perfect diamagnetism balance

perfect diamagnetism balance and graphics
unique energy colors for fields
game info on pause screen
falling off the map, on easy and normal difficulty
  sets the player to the entrance
  sets power ups to the exit

js/game.js

@@ -658,7 +658,21 @@ const game = {
   },
   checks() {
     if (mech.pos.y > game.fallHeight) { // if 4000px deep
-      mech.death();
+      if (game.difficultyMode > 2) {
+        mech.death();
+      } else {
+        Matter.Body.setVelocity(player, {
+          x: 0,
+          y: 0
+        });
+        Matter.Body.setPosition(player, {
+          x: level.enter.x + 50,
+          y: level.enter.y - 20
+        });
+        mech.energy = 0;
+        if (game.difficultyMode === 2) mech.damage(0.3);
+        if (game.difficultyMode === 1) mech.damage(0.1);
+      }
     }
 
     if (!(mech.cycle % 60)) { //once a second
@@ -680,18 +694,29 @@ const game = {
       }
 
       if (!(game.cycle % 420)) { //once every 7 seconds
-        fallCheck = function (who) {
+        fallCheck = function (who, save = false) {
           let i = who.length;
           while (i--) {
             if (who[i].position.y > game.fallHeight) {
-              Matter.World.remove(engine.world, who[i]);
-              who.splice(i, 1);
+              if (save && game.difficultyMode < 2) {
+                Matter.Body.setVelocity(who[i], {
+                  x: 0,
+                  y: 0
+                });
+                Matter.Body.setPosition(who[i], {
+                  x: level.exit.x + 30 * (Math.random() - 0.5),
+                  y: level.exit.y + 30 * (Math.random() - 0.5)
+                });
+              } else {
+                Matter.World.remove(engine.world, who[i]);
+                who.splice(i, 1);
+              }
             }
           }
         };
         fallCheck(mob);
         fallCheck(body);
-        fallCheck(powerUp);
+        fallCheck(powerUp, true);
       }
     }
   },