NaaLaa - Space Pooper (N7)

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Do you still remember https://naalaa.com/forum/thread-9.html Space Pooper N6 by JSM (John Master) ?

What if ... there's an N7 version coming ?
Could Space Pooper N7 be real ?

Stay tuned ... the countdown has begun

Looking forward to it! Shame it only has one level Sad

I remember it... I still have it installed within N6.... Cool game... But yes, extra levels would be nice...

Good luck with an N7 version... So many libraries... Tilemap, Speed, Keycodes, Random, BezierCurve, SimpleParticle and Bass. (Speed and Keycodes may not be needed). But sounds like fun. Looking forward to any attempt... Yes! A shootem-up!!

John used music made by me on Amiga, a long time ago. Is it in mod/xm format? N7 only supperts wav and mp3, but I think you can export music in those formats in ModPlug Tracker.

(08-14-2026, 05:22 AM)Marcus Wrote: [ -> ]John used music made by me on Amiga, a long time ago. Is it in mod/xm format? N7 only supperts wav and mp3, but I think you can export music in those formats in ModPlug Tracker.

[attachment=620]
click the image to zoom in

It's a little strange - I can't find any music files in MOD or XM format in the Space Pooper assets folder. They may have been accidentally lost or deleted somehow.

As you can see in the attached image, the assets folder only contains some *.png, *.txt and *wav files. That's why I don't hear any background music during gameplay. Confused

(08-14-2026, 06:08 AM)1micha.elok Wrote: [ -> ]
(08-14-2026, 05:22 AM)Marcus Wrote: [ -> ]John used music made by me on Amiga, a long time ago. Is it in mod/xm format? N7 only supperts wav and mp3, but I think you can export music in those formats in ModPlug Tracker.

click the image to zoom in

It's a little strange - I can't find any music files in MOD or XM format in the Space Pooper assets folder. They may have been accidentally lost or deleted somehow.

As you can see in the attached image, the assets folder only contains some *.png, *.txt and *wav files. That's why I don't hear any background music during gameplay.

Ah, okay, sorry, my bad! There was music in the version I used for this YouTube video:

(08-14-2026, 12:29 PM)Marcus Wrote: [ -> ]
(08-14-2026, 06:08 AM)1micha.elok Wrote: [ -> ]
(08-14-2026, 05:22 AM)Marcus Wrote: [ -> ]John used music made by me on Amiga...
click the image to zoom in
It's a little strange - I can't find any music files ...
Ah, okay, sorry, my bad! There was music in the version I used for this YouTube video:
...

Don't worry, I can try to extract the title background music from your YouTube video. Hopefully, it works out okay.
[title.mp3]

(08-13-2026, 08:12 PM)johnno56 Wrote: [ -> ]I remember it... I still have it installed within N6.... Cool game... But yes, extra levels would be nice...

Good luck with an N7 version... So many libraries... Tilemap, Speed, Keycodes, Random, BezierCurve, SimpleParticle and Bass. (Speed and Keycodes may not be needed). But sounds like fun. Looking forward to any attempt... Yes! A shootem-up!!

Though the Space Pooper - N6 version uses 7 libraries, I think the N7 version only needs to use

`tilemap.n7` (= `tilemap.lib`)
`polyline.n7` (= `BezierCurve.lib`)

The other libraries such as

`Speed.lib` (frame rates),
`Keycodes.lib` (keyboard keys),
`Random.lib` (random numbers),
`SimpleParticle.lib`,
`bass.lib` (audio)

... are no longer needed... I think Big Grin

In the meantime, I am thinking about adding more levels to the N7 game version and making a few small adjustments.

If memory serves correctly, I believe that BezierCurve, is needed to create the "path" for the attacking enemy to follow and polyline would be used to create polygons... but I could be wrong... lol Still sounds like a fun project! All the best!

(08-15-2026, 12:14 PM)johnno56 Wrote: [ -> ]... Still sounds like a fun project! All the best!

File [simple.zip]

This week progress :
- scrolling tilemap
- generating path using polyline
- adding background music

Next :
- bullets
- shooting
- collision detection
- more levels
- title screen
- boss level
- bonus, power up, shield
- Big Grin

Code:
' ==========

' Path Demo 

' ==========

#win32

include "tilemap.n7"

include "polyline.n7"

set window "Path Demo", 256, 240, false, 2

set redraw off

randomize time()

visible player, enemy

visible backMusic

visible ply = []

visible enemies = dim(5)

visible scrollY, scrollTimer

'----------------

' Initialization

'----------------

LoadAssets()

InitPlayer()

InitEnemies()

'loop background music

play music backMusic,true 

'tilemap background

if TM_LoadMap("assets/1.txt") = 0 then end

scrollY = TM_MapHeight() * 16 - height()

TM_SetView(0, 0, width(), height())

TM_SetCamera(16, scrollY)

'------------

' Main Loop

'------------

while not keydown(KEY_ESCAPE, true)

    'clear screen

    set color 0, 0, 0; cls

    set color 255, 255, 255

    'tilemap scrolling

    scrollTimer = (scrollTimer + 1) % 4

    if scrollTimer = 0 then

        scrollY = scrollY - 1

        if scrollY <= 0 then scrollY = TM_MapHeight() * 16 - height()

    endif

    ' Check if current wave is completely cleared

    if WaveClear() then SpawnWave()

    UpdatePlayer()

    UpdateEnemies()

    'tilemap camera

    TM_SetCamera(int(ply.x) * 32 / width(), scrollY)

    TM_Render()

    DrawObject(ply)

    for i = 0 to 5 - 1

        if enemies[i].img <> 0 then DrawObject(enemies[i])

    next

    redraw

    fwait 60

wend

end

'------------

' Functions

'------------

function LoadAssets()

    player = loadimage ("assets/player.png")

    set image colorkey player, 255,0,255

    set image grid player, 2, 1

    enemy = loadimage ("assets/enemy_1.png")

    set image colorkey enemy, 255,0,255

    set image grid enemy, 4, 2

    backMusic = loadmusic("assets/title.mp3")

endfunc

function InitPlayer()

    ply.x = width() / 2

    ply.y = height() - 100

    ply.img = player

    ply.cel = 0

    ply.t = 0

endfunc

function UpdatePlayer() 

    ply.t = (ply.t + 1) % 8

    if ply.t = 0 then ply.cel = 1 - ply.cel

endfunc

function InitEnemies()

    for i = 0 to 5 - 1

        enemies[i] = []

        enemies[i].img = 0

    next

endfunc

function WaveClear()

    for i = 0 to 5 - 1

        if enemies[i].img <> 0 then return false

    next

    return true

endfunc

function SpawnWave()

    wavePath = GenCirclePath()

    for i = 0 to 5 - 1

        enemies[i].img = enemy

        enemies[i].cel = 0

        enemies[i].dist = -(i) * 50

        enemies[i].spd = 2

        enemies[i].f = 0

        enemies[i].w = width(enemy)

        enemies[i].h = height(enemy)

        enemies[i].path = wavePath

    next

endfunc

' Generate path using polyline

function GenCirclePath()

    points = []

    cx = width() / 2

    cy = height() / 2

    r = 100

    ' Entry point

    points[0] = [rnd(width()), -20]

    ' circle points 

    steps = 36

    for i = 0 to steps

        angle = rad(i * 360 / steps) - PI / 2.0

        px = cx + cos(angle) * r

        py = cy + sin(angle) * r

        points[sizeof(points)] = [px, py]

    next

    ' Exit point

    points[sizeof(points)] = [360, height()]

    return PolyLine(points, false)

endfunc

function UpdateEnemies()

    for i = 0 to 5 - 1

        if enemies[i].img <> 0 then

            e = enemies[i]

            e.dist = e.dist + e.spd

            if e.dist < 0 then

                enemies[i].x = -100

                enemies[i].y = -100

            elseif e.dist >= e.path.GetLength() then

                enemies[i].img = 0

            else

                pos = e.path.GetPoint(e.dist, false)

                enemies[i].x = pos[0] - e.w / 2

                enemies[i].y = pos[1] - e.h / 2

                enemies[i].f = (enemies[i].f + 1) % 8

                if enemies[i].f = 0 then enemies[i].cel = (enemies[i].cel + 1) % cols(enemy)

            endif

        endif

    next

endfunc

function DrawObject(o)

    draw image o.img, int(o.x), int(o.y), o.cel

endfunc

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