void plRTSpotLight::GetLocalBoundBox( TimeValue t, INode *node, ViewExp *vpt, Box3 &box )
{
Point3 loc = node->GetObjectTM( t ).GetTrans();
float scaleFactor = vpt->NonScalingObjectSize() * vpt->GetVPWorldWidth( loc ) / 360.0f;
float width, depth;
box = fMesh.getBoundingBox();
// Because we want to scale about the origin, not the box center, we have to do this funky offset
Point3 boxCenter = box.Center();
box.Translate( -boxCenter );
box.Scale( scaleFactor );
boxCenter *= scaleFactor;
box.Translate( boxCenter );
// Include points for the spotlight. That means either the attenuated cone or
// our unattenuated cone display
if( ( extDispFlags & EXT_DISP_ONLY_SELECTED ) )
{
if( GetUseAtten() )
depth = GetAtten( t, ATTEN_END );
else
depth = 100.f + 50.f; // Include arrows
width = depth * tan( DegToRad( GetFallsize( t ) / 2.f ) );
box += Point3( -width, -width, 0.f );
box += Point3( width, width, -depth );
}
}
void plRTProjDirLight::GetLocalBoundBox( TimeValue t, INode *node, ViewExp *vpt, Box3 &box )
{
Point3 loc = node->GetObjectTM( t ).GetTrans();
float scaleFactor = vpt->NonScalingObjectSize() * vpt->GetVPWorldWidth( loc ) / 360.0f;
float width, height, depth;
box = fMesh.getBoundingBox();
// Because we want to scale about the origin, not the box center, we have to do this funky offset
Point3 boxCenter = box.Center();
box.Translate( -boxCenter );
box.Scale( scaleFactor );
boxCenter *= scaleFactor;
box.Translate( boxCenter );
if( ( extDispFlags & EXT_DISP_ONLY_SELECTED ) )
{
fProjPB->GetValue( kWidth, t, width, FOREVER );
fProjPB->GetValue( kHeight, t, height, FOREVER );
fProjPB->GetValue( kRange, t, depth, FOREVER );
width /= 2.f;
height /= 2.f;
box += Point3( -width, -height, 0.f );
box += Point3( width, height, -depth );
}
}
void plRTDirLight::GetLocalBoundBox( TimeValue t, INode *node, ViewExp *vpt, Box3 &box )
{
Point3 loc = node->GetObjectTM( t ).GetTrans();
float scaleFactor = vpt->NonScalingObjectSize() * vpt->GetVPWorldWidth( loc ) / 360.0f;
float width, height, depth;
box = fMesh.getBoundingBox();
// Because we want to scale about the origin, not the box center, we have to do this funky offset
Point3 boxCenter = box.Center();
box.Translate( -boxCenter );
box.Scale( scaleFactor );
boxCenter *= scaleFactor;
box.Translate( boxCenter );
if( ( extDispFlags & EXT_DISP_ONLY_SELECTED ) )
{
width = 2 * 20.f + ( 10.f / 2.f ); // Add in half arrow size
height = 2 * 20.f + ( 10.f / 2.f );
depth = 100.f;
box += Point3( -width, -height, 0.f );
box += Point3( width, height, -depth );
}
}
