mapbox-gl/js/data/buffer/fill_vertex_buffer.js

A WebGL interactive maps library

'use strict';

var util = require('../../util/util');
var Buffer = require('./buffer');

module.exports = FillVertexBuffer;

function FillVertexBuffer(buffer) {
    Buffer.call(this, buffer);
}

FillVertexBuffer.prototype = util.inherit(Buffer, {
    itemSize: 4, // bytes per vertex (2 * short == 4 bytes)

    add: function(x, y) {
        var pos2 = this.pos / 2;

        this.resize();

        this.shorts[pos2 + 0] = x;
        this.shorts[pos2 + 1] = y;

        this.pos += this.itemSize;
    }
});