90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
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/**
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* The grid mesh data.
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* @typedef {object} GridMeshData
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* @property {number} type The type of the grid (see {@link CONST.GRID_TYPES})
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* @property {number} width The width of the grid in pixels
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* @property {number} height The height of the grid in pixels
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* @property {number} size The size of a grid space in pixels
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* @property {number} thickness The thickness of the grid lines in pixels
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* @property {number} color The color of the grid
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* @property {number} alpha The alpha of the grid
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*/
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/**
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* The grid mesh, which uses the {@link GridShader} to render the grid.
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*/
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class GridMesh extends QuadMesh {
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/**
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* The grid mesh constructor.
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* @param {typeof GridShader} [shaderClass=GridShader] The shader class
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*/
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constructor(shaderClass=GridShader) {
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super(shaderClass);
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this.width = 0;
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this.height = 0;
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this.alpha = 0;
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this.renderable = false;
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}
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/* -------------------------------------------- */
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/**
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* The data of this mesh.
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* @type {GridMeshData}
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*/
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data = {
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type: CONST.GRID_TYPES.GRIDLESS,
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width: 0,
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height: 0,
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size: 0,
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thickness: 1,
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color: 0,
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alpha: 1
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};
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/* -------------------------------------------- */
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/**
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* Initialize and update the mesh given the (partial) data.
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* @param {Partial<GridMeshData>} data The (partial) data.
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* @returns {this}
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*/
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initialize(data) {
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// Update the data
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this._initialize(data);
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// Update the width, height, and alpha
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const d = this.data;
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this.width = d.width;
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this.height = d.height;
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this.alpha = d.alpha;
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// Don't render if gridless or the thickness isn't positive positive
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this.renderable = (d.type !== CONST.GRID_TYPES.GRIDLESS) && (d.thickness > 0);
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return this;
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}
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/* -------------------------------------------- */
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/**
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* Initialize the data of this mesh given the (partial) data.
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* @param {Partial<GridMeshData>} data The (partial) data.
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* @protected
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*/
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_initialize(data) {
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const d = this.data;
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if ( data.type !== undefined ) d.type = data.type;
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if ( data.width !== undefined ) d.width = data.width;
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if ( data.height !== undefined ) d.height = data.height;
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if ( data.size !== undefined ) d.size = data.size;
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if ( data.thickness !== undefined ) d.thickness = data.thickness;
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if ( data.color !== undefined ) {
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const color = Color.from(data.color);
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d.color = color.valid ? color.valueOf() : 0;
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}
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if ( data.alpha !== undefined ) d.alpha = data.alpha;
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}
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}
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