4 <meta name=
"viewport" content=
"width=device-width, initial-scale=1" />
12 * Reset styles for the html and body elements, the only two HTML
24 text-decoration: none;
25 vertical-align: baseline;
26 background: transparent;
30 /* To create our "window" onto the scene, we're going to slide the
31 * SVG off the left-hand side of the screen, and we don't want
32 * scroll bars to appear. */
37 /* Set the height to
100% of the screen, which we'll keep; and the
38 * initial position to (
0,
0), which we're going to change
39 * every time the window is resized, because the exact amount
40 * that we have to slide the SVG to the left to get the ticket
41 * into the center will change. */
48 /* The blinking fade in/out animation for the ticket date and time */
61 #tickettime, #ticketdate {
62 /*
300 two-second blinks is ten minutes */
63 animation: blink
2s linear
300;
66 /* Define, load, and specify the custom font we use for the ticket
67 * date, time, and service name. */
69 font-family: "CharmBypass Regular";
71 url("data:font/woff2;base64,@CBPREGULAR@") format("woff2")
74 #servicename, #tickettime, #ticketdate {
75 font-family: "CharmBypass Regular";
79 font-family: "CharmBypass Bold";
81 url("data:font/woff2;base64,@CBPBOLD@") format("woff2")
85 font-family: "CharmBypass Bold";
88 /************************/
89 /* Scrolling animations */
90 /************************/
95 transform: translateX(
0%);
98 transform: translateX(
100%);
103 animation: busroll
23s linear infinite;
108 @keyframes tramroll {
110 transform: translateX(
0%);
113 transform: translateX(
100%);
118 animation: tramroll
17s linear infinite;
123 @keyframes trainroll {
125 transform: translateX(
0%);
128 transform: translateX(
100%);
133 animation: trainroll
11s linear infinite;
138 @keyframes cloudsfloat {
140 transform: translateX(
0%);
143 transform: translateX(-
50%);
148 animation: cloudsfloat
40s linear infinite;
151 @keyframes cloudscopyfloat {
153 transform: translateX(
0%);
156 transform: translateX(-
50%);
161 animation: cloudscopyfloat
40s linear infinite;
166 @keyframes treespass {
168 transform: translateX(
0%);
171 transform: translateX(-
50%);
176 /* The trees move a little faster than the clouds */
177 animation: treespass
30s linear infinite;
180 @keyframes treescopypass {
182 transform: translateX(
0%);
185 transform: translateX(-
50%);
190 /* The trees move a little faster than the clouds */
191 animation: treescopypass
30s linear infinite;
196 @keyframes cityscroll {
198 transform: translateX(
0%);
201 transform: translateX(-
50%);
206 /* The city moves faster than the clouds but slower
208 animation: cityscroll
35s linear infinite;
211 @keyframes citycopyscroll {
213 transform: translateX(
0%);
216 transform: translateX(-
50%);
221 /* The city moves faster than the clouds but slower
223 animation: citycopyscroll
35s linear infinite;
233 /***********************************************/
234 /* First, center the ticket within the browser */
235 /***********************************************/
237 function center_ticket() {
238 /* We're relying on the SVG being the full height of the
239 * viewport already, and on the aspect ratio being
240 * preserved. First, find the center of the ticket. */
241 const r = document.getElementById("ticket").getBoundingClientRect();
242 const c = r.left + (r.width /
2);
244 /* That's the center-line of the ticket. We want to move it to
245 * the center-line of the viewport. */
246 const vc = document.documentElement.clientWidth /
2;
248 /* This is how much we need to translate the SVG */
249 const delta = vc - c;
251 /* But before we can set the absolute left-coordinate of the
252 * SVG, we need to know where it is now. Note: without the
253 * "px" this doesn't default to pixels like CSS does. */
254 const svg = document.querySelector("svg");
255 svg.style.left = (svg.getBoundingClientRect().left + delta) + "px";
258 /* Re-center it when the window is resized */
259 window.addEventListener("resize", center_ticket);
261 /* Center it once when the page has loaded, too */
262 window.addEventListener("load", center_ticket);
265 /*************************/
266 /* Set the security code */
267 /*************************/
269 /* All
<text> elements produced by inkscape contain a single
<tspan>
270 * that itself contains the actual text. This does something real
271 * sneaky, and actually OVERWRITES that tspan with our own text
272 * content. This turns out to be what we need anyway because trying
273 * to center a (display: inline) tspan is a pain in the butt. */
274 const ct = document.getElementById("codetext");
276 /* Get the "code" from the querystring if it's there */
277 let params = new URLSearchParams(document.location.search);
278 if (params.get("code")) {
279 ct.textContent = params.get("code");
282 /* Otherwise, use a random code */
283 const bucket = ["
0","
1","
2","
3","
4","
5","
6","
7","
8","
9",
284 "A","B","C","D","E","F","G","H","I","J",
285 "K","L","M","N","O","P","Q","R","S","T",
286 "U","V","W","X","Y","Z"];
288 /* Two random ints between
0 and
35 */
289 const i1 = Math.floor(Math.random() *
36);
290 const i2 = Math.floor(Math.random() *
36);
291 const d1 = bucket[i1];
292 const d2 = bucket[i2];
293 ct.textContent = d1 + d2;
296 /* Now center the security code inside its red box */
297 /* First, find the center of the red box */
298 const r1 = document.getElementById("codebg").getBoundingClientRect();
299 const c1 = r1.left + (r1.width /
2);
301 /* Now the center of the code text */
302 const r2 = ct.getBoundingClientRect();
303 const c2 = r2.left + (r2.width /
2);
305 /* What do we add to c2 to make it equal to c1? */
306 const code_delta = c1 - c2;
308 /* Since this
<text> element has an "x" attribute it's easier for us
309 * to shift that than it is to mess with the "left" style. */
310 ct.setAttribute("x", parseFloat(ct.getAttribute("x")) + code_delta);
313 /*****************************************/
314 /* Next, set up the ticket date and time */
315 /*****************************************/
317 /* There are two parameters, time and date, that we store in one
318 * underlying "date" variable. Default both to an hour and a
319 * half from now. This is what the CharmPass app does for
322 const date = new Date();
324 /* Add an hour and a half. We use the low-level get/setTime to
325 * change the number of milliseconds since the epoch that this
326 * date represents. Obviously correct, and avoids all suspicious
327 * corner cases (well, for a few more decades). */
328 date.setTime(date.getTime() + (
90*
60*
1000));
330 /* All
<text> elements produced by inkscape contain a single
<tspan>
331 * that itself contains the actual text. */
332 tt = document.getElementById("tickettime");
333 tt.firstChild.textContent = date.toLocaleTimeString();
335 const td = document.getElementById("ticketdate");
341 td.firstChild.textContent = date.toLocaleDateString("en-US", dateopts);
344 /*************************************************************/
345 /* Finally, add the onclick handler for the night/day switch */
346 /*************************************************************/
348 /* We always start in "day" mode */
352 sky.style.fill = "#efb02f";
355 function set_night() {
356 sky.style.fill = "#
143b66";
359 function swap_colors() {
370 document.body.addEventListener("click", swap_colors);