SceneGraph support for bounding boxs

This commit is contained in:
Kester Maddock
2004-05-16 12:54:44 +00:00
parent 3e6b05f607
commit c50055204d
10 changed files with 801 additions and 11 deletions

View File

@@ -50,12 +50,12 @@ SG_Spatial(
m_localPosition(MT_Point3(0,0,0)),
m_localRotation(1,0,0,0,1,0,0,0,1),
m_localScaling(MT_Vector3(1.f,1.f,1.f)),
m_parent_relation (NULL),
m_worldPosition(MT_Point3(0,0,0)),
m_worldRotation(0,0,0,0,0,0,0,0,0),
m_worldScaling(MT_Vector3(1.f,1.f,1.f))
m_worldScaling(MT_Vector3(1.f,1.f,1.f)),
m_parent_relation (NULL)
{
}
@@ -67,10 +67,14 @@ SG_Spatial(
m_localPosition(other.m_localPosition),
m_localRotation(other.m_localRotation),
m_localScaling(other.m_localScaling),
m_parent_relation(NULL),
m_worldPosition(other.m_worldPosition),
m_worldRotation(other.m_worldRotation),
m_worldScaling(other.m_worldScaling)
m_worldScaling(other.m_worldScaling),
m_parent_relation(NULL),
m_bbox(other.m_bbox)
{
// duplicate the parent relation for this object
m_parent_relation = other.m_parent_relation->NewCopy();
@@ -285,3 +289,28 @@ GetWorldScaling(
return m_worldScaling;
}
SG_BBox& SG_Spatial::BBox()
{
return m_bbox;
}
void SG_Spatial::SetBBox(SG_BBox& bbox)
{
m_bbox = bbox;
}
bool SG_Spatial::inside(const MT_Point3 &point) const
{
return m_bbox.transform(MT_Transform(m_worldPosition, m_worldRotation.scaled(m_worldScaling[0], m_worldScaling[1], m_worldScaling[2]))).inside(point);
}
void SG_Spatial::getBBox(MT_Point3 *box) const
{
m_bbox.get(box, MT_Transform(m_worldPosition, m_worldRotation.scaled(m_worldScaling[0], m_worldScaling[1], m_worldScaling[2])));
}
void SG_Spatial::getAABBox(MT_Point3 *box) const
{
m_bbox.getaa(box, MT_Transform(m_worldPosition, m_worldRotation.scaled(m_worldScaling[0], m_worldScaling[1], m_worldScaling[2])));
}