# We define 4 points
raw_vertex
0 0 0
1 0 0
0 1 0
1 1 0
raw_end
# For each vertex, a color is given
raw_color_v
0 0 0
1 0 0
0 1 0
1 1 0
raw_end
# We use the triangle_v primitive to use the points.  color information
#  is implicitly used.
triangle_v 0 1 2
triangle_v 2 1 3