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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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19
Task/Bitmap-Midpoint-circle-algorithm/Lua/bitmap-midpoint-circle-algorithm-1.lua Normal file
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function Bitmap:circle(x, y, r, c)
local dx, dy, err = r, 0, 1-r
while dx >= dy do
self:set(x+dx, y+dy, c)
self:set(x-dx, y+dy, c)
self:set(x+dx, y-dy, c)
self:set(x-dx, y-dy, c)
self:set(x+dy, y+dx, c)
self:set(x-dy, y+dx, c)
self:set(x+dy, y-dx, c)
self:set(x-dy, y-dx, c)
dy = dy + 1
if err < 0 then
err = err + 2 * dy + 1
else
dx, err = dx-1, err + 2 * (dy - dx) + 1
end
end
end