/* eslint-disable max-len */
/**
* holds the information for a single attribute structure required to render geometry.
* this does not conatina the actul data, but instead has a buffer id that maps to a {@link PIXI.Buffer}
* This can include anything from positions, uvs, normals, colors etc..
*
* @class
* @memberof PIXI
*/
class Attribute
{
/**
* @param {string} buffer the id of the buffer that this attribute will look for
* @param {Number} [size=0] the size of the attribute. If you hava 2 floats per vertex (eg position x and y) this would be 2.
* @param {Boolean} [normalised=false] should the data be normalised.
* @param {Number} [type=PIXI.TYPES.FLOAT] what type of numbe is the attribute. Check {PIXI.TYPES} to see the ones available
* @param {Number} [stride=0] How far apart (in floats) the start of each value is. (used for interleaving data)
* @param {Number} [start=0] How far into the array to start reading values (used for interleaving data)
*/
constructor(buffer, size, normalised = false, type = 5126, stride, start, instance)
{
this.buffer = buffer;
this.size = size;
this.normalized = normalised;
this.type = type;
this.stride = stride;
this.start = start;
this.instance = instance;
}
/**
* Destroys the Attribute.
*/
destroy()
{
this.buffer = null;
}
/**
* Helper function that creates an Attribute based on the information provided
*
* @static
* @param {string} buffer the id of the buffer that this attribute will look for
* @param {Number} [size=2] the size of the attribute. If you hava 2 floats per vertex (eg position x and y) this would be 2
* @param {Number} [stride=0] How far apart (in floats) the start of each value is. (used for interleaving data)
* @param {Number} [start=0] How far into the array to start reading values (used for interleaving data)
* @param {Boolean} [normalised=false] should the data be normalised.
*
* @returns {PIXI.Attribute} A new {@link PIXI.Attribute} based on the information provided
*/
static from(buffer, size, stride, start, normalised)
{
return new Attribute(buffer, size, stride, start, normalised);
}
}
module.exports = Attribute;