I got it for color. Now let me play with that a little. Thanks, On Sat, Feb 29, 2020 at 8:20 PM bill lam <bbill....@gmail.com> wrote:
> there is a > glClearColor 0 0 0 0 > inside a_g_paint, or it should be 0 0 0 1? > > you can use a global noun say BColor to hold its value. If you want another > color, you change the content, eg 1 0 0 1, of this noun, and then gl_sel > and gl_paint to trigger a paint event to render according to the current > state. > > > -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
