59 lines
1.3 KiB
TypeScript
59 lines
1.3 KiB
TypeScript
import chalk from "chalk";
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import { globSync } from "glob";
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export const convertMeshes = async () => {
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const meshes = globSync("src/meshes/*.ply");
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for (const file of meshes) {
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const ply = await Bun.file(file).text();
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const [header, body] = ply.split("end_header");
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const colorSize = header.includes("red") ? 4 : 0;
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const values: number[] = [];
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for (const line of body.split("\n")) {
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// line looks like
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// x y z r g b a u v
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// We need to convert it to
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// x y z 1 r g b a u v
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const [x, y, z, r, g, b, a, u, v] = line.split(" ");
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if (!g) {
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continue;
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}
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values.push(
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parseFloat(x),
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parseFloat(y),
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parseFloat(z),
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1,
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parseFloat(r),
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parseFloat(g)
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);
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if (colorSize > 0) {
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values.push(parseFloat(b), parseFloat(a), parseFloat(u), parseFloat(v));
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}
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}
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const outFile = file.replace(".ply", ".ts");
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const outString = `
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import { Mesh } from "../renderer/mesh";
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// prettier-ignore
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const mesh = new Float32Array(${JSON.stringify(values, null, 2)});
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export default new Mesh({
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mesh,
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positionSize: 4 * 4,
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colorSize: ${colorSize} * 4,
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uvSize: 2 * 4,
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});
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`;
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await Bun.write(outFile, outString);
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console.log(chalk.yellow(` -> ${file}...`));
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}
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};
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