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Thinking of doing a stream to showcase (and explain!) some #gooengine stuff, like this water shader, black hole, the street effect, maybe that painterly robot thing...
because the grass is tilted to the side, the shadows here are all offset in the same direction, so you'd probably want to subtract a bit of the grass tilt direction off when sampling the shadows to sample more at the "midpoint" of the grass strands
The islands are fully procedural, using the volume cube node mainly
These are the "base shapes" I used - the shader is procedural and random per object for the different ship colours and patterns
The effect is fully post-processing, depth projection etc.
Actually very simple :)
So, here's how the mech looks with and without the brush strokes. And also how the xray looks, and the whole scene outside the camera view: