_Bastler/partey_workadventure
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Fix logic in group creation since i only checked the distance between the two first users and not rechecked the distance between a new memember with the ones already present in the group. Also sort the array of distances to group the ones closer first.

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This commit is contained in:
David MAECHLER 2020-04-06 01:27:20 +02:00
parent bb2315e7ac
commit 21d7fb733a
1 changed files with 50 additions and 10 deletions
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54
back/src/Controller/position.js
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@ -1,5 +1,5 @@
// Constants
let MIN_DISTANCE = 15;
let MIN_DISTANCE = 12;
let MAX_PER_GROUP = 3;
let NB_USERS = 4;
@ -10,6 +10,20 @@ let rand = function(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
};
let compareDistances = function(distA, distB) {
if (distA.distance < distB.distance) {
return -1;
}
if (distA.distance > distB.distance) {
return 1;
}
return 0;
};
let computeDistance = function (user1, user2) {
return Math.sqrt(Math.pow(user2.X - user1.X, 2) + Math.pow(user2.Y - user1.Y, 2));
};
// Test Data
let users = [];
for(let i = 1; i <= NB_USERS; i++) {
@ -23,7 +37,7 @@ for(let i = 1; i <= NB_USERS; i++) {
console.log(users);
// Compute distance between each user
let computeDistance = function(users) {
let getDistanceOfEachUser = function(users) {
let i = 0;
let distances = [];
@ -31,7 +45,7 @@ let computeDistance = function(users) {
users.forEach(function(user2, key2) {
if(key1 < key2) {
let distanceObj = {};
distanceObj.distance = Math.sqrt(Math.pow(user2.X - user1.X, 2) + Math.pow(user2.Y - user1.Y, 2));
distanceObj.distance = computeDistance(user1, user2);
distanceObj.first = user1;
distanceObj.second = user2;
@ -58,9 +72,20 @@ let createGroups = function(distances) {
groups[i] = [];
}
if(groups[i].indexOf(dist.first) === -1 && typeof alreadyInAGroup[dist.first.id] == 'undefined') {
if(groups[i].indexOf(dist.first) === -1 && typeof alreadyInAGroup[dist.first.id] === 'undefined') {
if(groups[i].length > 1) {
for(let l = 0; groups[i].length; l++) {
let userTotest = groups[i][l];
if(computeDistance(dist.first, userTotest) <= MIN_DISTANCE) {
groups[i].push(dist.first);
alreadyInAGroup[dist.first.id] = true;
break;
}
}
} else {
groups[i].push(dist.first);
alreadyInAGroup[dist.first.id] = true;
}
}
if(groups[i].length === MAX_PER_GROUP) {
@ -72,9 +97,20 @@ let createGroups = function(distances) {
continue;
}
if(groups[i].indexOf(dist.second) === -1 && typeof alreadyInAGroup[dist.second.id] == 'undefined') {
if(groups[i].indexOf(dist.second) === -1 && typeof alreadyInAGroup[dist.second.id] === 'undefined') {
if(groups[i].length > 1) {
for(let l = 0; groups[i].length; l++) {
let userTotest = groups[i][l];
if(computeDistance(dist.second, userTotest) <= MIN_DISTANCE) {
groups[i].push(dist.second);
alreadyInAGroup [dist.second.id] = true;
alreadyInAGroup[dist.second.id] = true;
break;
}
}
} else {
groups[i].push(dist.second);
alreadyInAGroup[dist.second.id] = true;
}
}
}
}
@ -82,7 +118,11 @@ let createGroups = function(distances) {
return groups;
};
let distances = computeDistance(users);
let distances = getDistanceOfEachUser(users);
// ordonner par distance pour prioriser l'association en groupe des utilisateurs les plus proches
distances.sort(compareDistances);
let groups = createGroups(distances);
// TODO : Créer une méthode pour checker la distance entre les membres du groupes pour savoir s'il faut les dissoudre ou non