From 162a6ce2f2cc5d24a177acf9b3c2ce9a0055e1f5 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Wed, 9 Dec 2020 16:28:21 +0800
Subject: [PATCH] add 2d matrix functions, they are translate/scale/rotate

---
 inc/hgl/math/Matrix.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/inc/hgl/math/Matrix.h b/inc/hgl/math/Matrix.h
index 26ba12a..1f2871f 100644
--- a/inc/hgl/math/Matrix.h
+++ b/inc/hgl/math/Matrix.h
@@ -84,6 +84,11 @@ namespace hgl
         return Matrix4f::Translate(x,y,z);
     }
 
+    inline Matrix4f translate(float x,float y)
+    {
+        return Matrix4f::Translate(x,y,1.0f);
+    }
+
     inline Matrix4f scale(const Vector3f &v)
     {
         return Matrix4f::Scale(v,Vector3f::zero);
@@ -94,6 +99,11 @@ namespace hgl
         return Matrix4f::Scale(Vector3f(x,y,z),Vector3f::zero);
     }
 
+    inline Matrix4f scale(float x,float y)
+    {
+        return Matrix4f::Scale(Vector3f(x,y,1.0f),Vector3f::zero);
+    }
+
     inline Matrix4f scale(float s)
     {
         return Matrix4f::Scale(Vector3f(s,s,s),Vector3f::zero);
@@ -108,6 +118,11 @@ namespace hgl
     {
         return rotate(angle,Vector3f(x,y,z));
     }
+    
+    inline Matrix4f rotate(float angle,float x,float y)
+    {
+        return rotate(angle,Vector3f(x,y,1.0f));
+    }
 
     inline Matrix4f rotate(float angle,const Vector4f &axis)
     {