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atcsimAuto.js
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innerPercentage = 0.15 // how far from the middle of the screen (the airport) do we want our waypoints?
outerPercentage = 0.1 // how far from the outside edge of the screen do we want our waypoints?
planesAtOnce = 10 // minimum number of planes on screen to maintain at any given time
simulationStepTime = 50 // time in ms between each simulation step. Default is 1000
incomingSpacing = 150 // target spacing between planes on approach
minLandingSpacing = 30 // what's the minimum spacing between us and the plane in front, on final approach after landing clearance?
takingOffPlaneSpeed = 130 // once the plane taking off in front has reached this speed, tell the next plane to start taking off
spacingPrecision = 25 // allowable deviation between the approach spacing
spacingSteps = 100 // number of steps on each leg to evaluate the spacing computation
waypointPrecision = 50 // how far away from each waypoint should we consider the plane to have arrived?
maxLandingAttempts = 50 // how many times should we try to land before we give up and put the plane back in sequence?
initialClearanceAltitude = 10 // altitude to expedite climb after takeoff, in thousands of feet
finalClearanceAltitude = 20 // final altitude for departing aircraft to climb to, in thousands of feet
abortAltitude = 12 // how high to climb in abort?
conflictCoolDownTime = 5 // time in seconds to disallow normal altitude or heading commands after a conflict
numAltitudeSteps = 6 // number of discrete altitude steps on the approach path
minLandingGap = 165 // how far away does the nearest plane on final have to be, in order to allow a takeoff from that runway?
if (document.title == 'Atlanta Hartsfield-Jackson Intl.') {
runwayNE = '8R'
runwaySE = '9L'
runwayNW = '26L'
runwaySW = '27R'
// runwayNE = '8L'
// runwaySE = '9R'
// runwayNW = '26R'
// runwaySW = '27L'
} else if (document.title == 'Chicago O\'Hare Intl.') {
runwayNE = '9L'
runwaySE = '10R'
runwayNW = '27R'
runwaySW = '28L'
} else if (document.title == 'Phoenix AZ (USA) Sky Harbor Intl.') {
runwayNE = '8'
runwaySE = '7R'
runwayNW = '26'
runwaySW = '25L'
} else if (document.title == 'Kobe Airport') {
runwayNE = '9'
runwaySE = '9'
runwayNW = '27'
runwaySW = '27'
} else if (document.title == 'London Heathrow') {
runwayNE = '9L'
runwaySE = '9L'
runwayNW = '27R'
runwaySW = '27R'
} else if (document.title == 'Osaka Kansai Intl.') {
runwayNE = '6L'
runwaySE = '6R'
runwayNW = '24R'
runwaySW = '24L'
finalOffset = 250
} else if (document.title == 'Dubai (United Arab Emirates) Intl.') {
runwayNE = '12L'
runwaySE = '12R'
runwayNW = '30R'
runwaySW = '30L'
finalOffset = -200
} else if (document.title == 'Rio de Janeiro RJ (Brazil) Galeao Intl.') {
runwayNE = '10'
runwaySE = '15'
runwayNW = '28'
runwaySW = '33'
finalOffset = -250
} else if (document.title == 'St. Louis MO (USA) Lambert Intl.') {
runwayNE = '11'
runwaySE = '6'
runwayNW = '24'
runwaySW = '30R'
}
function dynamicallyLoadScript(url) {
let script = document.createElement("script"); // Make a script DOM node
script.src = url; // Set its src to the provided URL
document.head.appendChild(script); // Add it to the end of the head section of the page (could change 'head' to 'body' to add it to the end of the body section instead)
}
if (window.d3 == undefined) {
dynamicallyLoadScript('https://d3js.org/d3.v4.min.js')
dynamicallyLoadScript('https://d3js.org/d3-scale.v1.min.js')
}
try { clearInterval(addPlaneInterval) } catch (err) {}
try { clearInterval(flowInterval) } catch (err) {}
try { clearInterval(conflictInterval) } catch (err) {}
try { clearInterval(departureInterval) } catch (err) {}
try { clearInterval(spaceInterval) } catch (err) {}
try { clearInterval(updateInterval) } catch (err) {}
try { clearInterval(intervalID); intervalID=null } catch (err) {}
highlightLines = []
highlightPoints = []
northDownwindMaxAlt = 0
southDownwindMaxAlt = 0
northQueue = []
southQueue = []
navcoords = {}
runwayQueues = {}
eastFlow = intWind < 180
waypointIndexes = [-1, -1, -1, -1]
calcLines = function() {
highlightLines = []
// first, reset the number of planes in sequence
let planes = Object.keys(G_objPlanes)
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
if (p.leg == 'approach' && p.north) {
northQueue.push(plane)
} else if (p.leg == 'approach' && !p.north) {
southQueue.push(plane)
}
})
runN = eastFlow ? runwayNE : runwayNW
runS = eastFlow ? runwaySE : runwaySW
runNreciprocal = !eastFlow ? runwayNE : runwayNW
runSreciprocal = !eastFlow ? runwaySE : runwaySW
let panelWidth = document.getElementsByClassName('controlpanel')[0].clientWidth
minX = 0
maxX = window.innerWidth - panelWidth
lineX = maxX / 2
midY = window.innerHeight / 2
northY = midY * (1 - innerPercentage)
southY = midY * (1 + innerPercentage)
maxY = window.innerHeight
minY = 0
// approach path vertices. list of norths first, then souths
Xvertices = [
[
lineX,
eastFlow?(1-outerPercentage)*maxX:outerPercentage*maxX,
eastFlow?(1-outerPercentage)*maxX:outerPercentage*maxX,
eastFlow?outerPercentage*maxX:(1-outerPercentage)*maxX,
eastFlow?outerPercentage*maxX:(1-outerPercentage)*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
lineX,
eastFlow?(1-2*outerPercentage)*maxX:2*outerPercentage*maxX,
eastFlow?(1-2*outerPercentage)*maxX:2*outerPercentage*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
lineX,
eastFlow?(1-3*outerPercentage)*maxX:3*outerPercentage*maxX,
],
[
lineX,
eastFlow?(1-outerPercentage)*maxX:outerPercentage*maxX,
eastFlow?(1-outerPercentage)*maxX:outerPercentage*maxX,
eastFlow?outerPercentage*maxX:(1-outerPercentage)*maxX,
eastFlow?outerPercentage*maxX:(1-outerPercentage)*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
lineX,
eastFlow?(1-2*outerPercentage)*maxX:2*outerPercentage*maxX,
eastFlow?(1-2*outerPercentage)*maxX:2*outerPercentage*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
eastFlow?2*outerPercentage*maxX:(1-2*outerPercentage)*maxX,
lineX,
eastFlow?(1-3*outerPercentage)*maxX:3*outerPercentage*maxX,
]
]
Yvertices = [
[
northY,
northY,
outerPercentage*maxY,
outerPercentage*maxY,
northY,
northY,
(northY*3+outerPercentage*maxY)/4,
(northY*3+outerPercentage*maxY)/4,
(northY+outerPercentage*maxY*3)/4,
(northY+outerPercentage*maxY*3)/4,
(northY*3+outerPercentage*maxY)/4,
(northY+outerPercentage*maxY)/2,
(northY+outerPercentage*maxY)/2,
],
[
southY,
southY,
(1-outerPercentage)*maxY,
(1-outerPercentage)*maxY,
southY,
southY,
((1-outerPercentage)*maxY+southY*3)/4,
((1-outerPercentage)*maxY+southY*3)/4,
((1-outerPercentage)*maxY*3+southY)/4,
((1-outerPercentage)*maxY*3+southY)/4,
((1-outerPercentage)*maxY+southY*3)/4,
((1-outerPercentage)*maxY+southY)/2,
((1-outerPercentage)*maxY+southY)/2,
]
]
waypointList = [
['NDWND', 2, eastFlow?lineX/2:lineX*1.5, northY+(eastFlow?1:-1)*(window.finalOffset!=undefined?finalOffset:0)],
['SDWND', 2, eastFlow?lineX/2:lineX*1.5, southY+(eastFlow?1:-1)*(window.finalOffset!=undefined?finalOffset:0)],
['ABORT', 2, eastFlow?(1-outerPercentage)*maxX:outerPercentage*maxX, midY],
['FINAL', 2, lineX, midY],
]
// find the indexes, if we haven't already
for (let i=0; i<waypointList.length; i++) {
if (waypointIndexes[i] == -1) {
for (let j=0; j<G_arrNavObjects.length; j++) {
if (G_arrNavObjects[j][0] == waypointList[i][0]) {
waypointIndexes[i] = j
break
}
}
}
}
for (let i=0; i<waypointList.length; i++) {
if (waypointIndexes[i] == -1) {
waypointIndexes[i] = G_arrNavObjects.push(waypointList[i]) - 1
} else {
G_arrNavObjects[waypointIndexes[i]] = waypointList[i]
}
}
// for (let i=1; i<Xvertices[0].length; i++) {
// highlightLines.push({
// x1: Xvertices[0][i-1],
// y1: Yvertices[0][i-1],
// x2: Xvertices[0][i],
// y2: Yvertices[0][i],
// stroke: 'black',
// timeCreated: 2509654423636,
// id: Math.random()
// })
// highlightLines.push({
// x1: Xvertices[1][i-1],
// y1: Yvertices[1][i-1],
// x2: Xvertices[1][i],
// y2: Yvertices[1][i],
// stroke: 'black',
// timeCreated: 2509654423636,
// id: Math.random()
// })
// }
}
calcLines()
routePlane = function(routing) {
// console.log(routing)
document.getElementsByName('txtClearance')[0].value = routing
fnParseInput()
}
checkFlow = function() {
if ((!eastFlow && intWind<150 && intWind>30) || (eastFlow && intWind>210 && intWind<330)) {
eastFlow = !eastFlow
calcLines()
// northQueue.reverse()
// southQueue.reverse()
// reset the last spacing steps, so they can be re-routed as needed
let planes = Object.keys(G_objPlanes)
planes.forEach(function(plane) {
G_objPlanes[plane].lastLeg = 999999999
G_objPlanes[plane].lastSpacingStep = 999999999
})
}
}
setWaypoint = function(plane, x, y, deconflict=true) {
let p = G_objPlanes[plane]
if (!p.conflictCoolDown>0 || deconflict) { // if we're in conflict, only allow an altitude change from the de-conflictizer
if (!!p.waypoint) {
p.waypoint[2] = x
p.waypoint[3] = y
} else {
for (let i=0; i<G_arrNavObjects.length; i++) {
if (G_arrNavObjects[i][0] == plane) {
G_arrNavObjects[i] = [plane, 2, x, y]
p.waypoint = G_arrNavObjects[i]
break
}
}
if (!p.waypoint) {
let temp = G_arrNavObjects.push([plane, 2, x, y])
p.waypoint = G_arrNavObjects[temp-1]
}
}
if (p[11] != plane) {
routePlane(plane + ' c ' + plane)
}
}
}
setHeading = function(plane, heading, deconflict=true) {
let p = G_objPlanes[plane]
heading = Math.round(heading)
if (!p.conflictCoolDown>0 || deconflict) { // if we're in conflict, only allow an altitude change from the de-conflictizer
if (Math.abs(p[8]-heading) > 1) {
routePlane(plane + ' c ' + ('000' + heading).substr(-3, 3))
}
}
}
setAltitude = function(plane, alt, expedite=false, deconflict=false) {
let p = G_objPlanes[plane]
if (!p.conflictCoolDown>0 || deconflict) { // if we're in conflict, only allow an altitude change from the de-conflictizer
if (p[9] != alt*1000) {
routePlane(plane + ' c ' + alt + (expedite?' x':''))
}
}
}
setSpeed = function(plane, speed) {
let p = G_objPlanes[plane]
if (p[10] != speed) {
routePlane(plane + ' s ' + speed)
}
}
setNav = function(plane, nav, direction='') {
let p = G_objPlanes[plane]
if (p[11] != nav) {
routePlane(plane + ' c ' + nav + ' ' + direction)
}
}
checkDepartures = function() {
let planes = Object.keys(G_objPlanes)
let waitingPlane = ''
let takingOffPlane = ''
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
if (p.leg == 'takingOff') {
takingOffPlane = plane
}
if (p.leg == 'waiting') {
waitingPlane = plane
}
})
// if the taking off plane is above the ground, then set him on initial climb
if (takingOffPlane) {
let p = G_objPlanes[takingOffPlane]
if (p[4] > intFieldElev) {
p.leg = 'initialClimb'
takingOffPlane = ''
}
}
// if there's no plane currently taking off
if ((!takingOffPlane || G_objPlanes[takingOffPlane][6]>takingOffPlaneSpeed)&& !!waitingPlane) {
takingOffPlane = waitingPlane
waitingPlane = ''
let p = G_objPlanes[takingOffPlane]
p.leg = 'takingOff'
routePlane(takingOffPlane + ' t')
}
// if nobody's waiting, then send one to line up and wait
if (!waitingPlane && (!takingOffPlane || G_objPlanes[takingOffPlane][6]>10)) {
for (let i=0; i<planes.length; i++) {
let p = G_objPlanes[planes[i]]
if(!p.leg && !p['runway'] && p[16] == 'D') {
// only allow the takeoff if we have a gap in the landing planes
let runway = G_arrNavObjects[p[12]][0]
let runwayLR = runway[runway.length - 1]
let recip = ''
if (runwayLR == 'L') {
runwayLR = 'R'
recip = +runway.substring(0, runway.length-1)
} else if (runwayLR == 'R') {
runwayLR = 'L'
recip = +runway.substring(0, runway.length-1)
} else {
runwayLR = ''
recip = +runway
}
recip = (recip+18) + runwayLR
if (!runwayQueues[runway] || runwayQueues[runway].length==0 || runwayQueues[runway][0].dist > minLandingGap) {
if (!runwayQueues[recip] || runwayQueues[recip].length==0 || runwayQueues[recip][0].dist > minLandingGap*2) {
p.leg = 'waiting'
p.takeoffHeading = eastFlow?'090':'270'
routePlane(planes[i] + ' c 24 c ' + p.takeoffHeading + ' w')
break
}
}
}
}
}
}
deConflict = function() {
let d = new Date()
let t = d.getTime()
// pull out the list of planes in conflict and stagger them
conflicts = []
let planes = Object.keys(G_objPlanes)
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
if (p[18]) {
conflicts.push(plane)
p.conflictCoolDown = conflictCoolDownTime
} else if (p.conflictCoolDown > 0) {
p.conflictCoolDown -= 1
}
})
conflicts.forEach(function(me) {
highlightPoints.push({id:Math.random(), fill:'red', x:G_objPlanes[me][2]+24, y:G_objPlanes[me][3]+62, r:7, timeCreated:t})
for (let i=0; i<conflicts.length; i++) {
let other = conflicts[i]
if (other != me) {
p1 = G_objPlanes[me]
p2 = G_objPlanes[other]
if ((Math.sqrt(Math.pow(p1[2]-p2[2], 2) + Math.pow(p1[3]-p2[3], 2)) < 75) && (Math.abs(p1[4]-p2[4]) < 1200)) {
// first, turn away from the other guy
let xdelta = p1[2] - p2[2]
let ydelta = p1[3] - p2[3]
xdelta = xdelta / Math.sqrt(Math.pow(xdelta,2) + Math.pow(ydelta,2)) * 100
ydelta = ydelta / Math.sqrt(Math.pow(xdelta,2) + Math.pow(ydelta,2)) * 100
// setWaypoint(me, p1[2]+24+xdelta, p1[3]+62+ydelta, true)
// second, move vertically away from the other guy
if(p1[4] < p2[4]) {
setAltitude(me, Math.floor((p1[4]-1)/1000), true, true)
setAltitude(other, Math.ceil((p2[4]+1)/1000), true, true)
} else {
setAltitude(me, Math.ceil((p1[4]+1)/1000), true, true)
setAltitude(other, Math.floor((p2[4]-1)/1000), true, true)
}
}
}
}
})
}
spacePlanes = function() {
let planes = Object.keys(G_objPlanes)
let planeIsRolling = false
let planeIsWaiting = false
// first, check if we've lost any planes (accidentally flew off screen)
for (let i=0; i<northQueue.length; i++) {
if (planes.indexOf(northQueue[i]) == -1) {
northQueue.splice(i, 1)
}
}
for (let i=0; i<southQueue.length; i++) {
if (planes.indexOf(southQueue[i]) == -1) {
southQueue.splice(i, 1)
}
}
// make sure there aren't any duplicates in the queues...
let i = 1
while (i < northQueue.length) {
if (northQueue[i] == northQueue[i-1]) {
northQueue.splice(i, 1)
} else {
i += 1
}
}
i = 1
while (i < southQueue.length) {
if (southQueue[i] == southQueue[i-1]) {
southQueue.splice(i, 1)
} else {
i += 1
}
}
if (northQueue.length>0 && G_objPlanes[northQueue[0]].leg != 'approach') {
northQueue.splice(0, 1)
}
if (southQueue.length>0 && G_objPlanes[southQueue[0]].leg != 'approach') {
southQueue.splice(0, 1)
}
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
let d = new Date()
let t = d.getTime()
if (highlightPoints.length>0 && t - highlightPoints[0].timeCreated > 5*1000) {
highlightPoints.splice(0,1)
}
if (highlightLines.length>0 && t - highlightLines[0].timeCreated > 5*1000) {
highlightLines.splice(0,1)
}
if (p.leg == 'approach') {
let sequence = p.north ? northQueue.indexOf(plane) : southQueue.indexOf(plane)
let desiredPathLength = 0
let numPointsAhead = 0
p.sequence = sequence
// take out our gap if our gapped plane has taken off
if (!G_objPlanes[p.gap] || G_objPlanes[p.gap][4] > intFieldElev) {
p.gap = false
}
// first find the length of the downwind leg
if (sequence == 0) {
let dist = Math.sqrt(Math.pow(Xvertices[p.north?0:1][0]-(p[2]+24), 2) + Math.pow(Yvertices[p.north?0:1][0]-(p[3]+62), 2))
if (dist < waypointPrecision) {
p.leg = 'downwind'
p.runway = p.north ? runN : runS
setNav(plane, (p.north?'NDWND':'SDWND'))
if (p.north) {
northQueue.splice(0, 1)
} else {
southQueue.splice(0, 1)
}
}
desiredPathLength = dist
} else {
p.alt = ((p.north?G_objPlanes[northQueue[sequence-1]].alt:G_objPlanes[southQueue[sequence-1]].alt) + 1) % numAltitudeSteps
desiredPathLength = incomingSpacing*(p.gap?2:1) + (p.north?G_objPlanes[northQueue[sequence-1]].desiredPathLength:G_objPlanes[southQueue[sequence-1]].desiredPathLength)
let minDist1 = 9999999
let minDist2 = 9999999
if (p.lastLeg != undefined) {
// first the current leg
let Xstep = (Xvertices[p.north?0:1][p.lastLeg+1] - Xvertices[p.north?0:1][p.lastLeg]) / spacingSteps
let Ystep = (Yvertices[p.north?0:1][p.lastLeg+1] - Yvertices[p.north?0:1][p.lastLeg]) / spacingSteps
for (let i=0; i<spacingSteps; i++) {
let xi = Xvertices[p.north?0:1][p.lastLeg] + Xstep*i
let yi = Yvertices[p.north?0:1][p.lastLeg] + Ystep*i
let dist = Math.sqrt(Math.pow(xi-(p[2]+24), 2) + Math.pow(yi-(p[3]+63), 2))
if (dist > minDist1) {
break
}
minDist1 = dist
}
// then the previous leg
Xstep = (Xvertices[p.north?0:1][p.lastLeg+1+1] - Xvertices[p.north?0:1][p.lastLeg+1]) / spacingSteps
Ystep = (Yvertices[p.north?0:1][p.lastLeg+1+1] - Yvertices[p.north?0:1][p.lastLeg+1]) / spacingSteps
for (let i=0; i<spacingSteps; i++) {
let xi = Xvertices[p.north?0:1][p.lastLeg+1] + Xstep*i
let yi = Yvertices[p.north?0:1][p.lastLeg+1] + Ystep*i
let dist = Math.sqrt(Math.pow(xi-(p[2]+24), 2) + Math.pow(yi-(p[3]+63), 2))
if (dist > minDist2) {
break
}
minDist2 = dist
}
let minDist = Math.min(minDist1, minDist2)
if (minDist < 100) {
numPointsAhead = Math.max(Math.floor((90-minDist) / 5), 0)
p.onCourse = true
}
p.minDist = minDist
}
}
let xp = p[2] + 24 // plane X
let yp = p[3] + 62 // plane Y
let diff = 0
let prevDiff = 9999999
let xi = 0 // intersection X
let yi = 0 // intersection Y
let dist0 = 0 // sum of previous legs
let dist1 = 0 // distance along current leg
let dist2 = 0 // distance from intersection to plane
let leg = 0 // which leg are we on
let spacingStep = 0 // which spacing step are we on
let Xstep = 0
let Ystep = 0
let pathLength = 0
for (leg=0; leg<Xvertices[p.north?0:1].length-1; leg++) {
Xstep = (Xvertices[p.north?0:1][leg+1] - Xvertices[p.north?0:1][leg]) / spacingSteps
Ystep = (Yvertices[p.north?0:1][leg+1] - Yvertices[p.north?0:1][leg]) / spacingSteps
for (spacingStep=0; spacingStep<spacingSteps; spacingStep++) {
xi = Xvertices[p.north?0:1][leg] + Xstep*spacingStep
yi = Yvertices[p.north?0:1][leg] + Ystep*spacingStep
dist1 = Math.sqrt(Math.pow(Xvertices[p.north?0:1][leg]-xi, 2) + Math.pow(Yvertices[p.north?0:1][leg]-yi, 2))
dist2 = Math.sqrt(Math.pow(xi-xp, 2) + Math.pow(yi-yp, 2))
pathLength = dist0 + dist1 + dist2
diff = pathLength - desiredPathLength
if (Math.abs(diff) > Math.abs(prevDiff)) { // if we've found a path long enough, but also don't make the path longer than it already is, to prevent planes backtracking (unless we need to go more than 500 units longer)
break
}
prevDiff = diff
}
// if we get here, we've either gotten to the end of the current leg or we've found the correct length
if (Math.abs(diff) > Math.abs(prevDiff)) { // if we've found the correct length
break
} else {
dist0 += Math.sqrt(Math.pow(Xvertices[p.north?0:1][leg]-Xvertices[p.north?0:1][leg+1], 2) + Math.pow(Yvertices[p.north?0:1][leg]-Yvertices[p.north?0:1][leg+1], 2))
}
}
// if we want to make the path longer, only allow it if it's within 30 degrees of where we're already supposed to be pointing
if (leg >= p.lastLeg && spacingStep > p.lastSpacingStep) { // if we're trying to lengthen the path
let theta = (Math.atan2(xi-xp, yp-yi) * 180 / Math.PI + 360) % 360
let d = new Date()
if ((p[5]-theta)%360 > 30 && (p[5]-theta)%360 < 330) { // if the angle is greater than 30 degrees from before
// then set the point back to where it was
leg = p.lastLeg
spacingStep = p.lastSpacingStep
// console.log('rejected', p[5], Math.round(theta), plane, leg, p.lastLeg, spacingStep, p.lastSpacingStep)
highlightPoints.push({id:Math.random(), fill:'black', x:xp, y:yp, r:7, timeCreated:d.getTime()})
highlightPoints.push({id:Math.random(), fill:'red', x:xi, y:yi, r:7, timeCreated:d.getTime()})
highlightPoints.push({id:Math.random(), fill:'blue', x:p.lastXi, y:p.lastYi, r:7, timeCreated:d.getTime()})
highlightLines.push({id:Math.random(), x1:xp, y1:yp, x2:xi, y2:yi, timeCreated:d.getTime(), stroke:'red'})
highlightLines.push({id:Math.random(), x1:xp, y1:yp, x2:p.lastXi, y2:p.lastYi, timeCreated:d.getTime(), stroke:'blue'})
xi = p.lastXi
yi = p.lastYi
dist0 = p.dist0
dist1 = p.dist1
dist2 = Math.sqrt(Math.pow(xi-xp, 2) + Math.pow(yi-yp, 2))
pathLength = dist0 + dist1 + dist2
diff = pathLength - desiredPathLength
} else {
// console.log('accepted', p[5], theta, plane, leg, p.lastLeg, spacingStep, p.lastSpacingStep)
highlightPoints.push({id:Math.random(), fill:'green', x:xp, y:yp, r:5, timeCreated:d.getTime()})
highlightPoints.push({id:Math.random(), fill:'green', x:xi, y:yi, r:5, timeCreated:d.getTime()})
highlightPoints.push({id:Math.random(), fill:'green', x:p.lastXi, y:p.lastYi, r:5, timeCreated:d.getTime()})
highlightLines.push({id:Math.random(), x1:xp, y1:yp, x2:xi, y2:yi, timeCreated:d.getTime(), stroke:'black'})
highlightLines.push({id:Math.random(), x1:xp, y1:yp, x2:p.lastXi, y2:p.lastYi, timeCreated:d.getTime(), stroke:'black'})
}
}
p.lastXi = xi
p.lastYi = yi
p.lastLeg = leg
p.lastSpacingStep = spacingStep
spacingStep -= numPointsAhead
if (spacingStep < 0) { // go around a corner if we need to
leg = leg - 1
if (leg < 0) {
leg = 0
spacingStep = 0
} else {
spacingStep += spacingSteps
}
Xstep = (Xvertices[p.north?0:1][leg+1] - Xvertices[p.north?0:1][leg]) / spacingSteps
Ystep = (Yvertices[p.north?0:1][leg+1] - Yvertices[p.north?0:1][leg]) / spacingSteps
}
xi = Xvertices[p.north?0:1][leg] + Xstep*spacingStep
yi = Yvertices[p.north?0:1][leg] + Ystep*spacingStep
p.xi = xi
p.yi = yi
p.theta = (Math.atan2(xi-xp, yp-yi) * 180 / Math.PI + 360) % 360
setHeading(plane, p.theta)
// setWaypoint(plane, xi, yi)
if (p.north) {
previousNorthPathLength = pathLength
} else {
previousSouthPathLength = pathLength
}
// store data with the plane
p.diff = diff
p.dist0 = dist0
p.dist1 = dist1
p.dist2 = dist2
p.pathLength = pathLength
p.desiredPathLength = desiredPathLength
// adjust the incoming speeds for spacing
if (diff > spacingPrecision) {
setSpeed(plane, 240)
} else if (diff < -spacingPrecision) {
setSpeed(plane, 160)
} else {
setSpeed(plane, 240)
}
// stagger the altitudes
setAltitude(plane, p.alt+6+(p.onCourse?0:numAltitudeSteps), !p.onCourse)
} else if (p.leg == 'downwind') {
setNav(plane, p.north?'NDWND':'SDWND')
// take out our gap if our gapped plane has taken off
if (!G_objPlanes[p.gap] || G_objPlanes[p.gap][4] > intFieldElev) {
p.gap = false
}
if (p[2]+24 < lineX/2 || p[2]+24 > lineX*1.5) {
p.leg = 'final'
}
} else if (p.leg == 'final') {
setAltitude(plane, 2)
setNav(plane, 'FINAL')
// if we've finished our turn and haven't started our final descent yet, then rey to land
if (p[5]==p[8]) {
p.leg = 'landing'
p.landingAttempts = 0
}
} else if (p.leg == 'takingOff') {
if (p[4] > intFieldElev) {
p.leg = 'initialClimb'
}
} else if (p.leg == 'initialClimb') {
setAltitude(plane, finalClearanceAltitude, true)
setNav(plane, 'ABORT')
setSpeed(plane, 240)
// if we're climbing and have reached clearance altitude, give final climb and waypoint clearance
if (p[4] >= initialClearanceAltitude*1000) {
p.leg = 'departure'
}
} else if (p.leg == 'departure') {
setSpeed(plane, 240)
setAltitude(plane, finalClearanceAltitude)
setNav(plane, G_arrNavObjects[p[13]][0])
} else if (p.leg == 'abort') {
if (p[9] == intFieldElev) {
routePlane(plane + ' a')
}
setHeading(plane, eastFlow?(p.north?'105':'075'):(p.north?'255':'285'))
setSpeed(plane, 240)
setAltitude(plane, abortAltitude + 5, true)
if (p[4] >= abortAltitude*1000) {
delete p.leg
}
} else if (p.leg == 'landing') {
if (p[9] != intFieldElev) {
routePlane(plane + ' l ' + (p.north?runN:runS))
p.landingAttempts += 1
}
p.sequence = p.landingAttempts
if (p.landingAttempts > maxLandingAttempts) {
abort(plane)
}
if (p[12] == null) { // if the plane has made itself go around
abort(plane)
}
} else if (!p.leg) {
if (p[16]=='A') { // if don't have a leg assigned but we're an arrival (haven't been routed), then insert us into the approach sequence
// if we're north of the final waypoint
if (p.north == undefined) {
p.north = p[3]+62 < midY
}
// if we only have one runway anyway
if (runN == runS) {
p.north = true
}
if (northQueue.indexOf(plane) == -1 && southQueue.indexOf(plane) == -1) {
if (p.north) {
northQueue.push(plane)
} else {
southQueue.push(plane)
}
}
p.alt = 0
p.onCourse = false
p.leg = 'approach'
} else if (p[16]=='D') {
// if we're a new departure, make space for us in the arrival sequence
if (!p.gapped) {
if (G_arrNavObjects[p[12]][0] == runwayNE || G_arrNavObjects[p[12]][0] == runwayNW) {
if (northQueue.length>0 && !G_objPlanes[northQueue[northQueue.length-1]].gap) {
G_objPlanes[northQueue[northQueue.length-1]].gap = plane
p.gapped = true
}
} else if (G_arrNavObjects[p[12]][0] == runwaySE || G_arrNavObjects[p[12]][0] == runwaySW) {
if (southQueue.length>0 && !G_objPlanes[southQueue[southQueue.length-1]].gap) {
G_objPlanes[southQueue[southQueue.length-1]].gap = plane
p.gapped = true
}
}
}
}
}
})
// monitor the queues, and if one is overflowing and the other isn't, then switch a plane
let queueDiff = northQueue.length - southQueue.length
if (Math.abs(queueDiff) > 5 && runN!=runS) {
if (northQueue.length > southQueue.length) {
abort(northQueue[northQueue.length - 1])
} else {
abort(southQueue[southQueue.length - 1])
}
}
// now space the places that are on the downwind leg
let waypoints = ['NDWND', 'SDWND']
for (let w=0; w<waypoints.length; w++) {
let waypoint = waypoints[w]
let wx = eastFlow ? lineX/2 : lineX*1.5
let wy = waypoint=='NDWND' ? northY : southY
let queue = []
// pull out the planes flying to my waypoint, and calculate their distance
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
if (p[11] == waypoint) {
let dist = Math.sqrt(Math.pow(p[2]+24-wx,2) + Math.pow(p[3]+62-wy,2))
queue.push({'plane': plane, 'dist': dist})
}
})
// sort them according to their distance
queue.sort(function(a,b) {
return a.dist - b.dist
})
for (let i=0; i<queue.length; i++) {
let p = queue[i]
let desired = (i+(G_objPlanes[p.plane].gap?1:0))*incomingSpacing
let diff = p.dist - queue[0].dist - desired
G_objPlanes[p.plane].sequence = i
G_objPlanes[p.plane].pathLength = p.dist
G_objPlanes[p.plane].desiredPathLength = desired
G_objPlanes[p.plane].firstDist = queue[0].dist
G_objPlanes[p.plane].diff = diff
if (diff > spacingPrecision) {
setSpeed(p.plane, 300)
} else if (diff < -spacingPrecision) {
setSpeed(p.plane, 160)
} else {
setSpeed(p.plane, 240)
}
// stagger the altitudes
setAltitude(queue[i].plane, i+3)
}
if (waypoint == 'NDWND') {
northDownwindMaxAlt = queue.length + 2
} else {
southDownwindMaxAlt = queue.length + 2
}
}
// now monitor the landing planes for spacing
waypoints = [runwayNE, runwayNW, runwaySE, runwaySW]
for (let w=0; w<waypoints.length; w++) {
let waypoint = waypoints[w]
let wx = lineX
let wy = midY
let queue = []
// pull out the planes flying to my waypoint, and calculate their distance
planes.forEach(function(plane) {
let p = G_objPlanes[plane]
if (p[11] == waypoint) {
let dist = Math.sqrt(Math.pow(p[2]+24-wx,2) + Math.pow(p[3]+62-wy,2))
queue.push({'plane': plane, 'dist': dist})
}
})
// sort them according to their distance
queue.sort(function(a,b) {
return a.dist - b.dist
})
runwayQueues[waypoint] = queue
// console.log(waypoint, queue)
for (let i=1; i<queue.length; i++) {
let p = queue[i]
let diff = p.dist - queue[i-1].dist
G_objPlanes[p.plane].sequence = i
G_objPlanes[p.plane].diff = diff
G_objPlanes[p.plane].dist = p.dist
// abort landing if too close to the plane in front
if (diff < minLandingSpacing) {
abort(p.plane)
break
}
}
}
}
abort = function(plane) {
plane = plane.toUpperCase()
if (!!G_objPlanes[plane]) {
let p = G_objPlanes[plane]
let index = northQueue.indexOf(plane)
if (index != -1) {
northQueue.splice(index, 1)
}
index = southQueue.indexOf(plane)
if (index != -1) {
southQueue.splice(index, 1)
}
p.leg = 'abort'
p.onCourse = false
p.north = !p.north
delete p.sequence
delete p.lastLeg
delete p.lastSpacingStep
}
}
render = function() {
d3.select('#canvas').select('svg').remove()
svg = d3.select('#canvas').append('svg')
.attr('width', window.innerWidth)
.attr('height', window.innerHeight)
}
render()
colorscale = d3.scaleOrdinal(d3.schemecategory10)
update = function() {
let d = new Date()
let t = d.getTime()
// convert planes dict into list
data = []
Object.keys(G_objPlanes).forEach(function(plane) {
let out = G_objPlanes[plane]
out.name = plane
data.push(out)
})
let planes = self.svg.selectAll('g')
.data(data, function(d) { return d.name })
// apply updates
planes.attr('transform', function(d) { return 'translate(' + (d[2]+24) + ',' + (d[3]+62) + ')' })
// planes.selectAll('circle')
// .style('fill', function(d) { return d[10]==300 ? 'blue' : d[10]==400 ? 'green' : d[10]==160 ? 'red' : 'black' })
planes.selectAll('line')
.attr('x1', function(d) { return 0 })
.attr('y1', function(d) { return 0 })
.attr('x2', function(d) {
if (d[16]=='A' ) {
for (let i=0; i<G_arrNavObjects.length; i++) {
if (G_arrNavObjects[i][0] == d[11]) {
return G_arrNavObjects[i][2] - d[2]-24
}
}
if (!!d.xi) {
return d.xi - d[2]-24
}
}
return 0
})
.attr('y2', function(d) {
if (d[16]=='A' ) {
for (let i=0; i<G_arrNavObjects.length; i++) {
if (G_arrNavObjects[i][0] == d[11]) {
return G_arrNavObjects[i][3] - d[3]-62
}
}
if (!!d.yi) {
return d.yi - d[3]-62
}
}
return 0
})
planes.selectAll('text')
.text(function(d) { return d.sequence>-1 ? d.sequence :''}) // + ' | gap: ' + d.gap + ' | path: ' + Math.round(d.pathLength) + ' | des: ' + Math.round(d.desiredPathLength) : '' }) // + ' | dist0: ' + Math.round(d.dist0) + ' | dist1: ' + Math.round(d.dist1) + ' | dist2: ' + Math.round(d.dist2): '' })
// create new objects
planes.enter()
.append('g')
.attr('class', 'plane')
.attr('transform', function(d) { return 'translate(' + (d[2]+24) + ',' + (d[3]+62) + ')' })
.on('click', function() { console.log('aaaah real monsters') })
.each(function(d) {
// d3.select(this)
// .append('circle')
// .attr('cx', '0')
// .attr('cy', '0')
// .attr('r', 7)
d3.select(this)
.append('line')
.attr('x1', '0')
.attr('x2', '0')
.attr('y1', '0')
.attr('y2', '0')
.style('stroke', 'gray')
d3.select(this)
.append('text')
.attr('x', '15')
.attr('y', '0')
.style('stroke', 'black')
.style('fill', 'black')
.style('font-size', '14px')
})