/usr/share/games/flightgear/Phi/instruments/DualArcGauge.js is in flightgear-phi 2016.4.2+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | define([
'jquery', 'knockout', 'text!./DualArcGauge.svg', 'sprintf'
], function(jquery, ko, svgString, sprintf) {
function getXY(positionNorm, r) {
var a = (120*positionNorm-60)/180*Math.PI;
return {
'x': 50+r*Math.sin(a),
'y': 52-r*Math.cos(a)
}
}
function Tick( width, positionNorm, color ) {
var self = this;
self.width = width;
self.color = color;
var xy = getXY( positionNorm, 45 );
self.getStartXY = xy.x.toString()+","+ xy.y.toString();
xy = getXY( positionNorm, 50 );
self.getEndXY = xy.x.toString()+","+ xy.y.toString();
}
function Marker( label, positionNorm, color ) {
var self = this;
self.label = label;
self.color = color;
var xy = getXY( positionNorm, 52 );
self.getX = xy.x;
self.getY = xy.y;
self.anchor = 'middle';
if( positionNorm < 0.4 ) self.anchor = 'end';
if( positionNorm > 0.6 ) self.anchor = 'start';
}
function Arc( color, start, end ) {
var self = this;
self.color = color;
if( start == end ) {
start -= 0.005;
end += 0.005;
}
var xy = getXY( start, 47.5 );
self.getStartXY = xy.x.toString()+","+ xy.y.toString();
xy = getXY( end, 47.5 );
self.getEndXY = xy.x.toString()+","+ xy.y.toString();
}
function ViewModel(params) {
var self = this;
self.config = {
label : params.label || '',
min : params.min || 0,
max : params.max || 1,
left : {
value : params.left.value || 0,
format : params.left.format || '%d',
},
right : {
value : params.right.value || 0,
format : params.right.format || '%d',
},
}
function getRotationNorm(value) {
if (value < self.config.min)
return 0;
if (value > self.config.max)
return 1;
return (value - self.config.min) / (self.config.max - self.config.min);
}
self.leftRotationNorm = ko.pureComputed(function() {
return getRotationNorm(ko.utils.unwrapObservable(self.config.left.value));
});
self.rightRotationNorm = ko.pureComputed(function() {
return getRotationNorm(ko.utils.unwrapObservable(self.config.right.value));
});
self.leftText = ko.pureComputed(function() {
return sprintf.sprintf(self.config.left.format, ko.utils.unwrapObservable(self.config.left.value));
});
self.rightText = ko.pureComputed(function() {
return sprintf.sprintf(self.config.right.format, ko.utils.unwrapObservable(self.config.right.value));
});
self.label = self.config.label;
self.markers = [];
self.ticks = [];
self.arcs = [];
for ( var pos in params.marker) {
var m = params.marker[pos];
self.markers.push( new Marker( pos, getRotationNorm(Number(pos)), m) );
}
for ( var pos in params.ticks) {
var t = params.ticks[pos];
self.ticks.push( new Tick( t.width || 1, getRotationNorm(Number(pos)), t.color || 'white' ) );
}
if( params.arcs ) params.arcs.forEach(function(arc) {
var end = arc.end || arc.start;
self.arcs.push( new Arc(arc.color,getRotationNorm(Number(arc.start)),getRotationNorm(Number(end))));
});
}
// Return component definition
return {
viewModel : ViewModel,
template : svgString
};
});
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