4
votes
Accepted
GLSL "varying" interpolation: component-wise? Reference in the spec?
TL;DR: Yes, it is component-wise.
As you said, GLSL specifications have formulas for computing "datum associated with a fragment", like this one:
GLSL 330 spec : 3.5.1 Basic Line Segment ...
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3
votes
Accepted
Is there any standard format for engine agnostic 2D tilemaps?
I'd say the closest you're likely to get is Tiled's TMX format.
Many games will use Tiled as a map authoring tool and use import plugins for various engines to import those maps at development time.
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