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1075932 Posts in 44152 Topics- by 36119 Members - Latest Member: Royalhandstudios

December 29, 2014, 04:14:09 PM
TIGSource ForumsDeveloperTechnical (Moderators: Glaiel-Gamer, ThemsAllTook)Dark levels in spelunky
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Noogai03
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« on: December 11, 2012, 11:04:23 AM »
Anyone have any idea how the dark levels in Spelunky (never played the XBLA one, so the original) work (flares, etc)? (This doesn't have to be Game Maker specific) I had a look at the source code, and I couldn't find anything to do with dark levels...  Embarrassed

More to the point, if anyone knows any other way of doing 2D platform game shadows...  Smiley
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Evan Balster
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« Reply #1 on: December 11, 2012, 11:21:00 AM »
Have a surface whose color is white in fully lit places and darker (perhaps a bit bluish too) in shadows.  This surface should match up with whatever view is being used.  (don't make it as big as the level!)  Draw this over the screen with multiplicative blending and it will darken things.

I believe you can set a multiplicative blend mode like so:
Code:
draw_set_blend_mode_ext(bm_dest_color, bm_zero);

Just be sure to set it back to normal after drawing your surface.
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Noogai03
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« Reply #2 on: December 11, 2012, 12:29:41 PM »
Right, thanks. That makes sense.
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