Features: Reset idDisplay, configurable fast delete and custom distance function

.github/workflows/node.js.yml

@@ -0,0 +1,26 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+# Trigger the workflow on push or pull request
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm ci
+    - run: npm run build --if-present
+    - run: npm test

.gitignore

@@ -57,5 +57,9 @@ typings/
 # dotenv environment variables file
 .env
 
+# macOS System Files
 .DS_Store
+.nosync
 
+# Development Environment
+.vscode

ItemTracked.js

@@ -15,16 +15,17 @@ var computeVelocityVector = require('./utils').computeVelocityVector
 // Use a simple incremental unique id for the display
 var idDisplay = 0;
 
-exports.ItemTracked = function(properties, frameNb, DEFAULT_UNMATCHEDFRAMES_TOLERANCE){
-  var DEFAULT_UNMATCHEDFRAMES_TOLERANCE = DEFAULT_UNMATCHEDFRAMES_TOLERANCE;
+exports.ItemTracked = function(properties, frameNb, unMatchedFramesTolerance, fastDelete){
+  var DEFAULT_UNMATCHEDFRAMES_TOLERANCE = unMatchedFramesTolerance;
   var itemTracked = {};
   // ==== Private =====
   // Am I available to be matched?
   itemTracked.available = true;
   // Should I be deleted?
   itemTracked.delete = false;
+  itemTracked.fastDelete = fastDelete;
   // How many unmatched frame should I survive?
-  itemTracked.frameUnmatchedLeftBeforeDying = DEFAULT_UNMATCHEDFRAMES_TOLERANCE;
+  itemTracked.frameUnmatchedLeftBeforeDying = unMatchedFramesTolerance;
   itemTracked.isZombie = false;
   itemTracked.appearFrame = frameNb;
   itemTracked.disappearFrame = null;
@@ -98,7 +99,7 @@ exports.ItemTracked = function(properties, frameNb, DEFAULT_UNMATCHEDFRAMES_TOLE
     return this;
   }
   itemTracked.countDown = function(frameNb) {
-    // Set frame disappear number 
+    // Set frame disappear number
     if(this.disappearFrame === null) {
       this.disappearFrame = frameNb;
       this.disappearArea = {
@@ -111,7 +112,7 @@ exports.ItemTracked = function(properties, frameNb, DEFAULT_UNMATCHEDFRAMES_TOLE
     this.frameUnmatchedLeftBeforeDying--;
     this.isZombie = true;
     // If it was matched less than 1 time, it should die quick
-    if(this.nbTimeMatched <= 1) {
+    if(this.fastDelete && this.nbTimeMatched <= 1) {
       this.frameUnmatchedLeftBeforeDying = -1;
     }
   }
@@ -212,3 +213,6 @@ exports.ItemTracked = function(properties, frameNb, DEFAULT_UNMATCHEDFRAMES_TOLE
   return itemTracked;
 };
 
+exports.reset = function() {
+  idDisplay = 0;
+}