TheGameCreators - CodeBase - Basic Day/Night Cycle

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Category: Light

Version: 1.0

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Uploaded: 6th Nov 2004 23:06

Modified: 1st Jan 1970 01:00

Author: MikeS

Summary

A barebones Day/Night Cycle.

Full Description

A barebones Day/Night Cycle. Almost all games have them, so it's important you get them in your games, so you can make that standard. This will teach you how to manipulate lighting and color to make an appearrance of day and night.

DarkBASIC Professional Source Code

` This code was downloaded from The Game Creators

` It is reproduced here with full permission

` http://www.thegamecreators.com

sync on : sync rate 60

set display mode 1024,768,32

make object cube 1,1 `Dummy object so we can view effects of lighting and backdrop

SkyChange=4 `How fast the day/night cycles. Larger values increase the cycle length.

do `Initialize our loop

gosub SkyCycle `Go to our gosub

sync `Refresh the screen

loop `Loop our loop

SkyCycle: `Here's our gosub

DayNight=DayNight+1

if DayNight=SkyChange `Basically, when DayNight= our Skychange variable, it's updated.

if Darken>199 then Add=0 `These two lines tell us whether to darken or lighten the sky.

if Darken<1 then Add=1

If Add=1 then Darken=Darken+1 `If we need more light add it.

If Add=0 then Darken=Darken-1 `If we need less light, take it away

set ambient light Darken      `Increase or decrease the scene lighting

`These next two parts are where the sky actually changes color.

`The backdrop won't effect objects, but the ambient lights will.

if Add=1

COLOR BACKDROP rgb(0,0,55+Darken)

color ambient light rgb(55+Darken,55+Darken,55+Darken)

else

COLOR BACKDROP rgb(55,55,55+Darken)

color ambient light rgb(55+Darken,55+Darken,55+Darken)

endif

DayNight=0

endif

Return

`Feel free to tweak this command as you like.

`:)

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Author Name:	MikeS
CodeBase Entries:	24

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