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6 Commits

Author SHA1 Message Date
ElementalAlchemist 75a6733362 Better align bus stop signs with the front of the bus 2 weeks ago
ElementalAlchemist a80f7889af Show icons for points we've driven past 2 weeks ago
ElementalAlchemist e440dd965c Constantize the canvas width in case we want it widened in the future 2 weeks ago
ElementalAlchemist 79e6e7266c Add key-out color on the ground 2 weeks ago
ElementalAlchemist 2d68b7805e Implement scaling 2 weeks ago
ElementalAlchemist 7fca10593d Implement canvas-based bus system 2 weeks ago

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#scale {
display: block;
margin-top: 20px;
}
#scale-disclaimer {
font-size: 75%;
font-style: italic;
}

@ -1,54 +1,19 @@
<!doctype html> <!doctype html>
<html> <html>
<head>
<style> <meta charset="utf-8" />
#road-container { <title>Bus Progress</title>
width: 100%; <link rel="stylesheet" href="drive.css" />
height: 100px;
left: 0;
top: 0;
position: absolute;
// margin: 980px 0 0 -100px; // uncomment to move to bottom of screen
z-index: 3;
}
#road-container div {
height: 100px;
width: 100%;
position: absolute;
background-position: 0px 0px;
}
#timeofday-left {
z-index: 5;
}
#timeofday-right {
z-index: 4;
}
#stops {
z-index: 6;
background-image: url(stops.png);
}
#bus {
background-repeat: no-repeat;
margin-left: 27px;
z-index: 8;
}
</style>
<body>
<div id="road-container">
<div id="bus"></div>
<div id="timeofday-left"></div>
<div id="timeofday-right"></div>
<div id="stops"></div>
</div>
<script src="drive.js"></script> <script src="drive.js"></script>
</head>
<body>
<canvas id="road" width="1920" height="100"></canvas>
<label id="scale">
Scale:
<input id="scale-input" type="number" value="1" min="0.1" step="0.1" />
</label>
<p id="scale-disclaimer">
Scale modifications will be applied on the next update, which occur every 10 seconds.
</p>
</body> </body>
</html>

@ -1,122 +1,210 @@
const COLORS = {
const PAGE_WIDTH = 1920; day: {
const MINUTES_PER_PAGE = 60; sky: "#41cee2",
const POINT_WIDTH = PAGE_WIDTH * 8 * 60 / MINUTES_PER_PAGE; ground: "#e5931b",
const MILES_PER_PAGE = 45; surface: "#b77616",
const BUS_POSITION_X = 93; },
const BASE_ODO = 109.3; dusk: {
const UPDATE_INTERVAL_MS = 5000 sky: "#db92be",
const WUBLOADER_URL = ""; ground: "#dd926a",
const SKY_URLS = { surface: "#b17555",
day: "db_day.png", },
dawn: "db_dawn.png", night: {
dusk: "db_dusk.png", sky: "#121336",
night: "db_night.png", ground: "#30201a",
}; surface: "#261a15",
const BUS_URLS = { },
day: "bus_day.png", dawn: {
dawn: "bus_day.png", sky: "#2b2f87",
dusk: "bus_day.png", ground: "#724d41",
night: "bus_night.png", surface: "#5b3e34",
},
}; };
function setSkyElements(left, right, timeToTransition) { const KEY_OUT_COLOR = "#2b6ec6";
const leftElement = document.getElementById("timeofday-left");
const rightElement = document.getElementById("timeofday-right");
const busElement = document.getElementById("bus");
leftElement.style.backgroundImage = `url(${SKY_URLS[left]})`; // The width from the left side of the bus image to the front of the bus
rightElement.style.backgroundImage = `url(${SKY_URLS[right]})`; const BUS_FRONT_OFFSET = 73;
if (left === right) { // Start time of each day phase
leftElement.style.width = "100%"; const DAY_START_MINUTES = 450;
} else { const DUSK_START_MINUTES = 1140;
const transitionPercent = timeToTransition / MINUTES_PER_PAGE; const NIGHT_START_MINUTES = 1200;
leftElement.style.width = `${transitionPercent * 100}%` const DAWN_START_MINUTES = 400;
}
bus.style.backgroundImage = `url(${BUS_URLS[left]})`; const BUS_STOP_OFFSET = 8;
} const POINT_OFFSET = 17;
function nextSkyTransition(timeofday, clock) { // Bus stop positions are recorded in miles with the 0 position
switch (timeofday) { // at route start. This array can be looped every point.
case "dawn": const BUS_STOP_POSITIONS = [1, 55.2, 125.4, 166.3, 233.9, 295.2];
const BUS_DAY_IMAGE = new Image();
BUS_DAY_IMAGE.src = "bus_day.png";
const BUS_NIGHT_IMAGE = new Image();
BUS_NIGHT_IMAGE.src = "bus_night.png";
const BUS_STOP_IMAGE = new Image();
BUS_STOP_IMAGE.src = "db_stop.png";
const POINT_IMAGE = new Image();
POINT_IMAGE.src = "point.png";
// This should match the HTML canvas width
const CANVAS_PIXEL_WIDTH = 1920;
function nextPhase(timeOfDay) {
switch (timeOfDay) {
case "day": case "day":
return [19 * 60, "dusk"]; // 7pm case "dawn":
return "dusk";
case "dusk": case "dusk":
return [20 * 60, "night"]; // 8pm return "night";
case "night": case "night":
return [6 * 60 + 40, "dawn"]; // 6:40am return "dawn";
} }
} }
function setSky(timeofday, clock) { function phaseStartTime(timeOfDay) {
const [transition, newSky] = nextSkyTransition(timeofday, clock); switch (timeOfDay) {
// 1440 minutes in 24h, this code will return time remaining even if case "day":
// the transition is in the morning and we're currently in the evening. return DAY_START_MINUTES;
const timeToTransition = (1440 + transition - clock) % 1440; case "dusk":
if (timeToTransition < MINUTES_PER_PAGE) { return DUSK_START_MINUTES;
// Transition on screen case "night":
setSkyElements(timeofday, newSky, timeToTransition); return NIGHT_START_MINUTES;
} else { case "dawn":
// No transition on screen return DAWN_START_MINUTES;
setSkyElements(timeofday, timeofday, undefined);
} }
} }
function setOdo(odo) { function drawBackground(context, timeOfDay, leftX, width) {
const distancePixels = PAGE_WIDTH * (odo - BASE_ODO) / MILES_PER_PAGE; const skyColor = COLORS[timeOfDay].sky;
const offset = (BUS_POSITION_X - distancePixels) % POINT_WIDTH; const groundColor = COLORS[timeOfDay].ground;
const surfaceColor = COLORS[timeOfDay].surface;
const stopsElement = document.getElementById("stops"); context.fillStyle = KEY_OUT_COLOR;
stopsElement.style.backgroundPosition = `${offset}px 0px`; context.fillRect(leftX, 80, width, 20);
context.fillStyle = COLORS[timeOfDay].sky;
context.fillRect(leftX, 0, width, 80);
context.fillStyle = COLORS[timeOfDay].surface;
context.fillRect(leftX, 80, width, 1);
context.fillStyle = COLORS[timeOfDay].ground;
context.fillRect(leftX, 81, width, 7);
context.fillRect(leftX, 89, width, 3);
context.fillRect(leftX, 94, width, 2);
context.fillRect(leftX, 99, width, 1);
} }
async function update() { async function drawRoad() {
const busDataResponse = await fetch(`${WUBLOADER_URL}/thrimshim/bus/buscam`); const busDataResponse = await fetch("/thrimshim/bus/buscam");
if (!busDataResponse.ok) { if (!busDataResponse.ok) {
return; return;
} }
const busData = await busDataResponse.json(); const busData = await busDataResponse.json();
console.log("Got data:", busData);
setOdo(busData.odometer); const canvas = document.getElementById("road");
setSky(busData.timeofday, busData.clock_minutes); if (!canvas.getContext) {
} return;
}
// Initial conditions, before the first refresh finishes const context = canvas.getContext("2d");
setSky("day", 7 * 60);
setOdo(BASE_ODO); // Clear the previous canvas before starting
context.clearRect(0, 0, CANVAS_PIXEL_WIDTH, 100);
// Testing mode. Set true to enable.
const test = false; const currentTime = busData.clock_minutes;
if (test) { const distance = busData.odometer;
let h = 0; const timeOfDay = busData.timeofday;
// Set to how long 1h of in-game time should take in real time
const hourTimeMs = 1 * 1000; drawBackground(context, timeOfDay, 0, BUS_FRONT_OFFSET);
// Set to how often to update the screen
const interval = 30; const maxWidth = CANVAS_PIXEL_WIDTH - BUS_FRONT_OFFSET;
setInterval(() => { // The default scaling factor (1) is 20 seconds per pixel at max speed.
h += interval / hourTimeMs; // This gives us
setOdo(BASE_ODO + 45 * h); // - 3px per minute
if (h < 19) { // - 4px per mile
setSky("day", 60 * h); let scaleFactor = +document.getElementById("scale-input").value;
} else { if (scaleFactor === 0 || isNaN(scaleFactor)) {
m = (h % 24) * 60; scaleFactor = 1;
let tod; }
if (m < 6 * 60 + 40) {
tod = "night"; const startMinute = busData.clock_minutes;
} else if (m < 19 * 60) { const timeDuration = maxWidth / (3 * scaleFactor);
tod = "dawn";
} else if (m < 20 * 60) { let previousTime = startMinute;
tod = "dusk"; let previousTimeOfDay = timeOfDay;
let remainingDuration = timeDuration;
let x = BUS_FRONT_OFFSET;
while (remainingDuration > 0) {
const nextTimeOfDay = nextPhase(previousTimeOfDay);
const nextStartTime = phaseStartTime(nextTimeOfDay);
let thisDuration = nextStartTime - previousTime;
if (thisDuration < 0) {
thisDuration += 1440;
}
// TODO Figure out scaling factor
const pixelWidth = thisDuration * 3 * scaleFactor;
drawBackground(context, previousTimeOfDay, x, pixelWidth);
remainingDuration -= thisDuration;
previousTime = nextStartTime;
previousTimeOfDay = nextTimeOfDay;
x += pixelWidth;
}
x = 0;
const currentPointProgress = distance % 360;
let distanceToNextPoint;
if (currentPointProgress <= 109.3) {
distanceToNextPoint = 109.3 - currentPointProgress;
} else { } else {
tod = "night"; distanceToNextPoint = 469.3 - currentPointProgress;
}
distanceToNextPoint += BUS_FRONT_OFFSET / (4 * scaleFactor);
if (distanceToNextPoint >= 360) {
distanceToNextPoint -= 360;
}
x += distanceToNextPoint * 4 * scaleFactor;
context.drawImage(POINT_IMAGE, x - POINT_OFFSET, 0);
while (x < CANVAS_PIXEL_WIDTH) {
x += 360 * 4 * scaleFactor;
context.drawImage(POINT_IMAGE, x - POINT_OFFSET, 0);
}
const distanceOnRoute = (distance - 109.3) % 360;
let distanceTracked = distanceOnRoute - BUS_FRONT_OFFSET / (4 * scaleFactor);
if (distanceTracked < 0) {
distanceTracked += 720;
}
x = 0;
while (x < CANVAS_PIXEL_WIDTH) {
const distanceTrackedOnRoute = distanceTracked % 360;
let nextBusStopPosition = null;
for (const busStopPosition of BUS_STOP_POSITIONS) {
if (busStopPosition >= distanceTrackedOnRoute + 1) {
nextBusStopPosition = busStopPosition;
break;
} }
setSky(tod, m);
} }
}, interval); if (nextBusStopPosition === null) {
nextBusStopPosition = 360 + BUS_STOP_POSITIONS[0];
}
const nextBusStopDistance = nextBusStopPosition - distanceTrackedOnRoute;
distanceTracked += nextBusStopDistance;
x += nextBusStopDistance * 4 * scaleFactor;
context.drawImage(BUS_STOP_IMAGE, x - BUS_STOP_OFFSET, 0);
}
if (timeOfDay === "night") {
context.drawImage(BUS_NIGHT_IMAGE, 0, 0);
} else { } else {
// Do first update immediately, then every UPDATE_INTERVAL_MS context.drawImage(BUS_DAY_IMAGE, 0, 0);
setInterval(update, UPDATE_INTERVAL_MS);
update();
} }
}
window.addEventListener("DOMContentLoaded", (event) => {
drawRoad();
setInterval(drawRoad, 10000);
});

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