TI NSpire Learn to Fly Idle remake in lua. Need help

LD Studios · September 07, 2015, 05:51:42 PM

Please use the code tags around your post when posting a large amount of code at once.
[ c o d e ] code here [ / c o d e ] (without the spaces)

semiprocoder · September 07, 2015, 06:31:00 PM

Oh yeah, also I was wondering whether it is possible to use the gc object outside of the paint function so as to not rewrite the whole screen but to specifically only make the nessesary pixels white so as to erase the previous fram without erasing the screen.

semiprocoder · September 07, 2015, 08:41:07 PM

I updated the program so that the rotations and rescales are preloaded. I am not sure, but I think that for some reason the program got(maybe) slight even slower, but maybe thats just me. Definately no noticeable improvements though.

I added these variables:

Code Select

local cannonRotations={}
local cannonBallRescales={}
local degAccuracy=3.0

I added this to on.construction:

Code Select

if timer.getMilliSecCounter()>prevShootTime+400 and mouseDown==true then
        clickShots=clickShots+SPC
        clickShotsCopy=clickShots
        for i=1, clickShotsCopy do
            createCannonBall(i)
            clickShots=clickShots-1
        end
        prevShootTime=timer.getMilliSecCounter()
    end

I changed on.paint:

Code Select

--rotatedCannon=cannonResource:copy(cannonResource:width()/distancePerPixel()+2, cannonResource:height()/distancePerPixel()+2)
    --rotatedCannon=rotatedCannon:rotate(angle) changed to this:
    rotatedCannon=cannonRotations[enemyID][math.floor(angle/3)+31]
    cannonBallResourceCopy=cannonBallRescales[enemyID]--used to be cannonBallResource:copy(cannonBallResource:width()/distancePerPixel()/2,cannonBallResource:height()/distancePerPixel()/2)

Adriweb · September 07, 2015, 10:40:57 PM

QuoteHow do you save to document/basic vars

That's what you already do, with var.store/var.recall. Avoid that when possible. Use it only to share stuff with other scripts when needed.

Quotewondering whether it is possible to use the gc object outside of the paint function so as to not rewrite the whole screen but to specifically only make the nessesary pixels white so as to erase the previous fram without erasing the screen.

Basically, no. But you can achieve that in a different way, just invalidate part of the window you want to draw in. That will waste much less refreshing/painting time.
See the optional arguments of platform.window:invalidate(): https://wiki.inspired-lua.org/platform.window:invalidate#Syntax

But seriously, read the docs (TI's PDF), it looks like you're missing basic concepts because you just don't know they exist.
Take a look at Inspired-Lua's wiki pages and the good tutorials here: http://compasstech.com.au/TNS_Authoring/Scripting/lua_tutorials.html

Dream of Omnimaga · September 08, 2015, 01:51:39 AM

Wait, TI still documents their stuff in docs? I thought they stopped after 2004 when the 84+ came out?

Adriweb · September 08, 2015, 02:21:56 AM

Yeah, and their Nspire-Lua API PDF is 179 pages long

http://education.ti.com/nspire/scripting-api

Dream of Omnimaga · September 08, 2015, 02:31:45 AM

Nice of them, then. Hopefully semiprocoder finds that helpful.

semiprocoder · September 08, 2015, 08:22:22 PM

The scripting api is what I was using to find functions, except it doesnt fully explain them sometimes. I didn't really look through it, just when I needed to find something I looked through the sections, mainly the painting one. Also I had already started the previous tutorial for lua, but I kind of skipped over it because I wanted to start coding quickly. I will review it more later, but right now I am happy to say that everything now magically works. I still dont know why it was lagging before, but now after I fixed the bugs it doesnt even need me to optimise to only redraw portions of the screen. I don't know why it was lagging before and stopped, but im happy it did.

Now all I have to do is add more enemies and textures for them.

Anyways, here is the new code:

Learn to Fly Idle:

Code Select

--variables
local screen=platform.window
local screenWidth=screen:width()
local screenHeight=screen:height()

local mouseX=0.0
local mouseY=0.0
--cannon vars
local cannonResource=image.new(_R.IMG.cannon)
local cannonBallResource=image.new(_R.IMG.cannonBall)
local AS=0.0
local ASR=0.0
local damage=1.0
local damageR=1.0
local bulletSpeed=60.0--per quarter sec
local bulletSpeedR=60.0
local angle=0.0
local SPC=1.0
local SPCR=1.0
local clickResetTime=300.0
--upgrades

--damage upgrades
local uDamageCost=1.0
local uDamageCostR=1.0
local damageVelocity=1.0
local damageVelocityR=1.0
local damageVelocityMultiplier=1.25
local uDamageAdder=2.0
local uDamageMultiplier=1.5

--bullet upgrades
local uBulletSpeedCost=5.0
local uBulletSpeedCostR=5.0
local bulletSpeedVelocity=12.0
local bulletSpeedVelocityR=12.0
local bulletSpeedAcceleration=2.5
local uBulletSpeedAdder=2.0
local uBulletSpeedMultiplier=1.6

--shotsPerClickUpgrades
local uSPCC=10.0
local uSPCCR=10.0
local SPCV=0.1
local uSPCVR=0.1
local SPCVM=1.1
local uSPCM=1.5
local uSPCA=1.3
local clickShots=0.0

--automatic shooting
local uASC=6.0
local uASCR=6.0
local ASV=0.1
local ASVM=1.1
local uASM=1.5
local uASA=2.0
local autoShots=0.0
local prevAutoShotTime=0.0

local upgradeCostMultiplier=1.5
local upgradeCostAddition=2.5--mainly for begining to make expensive later
--misc
local cannonBalls={0}--first velocity vector, then coords
local airVecMultiplier=0.985--per 5 distance
local gravity=9.5--per sec

local cannonLength=300/32

local money=0.0
local prevDisplayTime=0.0
--'enemy' vars
local enemies={{"snowman", image.new(_R.IMG.snowman), 4.0, 300.0, 1.0, 225.0, 50.0, 75.0}, {"snowman", image.new(_R.IMG.snowman), 15.0, 450.0, 4.0, 375.0, 50.0, 75.0}, {"snowman", image.new(_R.IMG.snowman), 30.0, 700.0, 10.0, 600.0, 60.0, 90.0}}
--first goes display name[1], pic[2], then maxHealth[3], then distance[4], then worth[5], then width[7], then startX[6], then Height[8]
local enemyID=1
local maxEnemyIDAllowed=1
local amountEnemies=3
local enemyHealth=4.0

local mouseDown=false

local prevShootTime=0.0
--values for quicksine calculator
local sineIndex={0.001745, 0.003491, 0.005236, 0.006981, 0.008727, 0.010472, 0.012217, 0.013962, 0.015707, 0.017452, 0.019197, 0.020942, 0.022687, 0.024432, 0.026177, 0.027922, 0.029666, 0.031411, 0.033155, 0.034899, 0.036644, 0.038388, 0.040132, 0.041876, 0.043619, 0.045363, 0.047106, 0.048850, 0.050593, 0.052336, 0.054079, 0.055822, 0.057564, 0.059306, 0.061049, 0.062791, 0.064532, 0.066274, 0.068015, 0.069756, 0.071497, 0.073238, 0.074979, 0.076719, 0.078459, 0.080199, 0.081939, 0.083678, 0.085417, 0.087156, 0.088894, 0.090633, 0.092371, 0.094108, 0.095846, 0.097583, 0.099320, 0.101056, 0.102793, 0.104528, 0.106264, 0.107999, 0.109734, 0.111469, 0.113203, 0.114937, 0.116671, 0.118404, 0.120137, 0.121869, 0.123601, 0.125333, 0.127065, 0.128796, 0.130526, 0.132256, 0.133986, 0.135716, 0.137445, 0.139173, 0.140901, 0.142629, 0.144356, 0.146083, 0.147809, 0.149535, 0.151261, 0.152986, 0.154710, 0.156434, 0.158158, 0.159881, 0.161604, 0.163326, 0.165048, 0.166769, 0.168489, 0.170209, 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44.226771, 44.266763, 44.306782, 44.346829, 44.386903, 44.427004, 44.467133, 44.507289, 44.547473, 44.587685, 44.627925, 44.668193, 44.708488, 44.748812, 44.789164, 44.829544, 44.869952, 44.910389, 44.950855, 44.991348, 45.031871, 45.072422, 45.113002, 45.153611, 45.194249, 45.234915, 45.275611, 45.316336, 45.357091, 45.397875, 45.438688, 45.479531, 45.520403, 45.561305, 45.602237, 45.643199, 45.684191, 45.725213, 45.766265, 45.807347, 45.848460, 45.889603, 45.930776, 45.971980, 46.013215, 46.054480, 46.095777, 46.137104, 46.178462, 46.219852, 46.261273, 46.302725, 46.344208, 46.385723, 46.427270, 46.468848, 46.510458, 46.552100, 46.593774, 46.635480, 46.677218, 46.718988, 46.760791, 46.802626, 46.844494, 46.886394, 46.928327, 46.970293, 47.012292, 47.054324, 47.096389, 47.138488, 47.180620, 47.222785, 47.264984, 47.307216, 47.349482, 47.391782, 47.434117, 47.476485, 47.518887, 47.561324, 47.603795, 47.646300, 47.688841, 47.731416, 47.774025, 47.816670, 47.859350, 47.902065, 47.944815, 47.987600, 48.030422, 48.073278, 48.116171, 48.159099, 48.202063, 48.245063, 48.288100, 48.331173, 48.374282, 48.417427, 48.460610, 48.503829, 48.547085, 48.590378, 48.633708, 48.677075, 48.720480, 48.763922, 48.807402, 48.850920, 48.894475, 48.938069, 48.981700, 49.025370, 49.069078, 49.112824, 49.156610, 49.200434, 49.244296, 49.288198, 49.332139, 49.376119, 49.420139, 49.464198, 49.508297, 49.552435, 49.596614, 49.640832, 49.685091, 49.729390, 49.773729, 49.818109, 49.862530, 49.906992, 49.951495, 49.996039, 50.040624, 50.085251, 50.129919, 50.174629, 50.219381, 50.264174, 50.309010, 50.353889, 50.398810, 50.443773, 50.488779, 50.533828, 50.578921, 50.624056, 50.669235, 50.714457, 50.759723, 50.805033, 50.850386, 50.895784, 50.941226, 50.986713, 51.032244, 51.077820, 51.123441, 51.169107, 51.214819, 51.260575, 51.306378, 51.352226, 51.398120, 51.444060, 51.490046, 51.536079, 51.582159, 51.628285, 51.674458, 51.720678, 51.766946, 51.813261, 51.859624, 51.906034, 51.952493, 51.998999, 52.045554, 52.092158, 52.138810, 52.185511, 52.232262, 52.279061, 52.325911, 52.372809, 52.419758, 52.466757, 52.513806, 52.560905, 52.608055, 52.655256, 52.702507, 52.749810, 52.797165, 52.844571, 52.892029, 52.939539, 52.987101, 53.034715, 53.082382, 53.130102, 53.177875, 53.225702, 53.273581, 53.321515, 53.369502, 53.417544, 53.465640, 53.513790, 53.561995, 53.610255, 53.658571, 53.706942, 53.755368, 53.803850, 53.852389, 53.900984, 53.949635, 53.998343, 54.047109, 54.095931, 54.144812, 54.193749, 54.242745, 54.291800, 54.340912, 54.390084, 54.439314, 54.488604, 54.537953, 54.587362, 54.636831, 54.686360, 54.735950, 54.785600, 54.835312, 54.885084, 54.934919, 54.984815, 55.034773, 55.084794, 55.134877, 55.185023, 55.235233, 55.285505, 55.335842, 55.386243, 55.436708, 55.487237, 55.537832, 55.588491, 55.639216, 55.690007, 55.740864, 55.791788, 55.842778, 55.893834, 55.944959, 55.996150, 56.047410, 56.098738, 56.150134, 56.201600, 56.253134, 56.304738, 56.356412, 56.408155, 56.459969, 56.511854, 56.563811, 56.615838, 56.667938, 56.720109, 56.772353, 56.824670, 56.877060, 56.929523, 56.982061, 57.034672, 57.087358, 57.140120, 57.192956, 57.245868, 57.298857, 57.351921, 57.405063, 57.458281, 57.511578, 57.564952, 57.618405, 57.671936, 57.725546, 57.779236, 57.833006, 57.886857, 57.940788, 57.994800, 58.048894, 58.103070, 58.157328, 58.211669, 58.266094, 58.320602, 58.375194, 58.429871, 58.484633, 58.539481, 58.594414, 58.649434, 58.704541, 58.759735, 58.815017, 58.870387, 58.925845, 58.981394, 59.037031, 59.092759, 59.148578, 59.204488, 59.260489, 59.316583, 59.372769, 59.429049, 59.485422, 59.541890, 59.598452, 59.655110, 59.711864, 59.768714, 59.825661, 59.882705, 59.939848, 59.997089, 60.054430, 60.111870, 60.169410, 60.227052, 60.284795, 60.342640, 60.400588, 60.458639, 60.516795, 60.575055, 60.633420, 60.691891, 60.750468, 60.809153, 60.867945, 60.926846, 60.985856, 61.044976, 61.104206, 61.163547, 61.223000, 61.282566, 61.342245, 61.402038, 61.461945, 61.521968, 61.582107, 61.642363, 61.702737, 61.763229, 61.823840, 61.884571, 61.945423, 62.006397, 62.067492, 62.128711, 62.190054, 62.251521, 62.313114, 62.374834, 62.436681, 62.498656, 62.560760, 62.622994, 62.685359, 62.747855, 62.810484, 62.873247, 62.936144, 62.999177, 63.062346, 63.125652, 63.189097, 63.252681, 63.316405, 63.380270, 63.444278, 63.508430, 63.572726, 63.637167, 63.701755, 63.766490, 63.831375, 63.896409, 63.961594, 64.026931, 64.092422, 64.158067, 64.223868, 64.289826, 64.355941, 64.422216, 64.488652, 64.555249, 64.622010, 64.688935, 64.756025, 64.823283, 64.890709, 64.958305, 65.026072, 65.094011, 65.162124, 65.230413, 65.298879, 65.367523, 65.436346, 65.505352, 65.574540, 65.643912, 65.713470, 65.783217, 65.853152, 65.923278, 65.993597, 66.064111, 66.134820, 66.205727, 66.276834, 66.348142, 66.419653, 66.491369, 66.563293, 66.635425, 66.707768, 66.780324, 66.853094, 66.926082, 66.999288, 67.072716, 67.146366, 67.220242, 67.294345, 67.368679, 67.443244, 67.518043, 67.593080, 67.668355, 67.743872, 67.819633, 67.895640, 67.971897, 68.048405, 68.125167, 68.202187, 68.279466, 68.357008, 68.434815, 68.512890, 68.591237, 68.669858, 68.748756, 68.827934, 68.907396, 68.987145, 69.067184, 69.147516, 69.228145, 69.309074, 69.390307, 69.471847, 69.553699, 69.635865, 69.718350, 69.801158, 69.884292, 69.967757, 70.051556, 70.135695, 70.220177, 70.305007, 70.390189, 70.475728, 70.561629, 70.647897, 70.734535, 70.821551, 70.908947, 70.996731, 71.084907, 71.173481, 71.262458, 71.351845, 71.441646, 71.531869, 71.622519, 71.713603, 71.805128, 71.897099, 71.989524, 72.082410, 72.175764, 72.269594, 72.363906, 72.458710, 72.554012, 72.649822, 72.746147, 72.842996, 72.940379, 73.038304, 73.136780, 73.235819, 73.335429, 73.435620, 73.536405, 73.637793, 73.739795, 73.842424, 73.945692, 74.049610, 74.154192, 74.259451, 74.365401, 74.472055, 74.579429, 74.687537, 74.796396, 74.906021, 75.016429, 75.127638, 75.239665, 75.352531, 75.466253, 75.580853, 75.696351, 75.812770, 75.930132, 76.048462, 76.167783, 76.288122, 76.409506, 76.531963, 76.655523, 76.780217, 76.906077, 77.033136, 77.161432, 77.291000, 77.421881, 77.554116, 77.687748, 77.822824, 77.959392, 78.097504, 78.237213, 78.378578, 78.521659, 78.666522, 78.813236, 78.961875, 79.112517, 79.265247, 79.420156, 79.577340, 79.736904, 79.898961, 80.063633, 80.231052, 80.401362, 80.574719, 80.751295, 80.931278, 81.114876, 81.302316, 81.493853, 81.689770, 81.890386, 82.096056, 82.307188, 82.524243, 82.747753, 82.978336, 83.216711, 83.463732, 83.720419, 83.988010, 84.268032, 84.562405, 84.873600, 85.204892, 85.560778, 85.947732, 86.375693, 86.861389, 87.437441, 88.188073, 90.0}

--image rotations
--first num is always going to be enemyID, because it is going to first be enemyID for scaling, then angle for rotation
local cannonRotations={}
local degAccuracy=3.0

--functions


function fastSin(degree)
    if degree<0 then
        return -fastSin(degree+180)
    elseif degree<=90 then
        degree=degree*10
        degree=math.floor(degree)
        return sineIndex[degree]
    elseif degree>90 and degree<=180 then
        return fastSin(180-degree)
    else
        return -fastSin(degree-180)
    end
end

function fastCos(degree)
    return fastSin(degree-90)
end

function fastTan(degree)
    return fastSin(degree)/fastCos(degree)
end

function fastASin(val)--returns in degrees
    val=val*2000
    val=math.floor(val)
    if val==0.0 then
        return 0.0
    end
    if val>0.0 and val<=2000.0 then
        return aSineIndex[val]
    elseif val<0.0 and val>=-2000.0 then
        return -aSineIndex[-val]
    end
end

function fastACos(val)--returns in degrees
    return (90-fastASin(val))
end

function fastATan(val)--returns in degrees
    newval=math.sqrt(1/(1+math.pow(val,2)))
    if val>0 then
        return fastACos(newval)
    else
        return -fastACos(newval)
    end
end


function on.construction()
    if var.recallAt("dataLFI", 1)~=nil then
        enemyID=var.recallAt("dataLFI", 1)
    end
    if var.recallAt("dataLFI", 2)~=nil then
        maxEnemyIDAllowed=var.recallAt("dataLFI", 2)
    end
    if var.recallAt("dataLFI", 3)~=nil then
        money=var.recallAt("dataLFI", 3)
    end
    if var.recallAt("dataLFI", 4)~=nil then
        damage=var.recallAt("dataLFI", 4)
    end
    if var.recallAt("dataLFI", 5)~=nil then
        damageVelocity=var.recallAt("dataLFI", 5)
    end
    if var.recallAt("dataLFI", 6)~=nil then
       uDamageCost=var.recallAt("dataLFI", 6)
    end
    if var.recallAt("dataLFI", 7)~=nil then
        bulletSpeed=var.recallAt("dataLFI", 7)
    end
    if var.recallAt("dataLFI", 8)~=nil then
        bulletSpeedVelocity=var.recallAt("dataLFI", 8)
    end
    if var.recallAt("dataLFI", 9)~=nil then
       uBulletSpeedCost=var.recallAt("dataLFI", 9)
    end
    if var.recallAt("dataLFI", 10)~=nil then
        SPC=var.recallAt("dataLFI", 10)
    end
    if var.recallAt("dataLFI", 11)~=nil then
        SPCV=var.recallAt("dataLFI", 11)
    end
    if var.recallAt("dataLFI", 12)~=nil then
        uSPCC=var.recallAt("dataLFI", 12)
    end
    if var.recallAt("dataLFI", 13)~=nil then
        AS=var.recallAt("dataLFI", 13)
    end
    if var.recallAt("dataLFI", 14)~=nil then
        ASV=var.recallAt("dataLFI", 14)
    end
    if var.recallAt("dataLFI", 15)~=nil then
        uASC=var.recallAt("dataLFI", 15)
    end
    for i=1, amountEnemies do--theoretically(sort of) goes from -90 to 270 degrees, so 360 degs
        cannonRotations[i]={}
        local tempRescale=cannonResource:copy(cannonResource:width()/distancePerPixell(enemies[i][4])+2, cannonResource:height()/distancePerPixell(enemies[i][4])+2)
        for j=1,360/degAccuracy do
            cannonRotations[i][j]=tempRescale
            cannonRotations[i][j]=cannonResource:rotate((j-360/degAccuracy/4-1)*3)
        end
    end
    
    timer.start(1/30)
end

function norm(x,y)
    return math.sqrt(math.pow(x,2)+math.pow(y,2))
end

function distancePerPixel()
    return enemies[enemyID][4]/screenWidth
end

function distancePerPixell(enemyDist)--doesnt work if last l removed
    return enemyDist/screenWidth
end

function on.timer()
    if timer.getMilliSecCounter()>prevAutoShotTime+1000.0 then
        autoShots=autoShots+AS
        autoShotsCopy=autoShots
        for i=1,autoShotsCopy do
            createCannonBall(i)
            autoShots=autoShots-1
        end
        prevAutoShotTime=timer.getMilliSecCounter()
    end
    numCB=cannonBalls[1]
    for i=2, numCB+1 do
        local temp=false
        if cannonBalls[i]~=nil then 
            velX=cannonBalls[i][1]
            velY=cannonBalls[i][2]
            X=cannonBalls[i][3]
            Y=cannonBalls[i][4]
            prevX=cannonBalls[i][5]
            prevY=cannonBalls[i][6]
            X=X+velX/7.5
            Y=Y+velY/7.5
            velY=velY-gravity/7.5
            while norm(X-prevX,Y-prevY)>=5 and X-prevX>=0 and Y-prevY>=0 do
                velX=velX*airVecMultiplier
                velY=velY*airVecMultiplier
                mag=norm(X-prevX, Y-prevY)
                mag=mag-5
                tempPrevX=prevX
                tempPrevY=prevY
                tempPrevX=X-math.sqrt(math.pow(mag,2)*math.pow(X-prevX,2)/(math.pow(X-prevX,2)+math.pow(Y-prevY,2)))
                tempPrevY=Y-math.sqrt(math.pow(mag,2)*math.pow(Y-prevY,2)/(math.pow(X-prevX,2)+math.pow(Y-prevY,2)))
                prevX=tempPrevX
                prevY=tempPrevY
            end
            if Y<0 or X/distancePerPixel()>screenWidth then
                cannonBalls[i]=nil
                for j=i, numCB do
                    cannonBalls[j]={}
                    for f=1,6 do
                        cannonBalls[j][f]=cannonBalls[j+1][f]
                    end
                end
                cannonBalls[1]=cannonBalls[1]-1
                cannonBalls[numCB+2]=nil
                numCB=numCB-1
                i=i-1
                temp=true
            else
                cannonBalls[i][1]=velX
                cannonBalls[i][2]=velY
                cannonBalls[i][3]=X
                cannonBalls[i][4]=Y
                cannonBalls[i][5]=prevX
                cannonBalls[i][6]=prevY
                if X>=enemies[enemyID][6] and X<=enemies[enemyID][6]+enemies[enemyID][7] then
                    if Y<=enemies[enemyID][8] then
                        enemyHealth=enemyHealth-damage
                        if enemyHealth<=0 then
                            enemyHealth=enemies[enemyID][3]
                            money=money+enemies[enemyID][5]
                            if maxEnemyIDAllowed==enemyID then
                                maxEnemyIDAllowed=enemyID+1
                            end
                        end
                        cannonBalls[i]=nil
                        for j=i, numCB do
                            cannonBalls[j]={}
                            for f=1,6 do
                                cannonBalls[j][f]=cannonBalls[j+1][f]
                            end
                        end
                        cannonBalls[1]=cannonBalls[1]-1
                        cannonBalls[numCB+2]=nil
                        numCB=numCB-1
                        i=i-1
                        temp=true
                    end
                end
            end
        else
            if temp==false then
                for j=i, numCB do
                    cannonBalls[j]={}
                    for f=1,6 do
                        cannonBalls[j][f]=cannonBalls[j+1][f]
                    end
                end
                cannonBalls[1]=cannonBalls[1]-1
                numCB=cannonBalls[1]
                cannonBalls[numCB+2]=nil
                i=i-1
            end
        end
    end
    screen:invalidate()

end

function on.arrowLeft()
    if enemyID>1 then
        enemyID=enemyID-1
        enemyHealth=enemies[enemyID][3]
    end
end

function on.arrowRight()
    if maxEnemyIDAllowed>enemyID and enemies[enemyID+1]~=nil then
        enemyID=enemyID+1
        enemyHealth=enemies[enemyID][3]
    end
end

function createCannonBall(i)
    cannonBalls[cannonBalls[1]+2]={(mouseX-10)/norm(mouseX-10,screenHeight-mouseY+10)*bulletSpeed,(screenHeight-mouseY+10)/norm(mouseX-10,screenHeight-mouseY+10)*bulletSpeed, 10*distancePerPixel()+(32+(i-1)*8*distancePerPixel())*mouseX/norm(mouseX,screenHeight-mouseY),20*distancePerPixel()+(32+(i-1)*8*distancePerPixel())*(screenHeight-mouseY)/norm(mouseX,screenHeight-mouseY), (10)*distancePerPixel()+(32+(i-1)*8*distancePerPixel())*mouseX/norm(mouseX,screenHeight-mouseY), (20)*distancePerPixel()+(32+(i-1)*8*distancePerPixel())*(mouseY-screenHeight)/norm(mouseX,screenHeight-mouseY)}
    cannonBalls[1]=cannonBalls[1]+1
end

function on.mouseDown(x,y)
    mouseDown=true
    if timer.getMilliSecCounter()>prevShootTime+400 and mouseDown==true then
        clickShots=clickShots+SPC
        clickShotsCopy=clickShots
        for i=1, clickShotsCopy do
            createCannonBall(i)
            clickShots=clickShots-1
        end
        prevShootTime=timer.getMilliSecCounter()
    end
end

function on.mouseUp(x,y)
    mouseDown=false--doesnt always update, so I dont use it
end

function on.mouseMove(x,y)
    mouseX=x
    mouseY=y
    angle=fastATan((screenHeight-y-10)/(x-10))
    if angle<0 and screenHeight-y-10>0 then
        angle=angle+180
    end
    if x-10<0 and screenHeight-y-10<0 then
        angle=angle+180
    end
    screen:invalidate()
end

function on.charIn(ch)
    if ch=="1" and uDamageCost<=money then
       damage=damage+damageVelocity
       damageVelocity=damageVelocity*damageVelocityMultiplier
       damage=math.floor(damage)
       money=money-uDamageCost
       uDamageCost=uDamageCost*uDamageMultiplier
       uDamageCost=uDamageCost+uDamageAdder
       uDamageCost=math.floor(uDamageCost)
   elseif ch=="2" and uBulletSpeedCost<=money then
        bulletSpeed=bulletSpeed+bulletSpeedVelocity
        bulletSpeedVelocity=bulletSpeedVelocity*damageVelocityMultiplier
        bulletSpeed=math.floor(bulletSpeed)
        money=money-uBulletSpeedCost
        uBulletSpeedCost=uBulletSpeedCost*uBulletSpeedMultiplier
        uBulletSpeedCost=uBulletSpeedCost+uBulletSpeedAdder
        uBulletSpeedCost=math.floor(uBulletSpeedCost)
   elseif ch=="3" and uSPCC<=money then
        SPC=SPC+SPCV
        SPCV=SPCV*SPCVM
        --SPC=math.floor(SPCV)
        money=money-uSPCC
        uSPCC=uSPCC*uSPCM
        uSPCC=uSPCC+uSPCA
        uSPCC=math.floor(uSPCC)
    elseif ch=="4" and uASC<=money then
        AS=AS+ASV
        ASV=ASV*ASVM
        --AS=math.floor(ASV)
        money=money-uASC
        uASC=uASC*uASM
        uASC=uASC+uASA
        uASC=math.floor(uASC)
   end
   money=math.floor(money)
end

function on.clearKey()
    resetSave()
end

function resetSave()
    uSPCC=uSPCCR
    money=0.0
    SPC=SPCR
    SPCV=SPCVR
    uSPCC=uSPCCR
    AS=ASR
    ASV=ASVR
    uASC=uASCR
    damage=damageR
    damageVelocity=damageVelocityR
    uDamageCost=uDamageCostR
    bulletSpeed=bulletSpeedR
    bulletSpeedVelocity=bulletSpeedVelocityR
    uBulletSpeedCost=uBulletSpeedCostR
    enemyID=1
    maxEnemyIDAllowed=1
    enemyHealth=enemies[enemyID][3]
    var.store("uSPCCLFI", nil)
    var.store("moneyLFI", nil)
    var.store("SPCLFI", nil)
    var.store("SPCVLFI", nil)
    var.store("uSPCCLFI", nil)
    var.store("ASLFI", nil)
    var.store("ASVLFI", nil)
    var.store("uASCLFI", nil)
    var.store("damageLFI", nil)
    var.store("damageVelocityLFI", nil)
    var.store("uDamageCostLFI", nil)
    var.store("bulletSpeedLFI", nil)
    var.store("bulletSpeedVelocityLFI", nil)
    var.store("uBulletSpeedCostLFI", nil)
    var.store("enemyIDLFI", nil)
    var.store("maxEnemyIDAllowedLFI", nil)
    var.store("dataLFI", {enemyID, maxEnemyIDAllowed, money, damage, damageVelocity, uDamageCost, bulletSpeed, bulletSpeedVelocity, uBulletSpeedCost, SPC, SPCV, uSPCC, AS, ASV, uASC})
end

function on.deactivate()
    var.store("dataLFI", {enemyID, maxEnemyIDAllowed, money, damage, damageVelocity, uDamageCost, bulletSpeed, bulletSpeedVelocity, uBulletSpeedCost, SPC, SPCV, uSPCC, AS, ASV, uASC})
end

function on.destroy()
    var.store("dataLFI", {enemyID, maxEnemyIDAllowed, money, damage, damageVelocity, uDamageCost, bulletSpeed, bulletSpeedVelocity, uBulletSpeedCost, SPC, SPCV, uSPCC, AS, ASV, uASC})
end

function on.paint(gc)
    rotatedCannon=cannonRotations[enemyID][math.floor(angle/3)+31]
    gc:drawImage(rotatedCannon, 10+1*math.cos(angle/180*math.pi), screen:height()-10-(1*math.sin(angle/180*math.pi))-rotatedCannon:height())
    gc:drawLine(0, 50, screen:width(), 50)  
    --text allignment is reversed comp to calc
    --cannonball displaying
    numCB=cannonBalls[1]
    for i=2,numCB+1 do
        if cannonBalls[i]~=nil then
            if cannonBalls[i][3]/distancePerPixel()<screenWidth then
                gc:fillArc(cannonBalls[i][3]/distancePerPixel(), screenHeight-cannonBalls[i][4]/distancePerPixel(), 12/distancePerPixel(), 12/distancePerPixel(), 0, 360)
            end
        end
    end
    --displaying the enemy
    enemyImage=enemies[enemyID][2]:copy(enemies[enemyID][7]/distancePerPixel(), enemies[enemyID][8]/distancePerPixel())
    gc:drawImage(enemyImage, enemies[enemyID][6]/distancePerPixel(), screenHeight-enemies[enemyID][8]/distancePerPixel())
    
    --stats
    gc:drawString("health: "..enemyHealth, screenWidth-gc:getStringWidth("health: "..enemyHealth), 0, "top")
    gc:drawString("dist: "..enemies[enemyID][6], screenWidth-gc:getStringWidth("dist: "..enemies[enemyID][6]), gc:getStringHeight("health: "..enemyHealth), "top")
    gc:drawString("$"..money.." X: "..mouseX.." Y: "..mouseY.." SPC: "..math.floor(SPC*10)/10, 0, 0, "top")

end

Upgradetab:

Code Select


screen=platform.window
screenWidth=screen:width()
screenHeight=screen:height()

function on.activate()
    screen:invalidate()
end

function on.paint(gc)
    SH=gc:getStringHeight("d")
    if var.recallAt("dataLFI",4)~=nil and var.recallAt("dataLFI",6)~=nil then
        gc:drawString("D: "..var.recallAt("dataLFI",4).." uDC: "..var.recallAt("dataLFI",6), 0, 0, "top")
    end
    if var.recallAt("dataLFI",7)~=nil and var.recallAt("dataLFI",9)~=nil then
        gc:drawString("BS: "..var.recallAt("dataLFI",7).." uBSC: "..var.recallAt("dataLFI",9), 0, SH, "top")
    end
    if var.recallAt("dataLFI",10)~=nil and var.recallAt("dataLFI",12)~=nil then
        gc:drawString("SPC: "..var.recallAt("dataLFI",10).." uSPCC: "..var.recallAt("dataLFI",12), 0, SH*2, "top")
    end
    if var.recallAt("dataLFI",13)~=nil and var.recall("dataLFI",15)~=nil then
        gc:drawString("AS: "..var.recallAt("dataLFI",13).." uASC: "..var.recallAt("dataLFI",15), 0, SH*3, "top")
    end
    gc:drawString("screenHeight= "..screenHeight, 0, SH*4, "top")
end

Adriweb · September 08, 2015, 09:15:01 PM

I repeat, do NOT use var.recall (and derivatives) as often, especially in on.paint. It slows everything down, and is quite useless anyway, since you can receive an event when the value changes (instead of always asking the OS to go fetch it even if it didn't change at any repaint). See https://wiki.inspired-lua.org/on.varChange

semiprocoder · September 08, 2015, 11:17:52 PM

I only do it in on.paint because I only run the method when I open the upgrade tab, so it only runs once, which makes it fine. If I would run it more that once I would certainly not put it in the on.paint method. I know I should move it for good coding style, but eh.

Anyways, thank you all for helping me!

semiprocoder · September 09, 2015, 12:57:07 AM

I made the graphics my own, though they look bad, but I had to make the images my own.

Also I guess I will post this to the code showcase directory.

Dream of Omnimaga · September 09, 2015, 02:22:22 AM

Have you gotten your issues solved semiprocoder? If so then I'm glad to read.

As future (off-topic) advice, though, when you want to add something to your previous post in less than 24 hours (or around 6 for major project updates), you should use the Modify button, since double-posting is considered as bad forum etiquette.

semiprocoder · September 11, 2015, 02:40:19 AM

Alright I will not double post from now on. Thank you for your advice!

Dream of Omnimaga · September 11, 2015, 06:03:13 AM

No problem, I hope to see more games from you in the future. Feel free to ask help if you ever need more and can't find anything in the doc or online.