*渲染矩阵

1 files changed, 62 insertions, 0 deletions

diff --git a/src/libjin/Graphics/je_gl.cpp b/src/libjin/Graphics/je_gl.cpp
index f72ce37..3f19d36 100644
--- a/src/libjin/Graphics/je_gl.cpp
+++ b/src/libjin/Graphics/je_gl.cpp
@@ -2,6 +2,8 @@
 #include "je_gl.h"
 #include "je_color.h"
 
+using namespace JinEngine::Math;
+
 namespace JinEngine
 {
 	namespace Graphics
@@ -9,6 +11,13 @@ namespace JinEngine
 
 		OpenGL gl;
 
+        OpenGL::OpenGL()
+            : ogl2d::OpenGL()
+        {
+            mMatrices.push_back(Matrix());
+            calcMatrix();
+        }
+
         void OpenGL::setColor(Channel r, Channel g, Channel b, Channel a)
         {
             setColor(Color(r, g, b, a));
@@ -25,6 +34,59 @@ namespace JinEngine
             return mCurrentColor;
         }
 
+        void OpenGL::clearMatrix()
+        {
+            mMatrices.clear();
+            mMatrices.push_back(Matrix());
+            mMatrix.setIdentity();
+        }
+
+        void OpenGL::push()
+        {
+            mMatrices.push_back(Matrix());
+        }
+
+        void OpenGL::pop()
+        {
+            if (mMatrices.size() == 1)
+                return;
+            mMatrices.pop_back();
+            calcMatrix();
+        }
+
+        void OpenGL::calcMatrix()
+        {
+            mMatrix.setIdentity();
+            for (Matrix& m : mMatrices)
+                mMatrix *= m;
+        }
+
+        void OpenGL::translate(float x, float y)
+        {
+            if (mMatrices.size() == 1)
+                return;
+            Matrix& m = mMatrices.back();
+            m.translate(x, y);
+            mMatrix.translate(x, y);
+        }
+
+        void OpenGL::scale(float sx, float sy)
+        {
+            if (mMatrices.size() == 1)
+                return;
+            Matrix& m = mMatrices.back();
+            m.scale(sx, sy);
+            mMatrix.scale(sx, sy);
+        }
+
+        void OpenGL::rotate(float r)
+        {
+            if (mMatrices.size() == 1)
+                return;
+            Matrix& m = mMatrices.back();
+            m.rotate(r);
+            mMatrix.rotate(r);
+        }
 
 	} // namespace Graphics
 } // namespace JinEngine