#shaders

A procedural sky that runs from day through sunset to a dark, starry night, plus the fog and post-processing that give every world a consistent, art-directed look.

Making grass and plants sway by bending each blade in the vertex shader, based on its height and position plus a global wind the weather controls.

Drawing tens of thousands of grass blades is fine if you do it in one batch and only near the player — the two ideas that keep the grass cheap enough for VR.

A flat surface reads as water once you add a few things: moving waves, a colour that deepens with depth, foam at the shoreline, and brighter reflections at grazing angles.