kopia lustrzana https://github.com/cyoung/stratux
254 wiersze
8.7 KiB
JavaScript
254 wiersze
8.7 KiB
JavaScript
function AHRSRenderer(locationId) {
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this.width = -1;
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this.height = -1;
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this.locationId = locationId;
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this.canvas = document.getElementById(locationId);
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this.resize();
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// State variables
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this.pitch = 0;
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this.roll = 0;
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this.heading = 0;
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this.slipSkid = 0;
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this.altitude = 0;
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var display = SVG(locationId).viewbox(-200, -200, 400, 400).group();
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this.ai = display.group().addClass('ai');
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var defs = this.ai.defs(),
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earthClip = defs.rect(2400, 1200).x(-1200).y(0),
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screenClip = defs.rect(400, 400).cx(0).cy(0);
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this.pitchClip = defs.circle(320).cx(0).cy(0);
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this.rollClip = defs.polygon('0,0 -200,-200 200,-200');
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this.ai = this.ai.clipWith(screenClip).group();
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// card is the earth+sky+pitch marks, moves with both pitch and roll.
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this.card = this.ai.group();
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this.card.circle(2400).cx(0).cy(0).addClass('sky'); // Sky
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this.card.line(-1200, 0, 1200, 0).addClass('marks'); // Horizon line
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this.card.circle(2400).cx(0).cy(0).addClass('earth').clipWith(earthClip); // Earth
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var pitchMarks = this.card.group().addClass('marks').clipWith(this.pitchClip);
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for (i = -1050; i <= 1050; i+=25) {
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switch (i%100) {
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case 0:
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pitchMarks.line(-40, i, 40, i);
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if (i !== 0) {
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pitchMarks.text(Math.abs(i) <= 900 ? Math.abs(i / 10).toString() : '80').x(-55).cy(i).addClass('markText');
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pitchMarks.text(Math.abs(i) <= 900 ? Math.abs(i / 10).toString() : '80').x(+55).cy(i).addClass('markText');
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}
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break;
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case 50:
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pitchMarks.line(-20, i, 20, i);
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break;
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default:
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pitchMarks.line(-10, i, 10, i);
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}
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}
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this.rollMarks = this.ai.group().addClass('marks').clipWith(this.rollClip);
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for (i=-180; i<180; i+=10) {
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if (i === 0) {
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this.rollMarks.polygon('-10,-189 0,-175 10,-189').style('stroke-width', 0);
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}
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else if (i % 30 === 0) {
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this.rollMarks.line(0, -175, 0, -195).rotate(i, 0, 0);
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} else {
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this.rollMarks.line(0, -175, 0, -189).rotate(i, 0, 0);
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}
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}
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var rollPointer = this.ai.group().addClass('marks');
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rollPointer.polygon('-10,-160 0,-174 10,-160').style('stroke-width', 0);
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rollPointer.polygon('-10,+160 0,+174 10,+160').style('stroke-width', 0);
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this.skidBar = this.ai.rect(20, 6).cx(0).y(-158).style('stroke-width', 0).addClass('marks');
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var pointer = this.ai.group().addClass('pointer');
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pointer.polygon('-150,-3 -78,-3 -75,0 -78,3 -150,3');
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pointer.polygon('+150,-3 +78,-3 +75,0 +78,3 +150,3');
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pointer.polygon('-75,25 0,0 75,25 25,25 25,20 -25,20 -25,25').addClass('pointerBG');
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pointer.polygon('-75,25 0,0 75,25 0,10');
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pointer.line(0, 0, 0, 10);
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this.headingMarks = this.ai.group().addClass('marks');
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for (i=-200; i<=920; i+=20) {
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if (i%60 === 0) {
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this.headingMarks.line(i, 175, i, 178);
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this.headingMarks.text(((i<0 ? (i/2+360) : i/2)%360).toString()).x(i).cy(185).addClass('markText');
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this.headingMarks.line(i, 192, i, 195);
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} else {
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this.headingMarks.line(i, 175, i, 195).style('stroke-width', 1);
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}
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}
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this.err = display.group().addClass('error').group();
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this.err.rect(400, 400).cx(0).cy(0);
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this.err.line(-200, -200, 200, +200);
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this.err.line(-200, +200, 200, -200);
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this.errText = this.err.text("").cx(0).cy(0).addClass('errText');
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var tb = this.errText.bbox();
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this.errTextBg = this.err.rect(tb.x, tb.y, tb.w, tb.h).stroke({'width': 1}).after(this.errText);
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}
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AHRSRenderer.prototype = {
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constructor: AHRSRenderer,
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resize: function () {
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var canvasWidth = this.canvas.parentElement.offsetWidth - 12;
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if (canvasWidth !== this.width) {
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this.width = canvasWidth;
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this.height = canvasWidth * 0.5;
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this.canvas.width = this.width;
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this.canvas.height = this.height;
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}
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},
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update: function (pitch, roll, heading, slipSkid) {
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this.pitch = pitch;
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this.roll = roll;
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this.heading = heading;
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this.slipSkid = slipSkid;
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if (this.slipSkid < -10) {
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this.slipSkid = -10;
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} else if (this.slipSkid > 10) {
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this.slipSkid = +10;
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}
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this.pitchClip.translate(0, -10 * this.pitch);
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this.rollClip.rotate(this.roll, 0, 0);
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this.card.rotate(0, 0, 0).translate(0, 10 * this.pitch);
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this.card.rotate(-this.roll, 0, -10 * this.pitch);
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this.rollMarks.rotate(-this.roll, 0, 0);
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this.headingMarks.translate(-2 * (this.heading % 360), 0);
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this.skidBar.translate(-2 * this.slipSkid, 0);
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},
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turn_on: function() {
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this.err.hide();
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this.ai.show();
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this.errText.clear();
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},
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turn_off: function(message) {
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this.errText.text(message).center(0, 0);
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var tb = this.errText.bbox();
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this.errTextBg.attr({'x': tb.x, 'y': tb.y, 'width': tb.w, 'height': tb.h});
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this.ai.hide();
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this.err.show();
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}
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};
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function GMeterRenderer(locationId, plim, nlim) {
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this.plim = plim;
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this.nlim = nlim;
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this.nticks = Math.floor(plim+1) - Math.floor(nlim) + 1;
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this.width = -1;
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this.height = -1;
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this.locationId = locationId;
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this.canvas = document.getElementById(locationId);
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this.resize();
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// State variables
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this.g = 1;
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this.min = 1;
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this.max = 1;
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// Draw the G Meter using the svg.js library
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var gMeter = SVG(locationId).viewbox(-200, -200, 400, 400).group().addClass('gMeter');
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var el, card = gMeter.group().addClass('card');
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card.circle(390).cx(0).cy(0);
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card.line(-150, 0, -190, 0)
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.addClass('marks one');
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for (i=Math.floor(nlim); i<=Math.floor(plim+1); i++) {
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if (i%2 === 0) {
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el = card.line(-150, 0, -190, 0).addClass('big');
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card.text(i.toString())
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.addClass('text')
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.cx(-105).cy(0)
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.transform({ rotation: (i-1)/this.nticks*360, cx: 0, cy: 0, relative: true })
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.transform({ rotation: -(i-1)/this.nticks*360, relative: true });
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} else {
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el = card.line(-165, 0, -190, 0);
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}
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el.addClass('marks')
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.rotate((i-1)/this.nticks*360, 0, 0);
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}
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card.line(-140, 0, -190, 0).addClass('marks limit').rotate((plim-1)/this.nticks*360, 0, 0);
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card.line(-140, 0, -190, 0).addClass('marks limit').rotate((nlim-1)/this.nticks*360, 0, 0);
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var ax = -Math.cos(2*Math.PI/this.nticks),
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ay = -Math.sin(2*Math.PI/this.nticks);
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card.path('M -170 0, A 170 170 0 0 1 ' + 170*ax + ' ' + 170*ay)
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.rotate(-Math.floor(plim)/this.nticks*360, 0, 0)
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.addClass('marks')
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.style('fill-opacity', '0');
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card.path('M -175 0, A 175 175 0 0 1 ' + 175*ax + ' ' + 175*ay)
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.rotate(-Math.floor(plim)/this.nticks*360, 0, 0)
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.addClass('marks')
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.style('fill-opacity', '0');
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this.min_el = gMeter.group().addClass('min');
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this.min_el.polygon('0,0 -170,0 -160,-5 0,-5').addClass('pointer');
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this.min_el.polygon('0,0 -170,0 -160,+5 0,+5').addClass('pointerBG');
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this.pointer_el = gMeter.group().addClass('g');
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this.pointer_el.polygon('0,0 -170,0 -150,-10 0,-10').addClass('pointer');
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this.pointer_el.polygon('0,0 -170,0 -150,+10 0,+10').addClass('pointerBG');
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this.max_el = gMeter.group().addClass('max');
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this.max_el.polygon('0,0 -170,0 -150,-5 0,-5').addClass('pointer');
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this.max_el.polygon('0,0 -170,0 -150,+5 0,+5').addClass('pointerBG');
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gMeter.circle(40).cx(0).cy(0).addClass('center');
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var reset = gMeter.group().cx(-165).cy(165).addClass('reset');
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reset.circle(60).cx(0).cy(0).addClass('reset');
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reset.text('RESET').cx(0).cy(0).addClass('text');
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reset.on('click', function() {
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reset.animate(200).rotate(20, 0, 0);
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this.reset();
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reset.animate(200).rotate(0, 0, 0);
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}, this);
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}
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GMeterRenderer.prototype = {
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constructor: GMeterRenderer,
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resize: function () {
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var canvasWidth = this.canvas.parentElement.offsetWidth - 12;
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if (canvasWidth !== this.width) {
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this.width = canvasWidth;
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this.height = canvasWidth * 0.5;
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this.canvas.width = this.width;
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this.canvas.height = this.height;
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}
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},
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update: function (g) {
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this.g = g;
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this.max = g > this.max ? g : this.max;
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this.min = g < this.min ? g : this.min;
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this.pointer_el.animate(50).rotate((g-1)/this.nticks*360, 0, 0);
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this.max_el.animate(50).rotate((this.max-1)/this.nticks*360, 0, 0);
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this.min_el.animate(50).rotate((this.min-1)/this.nticks*360, 0, 0);
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},
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reset: function() {
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this.g = 1;
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this.max = 1;
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this.min = 1;
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}
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};
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