fix build

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "eigen"]
+	path = eigen
+	url = https://github.com/eigenteam/eigen-git-mirror

CMakeLists.txt

@@ -1,4 +1,34 @@
 cmake_minimum_required(VERSION 2.6)
 project(raycasting)
 
-include("${CMAKE_CURRENT_SOURCE_DIR}/shared/cmake/CMakeLists.txt")
+# Prepare the build environment
+set(ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
+option(USE_SOLUTION "Use solution"  OFF)
+# Add your project files
+include_directories("include/")
+if(USE_SOLUTION)
+  set(SRC_DIR "solution/")
+else()
+  set(SRC_DIR "src/")
+endif()
+file(GLOB SRCFILES "${SRC_DIR}/*.cpp")
+list(APPEND SRCFILES main.cpp)
+# create executable
+include(CheckCXXCompilerFlag)
+
+CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
+if(COMPILER_SUPPORTS_CXX11)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+elseif(COMPILER_SUPPORTS_CXX0X)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+else()
+    message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
+endif()
+
+if(HW2LIB_DIR)
+  link_directories(${HW2LIB_DIR})
+endif()
+
+add_executable(${PROJECT_NAME} ${SRCFILES})
+target_include_directories(${PROJECT_NAME} SYSTEM PUBLIC ${ROOT}/eigen)

README.html

@@ -89,10 +89,12 @@
 <h1 id="computergraphics–raycasting">Computer Graphics – Ray Casting</h1>
 
 <blockquote>
-<p><strong>To get started:</strong> Clone this repository by issuing:</p>
+<p><strong>To get started:</strong> Clone this repository and its submodule using</p>
 
-<pre><code>git clone http://github.com/alecjacobson/computer-graphics-ray-casting.git
+<pre><code>git clone --recursive http://github.com/alecjacobson/computer-graphics-ray-casting.git
 </code></pre>
+
+<p><strong>Do not fork:</strong> Clicking &#8220;Fork&#8221; will create a <em>public</em> repository. If you&#8217;d like to use GitHub while you work on your assignment, then mirror this repo as a new <em>private</em> repository: https://stackoverflow.com/questions/10065526/github-how-to-make-a-fork-of-public-repository-private</p>
 </blockquote>
 
 <h2 id="background">Background</h2>

README.md

@@ -1,8 +1,8 @@
 # Computer Graphics – Ray Casting
 
-> **To get started:** Clone this repository using
+> **To get started:** Clone this repository and its submodule using
 > 
->     git clone http://github.com/alecjacobson/computer-graphics-ray-casting.git
+>     git clone --recursive http://github.com/alecjacobson/computer-graphics-ray-casting.git
 >
 > **Do not fork:** Clicking "Fork" will create a _public_ repository. If you'd like to use GitHub while you work on your assignment, then mirror this repo as a new _private_ repository: https://stackoverflow.com/questions/10065526/github-how-to-make-a-fork-of-public-repository-private