TheGameCreators - CodeBase - Dark Spot --- eye illusion

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Category: Basic 2D

Version: 1.0

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Uploaded: 8th Nov 2007 05:27

Modified: 1st Jan 1970 01:00

Author: Flyin Mushroom

Summary

A simple code of a 2D line pattern that plays a illusion on the eyez.

Full Description

DarkBASIC Source Code

` This code was downloaded from The Game Creators

` It is reproduced here with full permission

` http://www.thegamecreators.com

hide mouse : sync on

set text font "arial" : set text size 18

ink rgb(230,230,230),1

line 1,1,639,1 : line 1,479,639,479

line 1,1,1,479 : line 639,1,639,479

ink rgb(130,130,130),1

for x=100 to 500 step 25

box x,10,x+5,200 : next x

for y=5 to 185 step 25

box 100,y,500,y+5 : next y

line 100,200,500,200

ink rgb(70,70,0),1

for a=1 to 9

read a$

text 115,200+(a*20),a$

next a

suspend for key

data "Notice where the lines intersect"

data "This illusion is similar to the concept called Lateral Inhibition."

data "It is an example of how contrast affects color perception."

data "This is because in the retina when some light-receiving cells are"

data "activated, others around them shut down."

data "When you look at the intersections, the cells in the retina are surrounded"

data "on four sides by other cells that are also receiving light."

data "They are therefore more inhibited than the cells focused on"

data "the lines. It is their inhibition that causes the DARK spots to appear."

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Author Name:	Flyin Mushroom
CodeBase Entries:	5

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