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add set_pos_quat() and set_quat_scale()

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This commit is contained in:
David Rose 2005-01-17 06:03:58 +00:00
parent 41103d6702
commit 3a00e5c17e
2 changed files with 105 additions and 4 deletions
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91
panda/src/pgraph/nodePath.cxx
View File

@ -1074,6 +1074,22 @@ set_pos_hpr(const LVecBase3f &pos, const LVecBase3f &hpr) {
node()->reset_prev_transform(); node()->reset_prev_transform();
} }
////////////////////////////////////////////////////////////////////
// Function: NodePath::set_pos_quat
// Access: Published
// Description: Sets the translation and rotation component of the
// transform, leaving scale untouched.
////////////////////////////////////////////////////////////////////
void NodePath::
set_pos_quat(const LVecBase3f &pos, const LQuaternionf &quat) {
nassertv_always(!is_empty());
CPT(TransformState) transform = get_transform();
transform = TransformState::make_pos_quat_scale_shear
(pos, quat, transform->get_scale(), transform->get_shear());
set_transform(transform);
node()->reset_prev_transform();
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: NodePath::set_hpr_scale // Function: NodePath::set_hpr_scale
// Access: Published // Access: Published
@ -1089,6 +1105,21 @@ set_hpr_scale(const LVecBase3f &hpr, const LVecBase3f &scale) {
set_transform(transform); set_transform(transform);
} }
////////////////////////////////////////////////////////////////////
// Function: NodePath::set_quat_scale
// Access: Published
// Description: Sets the rotation and scale components of the
// transform, leaving translation untouched.
////////////////////////////////////////////////////////////////////
void NodePath::
set_quat_scale(const LQuaternionf &quat, const LVecBase3f &scale) {
nassertv_always(!is_empty());
CPT(TransformState) transform = get_transform();
transform = TransformState::make_pos_quat_scale_shear
(transform->get_pos(), quat, scale, transform->get_shear());
set_transform(transform);
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: NodePath::set_pos_hpr_scale // Function: NodePath::set_pos_hpr_scale
// Access: Published // Access: Published
@ -1647,6 +1678,44 @@ set_pos_hpr(const NodePath &other, const LVecBase3f &pos,
} }
} }
////////////////////////////////////////////////////////////////////
// Function: NodePath::set_pos_quat
// Access: Published
// Description: Sets the translation and rotation component of the
// transform, relative to the other node.
////////////////////////////////////////////////////////////////////
void NodePath::
set_pos_quat(const NodePath &other, const LVecBase3f &pos,
const LQuaternionf &quat) {
nassertv_always(!is_empty());
CPT(TransformState) rel_transform = get_transform(other);
CPT(TransformState) orig_transform = get_transform();
if (orig_transform->has_components()) {
// If we had a componentwise transform before we started, we
// should be careful to preserve the other two components. We
// wouldn't need to do this, except for the possibility of
// numerical error or decompose ambiguity.
const LVecBase3f &orig_scale = orig_transform->get_scale();
const LVecBase3f &orig_shear = orig_transform->get_shear();
set_transform(other, TransformState::make_pos_quat_scale_shear
(pos, quat, rel_transform->get_scale(), rel_transform->get_shear()));
const TransformState *new_transform = get_transform();
if (new_transform->has_components()) {
set_pos_quat_scale_shear(new_transform->get_pos(), new_transform->get_quat(),
orig_scale, orig_shear);
}
} else {
// If we didn't have a componentwise transform already, never
// mind.
set_transform(other, TransformState::make_pos_quat_scale_shear
(pos, quat, rel_transform->get_scale(), rel_transform->get_shear()));
node()->reset_prev_transform();
}
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: NodePath::set_hpr_scale // Function: NodePath::set_hpr_scale
// Access: Published // Access: Published
@ -1668,6 +1737,28 @@ set_hpr_scale(const NodePath &other, const LVecBase3f &hpr, const LVecBase3f &sc
set_transform(other, transform); set_transform(other, transform);
} }
////////////////////////////////////////////////////////////////////
// Function: NodePath::set_quat_scale
// Access: Published
// Description: Sets the rotation and scale components of the
// transform, leaving translation untouched. This, or
// set_pos_quat_scale, is the preferred way to update a
// transform when both quat and scale are to be changed.
////////////////////////////////////////////////////////////////////
void NodePath::
set_quat_scale(const NodePath &other, const LQuaternionf &quat,
const LVecBase3f &scale) {
// We don't bother trying very hard to preserve pos across this
// operation, unlike the work we do above to preserve quat or scale,
// since it generally doesn't matter that much if pos is off by a
// few thousandths.
nassertv_always(!is_empty());
CPT(TransformState) transform = get_transform(other);
transform = TransformState::make_pos_quat_scale_shear
(transform->get_pos(), quat, scale, transform->get_shear());
set_transform(other, transform);
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: NodePath::set_pos_hpr_scale // Function: NodePath::set_pos_hpr_scale
// Access: Published // Access: Published

18
panda/src/pgraph/nodePath.h
View File

@ -315,11 +315,15 @@ PUBLISHED:
float h, float p, float r); float h, float p, float r);
void set_pos_hpr(const LVecBase3f &pos, void set_pos_hpr(const LVecBase3f &pos,
const LVecBase3f &hpr); const LVecBase3f &hpr);
void set_pos_quat(const LVecBase3f &pos,
const LQuaternionf &quat);
INLINE void set_hpr_scale(float h, float p, float r, INLINE void set_hpr_scale(float h, float p, float r,
float sx, float sy, float sz); float sx, float sy, float sz);
void set_hpr_scale(const LVecBase3f &hpr, void set_hpr_scale(const LVecBase3f &hpr,
const LVecBase3f &scale); const LVecBase3f &scale);
void set_quat_scale(const LQuaternionf &quat,
const LVecBase3f &scale);
INLINE void set_pos_hpr_scale(float x, float y, float z, INLINE void set_pos_hpr_scale(float x, float y, float z,
float h, float p, float r, float h, float p, float r,
float sx, float sy, float sz); float sx, float sy, float sz);
@ -408,12 +412,18 @@ PUBLISHED:
void set_pos_hpr(const NodePath &other, void set_pos_hpr(const NodePath &other,
const LVecBase3f &pos, const LVecBase3f &pos,
const LVecBase3f &hpr); const LVecBase3f &hpr);
void set_pos_quat(const NodePath &other,
const LVecBase3f &pos,
const LQuaternionf &quat);
INLINE void set_hpr_scale(const NodePath &other, INLINE void set_hpr_scale(const NodePath &other,
float h, float p, float r, float h, float p, float r,
float sx, float sy, float sz); float sx, float sy, float sz);
void set_hpr_scale(const NodePath &other, void set_hpr_scale(const NodePath &other,
const LVecBase3f &hpr, const LVecBase3f &hpr,
const LVecBase3f &scale); const LVecBase3f &scale);
void set_quat_scale(const NodePath &other,
const LQuaternionf &quat,
const LVecBase3f &scale);
INLINE void set_pos_hpr_scale(const NodePath &other, INLINE void set_pos_hpr_scale(const NodePath &other,
float x, float y, float z, float x, float y, float z,
float h, float p, float r, float h, float p, float r,