void AppWindow::motion ( int x, int y )
{
int dx = last_x - x;
int dy = y - last_y;
// Handle GUI interaction in nvGui by calling guiMouseDrag
if ( guiMouseDrag ( x, y ) ) return;
// Camera interaction
Camera3D* cam = scene.getCamera ();
switch ( cam_mode ) {
case MODE_CAMERA:
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
Vector4DF angs = cam->getAng();
angs.x += dx*.1;
angs.y += dy*.1;
cam->setOrbit ( angs, cam->getToPos(), cam->getOrbitDist(), cam->getOrbitDist() );
//cam->moveOrbit ( dx*.1, dy*.1, 0, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_MIDDLE ) {
cam->moveRelative ( dx*.1, dy*.1, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_RIGHT ) {
float orb = cam->getOrbitDist() + dy*0.1;
cam->setOrbit ( cam->getAng(), cam->getToPos(), orb, orb);
}
break;
case MODE_FOV:
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
cam->setFov ( cam->getFov() + dy*.1 );
}
break;
case MODE_LIGHT:
Light* light = scene.getLight();
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
light->moveOrbit ( dx*0.1, dy*0.1, 0, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_RIGHT ) {
light->moveOrbit ( 0, 0, dy*0.1, 0 );
}
break;
}
last_x = x;
last_y = y;
}
bool AppWindow::init ()
{
// Get comnmand line
std::string str = getCmdLine();
if ( str == "" )
str = "-i lucy.scn -s 8";
std::vector<std::string> args;
while ( str.length() > 0) {
args.push_back ( strSplit ( str, " " ) );
}
std::string filename = "";
for (int n=0; n < args.size(); n++ ) {
if ( args[n].compare ( "-p" ) == 0 ) { // added path
scene.AddPath ( std::string( args[n+1] ) );
}
if ( args[n].compare ( "-i" ) == 0 ) { // input file (scn)
filename = args[n+1];
}
if ( args[n].compare ( "-t" ) == 0 ) { // timing output
gTimingFile = "timing.csv";
}
if ( args[n].compare ( "-s" ) == 0 ) { // # samples
num_samples = atoi ( args[n+1].c_str() );
}
}
// Write timing file
gTimingFP = 0x0;
if ( gTimingFile != "" ) {
char name[1024];
strcpy ( name, gTimingFile.c_str() );
gTimingFP = fopen ( name, "wt" );
}
nvprintf ( "OpenGL + OptiX Compositing Demo\n" );
nvprintf ( "Copyright (c) 2014, NVIDIA Corporation\n" );
//-------- GUI
addGui ( 20, 20, 200, 24, "Frame Time (ms)", GUI_PRINT, GUI_FLOAT, &frameTime, 0, 0 );
//-------- Scene
// Create camera
nvprintf ( "Creating camera...\n" );
Camera3D* cam = scene.AddCamera ();
cam->setOrbit ( Vector3DF(45,30,0), Vector3DF(0,0,0), 120, 120 );
cam->setNearFar ( 1, 1000 );
cam->setFov ( 71.635 );
cam->updateMatricies ();
// Create model(s)
nvprintf ( "Creating model(s)...\n" );
nvprintf ( " Project path: %s\n", std::string(PROJECT_ABSDIRECTORY).c_str() );
scene.AddPath ( "..\\assets\\" );
scene.AddPath ( "..\\shaders\\" );
scene.AddPath ( std::string(PROJECT_RELDIRECTORY) );
scene.AddPath ( std::string(PROJECT_RELDIRECTORY) + "\\assets\\" );
scene.AddPath ( std::string(PROJECT_RELDIRECTORY) + "\\shaders\\" );
scene.AddPath ( std::string(PROJECT_ABSDIRECTORY) );
scene.AddPath ( std::string(PROJECT_ABSDIRECTORY) + "\\assets\\" );
scene.AddPath ( std::string(PROJECT_ABSDIRECTORY) + "\\shaders\\" );
scene.LoadFile ( filename );
// Initialize fonts
/* init2D ( "data/arial_24" );
setText ( 0.5, -0.5 );
setview2D ( getWidth(), getHeight() );
setorder2D ( true, -0.00001 );*/
//MoveWindow ( 5, 5, window_width, window_height );
// Setup OpenGL default render
nvprintf ( "Creating OpenGL shader...\n" );
renderAddShaderGL ( scene, "render_GL.vert.glsl", "render_GL.frag.glsl" );
// Setup OptiX
#ifdef BUILD_OPTIX
nvprintf ( "Creating Optix shader..\n" );
renderAddShaderOptix ( scene, "render_Optix.vert.glsl", "render_Optix.frag.glsl" );
nvprintf ( "Initializing Optix..\n" );
renderInitializeOptix ( getWidth(), getHeight() );
nvprintf ( "Adding models to Optix..\n" );
int mat_id = renderAddMaterialOptix ( scene, "optix_shadow_rays.ptx" );
for (int n=0; n < scene.getNumModels(); n++ )
renderAddModelOptix ( scene.getModel(n), mat_id );
nvprintf ( "Validating Optix..\n" );
renderValidateOptix ();
#endif
// Setup OptiX Prime
#ifdef BUILD_OPTIX_PRIME
nvprintf ( "Creating Optix Prime shader..\n" );
renderAddShaderOptixPrime ( scene, "render_Optix.vert.glsl", "render_Optix.frag.glsl" );
nvprintf ( "Initializing Optix Prime..\n" );
renderInitializeOptixPrime ( scene, getWidth(), getHeight() );
nvprintf ( "Adding models to Optix..\n" );
for (int n=0; n < 1; n++ )
renderAddModelOptixPrime ( scene.getModel(n) );
#endif
draw_mode = MODE_OPENGL;
#ifdef BUILD_OPTIX
draw_mode = MODE_OPTIX;
#else
nvprintf ( "***** ERROR:\n" );
nvprintf ( " OptiX 3.6.3 was not found.\n");
nvprintf ( " Please specify CUDA_LOCATION variable for CUDA 5.5 during cmake generate step.\n" );
nvprintf ( " Running sample with OpenGL only. No hard shadows will appear.\n");
nvprintf ( "*****\n\n" );
#endif
cam_mode = MODE_CAMERA;
PERF_INIT ( 64, true, false, false, 0, "" ); // 32/64bit, CPU?, GPU?, Cons out?, Level, Log file
return "OpenGL + OptiX Compositing";
}
