particle.prototype.draw = function () {
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ctx.beginPath();
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// move to the last tracked coordinates in the set, then draw a line to the current x and y
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ctx.moveTo(this.coordinates[this.coordinates.length - 1][0], this.coordinates[this.coordinates.length - 1][1]);
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ctx.lineTo(this.x, this.y);
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ctx.strokeStyle = 'hsla(' + this.hue + ', 100%, ' + this.brightness + '%, ' + this.alpha + ')';
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ctx.stroke();
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}
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// create particle group/explosion
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function createParticles(x, y) {
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// increase the particle count for a bigger explosion, beware of the canvas performance hit with the increased particles though
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var particleCount = 500;
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while (particleCount--) {
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particles.push(new Particle(x, y));
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}
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}
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function loop() {
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if (animationEnd === true) {
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animationFinish();
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return true;
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}
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requestAnimationFrame(loop);
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hue = random(0, 360);
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ctx.globalCompositeOperation = 'destination-out';
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ctx.fillStyle = 'rgba(0, 0, 0, 0.5)';
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ctx.fillRect(0, 0, cw, ch);
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ctx.globalCompositeOperation = 'lighter';
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var i = fireworks.length;
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while (i--) {
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fireworks[i].draw();
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fireworks[i].update(i);
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}
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var i = particles.length;
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while (i--) {
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particles[i].draw();
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particles[i].update(i);
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}
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if (timerTick >= timerTotal) {
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// start the firework at the bottom middle of the screen, then set the random target coordinates, the random y coordinates will be set within the range of the top half of the screen
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if (fireworksShown < fireworksLimit) {
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fireworks.push(new Firework(cw / 2, ch, random(0, cw), random(0, ch / 2)));
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fireworksShown++;
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timerTick = 0;
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}
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} else {
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timerTick++;
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}
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}
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//window.onload = loop;
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window.fireworks.start = function () {
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/* Prevent multiple animations */
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if (animationEnd === false) {
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return false;
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}
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fireworksShown = 0;
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animationEnd = false;
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canvas = document.createElement('canvas');
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document.body.appendChild(canvas);
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ctx = canvas.getContext('2d');
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canvas.style.zIndex = 100;
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canvas.style.top = 0;
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canvas.style.left = 0;
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canvas.style.position = 'fixed';
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canvas.width = cw;
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canvas.height = ch;
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//canvas.style.background = "rgba(0,0,0,0.7)";
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loop();
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//setTimeout(function(){animationEnd = true;}, 4500);
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}
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animationFinish = function () {
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document.body.removeChild(canvas);
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};
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41
index.html
41
index.html
@ -9,11 +9,50 @@
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<link rel="stylesheet" href="style.css">
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<script src="script.js" defer></script>
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<script src="fireworks.js" defer></script>
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</head>
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<body>
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<h1>7 vs. Wild Bingo <span id="refresh-bingo">🔄</span></h1>
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<table id="bingo"></table>
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<table id="bingo">
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<tr>
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<td data-row="0" data-col="0" class="bingo-field"></td>
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<td data-row="0" data-col="1" class="bingo-field"></td>
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<td data-row="0" data-col="2" class="bingo-field"></td>
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<td data-row="0" data-col="3" class="bingo-field"></td>
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<td data-row="0" data-col="4" class="bingo-field"></td>
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</tr>
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<tr>
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<td data-row="1" data-col="0" class="bingo-field"></td>
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<td data-row="1" data-col="1" class="bingo-field"></td>
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<td data-row="1" data-col="2" class="bingo-field"></td>
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<td data-row="1" data-col="3" class="bingo-field"></td>
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<td data-row="1" data-col="4" class="bingo-field"></td>
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</tr>
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<tr>
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<td data-row="2" data-col="0" class="bingo-field"></td>
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<td data-row="2" data-col="1" class="bingo-field"></td>
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<td data-row="2" data-col="2" class="center-field drawn">
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<img id="center-field-image" alt="Image" src="#">
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</td>
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<td data-row="2" data-col="3" class="bingo-field"></td>
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<td data-row="2" data-col="4" class="bingo-field"></td>
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</tr>
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<tr>
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<td data-row="3" data-col="0" class="bingo-field"></td>
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<td data-row="3" data-col="1" class="bingo-field"></td>
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<td data-row="3" data-col="2" class="bingo-field"></td>
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<td data-row="3" data-col="3" class="bingo-field"></td>
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<td data-row="3" data-col="4" class="bingo-field"></td>
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</tr>
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<tr>
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<td data-row="4" data-col="0" class="bingo-field"></td>
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<td data-row="4" data-col="1" class="bingo-field"></td>
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<td data-row="4" data-col="2" class="bingo-field"></td>
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<td data-row="4" data-col="3" class="bingo-field"></td>
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<td data-row="4" data-col="4" class="bingo-field"></td>
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</tr>
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</table>
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<p id="seeed">Seeed: <span id="seeed-value"></span> <span id="copy-permalink">📋</span></p>
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</body>
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</html>
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115
script.js
115
script.js
@ -1,3 +1,4 @@
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"use strict"
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let fields = [
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// 'MARTINAA/JAAAAA??!!',
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// '"Du bist doch auch so einer, der ..."',
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@ -49,19 +50,28 @@ let fields = [
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'kleine Krebse',
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];
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const FREE_FIELD_TEXT = "Freies Parken"
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let seed;
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const urlParams = new URLSearchParams(window.location.search);
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const seed_elem = document.querySelector('#seeed-value');
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const centerFieldImage = document.querySelector('#center-field-image');
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const bingoFields = document.querySelectorAll('#bingo td.bingo-field');
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const refreshBingoButton = document.querySelector('#refresh-bingo');
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const copyPermalinkButton = document.querySelector('#copy-permalink');
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centerFieldImage.src = "img/7-vs-wild-logo.svg";
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centerFieldImage.alt = "7 vs. Wild Logo";
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/**
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* Reads the seed from URL Parameter or generates new seed
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*/
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let seed;
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if (urlParams.has('seeed')) {
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seed = urlParams.get('seeed');
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} else {
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seed = Date.now().toString();
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}
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const copyPermalinkButton = document.querySelector('#copy-permalink');
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const copyPermalinkToClipboard = function () {
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const permalink = window.location.href;
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navigator.clipboard.writeText(permalink);
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@ -69,69 +79,75 @@ const copyPermalinkToClipboard = function () {
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copyPermalinkButton.addEventListener('click', copyPermalinkToClipboard);
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const generateTable = function () {
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const shuffleBoard = () => {
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let prng_hash_seed = cyrb128(seed);
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let rand = sfc32(prng_hash_seed[0], prng_hash_seed[1], prng_hash_seed[2], prng_hash_seed[3]);
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let shuffled = fields
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return fields
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.map(value => ({value, sort: rand()}))
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.sort((a, b) => a.sort - b.sort)
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.map(({value}) => value)
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shuffled.splice(12, 0, FREE_FIELD_TEXT);
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return shuffled;
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}
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const drawTable = function () {
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let shuffled = generateTable();
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const checkForBingo = (field) => {
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let bingo = false;
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let clickedRow = parseInt(field.dataset.row);
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let clickedCol = parseInt(field.dataset.col);
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const bingoTable = document.querySelector('#bingo');
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let table = document.createElement('table');
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table.id = 'bingo';
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let tableBody = document.createElement('tbody');
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let row;
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shuffled.forEach((field, index) => {
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if (index % 5 === 0) {
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row = tableBody.insertRow();
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}
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let cell = row.insertCell();
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let text = document.createTextNode(field);
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if (field === FREE_FIELD_TEXT) {
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cell.className = 'center-field';
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}
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cell.appendChild(text);
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});
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table.appendChild(tableBody);
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bingoTable.replaceWith(table);
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table.addEventListener('click', (ev) => {
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let cell;
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let target_type = ev.target.tagName.toLowerCase();
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if (target_type === "td") {
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cell = ev.target;
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} else if (target_type === "img") {
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cell = ev.target.parentNode;
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//check horizontal and vertical axis
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if (document.querySelectorAll(`#bingo td.bingo-field.drawn[data-row='${clickedRow}']`).length === 5
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|| document.querySelectorAll(`#bingo td.bingo-field.drawn[data-col='${clickedCol}']`).length === 5) {
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bingo = true
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}
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if (cell) {
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if (cell.classList.contains('drawn')) {
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cell.classList.remove('drawn');
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//check diagonal axis
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if (clickedRow === clickedCol) {
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if (
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="0"][data-col="0"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="1"][data-col="1"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="3"][data-col="3"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="4"][data-col="4"]`)
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) {
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bingo = true;
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}
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} else if (clickedRow + clickedCol === 4) {
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if (
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="0"][data-col="4"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="1"][data-col="3"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="3"][data-col="1"]`) &&
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document.querySelector(`#bingo td.bingo-field.drawn[data-row="4"][data-col="0"]`)
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) {
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bingo = true;
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}
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}
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if (bingo) {
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window.fireworks.start();
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}
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};
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const drawBingoFieldEventHandler = (ev) => {
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let field = ev.target;
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if (field) {
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if (field.classList.contains('drawn')) {
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field.classList.remove('drawn');
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} else {
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cell.classList.add('drawn');
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field.classList.add('drawn');
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checkForBingo(field);
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}
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} else {
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console.error('Sum ting wong (* ￣︿￣)');
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}
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};
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const drawTable = () => {
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shuffleBoard().forEach((field, index) => {
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bingoFields[index].textContent = field;
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bingoFields[index].addEventListener('click', drawBingoFieldEventHandler);
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});
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seed_elem.innerText = seed;
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window.history.pushState(null, null, '?seeed=' + seed);
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const center_field = document.querySelector('.center-field');
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center_field.innerHTML = '<img src="img/7-vs-wild-logo.svg" alt="7 vs. Wild Logo">'
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}
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// hash function, thx stackoverflow :3
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@ -181,9 +197,10 @@ function mulberry32(a) {
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drawTable();
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const refreshBingoButton = document.querySelector('#refresh-bingo');
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const redrawTable = function () {
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bingoFields.forEach(elem => elem.classList.remove('drawn'));
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seed = Date.now().toString();
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drawTable()
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drawTable();
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}
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refreshBingoButton.addEventListener('click', redrawTable)
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