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respawntimer -= ft
--similar math elements grouped to lower tokens
flashtime = ceil(t()*10%2) == 1 --for flashing elements (ship, score)
circletimex = sin(t())*3 -- for elements that move in a circle (respawn timer)
circletimey = cos(t())*3
screenshakex = sin(shake+t())*shake
screenshakey = sin(shake+gt/2.1)*shake
--stuff for scrolling background and respawning
if gameover then
scrollspeed = lerp(scrollspeed, -1/22, 0.01) -- scroll backwards
currentscore = 0 --depleats score
if respawntimer < 0 then
gameover = false
foreach(players, function(obj) obj:respawn() end)
setwave(mid(checkpoint,currentwave-1,#wave)) --goes back one wave
sfx(29, -2)
end
elseif gamerunning then
updatewaves() -- update the wave function
local targetspeed = ft
if currentsong >= 8 then
targetspeed /= 2 --half scroll speed when boss
elseif currentwave == 20 then
targetspeed /= 8
end
scrollspeed = lerp(scrollspeed, targetspeed, 0.03)
end
gt += scrollspeed + 1/600
--stuff for starting or ending the game
if currentwave == 20 then --ending screen
if btn(4) and btn(5) and not isoutro then --press both buttons to reset cart
acidcounter = 2
isoutro = true
playsong(-1, 2000) --fades music
end
elseif not gamerunning and t() > 1 then --main menu
if btn(4) then
addplayer(18, 60, 16, 18)
startgame()
elseif btn(5) then
coopmode = true
addplayer(18, 45, 16, 18)
addplayer(18, 75, 32, 34)
startgame()
end
end
--updating objects
if gamerunning or t() < 1.95 then -- weird if because of freezing bubbles in the menu
updateobjs() --update all objects
currentscore = mid(0,currentscore,9999) --attempts to avoid hitting the OOM error or being negative
end
--screenshake math
shake = lerp(shake, 0, 0.11)
if shake < 1 or not doshake then
shake = 0
end
--adds zeros to score to look cooler
function scorewithzeros(string,length)
if #string == length then return string end
return "0"..scorewithzeros(string, length-1)
end
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