Editing Cardboard engine
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'''Cardboard''' is the floating-point renderer which debuted in version 3. | '''Cardboard''' is the new floating-point renderer which debuted in version 3.37.00 of the [[Eternity Engine]]. Cardboard was created by programmer '''Stephen "[[SoM]]" McGranahan''' to address deep-seated problems inherent in the Doom engine's method of projecting and rendering lines and flats. | ||
Advantages of the Cardboard renderer include greatly improved behavior of anisotropic two-sided lines, giving a clean-scaled appearance to textures even when the camera is looking down a line that it is practically on, and even when mlook is engaged to the minimum or maximum of its vertical range. Long wall error is reduced, allowing maps to contain much longer linedefs without numeric instability causing the walls to appear to "wobble". Behavior of the engine with respect to extreme height differences is also improved, retaining earlier repairs of crashes and eliminating most remaining rendering glitches associated with tall areas. Rendering of flats is now pixel-perfect in most circumstances. | Advantages of the Cardboard renderer include greatly improved behavior of anisotropic two-sided lines, giving a clean-scaled appearance to textures even when the camera is looking down a line that it is practically on, and even when mlook is engaged to the minimum or maximum of its vertical range. Long wall error is reduced, allowing maps to contain much longer linedefs without numeric instability causing the walls to appear to "wobble". Behavior of the engine with respect to extreme height differences is also improved, retaining earlier repairs of crashes and eliminating most remaining rendering glitches associated with tall areas. Rendering of flats is now pixel-perfect in most circumstances. | ||
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Cardboard includes some qualities which will improve the ability to later add true color support. It was originally developed outside of the Eternity Engine as a stand-alone program which could draw Doom textures and flats in 32-bit color with dynamically calculated light fading. | Cardboard includes some qualities which will improve the ability to later add true color support. It was originally developed outside of the Eternity Engine as a stand-alone program which could draw Doom textures and flats in 32-bit color with dynamically calculated light fading. | ||