Table of contents
Chapter index
Previous slide
Next slide
184
Using line set coordinate index lists
Building shapes out of points, lines, and faces
Using line set coordinate index lists
A line is drawn between pairs of coordinate indexes
-1
marks a break in the line
A line is
not
automatically drawn from the last index back to the first
coordIndex [ 1, 0, 3, 8, -1, 5, 9, 0 ]
1, 0, 3, 8,
Draw line from 1 to 0 to 3 to 8
-1,
End line, start next
5, 9, 0
Draw line from 5 to 9 to 0