mirror of https://github.com/espruino/BangleApps
128 lines
2.8 KiB
JavaScript
128 lines
2.8 KiB
JavaScript
// Henkinen
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//
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// Bangle.js 2 breathing helper
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// by Jukio Kallio
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// www.jukiokallio.com
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require("FontHaxorNarrow7x17").add(Graphics);
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// settings
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const breath = {
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theme: "default",
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x:0, y:0, w:0, h:0,
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size: 60,
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bgcolor: g.theme.bg,
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incolor: g.theme.fg,
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keepcolor: g.theme.fg,
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outcolor: g.theme.fg,
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font: "HaxorNarrow7x17", fontsize: 1,
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textcolor: g.theme.fg,
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texty: 18,
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in: 4000,
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keep: 7000,
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out: 8000
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};
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// set some additional settings
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breath.w = g.getWidth(); // size of the background
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breath.h = g.getHeight();
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breath.x = breath.w * 0.5; // position of the circles
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breath.y = breath.h * 0.45;
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breath.texty = breath.y + breath.size + breath.texty; // text position
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var wait = 100; // wait time, normally a minute
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var time = 0; // for time keeping
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// timeout used to update every minute
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var drawTimeout;
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// schedule a draw for the next minute
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function queueDraw() {
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if (drawTimeout) clearTimeout(drawTimeout);
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drawTimeout = setTimeout(function() {
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drawTimeout = undefined;
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draw();
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}, wait - (Date.now() % wait));
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}
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// main function
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function draw() {
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// make date object
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//var date = new Date();
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// update current time
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time += wait - (Date.now() % wait);
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if (time > breath.in + breath.keep + breath.out) time = 0; // reset time
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// Reset the state of the graphics library
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g.reset();
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// Clear the area where we want to draw the time
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g.setColor(breath.bgcolor);
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g.fillRect(0, 0, breath.w, breath.h);
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// calculate circle size
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var circle = 0;
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if (time < breath.in) {
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// breath in
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circle = time / breath.in;
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g.setColor(breath.incolor);
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} else if (time < breath.in + breath.keep) {
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// keep breath
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circle = 1;
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g.setColor(breath.keepcolor);
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} else if (time < breath.in + breath.keep + breath.out) {
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// breath out
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circle = ((breath.in + breath.keep + breath.out) - time) / breath.out;
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g.setColor(breath.outcolor);
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}
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// draw breath circle
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g.fillCircle(breath.x, breath.y, breath.size * circle);
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// breath area
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g.setColor(breath.textcolor);
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g.drawCircle(breath.x, breath.y, breath.size);
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// draw text
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g.setFontAlign(0,0).setFont(breath.font, breath.fontsize).setColor(breath.textcolor);
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if (time < breath.in) {
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// breath in
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g.drawString("Breath in", breath.x, breath.texty);
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} else if (time < breath.in + breath.keep) {
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// keep breath
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g.drawString("Keep it in", breath.x, breath.texty);
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} else if (time < breath.in + breath.keep + breath.out) {
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// breath out
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g.drawString("Breath out", breath.x, breath.texty);
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}
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// queue draw
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queueDraw();
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}
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// Clear the screen once, at startup
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g.clear();
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// draw immediately at first
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draw();
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// keep LCD on
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Bangle.setLCDPower(1);
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// Show launcher when middle button pressed
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Bangle.setUI("clock");
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