Hi there ... hopefully someone out there can lend a hand to resolve what I am sure are
a couple of dead easy (to those in the know!) questions.
I'm trying to get GeometryInfo geometry using a Triangle_Strip_Array to render
properly and am having problems.
To take a simple example .. I have 3 lines of coordinates,each with 4 vertices ...
thus making 2 strips ie.
. . .
. Strip . Strip .
. One . Two .
. . .
QUESTION 1: Each strip is made up of 8 vertices (making a total of 16 between them),
but I only have a total of 12 vertices created. I have to declare a stripcount thus,
int[] stripCount = {8,8};
This then creates an exception!
... Are the shared ones implied implicitly or do I have to create the middle row of
vertices twice?
QUESTION 2: I'm not sure how little information I can get away with when using
GeometryInfo. I have an array of float coordinates which are unordered in that they
are simply the 12 coordinates read in rows. I then declare the following
GeometryInfo gi = new(GeometryInfoGeometryInfo.TRIANGLE_STRIP_ARRAY);
gi.setCoordinates(coordinateData);
gi.setStripCounts(stripCount);
I then use the normalGenerator and the Stripifier and finally extract the Geometry
Array.This doesn't render the strips in anyway close to how I assume it should.
I'm assuming the problem lies with setting the coordinates ... Do I need to index them
so the triangles can be drawn and rendered?? If so, how do I do it?
Thanks
Andrew Powell
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