All files / engine/Source/Core GeometryAttributes.js

100% Statements 7/7
100% Branches 2/2
100% Functions 1/1
100% Lines 7/7

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89                          1075x                       1075x                       1075x                       1075x                       1075x                       1075x                       1075x      
import Frozen from "./Frozen.js";
 
/**
 * Attributes, which make up a geometry's vertices.  Each property in this object corresponds to a
 * {@link GeometryAttribute} containing the attribute's data.
 * <p>
 * Attributes are always stored non-interleaved in a Geometry.
 * </p>
 *
 * @alias GeometryAttributes
 * @constructor
 */
function GeometryAttributes(options) {
  options = options ?? Frozen.EMPTY_OBJECT;
 
  /**
   * The 3D position attribute.
   * <p>
   * 64-bit floating-point (for precision).  3 components per attribute.
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.position = options.position;
 
  /**
   * The normal attribute (normalized), which is commonly used for lighting.
   * <p>
   * 32-bit floating-point.  3 components per attribute.
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.normal = options.normal;
 
  /**
   * The 2D texture coordinate attribute.
   * <p>
   * 32-bit floating-point.  2 components per attribute
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.st = options.st;
 
  /**
   * The bitangent attribute (normalized), which is used for tangent-space effects like bump mapping.
   * <p>
   * 32-bit floating-point.  3 components per attribute.
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.bitangent = options.bitangent;
 
  /**
   * The tangent attribute (normalized), which is used for tangent-space effects like bump mapping.
   * <p>
   * 32-bit floating-point.  3 components per attribute.
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.tangent = options.tangent;
 
  /**
   * The color attribute.
   * <p>
   * 8-bit unsigned integer. 4 components per attribute.
   * </p>
   *
   * @type {GeometryAttribute|undefined}
   *
   * @default undefined
   */
  this.color = options.color;
}
export default GeometryAttributes;