void render()
{
fr.SetCameraPos(Camera.getPos());
glm::mat4 view = Camera.getView();
glm::mat4 projection = Camera.getProjection();
glClearColor( 0.f, 0.f, 0.0f, 0.f );
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
fr.render(view, projection);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
pr.render(view,projection);
pr2.render(view,projection);
pr3.render(view,projection);
glDisable(GL_BLEND);
GBuffer::BindForWriting();
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClearColor( 0.f, 0.f, 0.0f, 0.f );
Plane.render(view,projection);
glDisable(GL_DEPTH_TEST);
GBuffer::DefaultBuffer();
return;
}
void render()
{
fr.SetCameraPos(Camera.getPos());
glm::mat4 view = Camera.getView();
glm::mat4 projection = Camera.getProjection();
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glClearColor( 0.f, 0.f, 0.5f, 0.f );
fr.render(view, projection);
GBuffer::BindForWriting();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glClearColor( 0.f, 0.f, 0.5f, 0.f );
Terrain.render(view, projection);
GBuffer::DefaultBuffer();
//glDisable(GL_CULL_FACE);
//glDisable(GL_DEPTH_TEST);
return;
}
bool init()
{
//Initialization flag
bool success = true;
//Initialize SDL
if ( SDL_Init( SDL_INIT_VIDEO ) < 0 )
{
printf( "SDL could not initialize! SDL Error: %s\n", SDL_GetError() );
success = false;
}
else
{
//Use OpenGL 3.3 -- Make sure you have a graphics card that supports 3.3
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 3 );
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
//Create window
gWindow = SDL_CreateWindow( "SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN );
if ( gWindow == NULL )
{
printf( "Window could not be created! SDL Error: %s\n", SDL_GetError() );
success = false;
}
else
{
//Create context
gContext = SDL_GL_CreateContext( gWindow );
if ( gContext == NULL )
{
printf( "OpenGL context could not be created! SDL Error: %s\n", SDL_GetError() );
success = false;
}
else
{
auto t = glGetError();
cout << ErrorString(t) << endl;
//Use Vsync
if ( SDL_GL_SetSwapInterval( 1 ) < 0 )
{
printf( "Warning: Unable to set VSync! SDL Error: %s\n", SDL_GetError() );
}
t = glGetError();
cout << ErrorString(t) << endl;
#if !defined(__APPLE__) && !defined(MACOSX)
cout << glewGetString(GLEW_VERSION) << endl;
glewExperimental = GL_TRUE;
auto status = glewInit();
//Check for error
if (status != GLEW_OK)
{
//std::cerr << "GLEW Error: " << glewGetErrorString(status) << "\n";
success = false;
}
#endif
t = glGetError();
cout << ErrorString(t) << endl;
//Initialize OpenGL
if ( !initGL() )
{
printf( "OUCH Unable to initialize OpenGL!\n" );
success = false;
}
//cout << glGetString(GL_VERSION) << endl;
cout << "GUFFER SUCCESS: " << GBuffer::Init(SCREEN_WIDTH, SCREEN_HEIGHT) << endl;
fr.setup();
fr.setScreenDims(SCREEN_WIDTH, SCREEN_HEIGHT);
}
}
}
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
return success;
}