*update

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libjin/Math/Matrix.h b/src/libjin/Math/Matrix.h
index b9a55d4..52fc9c8 100644
--- a/src/libjin/Math/Matrix.h
+++ b/src/libjin/Math/Matrix.h
@@ -16,6 +16,8 @@ namespace math
     * This class is the basis for all transformations in LOVE. Althought not
     * really needed for 2D, it contains 4x4 elements to be compatible with
     * OpenGL without conversions.
+    * ����Ҫת�õľ���
+    * https://blog.csdn.net/candycat1992/article/details/8830894
     **/
     class Matrix
     {
@@ -31,6 +33,8 @@ namespace math
 
     public:
 
+		static const Matrix Identity;
+
         /**
         * Creates a new identity matrix.
         **/
@@ -41,6 +45,8 @@ namespace math
         **/
         ~Matrix();
 
+        void setOrtho(float _left, float _right, float _bottom, float _top, float _near, float _far);
+
         /**
         * Multiplies this Matrix with another Matrix, changing neither.
         * @param m The Matrix to multiply with this Matrix.