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author | Jakob Odersky <jodersky@gmail.com> | 2014-05-10 18:43:13 +0200 |
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committer | Jakob Odersky <jodersky@gmail.com> | 2014-05-10 18:43:13 +0200 |
commit | 8b6ff428f2f482f94c533e2b4366cd7316f3244a (patch) | |
tree | bc4ef9468987703971cdb2ca3de6cfede833b655 | |
parent | 7339de327612bf6cd02fb255b213d963ff00de25 (diff) | |
parent | 31acd22765a129bd482354f875f230c4a2b66e4f (diff) | |
download | playGraph-8b6ff428f2f482f94c533e2b4366cd7316f3244a.tar.gz playGraph-8b6ff428f2f482f94c533e2b4366cd7316f3244a.tar.bz2 playGraph-8b6ff428f2f482f94c533e2b4366cd7316f3244a.zip |
Merge branch 'master' of github.com:jodersky/playGraph
Conflicts:
app/js/controllers.js
-rw-r--r-- | app/js/controllers.js | 3 | ||||
-rw-r--r-- | app/js/services.js | 40 |
2 files changed, 37 insertions, 6 deletions
diff --git a/app/js/controllers.js b/app/js/controllers.js index cb061da..1c6e8d0 100644 --- a/app/js/controllers.js +++ b/app/js/controllers.js @@ -3,13 +3,14 @@ /* Controllers */ var p = new Point(1,2); +<<<<<<< HEAD app.controller('pointCtrl', ['$scope', '$http', function($scope, $http){ var constList = [ {x: 10, y:20}, {x: 100, y:50}, {x: 100, y:200} ] - pathService.computePlaylist(dummyPoints,); + pathService.computePlaylist(dummyPoints,constList, 60); $scope.points=dummyPoints; /*$http.get('data.json').then( function (response) { diff --git a/app/js/services.js b/app/js/services.js index 1b203f5..1788915 100644 --- a/app/js/services.js +++ b/app/js/services.js @@ -9,13 +9,43 @@ app.service('pathService', function() { var dy = point1.y - point2.y; return Math.sqrt(dx * dx + dy * dy); }, - computePlaylist: function(songList, constrainList) { + computePlaylist: function(songList, constrainList, duration) { + //compute distances from the constrain path + var maxDistOverall = Number.MIN_VALUE; angular.forEach(songList, function(song){ - var min = Number.MAX_VALUE; - angular.forEach(constrainList, function(point){ - var d = dist(song, point); - }); + song.minDist = Number.MAX_VALUE; + for(var i=0; i<constrainList.length;i++){ + var point = constrainList[i]; + var d = self.dist(song, point); + if(d < song.minDist){ + song.minDist = d; + song.closest = point; + song.closestIndex = i; + } + } + if(song.minDist > maxDistOverall){ + maxDistOverall = song.minDist; + } }); + //select the songs + var selection = []; + while(duration > 0 && songList.length > 0){ + //randomly select one song + var index = Math.floor(Math.random()*songList.length); + var song = songList[index]; + var ratio = song.minDist/maxDistOverall; + console.log(ratio); + //favor the ones closer to the path + var weight = 1 - ratio*ratio; + if(Math.random() < weight){ + songList.splice(index, 1); + selection.push(song); + } + duration = 0; + } + selection.sort(function(item){ return item.closestIndex;}); + console.log(selection); + return selection; } }; return self; |