buildPath: function() {
var buildPathDeferred = Q.defer();
var path = this;
Q.allSettled([
Point.getPoint(this.origin),
Point.getPoint(this.destination)
]).then(function(resolves) {
var origin = resolves[0].value,
destination = resolves[1].value;
var directions = origin.directionsTo(destination),
distance = origin.distanceTo(destination);
path.zoom = origin.arbitraryZoom(destination, path.width, path.height, 2000, 2000);
return path.getTiles(directions);
}).then(function(options) {
var grid = new Grid(options.tiles);
grid.fill(options);
}).catch(function() {
console.log(arguments);
});
return buildPathDeferred.promise;
}
getTiles: function(directions) {
var getTilesDeferred = Q.defer();
var path = this;
Q.allSettled([
Point.getPoint(this.origin),
Point.getPoint(this.destination)
]).then(function(resolves) {
var origin = resolves[0].value,
destination = resolves[1].value;
if (path.adjacent > 0) {
var newOrigin = origin;
for (var tile = 0; tile < path.adjacent; tile++) {
var α;
if (directions.west && directions.north) {
α = 225;
} else if (directions.west && directions.south) {
α = 45;
} else if (directions.east && directions.north) {
α = 315;
} else {
α = 135;
}
newOrigin = newOrigin.adjacent(α, path.width, path.height, path.zoom);
}
getTilesDeferred.resolve({
path: path,
directions: directions,
tiles: newOrigin.tilesInZoom(destination, path.width, path.height, path.zoom),
});
} else {
getTilesDeferred.resolve({
path: path,
directions: directions,
tiles: origin.tilesInZoom(destination, path.width, path.height, path.zoom)
});
}
});
return getTilesDeferred.promise;
},
capillaryWaves: function(k, width, height, zoom) {
var capillaryWavesDeferred = Q.defer();
var promises = [];
var Point = require(global.APP_DIR + '/models/Point');
var capillaryArray = [];
var total = k * 2;
for (var y = 0; y < total; y++) {
capillaryArray[y] = [];
for (var x = 0; x < total; x++) {
var Δx = ((k - y) * -width) + width / 2,
Δy = ((k - x) * -height) + height / 2;
var point = new Point();
point.location = [this.adjustLatByPixels(Δx, zoom), this.adjustLonByPixels(Δy, zoom)];
point.lat = point.location[0];
point.lon = point.location[1];
capillaryArray[y][x] = point;
promises.push(point.getPoint().then(function(point) {
capillaryArray[this.y][this.x] = point;
}.bind({
x: x,
y: y
})));
}
}
Q.allSettled(promises)
.then(function(resolves) {
var promisesAfter = [];
resolves.forEach(function(resolve) {
if (resolve.state === 'fulfilled') {
var deferred = Q.defer();
deferred.resolve(resolve.value);
promisesAfter.push(deferred.promise);
} else {
promisesAfter.push(Q.nbind(resolve.reason.save, resolve.reason)());
}
});
return Q.allSettled(promisesAfter);
})
.then(function() {
capillaryWavesDeferred.resolve(capillaryArray);
});
return capillaryWavesDeferred.promise;
},