audio-vis/out/js/scripts.js

2487 lines
70 KiB
JavaScript

class VTUtils {
static random(min, max) {
let rand = Math.random();
if (typeof min === 'undefined') {
return rand;
} else if (typeof max === 'undefined') {
if (min instanceof Array) {
return min[Math.floor(rand * min.length)];
} else {
return rand * min;
}
} else {
if (min > max) {
let tmp = min;
min = max;
max = tmp;
}
return rand * (max - min) + min;
}
};
static randomInt(min, max) {
return Math.floor(VTUtils.random(min, max));
}
static normalize(val, max, min) {
return (val - min) / (max - min);
};
static distance(x, y, x2, y2) {
let a = x - x2;
let b = y - y2;
return Math.sqrt(a * a + b * b);
}
static map(n, start1, stop1, start2, stop2, withinBounds) {
let newVal = (n - start1) / (stop1 - start1) * (stop2 - start2) + start2;
if (!withinBounds) {
return newVal;
}
if (start2 < stop2) {
return this.constrain(newVal, start2, stop2);
} else {
return this.constrain(newVal, stop2, start2);
}
};
static constrain(n, low, high) {
return Math.max(Math.min(n, high), low);
}
static hsvToRgb(h, s, v) {
let r, g, b,
i = Math.floor(h * 6),
f = h * 6 - i,
p = v * (1 - s),
q = v * (1 - f * s),
t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0:
r = v, g = t, b = p;
break;
case 1:
r = q, g = v, b = p;
break;
case 2:
r = p, g = v, b = t;
break;
case 3:
r = p, g = q, b = v;
break;
case 4:
r = t, g = p, b = v;
break;
case 5:
r = v, g = p, b = q;
break;
}
return {r: r, g: g, b: b};
}
static peakRGB(peak) {
return {
r: peak,
g: 1 - peak,
b: 0
};
}
}
class VTVector {
constructor(x, y, z) {
this.x = x || 0;
this.y = y || 0;
this.z = z || 0;
}
//helper
static createRandom(x, y, z) {
x = x || 1;
y = y || 1;
z = z || 0;
return new VTVector(VTUtils.random(-x, x), VTUtils.random(-y, y), VTUtils.random(-z, z));
}
mult(times) {
this.x *= times;
this.y *= times;
this.z *= times;
}
set(vector) {
this.x = vector.x;
this.y = vector.y;
this.z = vector.z;
}
add(vector) {
this.x = this.x + vector.x;
this.y = this.y + vector.y;
this.z = this.z + vector.z;
}
addXYZ(x, y, z) {
this.x += x;
this.y += y;
this.z += z;
}
setXYZ(x, y, z) {
this.x = x || 0;
this.y = y || 0;
this.z = z || 0;
}
clone() {
return new VTVector(this.x, this.y, this.z);
}
}
function $(sel, s) {
s = s || document;
return s.querySelector(sel);
}
function $$(sel, s) {
s = s || document;
return s.querySelectorAll(sel);
}
Node.prototype.addDelegatedEventListener = function (type, aim, cb) {
this.addEventListener(type, (event) => {
let target = event.target;
if (target.matches(aim)) {
cb(event, target);
} else {
let parent = target.closest(aim);
if (parent) {
try {
cb(event, parent);
} catch (e) {
NotificationHandler.createNotification("FATAL ERROR WITHIN HANDLER!", "error", 1000);
//nothing!
}
}
}
})
};
Node.prototype.hasClass = function (className) {
let items = className.split(','),
has = null;
for (let item of items) {
if (has === false) {
break;
}
has = this.classList.contains(item.trim());
}
return has === true;
}
Node.prototype.addClass = function (className) {
let items = className.split(',');
for (let item of items) {
this.classList.add(item.trim());
}
return this;
}
Node.prototype.removeClass = function (className) {
let items = className.split(',');
for (let item of items) {
this.classList.remove(item.trim());
}
return this;
}
Node.prototype.toggleClass = function (className, force) {
let items = className.split(',');
for (let item of items) {
this.classList.toggle(item.trim(), force);
}
}
Node.prototype.switchClass = function (clOne, clTwo, twoOne) {
let cl = this.classList;
if (twoOne) {
cl.remove(clOne);
cl.add(clTwo)
} else {
cl.remove(clTwo)
cl.add(clOne)
}
}
Node.prototype.toggleCheck = function (className, force) {
let cl = this.classList;
let items = className.split(',');
for (let item of items) {
let clOne = item.trim();
if (force) {
cl.add(clOne);
} else {
cl.remove(clOne)
}
}
}
String.prototype.firstUpper = function () {
return this.charAt(0).toUpperCase() + this.slice(1);
}
File.prototype.toBase64 = function (cb) {
const reader = new FileReader();
reader.onloadend = cb;
reader.readAsDataURL(this);
}
function b64toBlob(b64Data, type) {
const byteCharacters = atob(b64Data);
const byteNumbers = new Array(byteCharacters.length);
for (let i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
const byteArray = new Uint8Array(byteNumbers);
return new Blob([byteArray], {type: type});
}
function create(name, content) {
let d = document.createElement(name);
if (content) {
d.innerHTML = content;
}
return d;
}
function append(to, array) {
for (let item of array) {
to.appendChild(item);
}
}
function hexToRgb(hex) {
hex = hex.replace("#", "");
let bigint = parseInt(hex, 16),
r = (bigint >> 16) & 255,
g = (bigint >> 8) & 255,
b = bigint & 255;
return [r / 255, g / 255, b / 255];
}
// most of the functions are from https://webglfundamentals.org/webgl/resources/m4.js! but i doesnt want to use them all and make some adjustment to them!
class TDUtils {
static lastMatrix = {m: null};
static multiply(a, b) {
let b00 = b[0];
let b01 = b[1];
let b02 = b[2];
let b03 = b[3];
let b10 = b[4];
let b11 = b[5];
let b12 = b[6];
let b13 = b[7];
let b20 = b[8];
let b21 = b[9];
let b22 = b[10];
let b23 = b[11];
let b30 = b[12];
let b31 = b[13];
let b32 = b[14];
let b33 = b[15];
let a00 = a[0];
let a01 = a[1];
let a02 = a[2];
let a03 = a[3];
let a10 = a[4];
let a11 = a[5];
let a12 = a[6];
let a13 = a[7];
let a20 = a[8];
let a21 = a[9];
let a22 = a[10];
let a23 = a[11];
let a30 = a[12];
let a31 = a[13];
let a32 = a[14];
let a33 = a[15];
return [
b00 * a00 + b01 * a10 + b02 * a20 + b03 * a30,
b00 * a01 + b01 * a11 + b02 * a21 + b03 * a31,
b00 * a02 + b01 * a12 + b02 * a22 + b03 * a32,
b00 * a03 + b01 * a13 + b02 * a23 + b03 * a33,
b10 * a00 + b11 * a10 + b12 * a20 + b13 * a30,
b10 * a01 + b11 * a11 + b12 * a21 + b13 * a31,
b10 * a02 + b11 * a12 + b12 * a22 + b13 * a32,
b10 * a03 + b11 * a13 + b12 * a23 + b13 * a33,
b20 * a00 + b21 * a10 + b22 * a20 + b23 * a30,
b20 * a01 + b21 * a11 + b22 * a21 + b23 * a31,
b20 * a02 + b21 * a12 + b22 * a22 + b23 * a32,
b20 * a03 + b21 * a13 + b22 * a23 + b23 * a33,
b30 * a00 + b31 * a10 + b32 * a20 + b33 * a30,
b30 * a01 + b31 * a11 + b32 * a21 + b33 * a31,
b30 * a02 + b31 * a12 + b32 * a22 + b33 * a32,
b30 * a03 + b31 * a13 + b32 * a23 + b33 * a33
];
}
static translate(m, tx, ty, tz, dst) {
dst = dst || new Float32Array(16);
let m00 = m[0],
m01 = m[1],
m02 = m[2],
m03 = m[3],
m10 = m[4],
m11 = m[5],
m12 = m[6],
m13 = m[7],
m20 = m[8],
m21 = m[9],
m22 = m[10],
m23 = m[11],
m30 = m[12],
m31 = m[13],
m32 = m[14],
m33 = m[15];
dst[0] = m00;
dst[1] = m01;
dst[2] = m02;
dst[3] = m03;
dst[4] = m10;
dst[5] = m11;
dst[6] = m12;
dst[7] = m13;
dst[8] = m20;
dst[9] = m21;
dst[10] = m22;
dst[11] = m23;
dst[12] = m00 * tx + m10 * ty + m20 * tz + m30;
dst[13] = m01 * tx + m11 * ty + m21 * tz + m31;
dst[14] = m02 * tx + m12 * ty + m22 * tz + m32;
dst[15] = m03 * tx + m13 * ty + m23 * tz + m33;
return dst;
}
static xRotation(angle) {
angle = TDUtils.degToRad(angle);
let c = Math.cos(angle);
let s = Math.sin(angle);
return [
1, 0, 0, 0,
0, c, s, 0,
0, -s, c, 0,
0, 0, 0, 1,
];
}
static yRotation(angle) {
angle = TDUtils.degToRad(angle);
let c = Math.cos(angle);
let s = Math.sin(angle);
return [
c, 0, -s, 0,
0, 1, 0, 0,
s, 0, c, 0,
0, 0, 0, 1,
];
}
static zRotation(angle) {
angle = TDUtils.degToRad(angle);
let c = Math.cos(angle);
let s = Math.sin(angle);
return [
c, s, 0, 0,
-s, c, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
];
}
static degToRad(d) {
return d * Math.PI / 180;
}
static scale(sx, sy, sz, dst) {
dst = dst || new Float32Array(16);
dst[0] = sx;
dst[5] = sy;
dst[10] = sz;
return dst;
}
static lookAt(cameraPosition, target, up, dst) {
dst = dst || new Float32Array(16);
let zAxis = TDUtils.normalize(
TDUtils.subtractVectors(cameraPosition, target));
let xAxis = TDUtils.normalize(TDUtils.cross(up, zAxis));
let yAxis = TDUtils.normalize(TDUtils.cross(zAxis, xAxis));
dst[0] = xAxis[0];
dst[1] = xAxis[1];
dst[2] = xAxis[2];
dst[4] = yAxis[0];
dst[5] = yAxis[1];
dst[6] = yAxis[2];
dst[8] = zAxis[0];
dst[9] = zAxis[1];
dst[10] = zAxis[2];
dst[12] = cameraPosition[0];
dst[13] = cameraPosition[1];
dst[14] = cameraPosition[2];
dst[15] = 1;
return dst;
}
static cross(a, b, dst) {
dst = dst || new Float32Array(3);
dst[0] = a[1] * b[2] - a[2] * b[1];
dst[1] = a[2] * b[0] - a[0] * b[2];
dst[2] = a[0] * b[1] - a[1] * b[0];
return dst;
}
static normalize(v, dst) {
dst = dst || new Float32Array(3);
let length = Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
if (length > 0.00001) {
dst[0] = v[0] / length;
dst[1] = v[1] / length;
dst[2] = v[2] / length;
}
return dst;
}
static subtractVectors(a, b, dst) {
dst = dst || new Float32Array(3);
dst[0] = a[0] - b[0];
dst[1] = a[1] - b[1];
dst[2] = a[2] - b[2];
return dst;
}
static perspective(fieldOfViewInRadians, aspect, near, far, dst) {
dst = dst || new Float32Array(16);
let f = Math.tan(Math.PI * 0.5 - 0.5 * fieldOfViewInRadians),
rangeInv = 1.0 / (near - far);
dst[0] = f / aspect;
dst[5] = f;
dst[10] = (near + far) * rangeInv;
dst[11] = -1;
dst[14] = near * far * rangeInv * 2;
return dst;
}
static projection(width, height, depth) {
return [
2 / width, 0, 0, 0,
0, -2 / height, 0, 0,
0, 0, 2 / depth, 0,
-1, 1, 0, 1,
];
}
static inverse(m, dst) {
dst = dst || new Float32Array(16);
let m00 = m[0],
m01 = m[1],
m02 = m[2],
m03 = m[3],
m10 = m[4],
m11 = m[5],
m12 = m[6],
m13 = m[7],
m20 = m[8],
m21 = m[9],
m22 = m[10],
m23 = m[11],
m30 = m[12],
m31 = m[13],
m32 = m[14],
m33 = m[15],
tmp_0 = m22 * m33,
tmp_1 = m32 * m23,
tmp_2 = m12 * m33,
tmp_3 = m32 * m13,
tmp_4 = m12 * m23,
tmp_5 = m22 * m13,
tmp_6 = m02 * m33,
tmp_7 = m32 * m03,
tmp_8 = m02 * m23,
tmp_9 = m22 * m03,
tmp_10 = m02 * m13,
tmp_11 = m12 * m03,
tmp_12 = m20 * m31,
tmp_13 = m30 * m21,
tmp_14 = m10 * m31,
tmp_15 = m30 * m11,
tmp_16 = m10 * m21,
tmp_17 = m20 * m11,
tmp_18 = m00 * m31,
tmp_19 = m30 * m01,
tmp_20 = m00 * m21,
tmp_21 = m20 * m01,
tmp_22 = m00 * m11,
tmp_23 = m10 * m01,
t0 = (tmp_0 * m11 + tmp_3 * m21 + tmp_4 * m31) -
(tmp_1 * m11 + tmp_2 * m21 + tmp_5 * m31),
t1 = (tmp_1 * m01 + tmp_6 * m21 + tmp_9 * m31) -
(tmp_0 * m01 + tmp_7 * m21 + tmp_8 * m31),
t2 = (tmp_2 * m01 + tmp_7 * m11 + tmp_10 * m31) -
(tmp_3 * m01 + tmp_6 * m11 + tmp_11 * m31),
t3 = (tmp_5 * m01 + tmp_8 * m11 + tmp_11 * m21) -
(tmp_4 * m01 + tmp_9 * m11 + tmp_10 * m21),
d = 1.0 / (m00 * t0 + m10 * t1 + m20 * t2 + m30 * t3);
dst[0] = d * t0;
dst[1] = d * t1;
dst[2] = d * t2;
dst[3] = d * t3;
dst[4] = d * ((tmp_1 * m10 + tmp_2 * m20 + tmp_5 * m30) -
(tmp_0 * m10 + tmp_3 * m20 + tmp_4 * m30));
dst[5] = d * ((tmp_0 * m00 + tmp_7 * m20 + tmp_8 * m30) -
(tmp_1 * m00 + tmp_6 * m20 + tmp_9 * m30));
dst[6] = d * ((tmp_3 * m00 + tmp_6 * m10 + tmp_11 * m30) -
(tmp_2 * m00 + tmp_7 * m10 + tmp_10 * m30));
dst[7] = d * ((tmp_4 * m00 + tmp_9 * m10 + tmp_10 * m20) -
(tmp_5 * m00 + tmp_8 * m10 + tmp_11 * m20));
dst[8] = d * ((tmp_12 * m13 + tmp_15 * m23 + tmp_16 * m33) -
(tmp_13 * m13 + tmp_14 * m23 + tmp_17 * m33));
dst[9] = d * ((tmp_13 * m03 + tmp_18 * m23 + tmp_21 * m33) -
(tmp_12 * m03 + tmp_19 * m23 + tmp_20 * m33));
dst[10] = d * ((tmp_14 * m03 + tmp_19 * m13 + tmp_22 * m33) -
(tmp_15 * m03 + tmp_18 * m13 + tmp_23 * m33));
dst[11] = d * ((tmp_17 * m03 + tmp_20 * m13 + tmp_23 * m23) -
(tmp_16 * m03 + tmp_21 * m13 + tmp_22 * m23));
dst[12] = d * ((tmp_14 * m22 + tmp_17 * m32 + tmp_13 * m12) -
(tmp_16 * m32 + tmp_12 * m12 + tmp_15 * m22));
dst[13] = d * ((tmp_20 * m32 + tmp_12 * m02 + tmp_19 * m22) -
(tmp_18 * m22 + tmp_21 * m32 + tmp_13 * m02));
dst[14] = d * ((tmp_18 * m12 + tmp_23 * m32 + tmp_15 * m02) -
(tmp_22 * m32 + tmp_14 * m02 + tmp_19 * m12));
dst[15] = d * ((tmp_22 * m22 + tmp_16 * m02 + tmp_21 * m12) -
(tmp_20 * m12 + tmp_23 * m22 + tmp_17 * m02));
return dst;
}
static aspectView(aspect) {
return [
1 / aspect, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
]
}
static updateRotate(rotation, def) {
let value = vConf.get(rotation, def) + vConf.get(rotation + '-inc', 0)
if (value > 360) {
value -= 360;
} else if (value < -360) {
value += 360;
}
vConf.set(rotation, value);
}
static makeZToWMatrix(fudgeFactor) {
return [
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, fudgeFactor,
0, 0, 0, 1,
];
}
}
class GLHelper {
constructor(program) {
this.matrix = new Float32Array(16);
this.program = program;
}
static uniform4fv(program, name, data) {
let uniform = gl.getUniformLocation(program, name);
gl.uniform4fv(uniform, data);
}
static uniform3fv(program, name, data) {
let uniform = gl.getUniformLocation(program, name);
gl.uniform3fv(uniform, data);
}
static uniform1f(program, name, data) {
let uniform = gl.getUniformLocation(program, name);
gl.uniform1f(uniform, data);
}
rotateX(deg) {
this.matrix = TDUtils.multiply(this.matrix, TDUtils.xRotation(deg));
}
rotateY(deg) {
this.matrix = TDUtils.multiply(this.matrix, TDUtils.yRotation(deg));
}
rotateZ(deg) {
this.matrix = TDUtils.multiply(this.matrix, TDUtils.zRotation(deg));
}
scale(scaling) {
this.matrix = TDUtils.multiply(this.matrix, TDUtils.scale(scaling[0], scaling[1], scaling[2]))
}
project(depth) {
depth = depth || (c.width > c.height) ? c.width : c.height;
this.matrix = TDUtils.projection(c.width, c.height, depth)
}
translate(t) {
this.matrix = TDUtils.translate(this.matrix, t[0] || 0, t[1] || 0, t[2] || 0);
}
addFudgeFactor(fudgeFactor) {
this.matrix = TDUtils.multiply(TDUtils.makeZToWMatrix(fudgeFactor), this.matrix);
}
applyMatrix() {
let matrix = gl.getUniformLocation(this.program, "u_matrix");
gl.uniformMatrix4fv(matrix, false, this.matrix);
}
}
class Camera {
constructor() {
this.mouse;
this.rotation = {
x: 0,
y: 0
}
this.lastMouse;
this.mousePressed = false;
this.translate = {
x: 0,
y: 0,
z: 0
}
}
async init() {
this.mouse = {
x: 0,
y: 0
}
window.addEventListener('mousedown', this.mouseDown.bind(this));
window.addEventListener('mouseup', this.mouseUp.bind(this));
window.addEventListener('mousemove', this.mouseMove.bind(this), {passive: true});
eventHandler.addEvent('keys-ArrowUp, keys-ArrowDown, keys-ArrowLeft, keys-ArrowRight, keys-KeyQ, keys-KeyE', this.keyPressed.bind(this));
}
mouseDown() {
this.mousePressed = true;
this.lastMouse = null;
}
mouseUp() {
this.mousePressed = false;
this.lastMouse = null;
}
mouseMove(event) {
if (!this.mousePressed || gui.modal.open) {
return;
}
if (this.lastMouse) {
let mouse = this.mouse,
rotate = this.rotation;
mouse.x += (this.lastMouse.x - event.clientX) * 0.2;
mouse.y += (this.lastMouse.y - event.clientY) * 0.2;
rotate.x = VTUtils.map(mouse.x, -c.width, c.width, 180, -180, false);
rotate.y = VTUtils.map(mouse.y, -c.height, c.height, 180, -180, false);
}
this.lastMouse = {
x: event.clientX,
y: event.clientY
}
}
keyPressed(data) {
switch (data) {
case 'keys-ArrowUp':
this.translate.z += 10;
break;
case 'keys-ArrowDown':
this.translate.z -= 10;
break;
case 'keys-ArrowLeft':
this.translate.x -= 10;
break;
case 'keys-ArrowRight':
this.translate.x += 10;
break;
case 'keys-KeyQ':
this.translate.y += 10;
break;
case 'keys-KeyE':
this.translate.y -= 10;
break;
}
}
}
class Template {
constructor() {
this.tpl = {};
}
async loadTemplate(name) {
let self = this;
if (!this.tpl[name]) {
self.tpl[name] = await FetchHandler.loadFile(templateDir + name + '.tpl', false)
}
}
async loadArray(names) {
for (let name of names) {
await this.loadTemplate(name);
}
}
parseTemplate(name, data) {
if (!this.tpl[name]) {
return ""
}
let m, d = this.tpl[name];
while ((m = templateEx.exec(d)) !== null) {
if (m.index === templateEx.lastIndex) {
templateEx.lastIndex++;
}
let key = m[0];
let value = data[m[1]];
if (value === undefined || value === null) {
value = "";
}
d = d.replace(key, value)
}
return d;
}
}
const templateEx = /\$(.*?)\$/gm;
const templateDir = "/out/tpl/"
class ShaderHandler {
constructor(gl) {
this.gl = gl;
this.shaderNames = [];
this.shaders = {};
this.programs = {};
}
setGL(gl) {
this.gl = gl;
}
async loadShader(name, path) {
this.shaderNames.push(name);
await this.load(name, path + name + ".vert", this.gl.VERTEX_SHADER);
await this.load(name, path + name + ".frag", this.gl.FRAGMENT_SHADER);
}
async load(name, url, type) {
let realName = name + "_" + type;
if (!this.shaders[realName]) {
let data = await FetchHandler.loadFile(url, false);
let shader = this.createShader(data, type);
if (shader) {
this.shaders[realName] = shader;
}
}
return !!this.shaders[realName];
}
getShader(name, type) {
let realName = name + "_" + type;
return this.shaders[realName];
}
getAllShaders() {
return this.shaderNames;
}
async createProgramForEach(arr) {
arr = arr || this.shaderNames;
for (let i = 0; i < arr.length; i++) {
let shader = arr[i];
let v = await shaderHandler.createProgram(shader, [shader])
if (!v) {
return false;
}
}
return true;
}
createShader(source, type) {
let gl = this.gl;
let shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
return shader;
}
console.error(gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
return null;
}
createProgram(name, shaders) {
let gl = this.gl;
let pro = gl.createProgram();
for (let i = 0; i < shaders.length; i++) {
gl.attachShader(pro, this.getShader(shaders[i], gl.VERTEX_SHADER));
gl.attachShader(pro, this.getShader(shaders[i], gl.FRAGMENT_SHADER));
}
gl.linkProgram(pro);
if (gl.getProgramParameter(pro, gl.LINK_STATUS)) {
this.programs[name] = pro;
return pro;
}
console.log(gl.getProgramInfoLog(pro));
gl.deleteProgram(pro);
return null;
}
getProgram(name) {
return this.programs[name];
}
use(name) {
let pro = this.programs[name];
this.gl.useProgram(pro);
return pro;
}
async loadArray(list, path) {
let self = this;
for (const e of list) {
await self.loadShader(e, path)
}
await self.createProgramForEach(list)
}
}
const AudioContext = window.AudioContext || window.webkitAudioContext;
class AudioHandler {
async init() {
let self = this;
self.isStarted = false;
self.audioFile = new Audio();
self.actx = new AudioContext();
self.analyser = self.actx.createAnalyser();
self.analyser.fftSize = 4096;
self.lastSong = null;
await self.connectAll();
}
async connectAll() {
let self = this;
self.source = self.actx.createMediaElementSource(self.audioFile);
self.source.connect(self.analyser);
self.analyser.connect(self.actx.destination);
self.audioFile.addEventListener('ended', player.nextSong.bind(player));
}
async start() {
if (this.audioFile.src === '') {
return;
}
if (!this.isStarted) {
this.isStarted = true;
await this.actx.resume();
}
}
async stop() {
if (this.isStarted) {
this.isStarted = false;
await this.actx.suspend();
}
}
fftSize(size) {
this.analyser.fftSize = size;
}
smoothing(float) {
this.analyser.smoothingTimeConstant = float;
}
loadSong(file) {
if (!file) {
NotificationHandler.createNotification("Sorry!<br> Currently no Song is uploaded!", "error", 2000);
return false;
}
let self = this,
src = file.file;
if (self.lastSong) {
URL.revokeObjectURL(self.lastSong);
}
self.lastSong = this.audioFile.src = URL.createObjectURL(src);
if (!this.isStarted) {
this.start().catch(alert);
}
this.audioFile.play().then(e => {
if (pConf.get("showPlaying", "true")) {
NotificationHandler.createNotification("<span class='now-playing'>Now Playing:</span>" + file.getAudioName(), "info", pConf.get("showPlayingTime", 1000));
}
window.dispatchEvent(new CustomEvent('playSong'));
}).catch(e => {
NotificationHandler.createNotification(e.message, "error", 1000);
player.nextSong();
});
}
getIntArray(steps) {
let dataArray = new Uint8Array(steps);
this.analyser.getByteFrequencyData(dataArray);
return dataArray;
}
getFloatArray() {
let dataArray = new Float32Array(this.analyser.fftSize);
this.analyser.getFloatTimeDomainData(dataArray);
return dataArray;
}
}
// Handler around the Playlist file to keep track on the ID3 and more!
class AudioPlayerFile {
constructor(file, index) {
this.file = file;
this.name = this.getName();
this.id3 = null;
this.index = index;
}
getName() {
let name = this.file.name.split(".");
name.pop();
name = name.join(".");
return name;
}
getID3Tag(force) {
if (!force && this.id3 !== null) {
return this.id3;
}
eventHandler.sendData('getData', {
file: this.file,
name: this.name,
index: this.index,
force: force === true
});
return {
title: this.name,
artist: 'VA',
}
}
getAudioName() {
let tag = this.getID3Tag();
return template.parseTemplate('audio-information', tag);
}
}
class FetchHandler {
static files = {};
static async loadFiles(array, isJSON) {
let content = [];
for (let i = 0; i < array; i++) {
content.push(await FetchHandler.loadFile(array[i], isJSON));
}
return content;
}
static async loadFile(filename, isJSON) {
filename += '?v=' + version;
let files = FetchHandler.files;
if (files[filename]) {
return files[filename];
}
let data = await FetchHandler.tryFromCache(filename);
if (isJSON) {
data = JSON.parse(data);
}
files[filename] = data;
return data;
}
static async tryFromCache(filename) {
if (caches) {
let cache = await caches.open('vis3d-pwa-1');
let data = await cache.match(filename);
if (!data) {
data = await fetch(filename);
}
return await data.text();
}
}
}
class PlayerConfigHandler {
async init() {
await template.loadArray([
'config/nav',
'config/content',
'config/visualitem'
]);
this.last = 'base';
$('.settings-icon').addEventListener('click', this.open.bind(this));
$('modal-content').addDelegatedEventListener('click', '.config-nav .item', this.navHandler.bind(this));
}
open() {
if (this.content === undefined) {
let content = template.parseTemplate('config/nav', {});
content += template.parseTemplate('config/content', {content: ""});
this.content = content;
}
gui.modal.renderModal('Settings', this.content, "by VersusTuneZ");
this.handleById();
gui.modal.showModal();
}
navHandler(e, el) {
this.last = el.dataset.id;
this.handleById();
}
handleById() {
let id = this.last;
new VisualConfig(id === 'visual', id === 'base');
let active = $('.config-nav .item.active'),
current = $('.config-nav .item[data-id="' + id + '"]');
if (active) {
active.removeClass('active');
}
if (current) {
current.addClass('active');
}
}
}
class VisualConfig {
static visualTemplates = {};
constructor(showVisual, renderBase) {
this.content = $('modal-content .config-content');
if (showVisual) {
this.renderVisualConfig(visual.c);
} else {
if (renderBase) {
this.renderBase();
} else {
this.renderVisuals();
}
}
}
renderVisuals() {
let keys = Object.keys(visual.visuals),
content = '<section class="visuals">';
for (let i = 0; i < keys.length; i++) {
content += template.parseTemplate('config/visualitem', {
title: visual.visuals[keys[i]].name,
id: keys[i],
active: keys[i] === visual.c ? 'active' : ''
})
}
content += '</div>';
this.content.innerHTML = content;
}
async renderBase() {
let data = await this.loadVisualConfig('base'),
div = create('section');
div.addClass('base');
div.innerHTML = GUIHelper.fromJSON(data, pConf);
this.content.innerHTML = div.outerHTML;
}
// the name loads the json and handle it!
async renderVisualConfig(name) {
let data = await this.loadVisualConfig(name, vConf),
div = create('section');
div.addClass('visual');
div.innerHTML = GUIHelper.fromJSON(data, vConf);
div.innerHTML += GUIHelper.createButton({
action: "resetVConf",
name: "Reset Visual Config"
});
div.innerHTML += GUIHelper.createButton({
action: "makeModalTransparent",
name: "toggle Modal Opacity"
})
this.content.innerHTML = div.outerHTML;
}
async loadVisualConfig(name) {
let tem = VisualConfig.visualTemplates;
if (!tem[name]) {
//load config and save it
tem[name] = await FetchHandler.loadFile('/out/gui/' + name + ".json", true);
}
return tem[name];
}
}
class Player {
async init() {
this.playlist = new Playlist();
}
nextSong() {
let next = this.playlist.getNext();
audioHandler.loadSong(next);
}
prevSong() {
let next = this.playlist.getPrevious();
audioHandler.loadSong(next);
}
playStop() {
if (!audioHandler.lastSong) {
let next = this.playlist.getCurrent();
audioHandler.loadSong(next);
return;
}
let audioFile = audioHandler.audioFile;
if (audioFile.paused) {
audioFile.play();
} else {
audioFile.pause();
}
window.dispatchEvent(new CustomEvent('playSong'));
}
stop() {
if (!audioHandler.lastSong) {
return;
}
let audioFile = audioHandler.audioFile;
audioFile.pause();
audioFile.currentTime = 0;
window.dispatchEvent(new CustomEvent('playSong'));
}
playByID(number) {
this.playlist.index = number;
let next = this.playlist.getCurrent();
audioHandler.loadSong(next);
}
}
const PAGINATIONLIMIT = 50;
class Playlist {
constructor() {
this.list = [];
this.shuffled = [];
this.index = 0;
this.page = 0;
this.isShuffle = pConf.get("shuffle", false);
$('body').addDelegatedEventListener('change', 'input[type="file"]', this.changeFiles.bind(this));
$('body').addDelegatedEventListener('click', '.pagination .item', this.handlePagination.bind(this));
eventHandler.addEvent('id3-request', this.handle.bind(this));
eventHandler.addEvent('id3-request-force', this.forceID3.bind(this));
}
shuffle() {
// only shuffle if more then 2 elements are in
let len = this.list.length;
if (len < 3) {
this.shuffled = [0, 1, 2];
return;
}
// the current-list need to be shuffled...
for (let i = 0; i < len; i++) {
let random = VTUtils.randomInt(0, len - 1);
this.swap(i, random);
}
}
swap(a, b) {
this.shuffled[a] = b;
this.shuffled[b] = a;
}
getNext() {
let items = this.list,
len = items.length - 1,
next = this.index + 1;
if (next > len) {
next = 0;
}
this.index = next;
return items[this.getRealIndex()];
}
getPrevious() {
let items = this.list,
len = items.length - 1,
next = this.index - 1;
if (next < 0) {
next = len;
}
this.index = next;
return items[this.getRealIndex()];
}
getCurrent() {
return this.list[this.getRealIndex()];
}
// on new upload... this has to be an array!
setPlaylist(files) {
this.index = 0;
this.forceData = undefined;
this.list = files;
this.shuffle();
}
handlePagination(event, el) {
if (el.hasClass('inactive')) {
return;
}
if (el.hasClass('next-site')) {
this.renderPagination(this.page + 1);
} else {
this.renderPagination(this.page - 1);
}
}
renderPagination(page) {
if (page === undefined) {
page = this.page;
}
let length = this.list.length,
maxSite = Math.ceil(length / PAGINATIONLIMIT) - 1;
if (page < 0) {
page = 0;
}
if (page > maxSite) {
page = maxSite;
}
let s = page * PAGINATIONLIMIT,
e = s + PAGINATIONLIMIT,
data = "";
this.page = page;
if (e >= length) {
e = length;
}
if (length > 0) {
let items = this.list;
for (let i = s; i < e; i++) {
let obj = {
index: i.toString(),
nr: i + 1,
title: items[this.getRealIndex(i)].getAudioName(),
active: !audioHandler.audioFile.paused && i === this.index ? 'active' : ''
}
data += template.parseTemplate("playlist-item", obj);
}
} else {
data = "<h1>No Songs uploaded!</h1>";
}
let hasNext = maxSite > 1 && page < maxSite;
gui.modal.renderModal(
"Playlist",
template.parseTemplate("playlist", {
content: data,
}),
template.parseTemplate('playlist-footer', {
prevActive: page > 0 ? 'active' : 'inactive',
nextActive: hasNext ? 'active' : 'inactive',
page: (page + 1) + ' / ' + parseInt(maxSite + 1),
})
);
}
//playlist handler for file input!
changeFiles(e, el) {
if (el.id !== 'upload-dir') {
return;
}
let files = [];
let i = 0;
for (let file of el.files) {
if (file && file.type.indexOf('audio') !== -1 && file.name.match(".m3u") === null) {
let audioFile = new AudioPlayerFile(file, i++);
files.push(audioFile);
}
}
this.setPlaylist(files);
if (files.length > 0) {
NotificationHandler.createNotification("Songs added successfully!<br> Songs: " + files.length, "success", 3000);
this.renderPagination(0);
} else {
NotificationHandler.createNotification("File Upload failed!", "error", 3000);
}
}
getRealIndex(index) {
if (index === undefined) {
index = this.index;
}
if (this.isShuffle) {
return this.shuffled[index];
}
return index;
}
handle(data) {
let index = data.index;
if (data.status === "waiting") {
return;
}
this.list[index].id3 = data;
if (this.timeout) {
window.clearTimeout(this.timeout);
}
this.timeout = setTimeout(this.renderPagination.bind(this), 100);
}
forceID3(data) {
let self = this;
if (!self.forceData) {
self.forceData = {};
self.forceNotification = NotificationHandler.createNotification("TagReader -> 0 / " + self.list.length, "info", -1);
}
let index = data.index;
if (data.status === "waiting") {
return;
}
self.list[index].id3 = data;
self.forceData[index] = true;
let leng = Object.keys(self.forceData).length;
this.forceNotification.updateMessageOnly("TagReader -> " + leng + " / " + self.list.length);
if (leng === self.list.length) {
self.forceNotification.remove()
}
}
}
class GUI {
async init() {
this.data = {};
this.modal = new Modal();
// load first vis window!
await template.loadArray([
'playlist-item',
'playlist',
'playlist-footer',
'audio-information',
'inputs/color',
'inputs/input',
'inputs/slider',
'inputs/switch',
'inputs/select',
'inputs/option',
'help',
]);
this.initDropZone();
}
openHelp() {
gui.modal.renderModal("Help", template.parseTemplate('help', {}));
gui.modal.showModal();
}
initDropZone() {
let items = 'drag dragstart dragend dragover dragenter dragleave drop'.split(' ');
items.forEach(el => {
window.addEventListener(el, async e => {
e.preventDefault();
e.stopPropagation();
if (e.type === 'drop') {
if (e.dataTransfer.files.length > 0) {
e.dataTransfer.id = 'upload-dir';
player.playlist.changeFiles(e, e.dataTransfer);
} else {
alert("Sorry you need to upload files!");
}
}
});
});
};
}
// create config Inputs from JSON
//@todo add support for gui grouping!
class GUIHelper {
static fromJSON(json, conf) {
let data = [];
for (let item of json) {
switch (item.type) {
case 'slider':
data.push(GUIHelper.createSliders(item, conf));
break;
case 'color':
data.push(GUIHelper.createColorPicker(item, conf));
break;
case 'checkbox':
data.push(GUIHelper.createCheckbox(item, conf));
break;
case 'input':
data.push(GUIHelper.createInputField(item, conf));
break;
case 'select':
data.push(GUIHelper.createSelect(item, conf));
break;
case 'button':
data.push(GUIHelper.createButton(item, conf));
break;
default:
console.error(`Unknown Type: ${item.type}`);
}
}
return data.join(" ");
}
static createSliders(data, conf) {
let content = "";
if (typeof data.name === "object") {
for (let i = 0; i < data.name.length; i++) {
let newData = {};
Object.assign(newData, data);
newData.showName = GUIHelper.richShowName(data, data.name[i].firstUpper());
newData.name = GUIHelper.richName(data, data.props[i]);
content += GUIHelper.createSlider(newData, conf);
}
} else {
content = GUIHelper.createSlider(data, conf);
}
return content;
}
static createSlider(data, conf) {
let newData = {};
Object.assign(newData, data);
newData.value = conf.get(newData.name, newData.value);
return template.parseTemplate('inputs/slider', newData)
}
static createColorPicker(data, conf) {
let newData = {};
Object.assign(newData, data);
newData.value = conf.get(newData.name, newData.value);
return template.parseTemplate('inputs/color', newData)
}
static createCheckbox(data, conf) {
let newData = {};
Object.assign(newData, data);
newData.value = conf.get(newData.name, newData.value) ? 'checked' : '';
return template.parseTemplate('inputs/switch', newData)
}
static createInputField(data, conf) {
let newData = {};
Object.assign(newData, data);
newData.value = conf.get(newData.name, newData.value);
return template.parseTemplate('inputs/input', newData)
}
static createSelect(data, conf) {
let newData = {};
Object.assign(newData, data);
newData.value = conf.get(newData.name, newData.value);
let options = '';
for (let i = 0; i < newData.options.length; i++) {
options += template.parseTemplate('inputs/option', {
value: newData.options[i]
})
}
newData.options = options;
newData.event = 'visualConf';
newData.conf = conf.type;
return template.parseTemplate('inputs/select', newData)
}
static richName(data, name) {
if (data.group !== "") {
return data.group + "-" + name
}
return name;
}
static richShowName(data, name) {
if (data.group !== "") {
return data.group.firstUpper() + ' ' + name
}
return name;
}
static createButton(item, conf) {
return `<div class='button spaced' data-action="${item.action}">${item.name}</div>`
}
}
class Modal {
constructor() {
let self = this;
self.currentModal = '';
self.modal = $('#modal');
self.open = false;
self.parent = self.modal.parentNode;
self.modal.addDelegatedEventListener('click', 'header .close', this.closeModal.bind(this));
}
resetModal() {
this.renderModal('', '', '');
}
renderModal(title, content, footer) {
$('#modal').removeClass('lightMode')
this.currentModal = title;
this.renderHeader(title);
this.renderContent(content);
this.renderFooter(footer);
}
renderHeader(header) {
let h = $('header .headline', this.modal);
h.innerHTML = header;
}
renderContent(content) {
let con = $('modal-content', this.modal);
con.innerHTML = content;
}
renderFooter(footer) {
let con = $('modal-footer .inner', this.modal);
con.innerHTML = footer || "by VersusTuneZ";
}
closeModal() {
this.parent.addClass("hide")
this.open = false;
}
isCurrent(title) {
return title === this.currentModal;
}
showModal() {
this.parent.removeClass("hide")
this.open = true;
}
}
class Visual {
constructor() {
this.data = []; //for drawing
this.dataArray = [];
this.name = "Default";
}
updateData() {
}
updateFFT(fftSize) {
}
draw() {
}
setup() {
}
}
class VisualDrawer {
constructor() {
this.visuals = {
//"sphere": new Sphere(),
"wave": new Wave(),
"wave2d": new Wave2D(),
//"water": new Water()
}
this.lastMainColor = {
base: '#-1',
color: [0, 0, 0]
};
this.lastSecondColor = {
base: '#-1',
color: [0, 0, 0]
}
}
init() {
this.switch(pConf.get("visual", "wave2d"));
this.updateLoop();
}
switch(visual) {
if (this.visuals[visual] != null) {
this.c = visual;
vConf.loadConfigByName(this.c);
this.visuals[this.c].setup();
pConf.set("visual", this.c);
pConf.save();
}
}
updateLoop() {
let self = this;
let vis = self.visuals[self.c];
let pro = shaderHandler.use(self.c);
this.updateSeekbar();
this.prepare(pro);
vis.updateData();
vis.draw(pro);
requestAnimationFrame(self.updateLoop.bind(self))
}
updateSeekbar() {
cInfo.width = window.innerWidth;
cInfo.height = window.innerHeight;
let audioFile = audioHandler.audioFile;
ctx.clearRect(0, 0, cInfo.width, cInfo.height);
if (!audioFile.paused && pConf.get("showSeekbar", true)) {
//show seekbar
let dur = audioFile.duration,
cur = audioFile.currentTime,
percent = cur / dur * cInfo.width;
ctx.fillStyle = pConf.get("seekColor", '#fff');
ctx.fillRect(0, c.height - 10, percent, c.height);
}
}
prepare(pro) {
c.width = window.innerWidth;
c.height = window.innerHeight;
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
gl.clearColor(0, 0, 0, parseFloat(pConf.get("alphaValue", 0)));
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
gl.enable(gl.DEPTH_TEST);
gl.depthFunc(gl.LEQUAL);
gl.enable(gl.CULL_FACE);
// u_baseColor || u_maxColor
this.setColor(pro);
}
setColor(program) {
let baseColor = gl.getUniformLocation(program, "u_baseColor"),
maxColor = gl.getUniformLocation(program, "u_maxColor"),
self = this,
mainColor = self.lastMainColor,
secondColor = self.lastSecondColor;
this.updateColor('lastMainColor', 'baseColor');
this.updateColor('lastSecondColor', 'gradientToColor');
gl.uniform3fv(baseColor, mainColor.color);
gl.uniform3fv(maxColor, secondColor.color);
}
updateColor(index, col) {
let color = this[index],
value = vConf.get(col, '#ffffff')
if(value !== color.base) {
color.color = hexToRgb(value);
color.base = value;
}
}
}
class ImageUploader {
async init() {
this.image = pConf.get("bgURL", "");
this.color = pConf.get("bgColour", "#000000");
this.alpha = pConf.get("alphaValue", 0.5);
this.getRealImage();
this.applyValues();
$('#modal').addDelegatedEventListener('change', '#image-upload input:not([type="color"])', this.changeHandler.bind(this));
$('#modal').addDelegatedEventListener('input', '#image-upload input#color', this.changeHandler.bind(this));
}
async renderModal() {
await template.loadTemplate("image");
gui.modal.resetModal();
gui.modal.renderModal("Background-Image",
template.parseTemplate("image", {
value: this.image,
bgValue: this.color,
alphaValue: this.alpha
}), "");
gui.modal.showModal();
}
changeHandler(e, el) {
if (el.id === 'color') {
this.color = el.value;
} else if (el.id === "alphaValue") {
this.alpha = el.value;
} else {
pConf.set('bgMode', el.id);
if (el.id === 'image') {
el.files[0].toBase64((e, b) => {
if (b) {
alert("Error converting image!");
return;
}
pConf.set('bgURL', e.currentTarget.result);
pConf.save();
})
this.image = URL.createObjectURL(el.files[0]);
} else {
this.image = el.value;
pConf.set('bgURL', this.image);
}
}
pConf.set('bgColour', this.color);
pConf.set('alphaValue', this.alpha);
this.applyValues();
pConf.save();
}
applyValues() {
let body = $('body');
body.style.backgroundImage = 'url(' + this.image + ')';
body.style.backgroundColor = this.color;
}
getRealImage() {
let mode = pConf.get('bgMode'),
value = pConf.get("bgURL", "");
if (mode === 'image') {
if (value !== '' && value.startsWith('data:image')) {
let split = value.split(";"),
type = split.shift(),
message = split.join(";").replace("base64,", "");
this.image = URL.createObjectURL(b64toBlob(message, type));
}
} else {
this.image = value;
}
}
}
const imageUploader = new ImageUploader();
class NotificationHandler {
static instance = new NotificationHandler();
constructor() {
this.outer = $('.notification');
this.notifications = [];
}
async init() {
await template.loadTemplate('notification');
}
static createNotification(message, type, time) {
time = parseInt(time || "3000");
let handler = NotificationHandler.instance,
not = new Notification(message, type, time);
handler.notifications.push(not);
not.show();
return not;
}
}
class Notification {
constructor(message, type, time) {
this.outer = NotificationHandler.instance.outer;
this.message = message;
this.type = type;
this.time = time;
this.isRemoved = false;
}
async show() {
let self = this,
endless = self.time === -1;
self.item = create('div');
self.item.addClass('notification-item, ' + self.type);
if (endless) {
self.type += ' endless';
}
self.updateContent(self.message);
this.outer.prepend(self.item);
if (!endless) {
setTimeout(this.remove.bind(this), self.time)
}
}
async remove() {
if (this.isRemoved) {
return;
}
this.isRemoved = true;
this.outer.removeChild(this.item);
let not = NotificationHandler.instance.notifications,
index = not.indexOf(this);
not.splice(index, 1);
delete this;
}
updateContent(message) {
let self = this,
isEndless = self.time === -1,
data = {
message: message,
time: isEndless ? 1000 : self.time + 1,
type: self.type,
}
this.item.innerHTML = template.parseTemplate('notification', data);
}
updateMessageOnly(message) {
let item = $('.message', this.item);
if (item) {
item.innerHTML = message;
}
}
}
class Config {
static allConfigs = {};
constructor(type) {
this.config = {};
this.name = ''
this.type = type;
Config.allConfigs[type] = this;
}
loadConfigByName(name) {
this.save();
this.name = 'config-' + name;
let item = localStorage.getItem(this.name);
if (item) {
this.config = JSON.parse(item);
}
}
save() {
if (this.name !== '') {
localStorage.setItem(this.name, JSON.stringify(this.config));
}
}
set(name, value) {
this.config[name] = value;
}
remove(name) {
delete this.config[name];
}
get(name, def) {
let value = this.config[name];
if (value === undefined || value === null) {
this.config[name] = def;
value = def;
}
return value;
}
reset() {
NotificationHandler.createNotification(`CONFIG REQUEST SUCCESS FOR ${this.type}`, "success", 2000);
this.config = {};
this.save();
}
}
class Sphere extends Visual {
constructor() {
super();
this.name = "Sphere";
}
draw() {
}
setup() {
}
}
// 3D Audio-Waves -> maybe also 2D?
class Wave extends Visual {
constructor() {
super();
this.name = "3D Wave";
}
updateData() {
let data = audioHandler.getFloatArray();
let add = 2 / data.length,
x = -1;
let outerLoop = 0;
for (let i = 0; i < data.length; i++) {
//first
this.data[outerLoop] = x;
this.data[outerLoop + 1] = data[i];
this.data[outerLoop + 2] = 0;
//second
this.data[outerLoop + 3] = x;
//third
this.data[outerLoop + 6] = x;
this.data[outerLoop + 8] = data[i + 1] || 0;
outerLoop += 9;
x += add;
}
}
draw(program) {
this.prepare(program);
let position = this.position,
positionBuffer = gl.createBuffer();
this.rotate(program);
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(this.data), gl.DYNAMIC_DRAW);
let vao = gl.createVertexArray();
gl.bindVertexArray(vao);
gl.enableVertexAttribArray(position);
gl.vertexAttribPointer(position, 3, gl.FLOAT, true, 0, 0);
gl.drawArrays(vConf.get("waveForm", gl.TRIANGLES), 0, this.data.length / 3);
this.afterDraw();
}
rotate(program) {
let aspect = c.width / c.height,
matrix = [
1 / aspect, 0, 0, 0,
0, 0.6, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
]
matrix = TDUtils.multiply(matrix, TDUtils.xRotation(vConf.get("rotation-x", 10)));
matrix = TDUtils.multiply(matrix, TDUtils.yRotation(vConf.get("rotation-y", 50)));
matrix = TDUtils.multiply(matrix, TDUtils.zRotation(vConf.get("rotation-z", -30)));
let rotate = gl.getUniformLocation(program, "u_matrix");
gl.uniformMatrix4fv(rotate, false, matrix);
}
setup() {
this.updateFFT(vConf.get('fftSize', 4096));
vConf.get("rotation-z", -30);
vConf.get("rotation-y", 50);
vConf.get("rotation-x", 10);
}
updateFFT(fftSize) {
audioHandler.fftSize(fftSize);
this.data = new Float32Array(fftSize * 9);
}
prepare(program) {
this.position = gl.getAttribLocation(program, "a_position");
this.color = gl.getUniformLocation(program, "u_color");
let lightPos = gl.getUniformLocation(program, "u_lightPos"),
light = gl.getUniformLocation(program, "u_light");
gl.uniform3fv(lightPos, [
vConf.get("light-x", 0),
vConf.get("light-y", 5),
vConf.get("light-z", -56)
]);
gl.uniform1f(light, parseFloat(vConf.get("light-strength", 0.3)));
}
afterDraw() {
TDUtils.updateRotate('rotation-x', 10);
TDUtils.updateRotate('rotation-y', 50);
TDUtils.updateRotate('rotation-z', -30);
vConf.save();
}
}
class Wave2D extends Visual {
constructor() {
super();
this.name = "2D Wave";
}
updateData() {
let data = audioHandler.getFloatArray();
let add = c.width / data.length,
x = 0,
y = c.height / 2,
goTrough = y / 2;
let outerLoop = 0;
for (let i = 0; i < data.length; i++) {
//first
this.data[outerLoop] = x;
this.data[outerLoop + 1] = y + (data[i] * goTrough);
this.data[outerLoop + 2] = data[i];
outerLoop += 3;
x += add;
}
}
draw(program) {
this.prepare(program);
let position = this.position,
positionBuffer = gl.createBuffer();
this.rotate(program);
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(this.data), gl.DYNAMIC_DRAW);
let vao = gl.createVertexArray();
gl.bindVertexArray(vao);
gl.enableVertexAttribArray(position);
gl.vertexAttribPointer(position, 3, gl.FLOAT, true, 0, 0);
gl.drawArrays(vConf.get("waveForm", gl.LINE_STRIP), 0, this.data.length / 3);
this.afterDraw();
}
rotate(program) {
let glHelper = new GLHelper(program);
glHelper.project();
glHelper.addFudgeFactor(vConf.get("fudgeFactor", 1));
glHelper.translate([
camera.translate.x,
camera.translate.y,
camera.translate.z
]);
glHelper.rotateX(camera.mouse.x);
glHelper.rotateY(camera.mouse.y);
glHelper.rotateZ(vConf.get("rotation-z", 0));
glHelper.applyMatrix();
}
setup() {
this.updateFFT(vConf.get('fftSize', 16384));
}
updateFFT(fftSize) {
audioHandler.fftSize(fftSize);
this.data = new Float32Array(fftSize * 3);
}
prepare(program) {
this.position = gl.getAttribLocation(program, "a_position");
//GLHelper.uniform1f(program, "u_fudgeFactor", vConf.get("fudgeFactor", 1));
GLHelper.uniform3fv(program, "u_lightPos", vConf.get("light", [0, 5, -56]));
}
afterDraw() {
TDUtils.updateRotate('rotation-x', 0);
TDUtils.updateRotate('rotation-y', 0);
TDUtils.updateRotate('rotation-z', 0);
vConf.save();
}
}
//animate Water the way like the Audio is Coming... 256FFT-Size max!
class Water extends Visual {
constructor() {
super();
this.name = "Water";
}
draw() {
}
setup() {
audioHandler.fftSize(256)
}
}
class EventHandler {
constructor() {
this.events = {};
}
addEvent(events, cb) {
let names = events.split(",");
for (let name of names) {
this.events[name.trim()] = cb;
}
}
sendData(name, data) {
worker.postMessage({
cmd: name,
data: data
});
}
handleEvent(event) {
let data = event.data;
if (!data.cmd) {
return false;
}
if (this.events[data.cmd]) {
try {
this.events[data.cmd](data.data);
} catch (e) {
console.error('[EventHandler] > ' + e.message);
}
return true;
}
return false;
}
}
async function initHandler() {
let body = $('body');
$('.playlist.menu-icon').addEventListener('click', e => {
player.playlist.renderPagination(player.playlist.page);
gui.modal.showModal();
});
body.addDelegatedEventListener('click', '.playlist-item', (e, el) => {
let number = el.dataset.index;
player.playByID(parseInt(number));
togglePlayButton('pause');
});
body.addDelegatedEventListener('click', '.controls button', (e, el) => {
switch (el.id) {
case 'previous':
player.prevSong();
break;
case 'next':
player.nextSong()
break;
case 'play':
player.playStop();
break;
case 'shuffle':
toggleShuffle();
break;
}
});
window.addEventListener('playSong', setActiveOnPlaylist);
window.addEventListener('playSong', e => {
togglePlayButton(audioHandler.audioFile.paused ? 'play' : 'pause');
});
$('.upload-image').addEventListener('click', imageUploader.renderModal.bind(imageUploader));
body.addDelegatedEventListener('click', '.readAll', forceAllRead);
body.addDelegatedEventListener('input', '.input-range input[type="range"]', (e, el) => {
let current = $('.current', el.parentNode);
current.innerText = el.value;
});
body.addDelegatedEventListener('input', 'input[type="color"]', (e, el) => {
let parent = el.parentNode;
$('.colorBlob', parent).style.backgroundColor = el.value;
})
body.addDelegatedEventListener('click', '.visual-item', (e, el) => {
visual.switch(el.dataset.id || 'wave');
$('modal-content .visuals .active').removeClass('active');
el.addClass('active');
})
body.addDelegatedEventListener('input', 'section.base input', (e, el) => {
if (el.type === 'checkbox') {
pConf.set(el.name, el.checked);
} else {
setValue(el.name, el.value, pConf, el.dataset.type);
}
pConf.save();
})
body.addDelegatedEventListener('input', 'section.visual input', (e, el) => {
if (el.type === 'checkbox') {
vConf.set(el.name, el.checked);
} else {
setValue(el.name, el.value, vConf, el.dataset.type);
}
vConf.save();
})
body.addDelegatedEventListener('click', '.button[data-action]', (e, el) => {
switch (el.dataset.action) {
case 'resetVConf':
vConf.reset();
setTimeout(e => {
playerConf.handleById();
}, 30);
break;
case 'makeModalTransparent':
$('#modal').toggleClass('lightMode')
break;
}
})
$('.help.menu-icon').addEventListener('click', gui.openHelp);
document.onfullscreenchange = e => {
if (body.hasClass('fullscreen')) {
body.removeClass('fullscreen')
} else {
body.addClass('fullscreen')
}
}
}
function forceAllRead() {
let playlist = player.playlist.list;
for (let i = 0; i < playlist.length; i++) {
playlist[i].getID3Tag(true);
}
}
function setValue(name, value, conf, type) {
switch (type) {
case 'float':
value = parseFloat(value);
break;
case 'int':
value = parseInt(value);
break;
}
conf.set(name, value);
}
function setActiveOnPlaylist(e) {
let item = $('.playlist-item[data-index="' + player.playlist.index + '"]'),
active = $('.playlist-item.active');
if (active) {
active.removeClass('active');
}
if (item) {
item.addClass('active');
}
}
function toggleShuffle(updateGUI) {
let active = player.playlist.isShuffle;
if (updateGUI !== false) {
active = !active;
let status = active ? 'enabled' : 'disabled';
NotificationHandler.createNotification("Shuffle: " + status, "info", 500);
pConf.set("shuffle", active);
pConf.save();
player.playlist.isShuffle = active;
}
$('#shuffle').toggleCheck('active', active);
}
function togglePlayButton(status) {
let icons = $$('#play .icon');
icons.forEach(el => {
if (el.dataset.name === status) {
el.removeClass('hide');
} else {
el.addClass('hide');
}
})
}
(function () {
const body = $('body');
body.addDelegatedEventListener('click', 'custom-select .label', (e, el) => {
let parent = el.parentNode;
let options = $$('custom-option', parent),
optionsDiv = $('custom-options', parent);
if (parent.hasClass('open')) {
optionsDiv.style.maxHeight = '';
parent.removeClass('open');
} else {
let sum = 0;
options.forEach(function (element) {
sum += element.offsetHeight;
});
optionsDiv.style.maxHeight = sum + 'px';
parent.addClass('open');
}
})
body.addDelegatedEventListener('click', 'custom-select custom-option', (e, el) => {
let select = el.closest('custom-select'),
input = $('input', select);
$$('custom-option.active').forEach(activeEl => {
activeEl.removeClass('active');
})
el.addClass('active');
if (input) {
input.value = el.dataset.value || el.innerText;
$('.label', select).innerText = el.innerText;
select.removeClass('open');
el.parentNode.style.maxHeight = '';
window.dispatchEvent(new CustomEvent('selectChanged', {
detail: {
select: select,
event: select.dataset.event,
value: input.value,
name: input.name
}
}));
}
})
window.addEventListener('selectChanged', (e) => {
if (e.detail.event === 'visualConf') {
e.preventDefault();
e.stopPropagation();
handleVisualConf(e.detail);
}
})
function handleVisualConf(e) {
try {
let value = e.value,
config = Config.allConfigs[e.select.dataset.conf];
if (e.name === 'fftSize') {
value = parseInt(e.value);
visual.visuals[visual.c].updateFFT(value);
}
config.set(e.name, value);
config.save();
} catch (e) {
console.error(e);
}
}
})()
class KeyHandler {
async init() {
await this.mediaKeys();
await this.addKeyHandler();
window.addEventListener('keydown', this.keyHandler.bind(this));
}
async mediaKeys() {
if ('mediaSession' in navigator) {
let media = navigator.mediaSession;
media.setActionHandler('play', player.playStop.bind(player));
media.setActionHandler('pause', player.playStop.bind(player));
media.setActionHandler('previoustrack', player.prevSong.bind(player));
media.setActionHandler('nexttrack', player.nextSong.bind(player));
media.setActionHandler('stop', player.stop.bind(player));
}
}
async addKeyHandler() {
eventHandler.addEvent('keys-Space', player.playStop.bind(player));
eventHandler.addEvent('keys-KeyN', player.nextSong.bind(player));
eventHandler.addEvent('keys-KeyV', player.prevSong.bind(player));
eventHandler.addEvent('keys-KeyS', playerConf.open.bind(playerConf));
eventHandler.addEvent('keys-KeyS-shift', toggleShuffle);
eventHandler.addEvent('keys-KeyB', imageUploader.renderModal.bind(imageUploader));
eventHandler.addEvent('keys-KeyF-shift', forceAllRead);
eventHandler.addEvent('keys-KeyH', gui.openHelp);
eventHandler.addEvent('keys-KeyP', e => {
player.playlist.renderPagination(player.playlist.page);
gui.modal.showModal();
});
eventHandler.addEvent('keys-Escape, keys-KeyC-shift', e => {
gui.modal.resetModal();
gui.modal.closeModal();
})
eventHandler.addEvent('keys-F11', e => {
if (document.fullscreenElement) {
document.exitFullscreen().catch(console.error);
} else {
document.body.requestFullscreen().catch(console.error);
}
});
}
async keyHandler(event) {
let key = event.code,
shift = event.shiftKey ? '-shift' : '',
ctrl = event.ctrlKey ? '-ctrl' : '',
name = 'keys-' + key + shift + ctrl;
if (eventHandler.handleEvent({
data: {
cmd: name,
data: name
}
})) {
event.preventDefault();
event.stopPropagation();
}
}
}
class Startup {
constructor() {
this.modules = {
'startup': false,
'id3-ready': false
};
}
moduleLoaded(name) {
this.modules[name] = true
this.allModulesLoaded();
}
allModulesLoaded() {
for (let module in this.modules) {
if (!this.modules[module]) {
return false;
}
}
window.dispatchEvent(new CustomEvent('startupFin'));
return true;
}
}
const shaderHandler = new ShaderHandler(null),
audioHandler = new AudioHandler(),
gui = new GUI(),
visual = new VisualDrawer(),
template = new Template(),
player = new Player(),
vConf = new Config("visual"),
pConf = new Config("player"),
worker = new Worker('/out/js/worker.min.js'),
startup = new Startup(),
eventHandler = new EventHandler(),
playerConf = new PlayerConfigHandler(),
keyHandler = new KeyHandler(),
version = 1,
camera = new Camera();
let c, gl, cInfo, ctx, sw;
worker.addEventListener('message', e => {
if (e.data.status === 'startup') {
startup.moduleLoaded(e.data.cmd);
return;
}
eventHandler.handleEvent(e);
});
window.addEventListener('startupFin', e => {
setTimeout(e => {
$('.loading-screen').remove();
}, 100)
})
async function startUP() {
if ('serviceWorker' in navigator) {
sw = await navigator.serviceWorker.register('/sw.js');
}
pConf.loadConfigByName('default');
c = $('#c'),
gl = c.getContext("webgl2"),
cInfo = $('#cInfo'),
ctx = cInfo.getContext('2d');
if (!gl) {
alert("SORRY THE BROWSER DOESN'T SUPPORT WEBGL2");
return false;
}
shaderHandler.setGL(gl)
await shaderHandler.loadArray(["wave", "sphere", "water", "wave2d"], '/shaders/');
await NotificationHandler.instance.init();
await audioHandler.init();
await player.init();
await camera.init();
await visual.init();
await gui.init();
await imageUploader.init();
await playerConf.init();
await keyHandler.init();
await initHandler();
toggleShuffle(false);
}
startUP().then(r => {
startup.moduleLoaded('startup');
});