How to load tiles onto a SCNSphere?

Asked Feb 14 '17 at 22:38

Active Feb 21 '17 at 17:55

Viewed 166 times

I want to dynamically load tiles and display them on a SCNSphere. Of course I can assign a UIImage to the SCNMaterial:

sphere.firstMaterial!.diffuse.contents = image

However that means that I've to merge all tiles together in a huge UIImage first. And I have to do that each time a new tile is fetched. A CATiledLayer based SCNMaterial would be another option but sadly it's not available on Apple Watch.

Is there a way to keep the tiles separate in SceneKit? I tried using multiple materials for the sphere but that didn't work.

asked Feb 14 '17 at 22:38

Ortwin Gentz

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How big are these tiles? Can you make them really small, with coarse resolution? Putting huge images onto Apple Watch seems like overkill. – Hal Mueller Feb 14 '17 at 23:42
The tiles are 512x512. Of course on Apple Watch there will be much fewer (4-8) as on iOS (up to 64). – Ortwin Gentz Feb 14 '17 at 23:45
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If the tiles are seamless then you can probably use `SCNWrapModeRepeat`... – l'L'l Feb 27 '17 at 00:00
They are not seamless. Each tile is different. – Ortwin Gentz Feb 27 '17 at 09:42

How to load tiles onto a SCNSphere?

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