mirror of https://github.com/espruino/BangleApps
31 lines
790 B
JavaScript
31 lines
790 B
JavaScript
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g.clear();
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var old = {x:0,y:0};
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Bangle.on('accel',function(v) {
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var max = Math.max(Math.abs(v.x),Math.abs(v.y),Math.abs(v.z));
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if (Math.abs(v.y)==max) {
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v = {x:v.x,y:v.z,z:v.y};
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} else if (Math.abs(v.x)==max) {
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v = {x:v.z,y:v.y,z:v.x};
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}
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var d = Math.sqrt(v.x*v.x+v.y*v.y);
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var ang = Math.atan2(d,Math.abs(v.z))*180/Math.PI;
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g.setColor(1,1,1);
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g.setFont("6x8",2);
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g.setFontAlign(0,-1);
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g.clearRect(60,0,180,16);
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g.drawString(ang.toFixed(1),120,0);
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var n = {
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x:E.clip(120+v.x*256,4,236),
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y:E.clip(120+v.y*256,4,236)};
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g.clearRect(old.x-3,old.y-3,old.x+6,old.y+6);
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g.setColor(1,1,1);
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g.fillRect(n.x-3,n.y-3,n.x+6,n.y+6);
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g.setColor(1,0,0);
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g.drawCircle(120,120,20);
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g.drawCircle(120,120,60);
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g.drawCircle(120,120,100);
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old = n;
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});
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