Reorganising some code...

CMakeLists.txt

@@ -7,7 +7,7 @@ SET(POLYVOX_VERSION_MINOR "1")
 SET(POLYVOX_VERSION_PATCH "0")
 SET(POLYVOX_VERSION "${POLYVOX_VERSION_MAJOR}.${POLYVOX_VERSION_MINOR}.${POLYVOX_VERSION_PATCH}")
 
-ADD_SUBDIRECTORY(examples/OpenGL)
+#ADD_SUBDIRECTORY(examples/OpenGL)
 
 #Projects source files
 SET(SRC_FILES
@@ -86,4 +86,6 @@ INSTALL(TARGETS PolyVox
 	ARCHIVE DESTINATION lib
 )
 
-INSTALL(FILES ${INC_FILES} DESTINATION include/PolyVox)
+INSTALL(FILES ${INC_FILES} DESTINATION include/PolyVox)
+
+ADD_SUBDIRECTORY(examples/OpenGL)

examples/OpenGL/CMakeLists.txt

@@ -16,6 +16,7 @@ SET(CMAKE_DEBUG_POSTFIX "_d")
 SOURCE_GROUP("Sources" FILES ${SRC_FILES})
 #SOURCE_GROUP("Headers" FILES ${INC_FILES})
 
+FIND_PACKAGE(Boost REQUIRED)
 FIND_PACKAGE(OpenGL REQUIRED)
 
 IF (WIN32)
@@ -24,10 +25,12 @@ IF (WIN32)
 	#This means glut.h and glut32.lib go in the 'include' and 'lib' folders within  Microsoft Visual Studio 8\VC\PlatformSDK\ 
 	#Also, glut32.dll goes in C:\Windows\System. Using C:\Windows\System32 doesn't seem to work
 	
-	#Tell CMake the paths
-	INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
+	#Tell CMake the paths for OpenGL and for PolyVox ()which is just relative to our current location
+	INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS} ${OPENGL_INCLUDE_DIR} "../../include")
+	#No idea  why we have to look three levels up for build and only two for include. They should be the same level?!
+	LINK_DIRECTORIES("../../../build")
 
 	#Build
 	ADD_EXECUTABLE(OpenGLExample ${SRC_FILES})
-	TARGET_LINK_LIBRARIES(OpenGLExample glut32.lib ${OPENGL_gl_LIBRARY})
+	TARGET_LINK_LIBRARIES(OpenGLExample glut32.lib ${OPENGL_gl_LIBRARY} debug PolyVox_d.lib optimized PolyVox.lib)
 ENDIF (WIN32)

examples/OpenGL/main.cpp

@@ -1,15 +1,46 @@
-/*
-When creating your project, uncheck OWL,
-uncheck Class Library, select Static
-instead of Dynamic and change the target
-model to Console from GUI.
-Also link glut.lib to your project once its done.
-*/
+#include "BlockVolume.h"
+#include "BlockVolumeIterator.h"
+#include "Utility.h"
 
 #include <windows.h>   // Standard Header For Most Programs
 #include <gl/gl.h>     // The GL Header File
 #include <gl/glut.h>   // The GL Utility Toolkit (Glut) Header
 
+//Some namespaces we need
+using namespace boost;
+using namespace PolyVox;
+using namespace std;
+
+//Global variables are easier for demonstration purposes, especially
+//as I'm not sure if I can pass variables to the GLUT functions.
+const uint16_t g_uVolumeSideLength = 128;
+BlockVolume<uint8_t> g_volData(logBase2(g_uVolumeSideLength)); //Creates a volume 128x128x128
+
+void createSphereInVolume(void)
+{
+	//Create an iterator to access data in the volume
+	BlockVolumeIterator<uint8_t> volIter(g_volData); 
+
+	//A region corresponding to the whole volume
+	const Region& regWholeVolume = g_volData.getEnclosingRegion(); 
+
+	//This iterator will iterate over the whole volume
+	volIter.setValidRegion(regWholeVolume); 
+
+	//Start at the begining
+	volIter.setPosition(static_cast<Vector3DInt16>(regWholeVolume.getLowerCorner()));
+	do
+	{
+		//Get our current position
+		const uint16_t uX = volIter.getPosX();
+		const uint16_t uY = volIter.getPosY();
+		const uint16_t uZ = volIter.getPosZ();
+
+		//The centre of the volume
+		const uint16_t uVolCenterX = g_uVolumeSideLength / 2;
+	}while (volIter.isValidForRegion()); //In our case this covers the whole volume
+}
+
 void init ( GLvoid )     // Create Some Everyday Functions
 {
 
@@ -26,18 +57,12 @@ void display ( void )   // Create The Display Function
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	// Clear Screen And Depth Buffer
 	glLoadIdentity();									// Reset The Current Modelview Matrix
-	glTranslatef(-1.5f,0.0f,-6.0f);						// Move Left 1.5 Units And Into The Screen 6.0
-	glBegin(GL_TRIANGLES);								// Drawing Using Triangles
-		glVertex3f( 0.0f, 1.0f, 0.0f);					// Top
-		glVertex3f(-1.0f,-1.0f, 0.0f);					// Bottom Left
-		glVertex3f( 1.0f,-1.0f, 0.0f);					// Bottom Right
-	glEnd();											// Finished Drawing The Triangle
-	glTranslatef(3.0f,0.0f,0.0f);						// Move Right 3 Units
+	glTranslatef(0.0f,0.0f,-200.0f);					// Move Right 3 Units
 	glBegin(GL_QUADS);									// Draw A Quad
-		glVertex3f(-1.0f, 1.0f, 0.0f);					// Top Left
-		glVertex3f( 1.0f, 1.0f, 0.0f);					// Top Right
-		glVertex3f( 1.0f,-1.0f, 0.0f);					// Bottom Right
-		glVertex3f(-1.0f,-1.0f, 0.0f);					// Bottom Left
+		glVertex3f(0.0f, 0.0f, 0.0f);					// Top Left
+		glVertex3f( 128.0f, 0.0f, 0.0f);					// Top Right
+		glVertex3f( 128.0f, 128.0f, 0.0f);					// Bottom Right
+		glVertex3f(0.0f, 128.0f, 0.0f);					// Bottom Left
 	glEnd();
 
 

include/BlockVolumeIterator.h

@@ -49,6 +49,7 @@ namespace PolyVox
 		boost::uint16_t getPosZ(void) const;
 		VoxelType getVoxel(void) const;			
 
+		void setPosition(const Vector3DInt16& v3dNewPos);
 		void setPosition(boost::uint16_t xPos, boost::uint16_t yPos, boost::uint16_t zPos);
 		void setValidRegion(const Region& region);
 		void setValidRegion(boost::uint16_t xFirst, boost::uint16_t yFirst, boost::uint16_t zFirst, boost::uint16_t xLast, boost::uint16_t yLast, boost::uint16_t zLast);

include/BlockVolumeIterator.inl

@@ -162,6 +162,12 @@ namespace PolyVox
 	#pragma endregion
 
 	#pragma region Setters
+	template <typename VoxelType>
+	void BlockVolumeIterator<VoxelType>::setPosition(const Vector3DInt16& v3dNewPos)
+	{
+		setPosition(v3dNewPos.getX(), v3dNewPos.getY(), v3dNewPos.getZ());
+	}
+
 	template <typename VoxelType>
 	void BlockVolumeIterator<VoxelType>::setPosition(boost::uint16_t xPos, boost::uint16_t yPos, boost::uint16_t zPos)
 	{