VertexShader CreateVertexShader(const char* source)
	{
		std::ifstream file;
		size_t size;
		char* buffer;

		file.open(source, std::ios_base::in);
		if(!file.good())
		{
			file.close();
			return 0;
		}

		file.seekg(0, std::ios::end);
		size = file.tellg();
		file.clear();
		file.seekg(0, std::ios::beg);
		buffer = new char[ size + 1 ];
		file.read(buffer, size);
		buffer[ size ] = 0;
		file.close();
		// ...
	}

attribute vec4 inPosition;
// attribute vec3 inNormal;
// attribute vec2 inTexCoord0;
// attribute vec2 inTexCoord1;
// attribute vec2 inTexCoord2;

uniform mat4 WorldView;
uniform mat4 Projection;

// varying vec3 Normal;
// varying vec3 Diffuse;
// varying vec3 Specular;

void main()
{
	gl_Position = Projection * WorldView * inPosition;
	// Normal = normalize(gl_NormalMatrix * gl_Normal);
	// TexCoord = TexCoord0.st;
}

VertexShader CreateVertexShader(const std::string& file_name){	std::ifstream file;	file.exceptions(std::ios::badbit | std::ios::failbit);	file.open(file_name);	// istream_iterator and back_inserter come from <iterator>	typedef std::istream_iterator<char> iterator;	// The extra parentheses are needed here to prevent the compiler from	// interpreting this as a function definition. This is the so-called 	// "most vexing parse" should you care to look up more information.	std::string file_contents((iterator(file)), iterator());	// ...}