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Tweak to add 'reset()' before draw

pull/479/head
Gordon Williams 2020-06-03 08:28:12 +01:00
parent 146a390bf7
commit 6dd3dfb33e
1 changed files with 5 additions and 7 deletions
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12
apps/metronome/metronome.js
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@ -29,7 +29,7 @@ function loadSettings() {
} }
function changecolor() { function changecolor() {
const colors = { const colors = {
0: { value: 0xF800, name: "Red" }, 0: { value: 0xF800, name: "Red" },
1: { value: 0xFFFF, name: "White" }, 1: { value: 0xFFFF, name: "White" },
2: { value: 0x9492, name: "gray" }, 2: { value: 0x9492, name: "gray" },
@ -50,18 +50,16 @@ function changecolor() {
} }
function updateScreen() { function updateScreen() {
g.clearRect(0, 50, 250, 150); g.reset().clearRect(0, 50, 250, 150);
changecolor(); changecolor();
try { try {
Bangle.buzz(50, setting('buzzintens')); Bangle.buzz(50, setting('buzzintens'));
} catch(err) {
} }
catch(err) { g.setFont("Vector",40).setFontAlign(0,0);
}
g.setFont("Vector",40);
g.drawString(Math.floor(bpm)+"bpm", g.getWidth()/2, 100); g.drawString(Math.floor(bpm)+"bpm", g.getWidth()/2, 100);
} }
Bangle.on('touch', function(button) { Bangle.on('touch', function(button) {
// setting bpm by tapping the screen. Uses the mean time difference between several tappings. // setting bpm by tapping the screen. Uses the mean time difference between several tappings.
if (tindex < time_diffs.length) { if (tindex < time_diffs.length) {
@ -105,7 +103,7 @@ setWatch(() => {
interval = setInterval(updateScreen, 60000 / bpm); interval = setInterval(updateScreen, 60000 / bpm);
g.clear(); g.clear(1).setFont("6x8");
g.drawString('Touch the screen to set tempo.\nUse BTN1 to increase, and\nBTN3 to decrease bpm value by 1.', 25, 200); g.drawString('Touch the screen to set tempo.\nUse BTN1 to increase, and\nBTN3 to decrease bpm value by 1.', 25, 200);
Bangle.loadWidgets(); Bangle.loadWidgets();