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-- `Camera`
-- Used in drawing.
-- Metatable of `Camera`
Camera = {
x = 0,
y = 0,
scale = 4,
follow = nil
}
-- Constructor of `Camera`
function Camera:new ()
local o = {}
setmetatable(o, self)
self.__index = self
o.follow = {}
return o
end
-- Drawing offsets
function Camera:getOffsets ()
return -self.x,-self.y
end
-- Position
function Camera:setPosition (x, y)
local x = x or 0
local y = y or 0
self.x, self.y = x, y
end
-- Add follow position
function Camera:addFollow (x, y, w)
local w = 1
if x ~= nil and y ~= nil then
table.insert(self.follow, {["x"] = x, ["y"] = y, ["w"] = w})
end
end
-- Move follow
function Camera:moveFollow ()
local x,y,i = 145, 120, 1
for k,point in pairs(Nauts) do
i = i + 1
x = math.max(math.min(point.body:getX(),290),0) + x
y = math.max(math.min(point.body:getY(),180),20) + y
end
x = x / i - 145
y = y / i - 90
self:setPosition(x,y)
end
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