I neaded a fx to give my 3d a snes look.

This uses the render to image to give all 3d a pixelated look without shaders.

                                    ` This code was downloaded from The Game Creators
                                    ` It is reproduced here with full permission
                                    ` http://www.thegamecreators.com
                                    
                                    // Project: pixel 3d fx 
// Created: 2018-08-11

// show all errors
SetErrorMode(2)

// set window properties
SetWindowTitle( "pixel 3d fx" )
SetWindowSize( 1024, 768, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window

// set display properties
SetVirtualResolution( 1024, 768 ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( 0, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
UseNewDefaultFonts( 1 ) // since version 2.0.22 we can use nicer default fonts

obj=CreateObjectBox(10,10,10)
for t=1 to 1000
    ob=instanceobject(obj) //CreateObjectBox(10,10,10)
    setobjectposition(ob,0-200+random(0,400),0-50+random(0,100),0-180+random(0,360))
    setobjectcolor(ob,random(0,255),random(0,255),random(0,255),255)
next t


setcameraposition(1,0,240,-350)
setcamerarotation(1,45,0,0)
ang=0

pixel_scale=2

Capture=CreateRenderImage( 1024/pixel_scale, 1024/pixel_scale, 0, 0 ) 
canvas=1
spr=createsprite(0)
Setspritesize(spr,1024,1024)
time=120
do
    //setobjectvisible(obj,1)
    SetRenderToImage(Capture,0)
    //setspriteposition(spr,0-10000,0)
    displayed=0
    dec ang,2
    for t=obj to obj+1000
        setobjectrotation(t,0,ang,0)
        setobjectvisible(t,1)
        if GetObjectInScreen( t ) then inc displayed
        DrawObject(t)
        setobjectvisible(t,0)
    next t
    SetRenderToScreen()
    
    if getimageexists(canvas) then deleteimage(canvas)
    canvas=copyimage(Capture,0,0,1024/pixel_scale,1024/pixel_scale)
    SetImageMagFilter(canvas,0)
	SetImageMinFilter(canvas,0)  
    setspriteimage(spr,canvas)
    //setspriteposition(spr,0,0)
    print("No shader realtime 3d pixel fx in app game kit by the gamecreators.")
    print("Experimental fx for not another retro pixel game")
    print("All source code at the gamecreators forum")
    print("objects = "+str(displayed))
    Print( ScreenFPS() )
    
    dec time
    if time<0
	   time=120
	   inc pixel_scale,2
	   if pixel_scale>20 then pixel_scale=2
	   deleteimage(capture)
	   Capture=CreateRenderImage( 1024/pixel_scale, 1024/pixel_scale, 0, 0 )
	   SetImageMagFilter(capture,0)
	   SetImageMinFilter(capture,0)  
	endif
    Sync()
    SetRenderToImage (Capture,0) 
    ClearScreen()
    //sleep(6000)
loop