/** * Create a Transformation Matrix 2D * * @param translation Position * @param scale Scale * @return Transformation Matrix 2D */ public static Matrix4f createTransformationMatrix(Vector2f translation, Vector2f scale) { Matrix4f matrix = new Matrix4f(); matrix.setIdentity(); Matrix4f.translate(translation, matrix, matrix); Matrix4f.scale(new Vector3f(scale.x, scale.y, 1f), matrix, matrix); return matrix; }
/** * Create a Transformation Matrix 3D * * @param translation Position * @param rx Rotation X * @param ry Rotation Y * @param rz Rotation Z * @param scale Scale * @return Transformation Matrix 3D */ public static Matrix4f createTransformationMatrix( Vector3f translation, float rx, float ry, float rz, float scale) { Matrix4f matrix = new Matrix4f(); matrix.setIdentity(); Matrix4f.translate(translation, matrix, matrix); Matrix4f.rotate((float) Math.toRadians(rx), new Vector3f(1, 0, 0), matrix, matrix); Matrix4f.rotate((float) Math.toRadians(ry), new Vector3f(0, 1, 0), matrix, matrix); Matrix4f.rotate((float) Math.toRadians(rz), new Vector3f(0, 0, 1), matrix, matrix); Matrix4f.scale(new Vector3f(scale, scale, scale), matrix, matrix); return matrix; }
/** * Create a View Matrix * * @param camera Camera * @return View Matrix */ public static Matrix4f createViewMatrix(Camera camera) { Matrix4f viewMatrix = new Matrix4f(); viewMatrix.setIdentity(); Matrix4f.rotate( (float) Math.toRadians(camera.getPitch()), new Vector3f(1, 0, 0), viewMatrix, viewMatrix); Matrix4f.rotate( (float) Math.toRadians(camera.getYaw()), new Vector3f(0, 1, 0), viewMatrix, viewMatrix); Matrix4f.rotate( (float) Math.toRadians(camera.getRoll()), new Vector3f(0, 0, 1), viewMatrix, viewMatrix); Vector3f cameraPost = camera.getPosition(); Vector3f negativeCameraPos = new Vector3f(-cameraPost.x, -cameraPost.y, -cameraPost.z); Matrix4f.translate(negativeCameraPos, viewMatrix, viewMatrix); return viewMatrix; }