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Im just a dude watching over my parents,
and trying to make cartoons and video games from home.
and trying to make cartoons and video games from home.
Script: Degrees To Four Way Direction [JS]
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Script Title: degToFourDir
Programming Language: Java Script
Date Completed: 2012/09/02
Purpose: To determine the direction something is from degrees. Returns a number between 0-3.
Description: Determine the direction something is based on a four way system of direction from degrees. Determines the direction using four directions, returns a number ( 0,1,2,3 ), returns NaN (Not a Number) if the degrees argument is not a number, is a value greater than 360 or is a value lesser than -360.
Returned Values:
0 – Top
1 – Right
2 – Bottom
3 – Left
NaN – If the degrees_n argument is not valid
Method:
degToFourDir ( degrees_n ); // Returns a number
Arguments: degrees_n, accepts a number between -360 to 360.
Example Usage:
degToFourDir ( 180 ); // Returns 2
degToFourDir ( -180 ); // Returns 2
degToFourDir ( 760 ); // Returns NaN
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