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Added Node::To[Global|Local]*

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Fixed Node::Interpolate when used in global coord sys


Former-commit-id: 1963a6c6d3df8b2bc8a3f7a2a7a7102611ca6493
This commit is contained in:
Lynix
2013-04-19 13:59:57 +02:00
parent 3616a126b8
commit fdf0c8a71f
3 changed files with 82 additions and 7 deletions
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73
src/Nazara/Utility/Node.cpp
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@@ -177,11 +177,28 @@ bool NzNode::HasChilds() const
return !m_childs.empty();
}
NzNode& NzNode::Interpolate(const NzNode& nodeA, const NzNode& nodeB, float interpolation)
NzNode& NzNode::Interpolate(const NzNode& nodeA, const NzNode& nodeB, float interpolation, nzCoordSys coordSys)
{
m_position = NzVector3f::Lerp(nodeA.m_position, nodeB.m_position, interpolation);
m_rotation = NzQuaternionf::Slerp(nodeA.m_rotation, nodeB.m_rotation, interpolation);
m_scale = NzVector3f::Lerp(nodeA.m_scale, nodeB.m_scale, interpolation);
switch (coordSys)
{
case nzCoordSys_Global:
if (!nodeA.m_derivedUpdated)
nodeA.UpdateDerived();
if (!nodeB.m_derivedUpdated)
nodeB.UpdateDerived();
m_position = ToLocalPosition(NzVector3f::Lerp(nodeA.m_derivedPosition, nodeB.m_derivedPosition, interpolation));
m_rotation = ToLocalRotation(NzQuaternionf::Slerp(nodeA.m_derivedRotation, nodeB.m_derivedRotation, interpolation));
m_scale = ToLocalScale(NzVector3f::Lerp(nodeA.m_derivedScale, nodeB.m_derivedScale, interpolation));
break;
case nzCoordSys_Local:
m_position = NzVector3f::Lerp(nodeA.m_position, nodeB.m_position, interpolation);
m_rotation = NzQuaternionf::Slerp(nodeA.m_rotation, nodeB.m_rotation, interpolation);
m_scale = NzVector3f::Lerp(nodeA.m_scale, nodeB.m_scale, interpolation);
break;
}
Invalidate();
return *this;
@@ -490,6 +507,54 @@ void NzNode::SetScale(float scaleX, float scaleY, float scaleZ, nzCoordSys coord
SetScale(NzVector3f(scaleX, scaleY, scaleZ), coordSys);
}
NzVector3f NzNode::ToGlobalPosition(const NzVector3f& localPosition) const
{
if (!m_derivedUpdated)
UpdateDerived();
return m_derivedPosition + (m_derivedScale * (m_derivedRotation * localPosition));
}
NzQuaternionf NzNode::ToGlobalRotation(const NzQuaternionf& localRotation) const
{
if (!m_derivedUpdated)
UpdateDerived();
return m_derivedRotation * localRotation;
}
NzVector3f NzNode::ToGlobalScale(const NzVector3f& localScale) const
{
if (!m_derivedUpdated)
UpdateDerived();
return m_derivedScale * localScale;
}
NzVector3f NzNode::ToLocalPosition(const NzVector3f& globalPosition) const
{
if (!m_derivedUpdated)
UpdateDerived();
return (m_derivedRotation.GetConjugate()*(globalPosition - m_derivedPosition))/m_derivedScale;
}
NzQuaternionf NzNode::ToLocalRotation(const NzQuaternionf& globalRotation) const
{
if (!m_derivedUpdated)
UpdateDerived();
return m_derivedRotation.GetConjugate() * globalRotation;
}
NzVector3f NzNode::ToLocalScale(const NzVector3f& globalScale) const
{
if (!m_derivedUpdated)
UpdateDerived();
return globalScale / m_derivedScale;
}
NzNode& NzNode::operator=(const NzNode& node)
{
SetParent(node.m_parent);