I have added several graphics primitive functions to lispbuilder-sdl. The
following are now implemented as Lisp-native functions:
- Bezier Curves (thanks to Paul Graham and OnLisp)
- Catmull-Rom Splines
- Shape functions for drawing Lines, Points and Line Strips from a list of
POINTs.
- Various macros to allow for the following:
(sdl:with-bezier (:line-strip)
(sdl:add-vertex (sdl:point 60 40))
(sdl:add-vertex (sdl:point 160 10))
(sdl:add-vertex (sdl:point 170 150))
(sdl:add-vertex (sdl:point 60 150))))
(sdl:with-shape (:lines)
(sdl:add-vertex (sdl:point 60 40))
(sdl:add-vertex (sdl:point 160 10))
(sdl:add-vertex (sdl:point 170 150))
(sdl:add-vertex (sdl:point 60 150))))
In addition I moved most of the examples that I had converted from
Processing.org from the lispbuilder-sdl-gfx-examples package into the
lispbuilder-sdl-examples (apart from those that demonstrate polygons, trigons
circles and ellipses).
Justin's simple-font code allowed me to move the metaballs example to
lispbuilder-sdl-examples (The font is kind of hard to read though ;))
- Luke
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