//
// 设置世界缩放
//
VOID CSceneNode::SetWorldScale(FLOAT x, FLOAT y, FLOAT z)
{
if (m_pParentNode) {
// 算法:
// worldScale = localScale * parentScale
// localScale = worldScale / parentScale
VEC3 localScale;
VEC3 worldScale;
Vec3Set(&worldScale, x, y, z);
Vec3Div(&localScale, &worldScale, m_pParentNode->GetWorldScale());
x = localScale[0];
y = localScale[1];
z = localScale[2];
}
SetLocalScale(x, y, z);
}
//--------------------------------------------------------------------------------------------------------------
void Vector3::operator /= ( const Vector3& v3 )
{
Vec3Div( this, this, &v3 );
}
//--------------------------------------------------------------------------------------------------------------
Vector3 Vector3::operator / ( const Vector3& v3 ) const
{
static Vector3 tmp;
Vec3Div( &tmp, this, &v3 );
return tmp;
}