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Compass: 0.02

master
Purple-Tentacle 2020-04-17 16:38:33 +02:00 committed by GitHub
parent dcb2a6c2d9
commit 9a664ecae4
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2 changed files with 45 additions and 34 deletions
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2
apps/compass/ChangeLog Normal file
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0.01: New App!
0.02: Show text if uncalibrated

77
apps/compass/compass.js
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@ -1,34 +1,43 @@
g.clear(); g.clear();
g.setColor(0,0.5,1); g.setColor(0,0.5,1);
g.fillCircle(120,130,80,80); g.fillCircle(120,130,80,80);
g.setColor(0,0,0); g.setColor(0,0,0);
g.fillCircle(120,130,70,70); g.fillCircle(120,130,70,70);
function arrow(r,c) { function arrow(r,c) {
r=r*Math.PI/180; r=r*Math.PI/180;
var p = Math.PI/2; var p = Math.PI/2;
g.setColor(c); g.setColor(c);
g.fillPoly([ g.fillPoly([
120+60*Math.sin(r), 130-60*Math.cos(r), 120+60*Math.sin(r), 130-60*Math.cos(r),
120+10*Math.sin(r+p), 130-10*Math.cos(r+p), 120+10*Math.sin(r+p), 130-10*Math.cos(r+p),
120+10*Math.sin(r+-p), 130-10*Math.cos(r-p), 120+10*Math.sin(r+-p), 130-10*Math.cos(r-p),
]); ]);
} }
var oldHeading = 0; var oldHeading = 0;
Bangle.on('mag', function(m) { Bangle.on('mag', function(m) {
if (!Bangle.isLCDOn()) return; if (!Bangle.isLCDOn()) return;
g.setFont("6x8",3); g.setFont("6x8",3);
g.setColor(0); g.setColor(0);
g.fillRect(70,0,170,24); g.fillRect(0,0,230,40);
g.setColor(0xffff); g.setColor(0xffff);
g.setFontAlign(0,0); if (isNaN(m.heading)) {
g.drawString(isNaN(m.heading)?"---":Math.round(m.heading),120,12); g.setFontAlign(-1,-1);
g.setColor(0,0,0); g.setFont("6x8",2);
arrow(oldHeading,0); g.drawString("Uncalibrated",50,12);
arrow(oldHeading+180,0); g.drawString("turn 360° around",25,26);
arrow(m.heading,0xF800); }
arrow(m.heading+180,0x001F); else {
oldHeading = m.heading; g.setFontAlign(0,0);
}); g.setFont("6x8",3);
Bangle.setCompassPower(1); g.drawString(Math.round(m.heading),120,12);
}
g.setColor(0,0,0);
arrow(oldHeading,0);
arrow(oldHeading+180,0);
arrow(m.heading,0xF800);
arrow(m.heading+180,0x001F);
oldHeading = m.heading;
});
Bangle.setCompassPower(1);