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author | Aki <nthirtyone@gmail.com> | 2017-04-06 20:06:12 +0200 |
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committer | Aki <nthirtyone@gmail.com> | 2017-04-06 20:06:12 +0200 |
commit | e9396447537e0c6dedfb55e9a7ffc1e99575d860 (patch) | |
tree | fb721352b3b84a419bcf0f934f78bcd75f7311eb /camera.lua | |
parent | 33b3a93138a9eee40727e9f56373b434ceab1cef (diff) | |
download | roflnauts-e9396447537e0c6dedfb55e9a7ffc1e99575d860.zip roflnauts-e9396447537e0c6dedfb55e9a7ffc1e99575d860.tar.gz roflnauts-e9396447537e0c6dedfb55e9a7ffc1e99575d860.tar.bz2 |
Camera moved to /not/ and cleaned-up a bit
Diffstat (limited to 'camera.lua')
-rw-r--r-- | camera.lua | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/camera.lua b/camera.lua deleted file mode 100644 index 2ae7c78..0000000 --- a/camera.lua +++ /dev/null @@ -1,147 +0,0 @@ --- `Camera` --- Used in drawing. - --- Metatable of `Camera` -Camera = { - x = 0, - y = 0, - dest_x = 0, - dest_y = 0, - scale = getScale(), - scaler = getRealScale(), - shake = 0, - timer = 0, - delay = 0, - origin_x = 0, - origin_y = 0, - shake_x = 0, - shake_y = 0, - world = nil, -- game world -} - --- Constructor of `Camera` -function Camera:new (world) - local o = {} - setmetatable(o, self) - self.__index = self - o.world = world - o:setPosition(o:follow()) - o:setDestination(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 - -function Camera:getPosition () - return self.x, self.y -end - -function Camera:getPositionScaled () - return self.x*self.scale, self.y*self.scale -end - --- Destination -function Camera:setDestination (x, y) - local x = x or 0 - local y = y or 0 - self.dest_x, self.dest_y = x, y -end - -function Camera:getDestination () - return self.dest_x, self.dest_y -end - --- Translate points -function Camera:translatePosition(x, y) - local x = x or 0 - local y = y or 0 - return (x-self.x)*self.scale, (y-self.y)*self.scale -end - -function Camera:translatePoints(...) - local a = {...} - local r = {} - local x,y = self:getOffsets() - for k,v in pairs(a) do - if k%2 == 1 then - table.insert(r, (v + x) * self.scale) - else - table.insert(r, (v + y) * self.scale) - end - end - return r -end - --- Shake it --- Really bad script, but for now it works -function Camera:shake () - if self.shake_x == 0 then - self.shake_x = math.random(-10, 10) * 2 - elseif self.shake_x > 0 then - self.shake_x = math.random(-10, -1) * 2 - elseif self.shake_x < 0 then - self.shake_x = math.random(10, 1) * 2 - end - if self.shake_y == 0 then - self.shake_y = math.random(-10, 10) * 2 - elseif self.shake_y > 0 then - self.shake_y = math.random(-10, -1) * 2 - elseif self.shake_y < 0 then - self.shake_y = math.random(10, 1) * 2 - end - local x = self.origin_x + self.shake_x - local y = self.origin_y + self.shake_y - self:setDestination(x, y) -end - -function Camera:startShake () - self.timer = 0.3 - self.origin_x, self.origin_y = self:getPosition() -end - --- Move follow -function Camera:follow () - local map = self.world.map - local sum_x,sum_y,i = map.center_x, map.center_y, 1 - for k,naut in pairs(self.world.Nauts) do - local naut_x,naut_y = naut:getPosition() - if math.abs(naut_x - map.center_x) < map.width/2 and - math.abs(naut_y - map.center_y) < map.height/2 then - i = i + 1 - sum_x = naut_x + sum_x - sum_y = naut_y + sum_y - end - end - local x = sum_x / i - love.graphics.getWidth()/self.scale/2 - local y = sum_y / i - love.graphics.getHeight()/self.scale/2 + 4*self.scale -- hotfix - return x,y -end - --- Update -function Camera:update (dt) - if self.timer > 0 then - self.timer = self.timer - dt - if self.delay <= 0 then - self:shake() - self.delay = 0.02 - else - self.delay = self.delay - dt - end - else - self:setDestination(self:follow()) - end - local dx, dy = self:getDestination() - dx = (dx - self.x) * 6 * dt - dy = (dy - self.y) * 6 * dt - self:setPosition(self.x + dx, self.y + dy) -end |