diff flax/Timeline.py @ 110:490843093506

all of this stuff is super rough and not well thought out yet. all of this stuff is super rough and not well thought out yet. i'm just checking in so we have some stuff to work with for the sprint tonight.
author dmcc
date Tue, 10 Jun 2003 10:31:57 +0000
parents ec82e1eea3c8
children 2ed9bfd1dd0e
line wrap: on
line diff
--- a/flax/Timeline.py	Sun May 25 16:25:35 2003 +0000
+++ b/flax/Timeline.py	Tue Jun 10 10:31:57 2003 +0000
@@ -4,13 +4,10 @@
 from __future__ import division # "I'm sending you back to future!"
 
 """
-Changelog:
-Fri May 16 15:17:34 PDT 2003
-    Project started (roughly).
-
-Mon May 19 17:56:24 PDT 2003
-    Timeline is more or less working.  Still bugs with skipping
-    FunctionFrames at random times.
+Quote of the Build (from Ghostbusters II)
+Dana:  Okay, but after dinner, I don't want you putting any of your old cheap 
+       moves on me. 
+Peter: Ohhhh no! I've got all NEW cheap moves.
 
 Timeline idea
 =============
@@ -177,15 +174,17 @@
 class LoopFunction(FunctionFrame):
     def __call__(self, timeline, timedevent, node):
         timeline.set_time(0)
-        print 'looped!'
+        # print 'looped!'
 
 class DoubleTimeFunction(FunctionFrame):
     def __call__(self, timeline, timedevent, node):
         timeline.set_rate(2 * timeline.rate)
+        print 'doubled!', timeline.rate
 
 class HalfTimeFunction(FunctionFrame):
     def __call__(self, timeline, timedevent, node):
         timeline.set_rate(0.5 * timeline.rate)
+        print 'halved!', timeline.rate
 
 class TimedEvent:
     """Container for a Frame which includes a time that it occurs at,
@@ -326,6 +325,8 @@
         be included.  This is because this is used to find FunctionFrames
         and we assume that any function frames at the start point (which
         could be i or j) have been processed."""
+        return [e for e in self.events if e >= i and e <= j]
+
         if direction == FORWARD:
             return [e for e in self.events if e > i and e <= j]
         else:
@@ -416,8 +417,6 @@
             last_clock = clock_time
         diff = clock_time - last_clock
         new_time = (self.direction * self.rate * diff) + last_time
-        new_time = max(new_time, 0)
-        new_time = min(new_time, self.length())
         
         # update the time
         self.last_clock_time = clock_time
@@ -426,6 +425,7 @@
         # now, find out if we missed any functions
         if self.fn_track.has_events():
             lower_time, higher_time = last_time, new_time
+            if lower_time == higher_time: print "zarg!"
             if lower_time > higher_time:
                 lower_time, higher_time = higher_time, lower_time
             
@@ -436,6 +436,11 @@
                 # they better be FunctionFrames
                 event.frame(self, event, None) # the None should be a Node, 
                                                # but that part is coming later
+        
+        # now we make sure we're in bounds (we don't do this before, since it
+        # can cause us to skip events that are at boundaries.
+        self.current_time = max(self.current_time, 0)
+        self.current_time = min(self.current_time, self.length())
     def reverse_direction(self):
         """Reverses the direction of play for this node"""
         self.direction = self.direction * -1
@@ -475,18 +480,20 @@
         T(10, scene3, blender=smoove),
         T(15, scene2)) # last TimedEvent doesn't need a blender
 
-    if 1:
+    halver = HalfTimeFunction('1/2x')
+    doubler = DoubleTimeFunction('2x')
+    if 0:
         # bounce is semiworking
         bouncer = BounceFunction('boing')
-        halver = HalfTimeFunction('1/2x')
-        doubler = DoubleTimeFunction('2x')
         tl = Timeline([track1], [T(0, bouncer), 
                                  T(0, halver),
                                  T(15, bouncer),
                                  T(15, doubler)])
     else:
         looper = LoopFunction('loop1')
-        tl = Timeline([track1], [T(14, looper)])
+        tl = Timeline([track1], [T(0, doubler),
+                                 T(5, halver),
+                                 T(14, looper)])
     tl.play()
 
     import Tix