function coordMatrixToCoordArray(coordMatrix) {
        var coodinatesArray = new Array(coordMatrix.length * coordMatrix[0].length);
        var k = 0;
        for(var i = 0; i < coordMatrix[0].length; ++i) {
            for(var j = 0; j < coordMatrix.length; ++j) {
                coodinatesArray[k] = coordMatrix[j][i];
                ++k;
            }
        }

        return coodinatesArray;
    }
Function that receives a coordinate matrix as follows:
[[x1, x2, ..], [y1, y2, ..], [ .. ]]

Returns an array of coordinates as follows:
[x1, y1, .. , x2, y2, ..]

@param coordMatrix
@returns {Array}