Adding PlayerMovement class to interpolate/extrapolate position along tests (installing Jasmine)

front/src/Enum/EnvironmentVariable.ts

@@ -3,11 +3,13 @@ const API_URL = process.env.API_URL || "http://api.workadventure.localhost";
 const RESOLUTION = 3;
 const ZOOM_LEVEL = 1/*3/4*/;
 const POSITION_DELAY = 200; // Wait 200ms between sending position events
+const MAX_EXTRAPOLATION_TIME = 250; // Extrapolate a maximum of 250ms if no new movement is sent by the player
 
 export {
     DEBUG_MODE,
     API_URL,
     RESOLUTION,
     ZOOM_LEVEL,
-    POSITION_DELAY
+    POSITION_DELAY,
+    MAX_EXTRAPOLATION_TIME
 }