package org.jglrxavpok.jlsl.glsl; public class Mat2 { private double[] data; public Mat2(Vec2 column1, Vec2 column2) { data = new double[2 * 2]; data[0] = column1.x; data[1] = column1.y; data[2] = column2.x; data[3] = column2.y; } }