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Changed the osg::Shape related projectors so that they used pointers rather

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than references.
This commit is contained in:
Robert Osfield
2007-02-11 12:22:58 +00:00
parent 19db0c1674
commit 1484ab515e
4 changed files with 39 additions and 39 deletions
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54
src/osgManipulator/Projector.cpp
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@@ -331,7 +331,7 @@ SphereProjector::SphereProjector() : _sphere(new osg::Sphere), _front(true)
{
}
SphereProjector::SphereProjector(osg::Sphere& sphere) : _sphere(&sphere), _front(true)
SphereProjector::SphereProjector(osg::Sphere* sphere) : _sphere(sphere), _front(true)
{
}
@@ -366,7 +366,7 @@ bool SphereProjector::project(const osg::Vec2& pointToProject, const osgUtil::Sc
bool SphereProjector::isPointInFront(const osg::Vec3& point, const osgUtil::SceneView& sv, const osg::Matrix& localToWorld) const
{
osg::Vec3 centerToPoint = getSphere().getCenter() - point;
osg::Vec3 centerToPoint = getSphere()->getCenter() - point;
if (centerToPoint * getEyeDirection(sv.getViewMatrix(), localToWorld) < 0.0)
return false;
return true;
@@ -377,7 +377,7 @@ SpherePlaneProjector::SpherePlaneProjector()
{
}
SpherePlaneProjector::SpherePlaneProjector(osg::Sphere& sphere) : SphereProjector(sphere)
SpherePlaneProjector::SpherePlaneProjector(osg::Sphere* sphere) : SphereProjector(sphere)
{
}
@@ -393,15 +393,15 @@ osg::Quat SpherePlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnSphere
{
osg::Quat rotation;
if (_front)
rotation.makeRotate(p1 - getSphere().getCenter(), p2 - getSphere().getCenter());
rotation.makeRotate(p1 - getSphere()->getCenter(), p2 - getSphere()->getCenter());
else
rotation.makeRotate(p2 - getSphere().getCenter(), p1 - getSphere().getCenter());
rotation.makeRotate(p2 - getSphere()->getCenter(), p1 - getSphere()->getCenter());
return rotation;
}
else if (!p1OnSphere && !p2OnSphere)
{
osg::Quat rotation;
rotation.makeRotate(p1 - getSphere().getCenter(), p2 - getSphere().getCenter());
rotation.makeRotate(p1 - getSphere()->getCenter(), p2 - getSphere()->getCenter());
osg::Vec3 axis; double angle;
rotation.getRotate(angle, axis);
@@ -414,11 +414,11 @@ osg::Quat SpherePlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnSphere
osg::Quat rollRotation(angle, realAxis);
osg::Vec3 diff1 = p1 - getSphere().getCenter();
osg::Vec3 diff2 = p2 - getSphere().getCenter();
osg::Vec3 diff1 = p1 - getSphere()->getCenter();
osg::Vec3 diff2 = p2 - getSphere()->getCenter();
float d = diff2.length() - diff1.length();
float theta = d / getSphere().getRadius();
float theta = d / getSphere()->getRadius();
if (fabs(theta) < 0.000001 || fabs(theta) > 1.0)
return rollRotation;
@@ -432,19 +432,19 @@ osg::Quat SpherePlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnSphere
}
else
{
const osg::Vec3& planePoint = getSphere().getCenter();
const osg::Vec3& planePoint = getSphere()->getCenter();
osg::Vec3 intersection, dontCare;
if (p1OnSphere)
getSphereLineIntersection(getSphere(), p2, planePoint, intersection, dontCare);
getSphereLineIntersection(*getSphere(), p2, planePoint, intersection, dontCare);
else
getSphereLineIntersection(getSphere(), p1, planePoint, intersection, dontCare);
getSphereLineIntersection(*getSphere(), p1, planePoint, intersection, dontCare);
osg::Quat rotation;
if (p1OnSphere)
rotation.makeRotate(p1 - getSphere().getCenter(), intersection - getSphere().getCenter());
rotation.makeRotate(p1 - getSphere()->getCenter(), intersection - getSphere()->getCenter());
else
rotation.makeRotate(intersection - getSphere().getCenter(), p2 - getSphere().getCenter());
rotation.makeRotate(intersection - getSphere()->getCenter(), p2 - getSphere()->getCenter());
return rotation;
}
}
@@ -475,7 +475,7 @@ bool SpherePlaneProjector::project(const osg::Vec2& pointToProject, const osgUti
hitSphere = getSphereLineIntersection(*_sphere, objectNearPoint, objectFarPoint, dontCare, sphereIntersection);
// Compute plane oriented to the eye.
_plane = computePlaneThruPointAndOrientedToEye(sv.getViewMatrix(), getLocalToWorld(), getSphere().getCenter(), _front);
_plane = computePlaneThruPointAndOrientedToEye(sv.getViewMatrix(), getLocalToWorld(), getSphere()->getCenter(), _front);
// Find the intersection on the plane.
osg::Vec3 planeIntersection;
@@ -491,11 +491,11 @@ bool SpherePlaneProjector::project(const osg::Vec2& pointToProject, const osgUti
}
// Distance from the plane intersection point to the center of the sphere.
float dist = (planeIntersection - getSphere().getCenter()).length();
float dist = (planeIntersection - getSphere()->getCenter()).length();
// If the distance is less that the sphere radius choose the sphere intersection else choose
// the plane intersection.
if (dist < getSphere().getRadius())
if (dist < getSphere()->getRadius())
{
if (! hitSphere) return false;
projectedPoint = sphereIntersection;
@@ -513,7 +513,7 @@ CylinderProjector::CylinderProjector() : _cylinder(new osg::Cylinder()), _cylind
{
}
CylinderProjector::CylinderProjector(osg::Cylinder& cylinder) : _front(true)
CylinderProjector::CylinderProjector(osg::Cylinder* cylinder) : _front(true)
{
setCylinder(cylinder);
}
@@ -548,7 +548,7 @@ bool CylinderProjector::project(const osg::Vec2& pointToProject, const osgUtil::
bool CylinderProjector::isPointInFront(const osg::Vec3& point, const osgUtil::SceneView& sv, const osg::Matrix& localToWorld) const
{
osg::Vec3 closestPointOnAxis;
computeClosestPointOnLine(getCylinder().getCenter(), getCylinder().getCenter() + _cylinderAxis,
computeClosestPointOnLine(getCylinder()->getCenter(), getCylinder()->getCenter() + _cylinderAxis,
point, closestPointOnAxis);
osg::Vec3 perpPoint = point - closestPointOnAxis;
@@ -561,7 +561,7 @@ CylinderPlaneProjector::CylinderPlaneProjector()
{
}
CylinderPlaneProjector::CylinderPlaneProjector(osg::Cylinder& cylinder) : CylinderProjector(cylinder)
CylinderPlaneProjector::CylinderPlaneProjector(osg::Cylinder* cylinder) : CylinderProjector(cylinder)
{
}
@@ -603,7 +603,7 @@ bool CylinderPlaneProjector::project(const osg::Vec2& pointToProject, const osgU
// Compute plane oriented to the eye.
_plane = computePlaneParallelToAxisAndOrientedToEye(sv.getViewMatrix(), getLocalToWorld(), _cylinderAxis,
getCylinder().getRadius(), _planeLineStart, _planeLineEnd,
getCylinder()->getRadius(), _planeLineStart, _planeLineEnd,
_front);
// Find the intersection on the plane.
@@ -616,13 +616,13 @@ bool CylinderPlaneProjector::project(const osg::Vec2& pointToProject, const osgU
getPlaneLineIntersection(_plane.asVec4(), cylIntersection, cylIntersection + _plane.getNormal(), projectIntersection);
osg::Vec3 closestPointToCylAxis;
computeClosestPointOnLine(getCylinder().getCenter(), getCylinder().getCenter() + _cylinderAxis,
computeClosestPointOnLine(getCylinder()->getCenter(), getCylinder()->getCenter() + _cylinderAxis,
projectIntersection, closestPointToCylAxis);
// Distance from the plane intersection point to the closest point on the cylinder axis.
float dist = (projectIntersection - closestPointToCylAxis).length();
if (dist < getCylinder().getRadius())
if (dist < getCylinder()->getRadius())
{
if (!hitCylinder) return false;
projectedPoint = cylIntersection;
@@ -648,9 +648,9 @@ osg::Quat CylinderPlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnCyl,
if (p1OnCyl && p2OnCyl)
{
osg::Vec3 closestPointToCylAxis1, closestPointToCylAxis2;
computeClosestPointOnLine(getCylinder().getCenter(), getCylinder().getCenter() + _cylinderAxis * getCylinder().getHeight(),
computeClosestPointOnLine(getCylinder()->getCenter(), getCylinder()->getCenter() + _cylinderAxis * getCylinder()->getHeight(),
p1, closestPointToCylAxis1);
computeClosestPointOnLine(getCylinder().getCenter(), getCylinder().getCenter() + _cylinderAxis * getCylinder().getHeight(),
computeClosestPointOnLine(getCylinder()->getCenter(), getCylinder()->getCenter() + _cylinderAxis * getCylinder()->getHeight(),
p2, closestPointToCylAxis2);
osg::Vec3 v1 = p1 - closestPointToCylAxis1;
@@ -680,7 +680,7 @@ osg::Quat CylinderPlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnCyl,
osg::Vec3 diff = v2 - v1;
float d = diff.length();
float angle = (getCylinder().getRadius() == 0.0) ? 0.0 : (d / getCylinder().getRadius());
float angle = (getCylinder()->getRadius() == 0.0) ? 0.0 : (d / getCylinder()->getRadius());
osg::Vec3 rotAxis = _plane.getNormal() ^ v1;
if (v2.length() > v1.length())
@@ -699,7 +699,7 @@ osg::Quat CylinderPlaneProjector::getRotation(const osg::Vec3& p1, bool p1OnCyl,
osg::Vec3 dirToOffCylinderPt = offCylinderPt - linePtNearest;
dirToOffCylinderPt.normalize();
osg::Vec3 ptOnCylinder = linePtNearest + dirToOffCylinderPt * getCylinder().getRadius();
osg::Vec3 ptOnCylinder = linePtNearest + dirToOffCylinderPt * getCylinder()->getRadius();
if (p1OnCyl)
return (getRotation(p1, true, ptOnCylinder, true) *