Add Oblique Strategies Clock face

apps/obliqueclock/ChangeLog

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+0.01: New App!

apps/obliqueclock/README.md

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+# Oblique Strategies Clock
+
+![](screenshot.png)
+
+Inspired by Brian Eno and Peter Schmidt’s
+[Oblique Strategies](https://en.wikipedia.org/wiki/Oblique_Strategies).
+
+Oblique Strategies are short prompts created by Brian Eno and Peter Schmidt.  
+They can be used to overcome creative blocks or to approach challenges from a different perspective — in art, work, or everyday decision-making.
+
+## Features
+- Time display rounded up to the next 5 minutes  
+- Displays a new Oblique Strategy every 5 minutes or when tapped  
+- Information line: `Day N | Wed Oct. 22 | W43`  
+- Motion indicator bar

apps/obliqueclock/app.js

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+const STRATEGIES = [
+  "Use an old idea","State the problem in words as clearly as possible","Only a part, not the whole",
+  "What would your closest friend do?","Work at a different speed","Try faking it","Emphasize the flaws",
+  "Simplify, then add lightness","Look closely at the most embarrassing details","Use an unacceptable color",
+  "Change instrument roles","Abandon normal instruments","Honor thy error as a hidden intention",
+  "Is something missing?","What would happen if you didn't do it?","Think inside the box",
+  "Repetition is a form of change","Reverse the order","Turn it upside down","Move towards the unimportant",
+  "Make a sudden, destructive, unpredictable action","Remove specifics and convert to ambiguities",
+  "Ask your body","Use fewer notes","Do the last thing first","Disconnect from desire",
+  "Question the heroic approach","Breathe more deeply","Make a blank valuable by putting it in an exquisite frame",
+  "Take away the elements in order of apparent non-importance","Emphasize differences",
+  "Use an accidental or random detail","What would you do if you had no fear?","Do something boring",
+  "Make it more physical","Don't be frightened to display your talents","Work outside",
+  "Shortest distance is not the most interesting","Change nothing and continue with immaculate consistency",
+  "Remove a safety net","Make a list of everything you do not do","Your mistake was a hidden intention",
+  "Work to rule","Do something sudden, destructive and unpredictable","Use filters","Do the words need changing?",
+  "Be extravagant","Make the middle more important","Try another context","Give way to your worst impulse"
+];
+
+let state = { idx:0, lastChange:0, motionLevel:0 };
+let boundaryTimeout = 0;
+let accelBuf = [];
+
+const MON = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
+const WDAY = ["Sun","Mon","Tue","Wed","Thu","Fri","Sat"];
+
+function wrapText(txt, w){
+  if (g.wrapString) return g.wrapString(txt, w);
+  const words=txt.split(" "); let lines=[], line="";
+  for (let i=0;i<words.length;i++){
+    let test=line?line+" "+words[i]:words[i];
+    if (g.stringWidth(test)>w && line){ lines.push(line); line=words[i]; }
+    else line=test;
+  }
+  if (line) lines.push(line);
+  return lines;
+}
+function isoWeekNumber(d){
+  const target=new Date(d.valueOf());
+  const dayNr=(d.getDay()+6)%7;
+  target.setDate(target.getDate()-dayNr+3);
+  const firstThursday=new Date(target.getFullYear(),0,4);
+  const firstDayNr=(firstThursday.getDay()+6)%7;
+  firstThursday.setDate(firstThursday.getDate()-firstDayNr+3);
+  return 1+Math.round((target-firstThursday)/(7*24*3600*1000));
+}
+function dayOfYear(d){ const s=new Date(d.getFullYear(),0,0); return Math.floor((d-s)/86400000); }
+function roundedUpHM(d){
+  let h=d.getHours(), m=d.getMinutes();
+  let r=Math.ceil(m/5)*5; if (r===60){ r=0; h=(h+1)%24; }
+  return {h,m:r};
+}
+
+// info row: Day N | Wed Oct. 22 | W43
+function makeInfoText(now, width){
+  const doy=dayOfYear(now);
+  const week=isoWeekNumber(now);
+  const wd=WDAY[now.getDay()];
+  const mon=MON[now.getMonth()];
+  const d=(""+now.getDate());
+  let text=`Day ${doy} | ${wd} ${mon}. ${d} | W${week}`;
+  for (let s of [12,11,10,9,8]){
+    g.setFont("Vector",s);
+    if (g.stringWidth(text)<=width) return {text,size:s};
+  }
+  text=`D${doy}|${wd}${mon}.${d}|W${week}`;
+  for (let s of [12,11,10,9,8]){
+    g.setFont("Vector",s);
+    if (g.stringWidth(text)<=width) return {text,size:s};
+  }
+  return {text:`D${doy}|${mon}.${d}|W${week}`,size:8};
+}
+
+function pickStrategy(seed){ let x=seed|0; x^=x<<13; x^=x>>>17; x^=x<<5; return Math.abs(x)%STRATEGIES.length; }
+function updateStrategy(forceNew){
+  const now=new Date();
+  if (!forceNew && (now - state.lastChange) < 250) return;
+  state.lastChange=now;
+  const seed=(now.getFullYear()*10000 + (now.getMonth()+1)*100 + now.getDate())*100000 +
+              now.getHours()*3600 + now.getMinutes()*60 + now.getSeconds();
+  state.idx=pickStrategy(seed + Math.floor(now.getMinutes()/5));
+  draw();
+}
+
+function accelHandler(a){
+  const m=Math.sqrt(a.x*a.x+a.y*a.y+a.z*a.z);
+  accelBuf.push(m); if (accelBuf.length>20) accelBuf.shift();
+  const avg=accelBuf.reduce((s,v)=>s+v,0)/accelBuf.length;
+  const v=accelBuf.reduce((s,u)=>s+(u-avg)*(u-avg),0)/accelBuf.length;
+  state.motionLevel=Math.min(1, Math.sqrt(v)/0.2);
+}
+
+// --- UI ---
+function panel(x1,y1,x2,y2,bg){
+  const old=g.getColor?g.getColor():1;
+  g.setColor(bg); g.fillRect(x1,y1,x2,y2);
+  g.setColor(0,0,0); g.drawRect(x1,y1,x2,y2);
+  if (g.setColor) g.setColor(old);
+}
+function draw(){
+  g.reset(); g.clear();
+  const R=Bangle.appRect, w=R.x2-R.x+1;
+  const now=new Date(), G1="#F0F0F0", G2="#E0E0E0", G3="#D0D0D0";
+
+  const timeTop=R.y+1, timeBottom=timeTop+32;
+  panel(R.x+2,timeTop,R.x2-2,timeBottom,G1);
+  const hm=roundedUpHM(now), hh=("0"+hm.h).slice(-2), mm=("0"+hm.m).slice(-2), ts=hh+":"+mm;
+  g.setFont("Vector",28); if (g.stringWidth(ts)>w-20) g.setFont("Vector",24);
+  g.setFontAlign(-1,-1); g.drawString(ts,R.x+8,timeTop+4);
+
+  const infoTop=timeBottom+3, infoBottom=infoTop+14;
+  panel(R.x+2,infoTop,R.x2-2,infoBottom,G2);
+  const info=makeInfoText(now,w-16);
+  g.setFont("Vector",info.size); g.setFontAlign(-1,-1); g.drawString(info.text,R.x+6,infoTop+1);
+
+  const stratTop=infoBottom+5, stratBottom=R.y2-40;
+  panel(R.x+2,stratTop,R.x2-2,stratBottom,G1);
+  const boxW=w-24; let sizes=[17,16,15,14,13], chosen=13, lines;
+  for (let s of sizes){ g.setFont("Vector",s); lines=wrapText('"'+STRATEGIES[state.idx]+'"',boxW);
+    if (lines.length*s*1.2 <= (stratBottom-stratTop-12)){ chosen=s; break; } }
+  g.setFont("Vector",chosen);
+  let y=stratTop+7; for (let i=0;i<lines.length;i++){ if (y>stratBottom-chosen) break; g.setFontAlign(-1,-1); g.drawString(lines[i],R.x+10,y); y+=chosen*1.2; }
+
+  const motTop=stratBottom+5, motBottom=R.y2-2;
+  panel(R.x+2,motTop,R.x2-2,motBottom,G3);
+  const barX1=R.x+12, barX2=R.x2-12, barY=motTop+Math.round((motBottom-motTop)/2)-4;
+  g.setColor("#B0B0B0"); g.fillRect(barX1,barY,barX2,barY+8); g.setColor(0,0,0); g.drawRect(barX1,barY,barX2,barY+8);
+  const lvl=Math.max(0,Math.min(1,state.motionLevel));
+  const fx=barX1+Math.round(lvl*(barX2-barX1)); g.fillRect(barX1,barY,fx,barY+8);
+}
+
+function scheduleNextBoundary(){
+  if (boundaryTimeout) clearTimeout(boundaryTimeout);
+  const now=new Date(), m=now.getMinutes(), s=now.getSeconds(), ms=now.getMilliseconds();
+  const minsToNext=(5-(m%5))%5 || 5;
+  const msToNext=minsToNext*60000 - s*1000 - ms;
+  boundaryTimeout=setTimeout(function(){ updateStrategy(true); draw(); scheduleNextBoundary(); }, msToNext);
+}
+function onTap(){ updateStrategy(true); }
+
+Bangle.setHRMPower(false);
+Bangle.on('lcdPower', on=>{
+  if (on){ Bangle.on('accel', accelHandler); draw(); }
+  else Bangle.removeListener('accel', accelHandler);
+});
+Bangle.on('touch', onTap);
+Bangle.on('tap', onTap);
+Bangle.setUI({
+  mode:"clock",
+  redraw:draw,
+  remove:function(){
+    if (boundaryTimeout) clearTimeout(boundaryTimeout);
+    Bangle.removeListener('accel', accelHandler);
+    Bangle.removeListener('touch', onTap);
+    Bangle.removeListener('tap', onTap);
+    Bangle.removeAllListeners('lcdPower');
+  }
+});
+
+g.clear();
+updateStrategy(true);
+draw();
+scheduleNextBoundary();
+if (Bangle.isLCDOn()) Bangle.on('accel', accelHandler);

apps/obliqueclock/metadata.json

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+{ 
+    "id": "obliqueclock",
+    "name": "Oblique Strategies Clock",
+    "shortName" : "Oblique Clock",
+    "icon": "app.png",
+    "version": "0.01",
+    "description": "Oblique Strategies are short prompts which can be used to overcome creative blocks",
+    "type": "clock",
+    "tags": "clock",
+    "readme": "README.md",
+    "supports": ["BANGLEJS2"],
+    "screenshots" : [{ "url":"screenshot.png" }],
+    "storage": [
+    {"name":"obliqueclock.app.js","url":"app.js"},
+    {"name":"obliqueclock.img","url":"app-icon.js","evaluate":true}
+  ]
+}