RPG dice app

apps.json

@@ -1020,5 +1020,19 @@
         {"name":"balltastic.app.js","url":"app.js"},
         {"name":"balltastic.img","url":"app-icon.js","evaluate":true}
       ]
+  },
+  {
+    "id": "rpgdice",
+    "name": "RPG dice",
+    "icon": "rpgdice.png",
+    "version": "0.01",
+    "description": "Simple RPG dice rolling app.",
+    "tags": "game,fun",
+    "type": "app",
+    "allow_emulator": true,
+    "storage": [
+      {"name":"rpgdice.app.js","url": "app.js"},
+      {"name":"rpgdice.img","url": "app-icon.js","evaluate":true}
+    ]
   }
 ]

apps/rpgdice/ChangeLog

@@ -0,0 +1 @@
+0.01: First release

apps/rpgdice/app-icon.js

@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEwwgMJgMQgMZzOREaERiERzIACiIVOAIIUCz///ORgIXNIQIAC/4ABJJYsBCogYEAYMQiAWGLAoAJJI8JLAYoCAAgJBJIIwGBohxBJI4YBJIwOFC4w5EC4hdOzIgCyLFDC45hHAAZJDgJAKMQwyBSYSOBxIXGPRTdChOfxChHbpRhBC4P5GAgAOgEZFAKjIBAz1EC5YYJxAvBJ4IXQzGIxEQB4RbPCoOIwEAOKAsCC4QvCFiAXDdwwsMC5eebogVGAALWBC42f/AWLC4zwCUgIEBCxK+DE4bsFC5+f/IrBC4RzHXwkZzATEDgP/RZAXFz5ECf4oXMCYKICC6hABMAQXOgAXBLgLrHRxZfCC6sBCo4XLLwIXBbAgXRMIQAGRxgwChIXVgEQIYimOGAZ6CSgOJC6CrCC4TZBC6IwCC4QWQPQYXKOggAFPQOfC5AWKPQgXGCpR6FOwoWOPQQXDIZYwHC4QVRAAQXBBxgA="))

apps/rpgdice/app.js

@@ -0,0 +1,86 @@
+const dice = [4, 6, 8, 10, 12, 20, 100];
+const nFlips = 20;
+const delay = 500;
+
+let dieIndex = 1;
+let face = 0;
+let rolling = false;
+
+let bgColor;
+let fgColor;
+
+function getDie() {
+  return dice[dieIndex];
+}
+
+function setColors(lastBounce) {
+  if (lastBounce) {
+    bgColor = 0xFFFF;
+    fgColor = 0x0000;
+  } else {
+    bgColor = 0x0000
+    fgColor = 0xFFFF;
+  }
+}
+
+function flipFace() {
+  while(true) {
+    let newFace = Math.floor(Math.random() * getDie()) + 1;
+    if (newFace !== face) {
+      face = newFace;
+      break;
+    }
+  }
+}
+
+function draw() {
+  g.setColor(bgColor);
+  g.fillRect(0, 0, g.getWidth(), g.getHeight());
+  g.setColor(fgColor);
+  g.setFontAlign(0, 0);
+  g.setFontVector(40);
+  g.drawString('d' + getDie(), 180, 30);
+  g.setFontVector(100);
+  g.drawString(face, 120, 120);
+}
+
+function roll(bounces) {
+  flipFace();
+  setColors(bounces === 0);
+  draw();
+  if (bounces > 0) {
+    setTimeout(() => roll(bounces - 1), delay / bounces);
+  } else {
+    rolling = false;
+  }
+}
+
+function startRolling() {
+  if (rolling) return;
+  rolling = true;
+  roll(nFlips);
+}
+
+function changeDie() {
+  if (rolling) return;
+  dieIndex = (dieIndex + 1) % dice.length;
+  draw();
+}
+
+Bangle.on('lcdPower',function(on) {
+  if (on) {
+    startRolling();
+  }
+});
+
+g.clear();
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+startRolling();
+
+// Top button rolls the die, bottom button changes it
+setWatch(startRolling, BTN1, {repeat:true});
+setWatch(changeDie, BTN3, {repeat:true});
+
+// Show launcher when middle button pressed
+setWatch(Bangle.showLauncher, BTN2, {repeat:false,edge:"falling"});