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improve flat layer additions

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This commit is contained in:
Stewart Allen 2022-10-15 22:16:12 -04:00
commit 766b1ef2cc
2 changed files with 18 additions and 19 deletions
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19
src/geo/paths.js
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@ -196,7 +196,6 @@ function pointsToPath(points, offset, open, miter = 1.5) {
const left = [];
const right = [];
const faces = [];
// const normals = new FloatPacker(points.length * 10, 1.25);
const normals = [];
const zn = -1;
// calculate vertex normals from segments normals
@ -331,7 +330,6 @@ function pointsToPath(points, offset, open, miter = 1.5) {
normals.push(ln.dx, ln.dy, zn);
}
// return { left, right, faces, normals: normals.finalize(), open };
return { left, right, faces, normals, open };
}
@ -537,15 +535,16 @@ class FloatPacker {
push() {
const array = this.array;
const size = this.size;
for (let i=0, l=arguments.length; i<l; i++) {
const args = arguments.length;
if (this.pos + args >= size) {
let nusize = ((size * this.factor) | 0) + args;
let nuarray = new Float32Array(nusize);
nuarray.set(array);
this.array = nuarray;
this.size = nusize;
}
for (let i=0; i<args; i++) {
array[this.pos++] = arguments[i];
if (this.pos >= size) {
let nusize = ((size * this.factor) | 0) + 1;
let nuarray = new Float32Array(nusize);
nuarray.set(array);
this.array = nuarray;
this.size = nusize;
}
}
}