Cartesian coordinates
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Definition
The Cartesian coordinate system is the one that is familiar for most people. To describe a point the distance in horizontal, vertical and depth directions are used. The axes that define Cartesian coordinates can be placed almost anywhere, and in fact, do not need to be perpendicular to each other. For more information about the various Cartesian coordinate systems used in games, see coordinate systems.
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Conversion from cylindrical coordinates
To convert from cylindrical coordinates to Cartesian coordinates use the following:
- x = rcosθ
- y = rsinθ
- z = z
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Conversion from spherical coordinates
To convert from spherical coordinates use the following:
- x = rcosθsinφ
- y = rsinθsinφ
- z = rcosφ
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Why is it useful?
