Question 1

How does Kha compare to SDL for cross-platform game development?

Accepted Answer

Kha is similar to SDL but built on Haxe with better portability and performance optimizations. It supports more targets like consoles and has integrated shader cross-compilation, but requires Haxe knowledge, whereas SDL uses C/C++ and has a larger community.

Question 2

Can I use Kha with Unity for better portability?

Accepted Answer

Yes, Kha can run on top of Unity3D, allowing it to serve as a portable foundation. This means you can write core logic in Kha and deploy across platforms while still using Unity's editor features, though it adds complexity to the workflow.

Question 3

How to deploy a Kha game to HTML5?

Accepted Answer

Kha cross-compiles Haxe code to JavaScript for HTML5 targets. Use the build system to select WebGL, WebGL 2, or canvas fallbacks, and assets are optimized during compilation as per the Getting Started guide on the wiki.

Question 4

What are the system requirements for Kha on Raspberry Pi?

Accepted Answer

Kha supports Raspberry Pi with OpenGL, requiring standard Raspbian or similar OS. Performance depends on the Pi model, but the low-level API allows fine-tuning for embedded hardware, though documentation for specific setups is limited.

Question 5

Is Kha good for 2D or 3D games?

Accepted Answer

Kha excels at both 2D and 3D graphics with hardware acceleration. Its generational API ensures optimal performance for either, but you'll need to handle rendering details yourself, unlike in higher-level engines with built-in editors.

Question 6

How to write shaders that work on all platforms with Kha?

Accepted Answer

Write shaders in GLSL, and Kha's krafix compiler automatically cross-compiles them to target-specific languages like HLSL for Direct3D or MSL for Metal. This simplifies shader maintenance but requires testing on each platform for quirks.

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