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render3d: the GPU blades grow by a painted density (a layer of the ground densities, grass_density_layer) where a map has one - a 5x5-tile window round the camera in a storage buffer the cull samples - and by today's rules where not; grass_rule_at is the rules on the CPU for the migration

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-29 21:14:22 +03:00
parent e6f4685bd0
commit 9186abbbe3
10 changed files with 219 additions and 21 deletions
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packages/ludic.render3d/ground_density.ludic
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@ -68,6 +68,7 @@ function gd_cache_reset(render3d_st: mut Render3dState, tiles: int) -> void {
export function ground_density_close(render3d_st: mut Render3dState) -> void {
if render3d_st.gd_file != null { file_close(render3d_st.gd_file); render3d_st.gd_file = null }
render3d_st.gb_layer = -1 # a layer index means nothing in the next map's file (grass_density_layer)
}
# the slot holding layer l's tile t, read in when it is not (a clock, as the terrain's tiles)