Changeset 89 for nodebox/trunk/src/DrawingPrimitives.py

Timestamp:

02/15/07 21:44:23 (23 months ago)

Author:

fdb

Message:

Fix in points to divide points evenly (previously, it forgot the point at t=1.0)

Files:

• nodebox/trunk/src/DrawingPrimitives.py (modified) (1 diff)

nodebox/trunk/src/DrawingPrimitives.py

@@ -268 +268 @@
             raise NodeBoxError, "The given path is empty"
 
-        delta = 1.0/amount
+        # The delta value is divided by amount - 1, because we also want the last point (t=1.0)
+        # If I wouldn't use amount - 1, I fall one point short of the end.
+        # E.g. if amount = 4, I want point at t 0.0, 0.33, 0.66 and 1.0,
+        # if amount = 2, I want point at t 0.0 and t 1.0
+        try:
+            delta = 1.0/(amount-1)
+        except ZeroDivisionError:
+            delta = 1.0
+
         for i in xrange(amount):
             yield self.point(delta*i)