pythoningLearning
diff --git a/‎CHANGELOG
Lines changed: 7 additions & 2 deletions b/‎CHANGELOG
Lines changed: 7 additions & 2 deletions
diff --git a/‎README
Lines changed: 1 addition & 1 deletion b/‎README
Lines changed: 1 addition & 1 deletion
diff --git a/‎cocos/__init__.py
Lines changed: 11 additions & 1 deletion b/‎cocos/__init__.py
Lines changed: 11 additions & 1 deletion
diff --git a/‎cocos/actions/interval_actions.py
Lines changed: 33 additions & 1 deletion b/‎cocos/actions/interval_actions.py
Lines changed: 33 additions & 1 deletion
@@ -1,7 +1,12 @@
-v0.3.0 - XXX
+v0.3.0 - September 5th, 2008
   - Added particle systems: Sun, Fire, Fireworks, Meteor, Galaxy, Flower, Exposion, Spiral
-  - Fixed Camera "once" locate bug
+  - Added lerp actions
   - Applied patch by naveen.michaudagrawal
+  - Applied patch by Kao Cardoso Félix
+  - Fixed Camera "once" locate bug
+  - Many bugfixes 
+  - Primitive vector based line drawing.
+  - Tile-map editor
 
 v0.3.0rc0 -  June 27th, 2008
   - Transitions: Added ZoomTransition by Hugo Ruscitti
 
@@ -1,7 +1,7 @@
 cocos2d: A framework for building 2D games
 http://cocos2d.org
 
-version: 0.3.0rc0
+version: 0.3.0
 
 
 Requirements
 
@@ -34,10 +34,20 @@
 http://cocos2d.org
 '''
 
-__version__ = "0.3.0-rc0"
+__version__ = "0.3.0"
 __author__ = "cocos2d team"
 version = __version__
 
+
+"""
+add the cocos resources path
+"""
+import os, pyglet
+
+pyglet.resource.path.append(os.path.join(os.path.dirname(__file__), "resources"))
+pyglet.resource.reindex()
+del os, pyglet
+
 import actions
 import director
 import layer
 
@@ -104,7 +104,7 @@
 from base_actions import *
 from cocos.euclid import *
 
-__all__ = [
+__all__ = [  'Lerp',                            # interpolation
             'MoveTo','MoveBy',                  # movement actions
             'Jump', 'JumpTo', 'JumpBy',
             'Bezier',                    # complex movement actions
@@ -117,6 +117,38 @@
             'Accelerate','AccelDeccel','Speed', # Time alter actions
             ]
 
+class Lerp( IntervalAction ):
+    """
+    Interpolate between values for some specified attribute 
+    
+    """
+    def init(self, attrib, start, end, duration):
+        """Init method.
+
+        :Parameters:
+            `attrib` : string
+                The name of the attrbiute where the value is stored
+            `start`  : float
+                The start value
+            `end`    : float
+                The end value
+            `duration` : float
+                Duration time in seconds
+        """
+        self.attrib = attrib
+        self.duration = duration
+        self.start_p = start
+        self.end_p = end
+        self.delta = end-start
+
+    def update(self, t):
+        setattr(self.target, self.attrib,
+                self.start_p + self.delta * t
+                )
+
+    def __reversed__(self):
+        return Lerp(self.attrib, self.end_p, self.start_p, self.duration)
+        
 class RotateBy( IntervalAction ):
     """Rotates a `CocosNode` object clockwise a number of degrees
     by modiying it's rotation attribute.