@tolokoban/tgd/lib/dist/geometry/geometry.d.ts

ToloGameDev library for WebGL2

import { TgdDataset, TgdDatasetType } from "../dataset";
import { TgdTypeArrayForElements, WebglDrawMode } from "../types";
import { TgdBoundingBox } from "..";
interface TgdGeometryOptionsCommon {
    name?: string;
    /**
     * Default mode is TRIANGLES.
     */
    drawMode?: WebglDrawMode | number;
    /**
     * If the count is not defined, we will figure it out from
     * the `elements` typed array or from the POSITION attribute.
     */
    count?: number;
    elements?: TgdTypeArrayForElements;
    /**
     * Compute normals with a smooth shading if
     * none has been provided.
     */
    computeNormalsIfMissing?: boolean;
}
export interface TgdGeometryOptions1 extends TgdGeometryOptionsCommon {
    dataset: TgdDataset;
    attPosition?: string;
    attNormal?: string;
    attUV?: string;
}
export interface TgdGeometryOptions2 extends TgdGeometryOptionsCommon {
    attPosition: Float32Attribute;
    attNormal?: Float32Attribute;
    attUV?: Float32Attribute;
}
interface Float32Attribute {
    name: string;
    data: Float32Array;
    type?: TgdDatasetType;
}
/**
 * Geometry is used to define a mesh.
 * It must hold at least one vec3 attributes
 * for the vertices.
 */
export declare class TgdGeometry {
    readonly name: string;
    /** Name of the POSITION attribute in the shader. */
    readonly attPosition: string;
    /** Name of the NORMAL attribute in the shader. */
    readonly attNormal: string;
    /** Name of the UV attribute in the shader. */
    readonly attUV: string;
    readonly count: number;
    readonly elements?: Readonly<TgdTypeArrayForElements>;
    readonly drawMode: number;
    protected _dataset: TgdDataset;
    protected _elementsType: number;
    private static counter;
    static make(options: TgdGeometryOptions2): TgdGeometry;
    static fitElementsInTypeArray(elements: TgdTypeArrayForElements | number[]): TgdTypeArrayForElements;
    static join(geometries: TgdGeometry[]): TgdGeometry;
    constructor(options: TgdGeometryOptions1);
    debug(caption?: string): void;
    get dataset(): Readonly<TgdDataset>;
    get elementsType(): number;
    /**
     * Return the index of a vertex.
     * If no elements array has been defined, we return `index` verbatim.
     * Otherwise, we use this elements array.
     */
    getElement(index: number): number;
    computeNormals(): this;
    computeBoundingBox(): TgdBoundingBox;
    private computeNormalsForTrianglesDrawMode;
}
export {};
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