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--
-- Agario Checkers - Checkers-like game with inspiration from agar.io
-- Copyright (C) 2015-2016 Delwink, LLC
--
-- Redistributions, modified or unmodified, in whole or in part, must retain
-- applicable copyright or other legal privilege notices, these conditions, and
-- the following license terms and disclaimer. Subject to these conditions,
-- the holder(s) of copyright or other legal privileges, author(s) or
-- assembler(s), and contributors of this work hereby grant to any person who
-- obtains a copy of this work in any form:
--
-- 1. Permission to reproduce, modify, distribute, publish, sell, sublicense,
-- use, and/or otherwise deal in the licensed material without restriction.
--
-- 2. A perpetual, worldwide, non-exclusive, royalty-free, irrevocable patent
-- license to reproduce, modify, distribute, publish, sell, use, and/or
-- otherwise deal in the licensed material without restriction, for any and all
-- patents:
--
-- a. Held by each such holder of copyright or other legal privilege,
-- author or assembler, or contributor, necessarily infringed by the
-- contributions alone or by combination with the work, of that privilege
-- holder, author or assembler, or contributor.
--
-- b. Necessarily infringed by the work at the time that holder of
-- copyright or other privilege, author or assembler, or contributor made
-- any contribution to the work.
--
-- NO WARRANTY OF ANY KIND IS IMPLIED BY, OR SHOULD BE INFERRED FROM, THIS
-- LICENSE OR THE ACT OF DISTRIBUTION UNDER THE TERMS OF THIS LICENSE,
-- INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR
-- A PARTICULAR PURPOSE, AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS,
-- ASSEMBLERS, OR HOLDERS OF COPYRIGHT OR OTHER LEGAL PRIVILEGE BE LIABLE FOR
-- ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER IN ACTION OF CONTRACT, TORT,
-- OR OTHERWISE ARISING FROM, OUT OF, OR IN CONNECTION WITH THE WORK OR THE USE
-- OF OR OTHER DEALINGS IN THE WORK.
--
BOARD_SIZE = 512
BOARD_SQ_SIZE = BOARD_SIZE / 8
local darkcolor = {0, 0, 0}
function boardsqsize()
return BOARD_SQ_SIZE
end
function getboardpos()
local halfsize = BOARD_SIZE / 2
local xpos = love.graphics.getWidth()/2 - halfsize
local ypos = love.graphics.getHeight()/2 - halfsize
return {x=xpos, y=ypos}
end
function getcenter(x, y)
local bpos = getboardpos()
local sqsize = boardsqsize()
local halfsize = sqsize / 2
local xpos = bpos.x + (x - 1) * sqsize + halfsize
local ypos = bpos.y + (y - 1) * sqsize + halfsize
return {x=xpos, y=ypos}
end
local function drawsquare(x, y)
love.graphics.rectangle('fill', x, y, boardsqsize(), boardsqsize())
end
local function drawrow(start, y)
local sqsize = boardsqsize()
for i=0,3 do
drawsquare(start + i * sqsize * 2, y)
end
end
function drawboard()
local boardpos = getboardpos()
local sqsize = boardsqsize()
love.graphics.setColor(darkcolor)
for i=0,3 do
local ypos = boardpos.y + i * sqsize * 2
drawrow(boardpos.x + sqsize, ypos)
drawrow(boardpos.x, ypos + sqsize)
end
end
function inspace(space, x, y)
local sqsize = boardsqsize()
return (x >= space.x and y >= space.y and x <= space.x + sqsize
and y <= space.y + sqsize)
end
function getsqpos(x, y)
local bpos = getboardpos()
local sqsize = boardsqsize()
x = x - 1
y = y - 1
return {x=bpos.x + (x * sqsize), y=bpos.y + (y * sqsize)}
end
function onboard(x, y)
local bpos = getboardpos()
return (x >= bpos.x and x <= bpos.x + BOARD_SIZE
and y >= bpos.y and y <= bpos.y + BOARD_SIZE)
end
function getspace(x, y)
local bpos = getboardpos()
local sqsize = boardsqsize()
if not onboard(x, y) then
return {x=-1, y=-1}
end
return {x=math.floor((x - bpos.x) / sqsize) + 1,
y=math.floor((y - bpos.y) / sqsize) + 1}
end
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