AI_Assistant/grid-apps-cmms
Watch
1
0
Fork
You've already forked grid-apps-cmms
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add pocket shadow support

Browse source
This commit is contained in:
Stewart Allen 2026-01-06 00:00:29 -05:00
commit 29947815cd
2 changed files with 29 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/kiri/core/widget.js
View file

@ -708,7 +708,7 @@ class Widget {
return this;
}
async shadowAt(z) {
async shadowAt(z, pocket) {
let shadows = this.cache.shadows;
if (!shadows) {
shadows = this.cache.shadows = {};
@ -721,10 +721,11 @@ class Widget {
let zover = Object.keys(shadows).map(v => parseFloat(v)).filter(v => v > z);
let minZabove = Math.min(Infinity, ...zover);
// shift shadow probeline down a fraction to capture z flats with FP noise
let shadow = this.#computeShadowAt(z - 0.005, minZabove);
let shadow = this.#computeShadowAt(z - 0.005, minZabove, undefined, pocket);
if (minZabove < Infinity) {
shadow = POLY.union([...shadow, ...shadows[minZabove]], 0, true, { wasm: false });
// cull interior sliver voids
if (!pocket)
for (let poly of shadow) {
if (poly.inner) {
poly.inner = poly.inner.filter(inr => {
@ -741,7 +742,7 @@ class Widget {
// create a stack of faces in 1mm increments
// the stacks are then used to produce shadowlines
#ensureShadowCache() {
#ensureShadowCache(pocket) {
if (this.cache.shadow) {
return this.cache.shadow;
}
@ -758,7 +759,7 @@ class Widget {
const b = new THREE.Vector3(geo[ip++], geo[ip++], geo[ip++]);
const c = new THREE.Vector3(geo[ip++], geo[ip++], geo[ip++]);
const n = THREE.computeFaceNormal(a, b, c);
if (n.z < 0.001) {
if ((pocket && n.z > -0.001) || (!pocket && n.z < 0.001)) {
continue;
}
const minZ = Math.floor(Math.min(a.z, b.z, c.z));
@ -771,13 +772,13 @@ class Widget {
return this.cache.shadow = stack;
}
async computeShadowStack(zlist, progress) {
async computeShadowStack(zlist, progress, pocket) {
let shadow_stack = this.cache.shadow_stack;
if (!shadow_stack) {
shadow_stack = this.cache.shadow_stack = {};
}
let work = self.kiri_worker;
let stack = this.#ensureShadowCache();
let stack = this.#ensureShadowCache(pocket);
let plist = [];
if (debug_shadow) console.time('seed minion buckets');
work.minions.broadcast('cam_shadow_stack', stack);
@ -800,13 +801,14 @@ class Widget {
work.minions.broadcast('cam_shadow_stack', { clear: true });
}
computeShadowAtZ(z, ztop, cached) {
return this.#computeShadowAt(z, ztop, cached);
// called from minion
computeShadowAtZ(z, ztop, cached, pocket) {
return this.#computeShadowAt(z, ztop, cached, pocket);
}
// union triangles > z (opt cap < ztop) into polygon(s)
// slice the triangle stack matchingg z then union the results
#computeShadowAt(z, ztop, cached) {
#computeShadowAt(z, ztop, cached, pocket) {
let shadow_stack = this.cache.shadow_stack;
if (shadow_stack && shadow_stack[z]) {
return shadow_stack[z];
@ -814,7 +816,7 @@ class Widget {
let label = `compute shadow ${z.round(2)}`;
if (debug_shadow) console.time(label);
const found = [];
const stack = cached ?? this.#ensureShadowCache();
const stack = cached ?? this.#ensureShadowCache(pocket);
let minZ = Math.floor(z);
let maxZ = Math.ceil(z);
let slices = [];