From cbdc42af021f898e82d3e78ce7c636d3fb5eece0 Mon Sep 17 00:00:00 2001
From: Russell <rcoh@rcoh.(none)>
Date: Mon, 10 Jan 2011 12:21:19 -0500
Subject: Some performance improvements.  Faster evaluation of range-based
 queries with lambda expressions.  Faster exp with approximated fastexp.  Some
 changes to the component registry.

---
 pixelevents/DecayEvent.py       | 3 ++-
 pixelevents/SingleFrameEvent.py | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 pixelevents/SingleFrameEvent.py

(limited to 'pixelevents')

diff --git a/pixelevents/DecayEvent.py b/pixelevents/DecayEvent.py
index c1166d6..3767729 100644
--- a/pixelevents/DecayEvent.py
+++ b/pixelevents/DecayEvent.py
@@ -1,6 +1,7 @@
 from operationscore.PixelEvent import *
 import math
 from util.ColorOps import * 
+import util.Geo as Geo
 class DecayEvent(PixelEvent):
     def initEvent(self):
         self.coefficient = float(abs(self['Coefficient']))
@@ -13,7 +14,7 @@ class DecayEvent(PixelEvent):
     #SUBVERTING DESIGN FOR THE SAKE OF EFFICIENCY -- RUSSELL COHEN (2011-01-03-23:18)    
     def state(self,timeDelay):
         if self.decayType == 1:
-            decay = math.exp(timeDelay*-1*self.coefficient)
+            decay = Geo.approxexp(timeDelay*-1*self.coefficient)
         if self.decayType == 2:
             decay = self.coefficient / timeDelay
         color = multiplyColor(self.color, decay)
diff --git a/pixelevents/SingleFrameEvent.py b/pixelevents/SingleFrameEvent.py
new file mode 100644
index 0000000..1c6239f
--- /dev/null
+++ b/pixelevents/SingleFrameEvent.py
@@ -0,0 +1,8 @@
+from operationscore.PixelEvent import *
+class SingleFrameEvent(PixelEvent):
+    def initEvent(self):
+        self.rendered = False
+    def state(self):
+        if !self.rendered:
+            return self['Color']
+        return None
-- 
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