SKLinearAlgebra | Swift extensions for Linear Algebra with SceneKit | Math library
kandi X-RAY | SKLinearAlgebra Summary
kandi X-RAY | SKLinearAlgebra Summary
This library allows common vector operations using SceneKit's native types: SCNVector3, SCNVector4, and SCNMatrix4. It also provides useful linear algebra functions for 3D graphics. It has been written in the style of Swift, intending to enhance and complete Scenekit's existing functions.
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QUESTION
It seems like an obvious thought to me to add overloads for operators for types such as SCNMatrix4
and SCNVector3
, but Apple seem to have chosen to use static global functions (such as SCNMatrix4Mult
). While operators such as matrix multiplication and vector addition are trivial to add, I am wondering:
- Is there any reason to avoid such overloads in Swift?
- Is there any canonical library for such overloads? I found these:
- Is there anything more to an implementation than the following?
Example implementation:
...ANSWER
Answered 2017-Jul-03 at 12:41These functions are SceneKit utils written for Objective-C that simply get exported to Swift as-is. I agree that it would be nice to have them as operators instead of global functions, but it looks like the related code hasn't been written yet.
Note that if you want your code to be more expressive and efficient, you can easily take advantage of the new SIMD-based APIs on SCNNode
. You can find an example in this related SO question.
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