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When handling collision detection / response and you need a Vector class, do you need to create that class yourself or is there a java class you can use?

A vector class should have methods like: subtract(Vector v), normalize(), dotProduct(Vector v), ...

At the moment it seems logical to use classes like java.awt.Rectangle and java.awt.Polygon to calculate collisions. Would I be right to use these classes for this purpose?

My question is not about how to implement collision detection, I know how that works. However I'm wondering what would be a correct and clean way to implement it in java since I'm fairly new to the language and to application development in general.

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2 Answers

up vote 4 down vote accepted

There is no built in math Vector class. You'll have to implement your own or use a library like JScience - its project page is here.

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You could implement Vectors in Java using Vecmath. Its documentation is located here.

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