draw all triangles instead of the first 12,

added todo section to the README.md,
clean up code

MshViewer/Source/OpenGlController.cpp

@@ -247,7 +247,7 @@ void OpenGLController::updateScene()
 	glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, 0);
 	
 	//draw objects
-	glDrawArrays(GL_TRIANGLES, 0, 12 * 3);
+	glDrawArrays(GL_TRIANGLES, 0, ui32MeshSize * 3);
 
 	//close attributes
 	glDisableVertexAttribArray(0);
@@ -288,6 +288,7 @@ void OpenGLController::loadMsh(const char * path)
 		vfVertices = obj.getVertex();
 		vfUV = obj.getUV();
 		listTextures = obj.getTexture();
+		ui32MeshSize = obj.getSize().front();
 	}
 	catch (std::invalid_argument e)
 	{