Twenty four hours of programming in the last year to bring you all one of my best programs yet. This newly enhanced version of my day/night simulator used in my DBZ Trunks RPG feat

                                    ` This code was downloaded from The Game Creators
                                    ` It is reproduced here with full permission
                                    ` http://www.thegamecreators.com
                                    
                                    REM :: ADVANCED DAY/NIGHT SIMULATION
REM :: TENSHIN SOFT :: 2004-2005
REM :: AUTHOR: KUDOU-YUSAKU

sync on : sync rate 60
set display mode 1024,768,32
fog on : fog distance 8000
hide mouse : autocam off
set camera range 5,10000

rem Make a sphere and set culling on to show both sides so we can see the inside of the sphere (like a sky).
make object sphere 1,9000
set object 1,1,1,0
color object 1,rgb(150,180,255)

rem Put some random objects around the level so you can see the change of light better
for o=2 to 20
make object cube o,25
position object o,rnd(100*o),12.5,rnd(100*o)
next o

rem Make an Extra Light
make light 1 : set directional light 1,0,0,0
color light 1,rgb(0,0,50)
make light 2 : set directional light 2,0,0,0
color light 2,rgb(0,0,50)

rem Make a Sun
Sun=21
make object sphere Sun,200
color object Sun,rgb(225,180,1)
set object Sun,1,1,1,1,0,1,0

rem Make a Moon
Moon=22
make object sphere Moon,200
color object Moon,rgb(150,171,150)
set object Moon,1,1,1,1,0,1,1

rem Make a matrix texture
create bitmap 1,64,64 : cls rgb(0,155,0) : ink rgb(0,145,0),0 : box 4,4,12,12
get image 1,0,0,64,64 : delete bitmap 1

rem Make a matrix to move on
make matrix 1,3000,3000,3,3
prepare matrix texture 1,1,64,64

rem If you are going to use a save game function, then take out this next line
rem ... and use the variable you load from that instead. Otherwise, the default
rem ... time starts at 2AM here, just because.
oclock=0

rem Pre-Set Values
day=0
srotate#=270
mrotate#=90
cx#=500
cz#=500

do

rem Print Values
set text font "Verdana"
ink rgb(255,255,255),1
set text to bold
set text size 20
set text to italic

oclock$=str$(oclock)
rt2$=str$(realtime#)
amb$=str$(amb#)
rgb$=str$(rgb#)
ls$=str$(lspeed#)
fps$=str$(fps#)
days$=str$(day-1)
hr$=str$(hr)

   `center text 320,25,"Framerate: "+fps$
   text 25,25,oclock$+":"+rt$+" "+xm$
   text 25,50,"Hours: "+hr$
   text 25,75,"Days: "+days$
   text 25,100,"Sr: "+str$(int(srotate#))
   text 25,125,"Sx: "+str$(int(sunx#))+" | Sy: "+str$(int(suny#))+" | Sz: "+str$(int(sunz))

rem Positoin Camera
position camera cx#,10,cz#

rem Move the camera around with this
if upkey()=1 then cx#=newxvalue(cx#,ca#,1):cz#=newzvalue(cz#,ca#,1)
if downkey()=1 then cx#=newxvalue(cx#,ca#,-1):cz#=newzvalue(cz#,ca#,-1)
if leftkey()=1 then ca#=wrapvalue(ca#-1)
if rightkey()=1 then ca#=wrapvalue(ca#+1)
   rotate camera cax#,ca#,caz#
   cax#=wrapvalue(cax#+mousemovey()*0.3)
   ca#=wrapvalue(ca#+mousemovex()*0.3)
         if cax#=<300 and cax#=>90 then cax#=300
         if cax#=>60 and cax#=<89 then cax#=60

rem Call on the time control
GOSUB TIME_CONTROL

rem Call on the satellite control
GOSUB SAT_CONTROL

sync
loop





rem This is the real-time Day/Night Simulator
TIME_CONTROL:

`Time Speed / Rationale
`Change timespeed# to .03 for a reasonable time for real games. .530 is very fast and is for showing how the time works.
timespeed#=0.300
realtime#=realtime#+timespeed#

`Lights and Fog
fog color rgb(red#,green#,blue#)
`
color light 0,rgb(red#,green#,blue#)
set directional light 0,1,1,1

`Red
if rl=0
   rl#=rl#-(timespeed#*0.30)
   if rl#=<0 then rl#=0
endif
if rl=1
   rl#=rl#+(timespeed#*0.18)
   if rl#=>255 then rl#=255
endif
`Green
if gl=0
   gl#=gl#-(timespeed#*0.35)
   if gl#=<0 then gl#=0
endif
if gl=1
   gl#=gl#+(timespeed#*0.16)
   if gl#=>255 then gl#=255
endif
`Blue
if bl=0
   bl#=bl#-(timespeed#*0.41)
   if bl#=<50 then bl#=50
endif
if bl=1
   bl#=bl#+(timespeed#*0.25)
   if bl#=>255 then bl#=255
endif

`On the clock - Red
if oclock=>4 and oclock=<16 then rl=1
if oclock=>17 and oclock=<23 then rl=0
if oclock=>0 and oclock=<3 then rl=0
`On the clock - Green
if oclock=>5 and oclock=<17 then gl=1
if oclock=>18 and oclock=<23 then gl=0
if oclock=>0 and oclock=<4 then gl=0
`On the clock - Blue
if oclock=>0 and oclock=<3 then bl=0
if oclock=>6 and oclock=<18 then bl=1
if oclock=>19 and oclock=<23 then bl=0
`
if oclock=24 then oclock=0
if oclock=>0 and oclock=<11 then xm$="AM"
if oclock=>12 and oclock=<23 then xm$="PM"
`
   if oclock=0 and dstop=0 then day=day+1 : dstop=1
   if oclock>1 then dstop=0

`Denote Time
if realtime#=>0 and realtime#<10 then rt$="0"+str$(int(realtime#))
if realtime#>=10 and realtime#<60 then rt$=str$(int(realtime#))
if realtime#=>60 then oclock=oclock+1 : realtime#=0
if realtime#=0 then hr=hr+1

`Altering Variables
amb#=1+rl#*1.5
   red#=rl#*1.5
      green#=gl#*1.0
         blue#=bl#*1.5

if red#=>255 then red#=255 : if red#=<0 then red#=0
if green#=>255 then green#=255 : if green#=<0 then green#=0
if blue#=>255 then blue#=255 : if blue#=<0 then blue#=0

`Ambient Control
if amb#=<20 then amb#=20
if amb#=>75 then amb#=75
set ambient light amb#
RETURN





rem This is where the moon and the sun rotate around the landscape
SAT_CONTROL:

rem Sun
swide#=2500
if oclock=>0 and oclock=<22
   sunx#=swide#*cos(srotate#)
   suny#=swide#*sin(srotate#)
   sunz#=swide#*sin(srotate#)
      position object Sun,sunx#+camera position x(),suny#+camera position y(),sunz#+camera position z()
      suntime#=suntime#+timespeed#
      srotate#=suntime#*(timespeed#/1.5)
      srotate#=wrapvalue(srotate#)-75
endif
rem Sun's Light
`
color light 1,rgb(red#,green#/2.5,0)
set light to object position 1,Sun
point object Sun,cx#,cy#,cz#
set light to object orientation 1,Sun
`
if oclock=23
   sunx#=swide#*cos(srotate#)
   suny#=swide#*sin(srotate#)
   sunz#=swide#*sin(srotate#)
      position object Sun,sunx#+camera position x(),suny#+camera position y(),sunz#+camera position z()
      suntime#=0
      srotate#=suntime#*(timespeed#/1.5)
      srotate#=wrapvalue(srotate#)-75
endif


rem Moon
mwide#=-2200
moonx#=mwide#*cos(mrotate#)
moony#=mwide#*sin(mrotate#)
moonz#=mwide#*sin(mrotate#)
   position object Moon,moonx#+camera position x(),moony#+camera position y(),moonz#+camera position z()
   moontime#=moontime#+timespeed#
   mrotate#=moontime#*(timespeed#/1.15)
   mrotate#=wrapvalue(mrotate#)+245
rem Moon's Light
`
color light 2,rgb(0,green#/5,blue#)
set light to object position 2,Moon
point object Moon,cx#,cy#,cz#
set light to object orientation 2,Moon

RETURN