diff --git a/HEMD.py b/HEMD.py
index d8dd4e9..13666b7 100644
--- a/HEMD.py
+++ b/HEMD.py
@@ -1,4 +1,5 @@
 import threading
+from decimal import localcontext, Decimal, ROUND_HALF_UP
 
 class color3:
     def __init__(self, r=0, g=0, b=0):
@@ -62,8 +63,13 @@ class vector2:
     def __copy__(self):
         return vector2(self.x, self.y)
 
+    def __tround__(self, target):
+        with localcontext() as ctx:
+            ctx.rounding = ROUND_HALF_UP
+            return Decimal(target).to_integral_value()
+
     def __round__(self):
-        return vector2(round(self.x), round(self.y))
+        return vector2(self.__tround__(self.x), self.__tround__(self.y))
 
     def __add__(self, v):
         return vector2(self.x+v.x, self.y+v.y)
diff --git a/audiosys.py b/audiosys.py
new file mode 100644
index 0000000..56ce38e
--- /dev/null
+++ b/audiosys.py
@@ -0,0 +1,7 @@
+import simpleaudio
+class sound:
+    def __init__(self):
+        raise NotImplementedError()
+
+
+
diff --git a/hashengine.py b/hashengine.py
index 39ad51a..1201354 100644
--- a/hashengine.py
+++ b/hashengine.py
@@ -4,6 +4,7 @@ import random
 import string
 import math
 import time
+import threading
 #import itertools
 #import multiprocessing
 
@@ -32,12 +33,12 @@ class game:
         self._width = int(canvas.winfo_reqwidth()/pixelsize)
         self._pixelsize = pixelsize
         self._OAP = {}
-        self._PAO = {}
         self._objects = {}
         self._visobjects = {}
         self._camera = obj()
         self._camera.position = vector2()
         self._camera.zoom = pixelsize
+        self._OAPUPDATING = False
         """self._workers = []
         self._processes = 2 # total number of processes.
         for i in range(self._processes):
@@ -85,8 +86,9 @@ class game:
         else:
             return []
 
-    def addobj(self, target: obj, physics=True):
-        temp = self.genid()
+    def addobj(self, target: obj, physics=True, id=None):
+        if id == None: temp = self.genid()
+        else: temp = id
         if physics: self._objects[temp] = target
         self._visobjects[temp] = target
         target.id = temp
@@ -117,8 +119,8 @@ class game:
         if obj2.anchored == True:
             obj1.velocity = vector2()
         else:
-            if xblock: obj1.velocity.x = obj1.velocity.x/2;obj2.velocity.x = obj2.velocity.x/2
-            if yblock: obj1.velocity.y = obj1.velocity.y/2;obj2.velocity.y = obj2.velocity.y/2
+            if xblock: obj1.velocity.x = obj1.velocity.x/2;obj2.velocity.x = obj2.velocity.x/2;obj2.position.x += obj2.velocity.x
+            if yblock: obj1.velocity.y = obj1.velocity.y/2;obj2.velocity.y = obj2.velocity.y/2;obj2.position.y += obj2.velocity.y
         return (xblock, yblock)
 
     def calcphysobj(self, target: obj):
@@ -135,13 +137,23 @@ class game:
                 temp = self.handlecollision(target, i)
                 if temp[0] == False: target.position.x += oldvel.x
                 if temp[1] == False: target.position.y += oldvel.y
-            if len(colliding) == 0: target.position += target.velocity
+            if len(colliding) <= 1: target.position += target.velocity
         else:
             target.position += target.velocity
         target.velocity += target.acceleration
         self.updateobjinoap(target)
 
+    def updallobjpositions(self):
+        self._OAPUPDATING = True
+        for i in self._visobjects.values():
+            try:
+                self.updateobjinoap(i)
+            except Exception as e:
+                pass
+        self._OAPUPDATING = False
+
     def render(self):
+        if self._OAPUPDATING == False: threading.Thread(target=self.updallobjpositions).start()
         self._canvas.delete(tk.ALL)
         self._height = int(canvas.winfo_reqheight()/self._camera.zoom)
         self._width = int(canvas.winfo_reqwidth()/self._camera.zoom)
@@ -154,25 +166,25 @@ class game:
                 self._canvas.create_rectangle(x*self._pixelsize, y*self._pixelsize, x*self._pixelsize+self._pixelsize, y*self._pixelsize+self._pixelsize, fill=obj.color.__tohex__(), width=0)
 
     def updobjs(self):
+        start = time.time()
         for i in self._objects.values():
             self.calcphysobj(i)
+        return time.time()-start
 
 if not "__CMD__" in globals():
     root = tk.Tk()
     canvas = tk.Canvas(root)
     canvas.grid()
     temp = game(canvas)
-    for i in range(200):
+    for i in range(10):
         tempobj = obj()
         tempobj.position = vector2(5, i)
         tempobj.anchored = False
+        tempobj.velocity.x = 1
         tempobj.collide = True
         temp.addobj(tempobj)
     while True:
-        temp.updobjs()
-        for i in temp._objects.values():
-            i.color += color3(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
-            #i.position = vector2(random.randint(0, temp._width), random.randint(0, temp._height))
+        took = temp.updobjs()
         temp.render()
         root.update()
-        time.sleep(0.1)
\ No newline at end of file
+        time.sleep(0.1-took)
\ No newline at end of file