xatlas.d.ts

declare module 'xatlas.js' {
    export const xatlas: XAtlas;

    interface XAtlas {
        create(): XAtlasInstance;
        addMesh(instance: XAtlasInstance, positions: Float32Array, indices: Uint32Array): void;
        generate(instance: XAtlasInstance, options?: Partial<GenerateOptions>): void;
        destroy(instance: XAtlasInstance): void;
    }

    interface XAtlasInstance {
        meshes: Mesh[];
    }

    interface Mesh {
        charts: Chart[];
        vertices: Float32Array;
    }

    interface Chart {
        faces: Face[];
    }

    interface Face {
        indices: number[];
    }

    interface GenerateOptions {
        resolution: number;
        padding: number;
        maxChartSize: number;
        progressCallback(progress: number): void;
        cancelCallback(): boolean;
    }

    // Define the CalculateColorCallback type
    type CalculateColorCallback = (lerpedVertexData: LerpedVertexData) => Color;

    interface LerpedVertexData {
        position: Vector3;
    }

    interface Vector3 {
        x: number;
        y: number;
        z: number;
    }

    interface Color {
        r: number;
        g: number;
        b: number;
        a: number;
    }
}