1 files changed, 0 insertions, 136 deletions
diff --git a/src/toys/julia/julia.js b/src/toys/julia/julia.js
deleted file mode 100644
index 38bcd4d..0000000
--- a/src/toys/julia/julia.js
+++ /dev/null
@@ -1,136 +0,0 @@
-const MIN_ZOOM = 0.0001;
-const MAX_ZOOM = 4;
-const C_THRESHOLD = Math.sqrt(2)/2;
-const SLIDER_DIV = 2000*C_THRESHOLD;
-
-const gpu = new GPU.GPU();
-const buildRender = (width, height) => gpu.createKernel(function (maxIterations, cr, ci, centerX, centerY, zoom, colorMultipliers) {
-  let zx = (this.output.x / this.output.y) * (centerX + (4 * this.thread.x / this.output.x - 2) * (zoom / 4));
-  let zy = centerY + (4 * this.thread.y / this.output.y - 2) * (zoom / 4);
-  let iterations = 0;
-  for (let i = 0; i < maxIterations; i++) {
-    const xtemp = zx * zx - zy * zy + cr;
-    zy = 2 * zx * zy + ci;
-    zx = xtemp;
-    if (zx * zx + zy * zy > 4) {
-      iterations = i;
-      break;
-    }
-  }
-  if (iterations == 0 || iterations == maxIterations) {
-    this.color(0, 0, 0);
-  } else {
-    this.color(colorMultipliers[0] * iterations, colorMultipliers[1] * iterations, colorMultipliers[2] * iterations);
-  }
-}, { output: [width, height], graphical: true });
-
-const canvasHolder = document.getElementById('canvasHolder');
-let render; // The GPU kernel built from buildRender
-let state = {
-  colorMultipliers: [0.01 * Math.random() + 0.015, 0.03 * Math.random() + 0.007, 0.02 * Math.random() + 0.010],
-  changes: {
-    centerX: 0,
-    centerY: 0,
-    zoom: 3,
-    cr: parseFloat(document.getElementById('realSlider').value) / SLIDER_DIV,
-    ci: parseFloat(document.getElementById('imaginarySlider').value) / SLIDER_DIV,
-    maxIterations: 1000,
-    width: document.body.clientWidth,
-    height: document.body.clientHeight,
-  },
-};
-
-const doRender = (renderF, state) => {
-  // gpu.js doesn't support JS objects as kernel parameters - https://github.com/gpujs/gpu.js/issues/245
-  renderF(state.maxIterations, state.cr, state.ci, state.centerX, state.centerY, state.zoom, state.colorMultipliers);
-};
-
-const loop = () => {
-  const stateChanges = Object.keys(state.changes);
-  if (stateChanges.length > 0) {
-    state = {...state, ...state.changes};
-    if (state.changes.width || state.changes.height) {
-      render = buildRender(state.width, state.height);
-      canvasHolder.appendChild(render.canvas);
-    }
-    if (typeof state.changes.ci !== 'undefined') {
-      document.getElementById('imag-val').value = state.ci.toFixed(4);
-      document.getElementById('imaginarySlider').value = state.changes.ci * SLIDER_DIV;
-    }
-    if (typeof state.changes.cr !== 'undefined') {
-      document.getElementById('real-val').value = state.cr.toFixed(4);
-      document.getElementById('realSlider').value = state.changes.cr * SLIDER_DIV;
-    }
-    state.changes = {};
-    doRender(render, state);
-  }
-
-  requestAnimationFrame(loop);
-};
-
-loop();
-
-// UI Code
-
-const startAnim = (sliderId, complexComponentName='ci') => {
-  const restart = (interval) => {
-    clearInterval(interval);
-    document.getElementById(sliderId).innerHTML = 'Animate';
-    document.getElementById(sliderId).onclick = ()=>startAnim(sliderId, complexComponentName);
-    return;
-  };
-  const start = setInterval(() => {
-    if (state[complexComponentName] >= C_THRESHOLD) {
-      restart(start);
-    }
-
-    state.changes[complexComponentName] = state[complexComponentName] + 0.001;
-  }, 1000/60);
-  document.getElementById(sliderId).innerHTML = 'Stop';
-  document.getElementById(sliderId).onclick = ()=>restart(start);
-};
-
-document.getElementById('imaginarySlider').oninput = function() {
-  state.changes.ci = parseFloat(this.value) / SLIDER_DIV;
-};
-document.getElementById('realSlider').oninput = function() {
-  state.changes.cr = parseFloat(this.value) / SLIDER_DIV;
-};
-
-document.getElementById('imag-val').addEventListener('change', function (e) {
-  state.changes.ci = parseFloat(this.value);
-});
-document.getElementById('real-val').addEventListener('change', function (e) {
-  state.changes.cr = parseFloat(this.value);
-});
-
-canvasHolder.addEventListener('wheel', (e) => {
-  e.preventDefault();
-  state.changes.zoom = Math.min(Math.max(state.zoom + e.deltaY * 0.001 * state.zoom, MIN_ZOOM), MAX_ZOOM);
-});
-
-let isDown = false;
-canvasHolder.addEventListener('mousedown', (e) => {
-  e.preventDefault();
-  isDown = true;
-}, true);
-
-canvasHolder.addEventListener('mouseup', (e) => {
-  e.preventDefault();
-  isDown = false;
-}, true);
-
-canvasHolder.addEventListener('mousemove', (e) => {
-  e.preventDefault();
-  if (isDown) {
-    let deltaX = -e.movementX * state.zoom / document.body.clientWidth;
-    let deltaY = e.movementY * state.zoom / document.body.clientHeight;
-    state.changes.centerX = state.centerX + deltaX;
-    state.changes.centerY = state.centerY + deltaY;
-  }
-}, true);
-
-window.addEventListener('resize', () => {
-  state.changes.width = document.body.clientWidth;
-  state.changes.height = document.body.clientHeight;
-});