diff --git a/__init__.py b/__init__.py
new file mode 100755
index 0000000..212c3b0
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,12 @@
+import roc
+import universe
+import pipeline
+import inputs
+import physics
+import models
+import gamedata
+import enums
+import files
+import gametimer
+import shader
+import video
\ No newline at end of file
diff --git a/physics.py b/physics.py
new file mode 100755
index 0000000..7e22bfd
--- /dev/null
+++ b/physics.py
@@ -0,0 +1,115 @@
+from py3dutil import vect, quat
+import gametimer
+import math
+
+floor = math.floor
+
+class physics_manager(object):
+	def __init__(self):
+		self.cellsize = 100.0
+		self.cells = {}
+		self.zones = {}
+	def getcell(self, pos, create=False):
+		x = int(floor(pos.x / self.cellsize))
+		y = int(floor(pos.y / self.cellsize))
+		z = int(floor(pos.z / self.cellsize))
+		k = (x, y, z)
+		if k in self.cells:
+			return self.cells[k]
+		if create:
+			self.cells[k] = collision_cell()
+			return self.cells[k]
+		else:
+			return None
+
+	def collide(self, obj, pos, newpos):
+		pass
+
+	def get_neighbors(self, cellkey, dist):
+		return []
+		
+	def _postcollide_single(self, obj, cellkey, pairmap):
+		movement = obj._collide_end - obj._collide_start
+		cellmove = int(movement.mag() / self.cellsize) + 2
+		neighbors = self.get_neighbors(cellkey, cellmove)
+		for neighbor in neighbors:
+			for other in neighbor:
+				d = obj.pos.dist(other.pos)
+				thresh = movement.mag()
+				if obj.radius:
+					thresh += obj.radius
+				if other.radius:
+					thresh += other.radius
+				if d > thresh:
+					continue
+					
+				pairkey = (obj, other)
+				if id(other) < id(obj):
+					pairkey = (other, obj)
+				pairmap[pairkey] = 1
+					
+	def _postcollide_pair(self, pair):
+		obj, other = pair
+		moved1, moved2 = False, False
+		if not obj.massless:
+			moved1 = other.collide(obj)
+		if not other.massless:
+			moved2 = obj.collide(other)
+
+		print "Collision!"
+		assert False
+		return moved1 or moved2
+
+	def postcollide(self):
+		positions_adjusted = True
+		iter = 0
+		while positions_adjusted:
+			positions_adjusted = False
+			iter += 1
+			pairmap = {}
+			for key, cell in self.cells.items():
+				for obj in cell:
+					self._postcollide_single(obj, key, pairmap)
+
+			for pair in pairmap:
+				rv = self._postcollide_pair(pair)
+				if rv:
+					positions_adjusted = True
+		
+	def collide_failed(self):
+		pass
+
+		
+	def move(self, obj, pos, newpos):
+		x = int(floor(pos.x / self.cellsize))
+		y = int(floor(pos.y / self.cellsize))
+		z = int(floor(pos.z / self.cellsize))
+		xn = int(floor(newpos.x / self.cellsize))
+		yn = int(floor(newpos.y / self.cellsize))
+		zn = int(floor(newpos.z / self.cellsize))
+		if x != xn or y != yn or z != zn:
+			cellold = self.getcell(pos)
+			cellnew = self.getcell(newpos, create=True)
+			if cellold:
+				cellold.remove(obj)
+			cellnew.add(obj)
+		
+class collision_cell(object):
+	def __init__(self):
+		self.objects = {}
+	def add(self, obj):
+		self.objects[obj] = 1
+	def remove(self, obj):
+		if obj in self.objects:
+			del self.objects[obj]
+	def __iter__(self):
+		return iter(self.objects)
+class render_zone(object):
+	def __init__(self):
+		pass
+
+def init():
+	global mgr
+	mgr = physics_manager()
+		
+mgr = None
diff --git a/tools/spritemaker.py b/tools/spritemaker.py
new file mode 100755
index 0000000..e4c8c3c
--- /dev/null
+++ b/tools/spritemaker.py
@@ -0,0 +1,25 @@
+import os, sys
+
+pp = os.path.split(os.path.abspath(sys.argv[0]))[0]
+sys.path = [os.path.split(pp)[0]] + sys.path
+
+import gamedata
+import bintag
+
+class sprite_class(object):
+	def __init__(self):
+		pass
+		
+	def load(self, data):
+		pass
+		
+	def export_bintag(self):
+		pass
+			
+
+sprlist = gamedata.get('sprites')
+
+for sprdata in sprlist:
+	spr = sprite_class()
+	spr.load(sprdata)
+		
diff --git a/universe.py b/universe.py
new file mode 100755
index 0000000..bc3b9d2
--- /dev/null
+++ b/universe.py
@@ -0,0 +1,55 @@
+import models
+import pipeline
+
+class base_universe(object):
+	def __init__(self):
+		pass
+		
+	def init(self):
+		pass
+		
+	def frame(self):
+		pass
+		
+	def update(self):
+		pass
+		
+	def render(self):
+		pass
+		
+class test_universe(base_universe):
+	def frame(self):
+		# pink triangle
+		glBegin(GL_TRIANGLE_STRIP)
+		glNormal3f(0.0, 0.0, 1.0)
+		glColor4f(1.0, 0.0, 0.5, 1.0)
+		glVertex3f(  20.0,  50.0,  1.0)
+		glVertex3f(  20.0, 600.0,  1.0)
+		glVertex3f( 400.0,  50.0,  1.0)
+		glEnd()
+	
+		# yellow square
+		glBegin(GL_TRIANGLE_STRIP)
+		glNormal3f(0.0, 0.0, 1.0)
+		glColor4f(1.0, 1.0, 0.0, 1.0)
+		glVertex3f( 150.0,  20.0, -50.0)
+		glVertex3f( 150.0, 400.0, -50.0)
+		glVertex3f( 360.0,  20.0, -50.0)
+		glVertex3f( 360.0, 400.0, -50.0)
+		glEnd()
+	
+		# texture test
+		mdl = models.mgr.create("m_test")
+		mdl.render()
+
+
+	
+class tiled_universe(base_universe):
+	def __init__(self):		
+		pass
+		
+	def init(self):
+		pass
+		
+	def frame(self):
+		pass
\ No newline at end of file