diff options
Diffstat (limited to 'source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp')
| -rw-r--r-- | source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp b/source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp index 0729ec8a902..c3b0c21c8e0 100644 --- a/source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp +++ b/source/gameengine/Ketsji/KX_SG_NodeRelationships.cpp @@ -51,13 +51,20 @@ New( KX_NormalParentRelation:: UpdateChildCoordinates( SG_Spatial * child, - const SG_Spatial * parent + const SG_Spatial * parent, + bool& parentUpdated ){ MT_assert(child != NULL); + if (!parentUpdated && !child->IsModified()) + return false; + + parentUpdated = true; + if (parent==NULL) { /* Simple case */ child->SetWorldFromLocalTransform(); - return false; + child->SetModified(false); + return true; //false; } else { // the childs world locations which we will update. @@ -68,6 +75,7 @@ UpdateChildCoordinates( child->SetWorldScale(p_world_scale * child->GetLocalScale()); child->SetWorldOrientation(p_world_rotation * child->GetLocalOrientation()); child->SetWorldPosition(p_world_pos + p_world_scale * (p_world_rotation * child->GetLocalPosition())); + child->SetModified(false); return true; } } @@ -112,10 +120,15 @@ New( KX_VertexParentRelation:: UpdateChildCoordinates( SG_Spatial * child, - const SG_Spatial * parent + const SG_Spatial * parent, + bool& parentUpdated ){ MT_assert(child != NULL); + + if (!parentUpdated && !child->IsModified()) + return false; + child->SetWorldScale(child->GetLocalScale()); if (parent) @@ -124,7 +137,8 @@ UpdateChildCoordinates( child->SetWorldPosition(child->GetLocalPosition()); child->SetWorldOrientation(child->GetLocalOrientation()); - return parent != NULL; + child->SetModified(false); + return true; //parent != NULL; } /** @@ -172,10 +186,14 @@ New( KX_SlowParentRelation:: UpdateChildCoordinates( SG_Spatial * child, - const SG_Spatial * parent + const SG_Spatial * parent, + bool& parentUpdated ){ MT_assert(child != NULL); + // the child will move even if the parent is not + parentUpdated = true; + const MT_Vector3 & child_scale = child->GetLocalScale(); const MT_Point3 & child_pos = child->GetLocalPosition(); const MT_Matrix3x3 & child_rotation = child->GetLocalOrientation(); @@ -217,23 +235,12 @@ UpdateChildCoordinates( // now 'interpolate' the normal coordinates with the last // world coordinates to get the new world coordinates. - // problem 1: - // The child world scale needs to be initialized in some way for this - // to make sense - // problem 2: - // This is way of doing interpolation is nonsense - - int i; - MT_Scalar weight = MT_Scalar(1)/(m_relax + 1); - for (i=0;i <3 ;i++) { - child_w_scale[i] = (m_relax * child_w_scale[i] + child_n_scale[i]) * weight; - child_w_pos[i] = (m_relax * child_w_pos[i] + child_n_pos[i]) * weight; - child_w_rotation[0][i] = (m_relax * child_w_rotation[0][i] + child_n_rotation[0][i]) * weight; - child_w_rotation[1][i] = (m_relax * child_w_rotation[1][i] + child_n_rotation[1][i]) * weight; - child_w_rotation[2][i] = (m_relax * child_w_rotation[2][i] + child_n_rotation[2][i]) * weight; - } - + child_w_scale = (m_relax * child_w_scale + child_n_scale) * weight; + child_w_pos = (m_relax * child_w_pos + child_n_pos) * weight; + // for rotation we must go through quaternion + MT_Quaternion child_w_quat = child_w_rotation.getRotation().slerp(child_n_rotation.getRotation(), weight); + child_w_rotation.setRotation(child_w_quat); //FIXME: update physics controller. } else { child_w_scale = child_n_scale; @@ -252,8 +259,9 @@ UpdateChildCoordinates( child->SetWorldScale(child_w_scale); child->SetWorldPosition(child_w_pos); child->SetWorldOrientation(child_w_rotation); + child->SetModified(false); - return parent != NULL; + return true; //parent != NULL; } /** |