1 files changed, 12 insertions, 0 deletions
diff --git a/pixelevents/DecayEvent.py b/pixelevents/DecayEvent.py
new file mode 100644
index 0000000..c9fc226
--- /dev/null
+++ b/pixelevents/DecayEvent.py
@@ -0,0 +1,12 @@
+from pixelcore import PixelEvent
+import Util, math
+class DecayEvent(PixelEvent):
+    def initEvent(self):
+        self.validateArgs('DecayEvent.params')
+        self['Coefficient'] = abs(self['Coefficient'])
+    def state(self,timeDelay):
+        if self['DecayType'] == 'Exponential':
+            decay = math.exp(timeDelay*-1*self['Coefficient'])
+        if self['DecayType'] == 'Proportional':
+            decay = float(self['Coefficient']) / timeDelay
+        return Util.multiplyColor(self['Color'], decay)