chickadee » s9fes-char-graphics » generate-circle-octant

generate-circle-octant CANVAS RADIUS VISITORprocedure

Generates the coordinates for the first octant of a circle of RADIUS. It uses real coordinates. The VISITOR is called for each generated point. Should the VISITOR return #f the generator halts early.

RADIUS
fixnum ; radius
VISITOR
octant-visitor