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carry: the runtime and render3d work Maroon Lake builds against

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Input.text, App.monitor_count / window_to_monitor / window_fixed,
gl_sleep_us, and the grass and collide changes, uncommitted on main and
depended on by the game; carried here so the language work starts from
what the game actually uses. main's working tree is untouched.
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-23 15:55:02 +03:00
parent 86492064aa
commit e6f565a6c4
17 changed files with 622 additions and 34 deletions
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10
packages/ludic.render3d/shaders/grass.mesh
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@ -8,7 +8,7 @@
// count is skipped.
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
const int BLADES = 16; // blades an invocation may emit
const int ROWS = 4; // grass_blade_mesh(4): two vertices a row, three quads
const int ROWS = 5; // grass_blade_mesh(5): two vertices a row, four quads
layout(triangles, max_vertices = 128, max_primitives = 96) out;
uniform mat4 u_view;
@ -129,11 +129,13 @@ void main() {
if (tilt) n = normalize(n * ck + cross(k, n) * sk + k * dot(k, n) * (1.0 - ck));
n = normalize(mix(n, gn, smoothstep(2.0, 12.0, dist)));
float hull = (dist > 2.0 || far || (u_dbg & 2) != 0) ? -1.0 : 1.0;
// the blade: grass_blade_mesh(4)'s vertices, placed as grass.vert places them
// the blade: grass_blade_mesh(5)'s vertices, placed as grass.vert places them
for (int r = 0; r < ROWS; r++) {
float t = float(r) / float(ROWS - 1);
float taper = max(1.0 - t * t * sqrt(t), 0.12);
float bend = t * t * 0.28;
// A COPY of grass_blade_mesh's profile in grass.ludic - narrow at the sheath,
// widest a fifth of the way up, a fine point, and arched. Change both together.
float taper = max((0.50 + 0.33 * min(t / 0.22, 1.0)) * (1.0 - t * t * t), 0.05);
float bend = t * t * 0.52;
for (int sd = 0; sd < 2; sd++) {
vec3 a_pos = vec3((float(sd) - 0.5) * taper, t, bend);
vec2 a_uv = vec2(float(sd), t);