Assembly *GraspGLObjects::CreateRollPrompt( double radius ) {
Assembly *prompt = new Assembly();
// Angular extent of the circular arrow, where 1.0 = 360°.
double guage = radius / 10.0;
double arc = 0.85;
Annulus *donut = new Annulus( radius, guage, arc, curve_facets, curve_facets );
donut->SetAttitude( 0.0, 90.0, 0.0 );
prompt->AddComponent( donut );
TaperedAnnulus *tip = new TaperedAnnulus( radius, radius / 3.0, 1.0, 0.05, curve_facets );
tip->SetAttitude( 0.0, 90.0, 0.0 );
tip->SetOrientation( - arc * 360.0, 0.0, 0.0 );
prompt->AddComponent( tip );
Ellipsoid *base = new Ellipsoid ( guage, guage / 2.0, guage );
base->SetPosition( radius, 0.0, 0.0 );
prompt->AddComponent( base );
prompt->SetColor( 0.5, 0.5, 0.5, 0.5 );
return prompt;
}
// Create a translucid cloud to show where to place the hand.
Assembly *GraspGLObjects::CreateZone( void ) {
Assembly *assembly = new Assembly();
Disk *disk = new Disk( 50.0, 0.0, 128 );
assembly->AddComponent( disk );
// Set the color to a blinking translucid green.
assembly->SetColor( 0.0, 1.0, 0.0, - 0.05 );
return assembly;
}
Assembly *GraspGLObjects::CreateStarrySky( void ) {
Assembly *sky = new Assembly();
Patch *patch = new Patch( room_radius * 4.4, room_radius * 4.4 );
patch->SetTexture( sky_texture );
sky->AddComponent( patch );
sky->SetColor(WHITE);
return( sky );
}
Assembly *GraspGLObjects::CreateDarkSky( void ) {
Assembly *darkSky = new Assembly();
Patch *patch = new Patch( room_radius * 2.2, room_radius * 2.2 );
patch->SetTexture( sky_texture );// there is something strange if I dont put the texture the ligthing of the whole tunnel changes
darkSky->AddComponent( patch );
darkSky->SetColor( BLACK );
darkSky->enabled = false;
return( darkSky );
}
Assembly *GraspGLObjects::CreateIndicator( Texture *texture, double hole_radius ) {
Assembly *assembly = new Assembly();
Disk *surface;
surface = new Disk( 120.0, hole_radius, 128 );
surface->SetTexture( texture );
assembly->AddComponent( surface );
assembly->SetColor( 0.9, 0.9, 1.0, hmdTransparency );
assembly->Disable();
return assembly;
}
Assembly *GraspGLObjects::CreatePositionOnlyTarget( void ) {
Assembly *target = new Assembly();
Sphere *sphere = new Sphere( room_radius - 100.0 );
target->AddComponent( sphere );
target->SetColor( Translucid( CYAN ) );
// I put back the sphere so that we don't get a flattened disk in an oblique view.
// I changed the color to CYAN to provide a better background to the yellow-red hand.
//Disk *disk = new Disk( room_radius - 80.0, 0.0 );//Tagliabue (disk instead of sphere otherwise it hides
//disk->SetPosition(0.0 , 0.0 , 5.0);//Tagliabue (moved slightly in front of the sky otherwhise interferences)
//target->AddComponent( disk );//Tagliabue
//target->SetColor( Translucid( ORANGE ) );//Tagliabue (translucid is to avoid to see too clearly the pixels)
return target;
}
Assembly *GraspGLObjects::CreateKinestheticTool( void ) {
static const double hand_radius = finger_ball_radius * 2.5;
Assembly *finger = new Assembly();
Sphere *sphere = new Sphere( hand_radius );
sphere->SetPosition( 0.0, 0.0, 0.0 );
finger->AddComponent( sphere );
Cylinder *cylinder = new Cylinder( hand_radius, hand_radius, finger_length );
cylinder->SetPosition( 0.0, 0.0, - finger_length / 2 );
finger->AddComponent( cylinder );
sphere = new Sphere( hand_radius );
sphere->SetPosition( 0.0, 0.0, - finger_length );
finger->AddComponent( sphere );
// Set a default color. I like blue.
// In K-K color will be varied according to the orientation error.
finger->SetColor( 0.0, 0.0, 1.0, 1.0 );
return finger;
}
Assembly *GraspGLObjects::CreateRoom( void ) {
Assembly *structure = new Assembly();
structure->SetColor( BLACK );
// Tunnel
tunnel = new Assembly();
Cylinder *cylinder = new Cylinder( room_radius, room_radius, room_length, room_facets );
cylinder->SetColor( WHITE );
cylinder->SetTexture( wall_texture );
cylinder->SetOrientation( 90.0, 0.0, 0.0 );
tunnel->AddComponent( cylinder );
// Reference Bars
double bar_length = room_length - 5.0 * reference_bar_radius;
for (int i=0; i < reference_bars; i++ ){
Cylinder *referenceBar = new Cylinder( reference_bar_radius, reference_bar_radius, bar_length, reference_bar_facets );
referenceBar->SetOffset( room_radius, 0.0, 0.0 );
referenceBar->SetOrientation( 90.0 + 180 * (float) i / (float) reference_bars, referenceBar->kVector );
referenceBar->SetColor( 1.0 - (double) i / reference_bars, 1.0f - (double) i / reference_bars, 1.0f - (double) i / reference_bars, 1.0 );
// The texturing on the bars may be commented out for the moment because it lengthens the rendering time too much.
referenceBar->SetTexture( references_texture );
tunnel->AddComponent( referenceBar );
referenceBar = new Cylinder( reference_bar_radius, reference_bar_radius, bar_length, reference_bar_facets );
referenceBar->SetOffset( room_radius, 0.0, 0.0 );
referenceBar->SetOrientation( - 90.0 + 180 * (float) i / (float) reference_bars, referenceBar->kVector );
referenceBar->SetColor( (double) i / reference_bars, (double) i / reference_bars, (double) i / reference_bars, 1.0 );
// See above.
referenceBar->SetTexture( references_texture );
tunnel->AddComponent( referenceBar );
}
structure->AddComponent( tunnel );
Sphere *sphere = new Sphere( target_ball_radius );
sphere->SetPosition( 0.0, 0.0, room_length / 2.0 );
sphere->SetColor( RED );
structure->AddComponent( sphere );
return structure;
}
