Giving the trees and water x3drootnodes their own x3d directional light gives better results than the ‘global’ cge directtional light without double lighting things. Shadows stand stronger and phong on terrain/snow is more pronounced since it isn’t mixing with black.
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Enabling the shadow map on the water/snow layer doesn’t seem to cost anything but a split second when building the scene.
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And a little ambient light to soften the black shadows… and we are cooking with gas!
