Ambient occlusion

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November 25th, 2008

Direct light and shadows from the sun are only half of the lighting system in Overgrowth. The other half is indirect light from the rest of the sky. To make the indirect light look realistic, we also have to calculate indirect light shadows! I thought this looked cool, so here is a screenshot of the indirect shadows on the desert terrain, with drastically increased contrast.

Here is what the terrain looks like with the combined sun lighting and ambient shadows!