Some performance improvements. Faster evaluation of range-based queries with

lambda expressions.  Faster exp with approximated fastexp.  Some changes to the
component registry.

2 files changed, 10 insertions, 1 deletions

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