ToolResponse runMoveEvent (const ViewPointingEvent& e) {
auto minDistance = [this] (const Intersection& intersection) -> bool {
const float d = this->radiusEdit.doubleValue () * this->stepWidthFactor;
return glm::distance (this->previousPosition, intersection.position ()) > d;
};
if (e.primaryButton ()) {
if (e.modifiers () == Qt::ShiftModifier) {
SketchPathIntersection intersection;
if (this->self->intersectsScene (e, intersection)) {
this->cursor.enable ();
this->cursor.position (intersection.position ());
if (minDistance (intersection)) {
this->previousPosition = intersection.position ();
this->mesh = &intersection.mesh ();
this->mesh->smoothPath ( intersection.path ()
, PrimSphere ( intersection.position ()
, this->radiusEdit.doubleValue () )
, 1
, this->smoothEffect
, this->self->mirrorDimension () );
}
}
}
else if (this->mesh) {
SketchMeshIntersection intersection;
const unsigned int numExcludedLastPaths = this->self->hasMirror () ? 2 : 1;
bool considerHeight = true;
if (this->self->intersectsScene (e, intersection, numExcludedLastPaths) == false) {
const Camera& camera = this->self->state ().camera ();
const PrimRay ray = camera.ray (e.ivec2 ());
const PrimPlane plane = PrimPlane ( this->previousPosition
, DimensionUtil::vector (camera.primaryDimension ()) );
float t;
if (IntersectionUtil::intersects (ray, plane, &t)) {
intersection.update (t, ray.pointAt (t), plane.normal (), *this->mesh);
considerHeight = false;
}
}
if (intersection.isIntersection () && minDistance (intersection)) {
this->previousPosition = intersection.position ();
this->mesh->addSphere ( false
, intersection.position ()
, this->newSpherePosition (considerHeight, intersection)
, this->radiusEdit.doubleValue ()
, this->self->mirrorDimension () );
}
}
return ToolResponse::Redraw;
}
else {
return this->runCursorUpdate (e.ivec2 ());
}
}
ToolResponse runPressEvent (const ViewPointingEvent& e) {
auto setupOnIntersection = [this] (const SketchMeshIntersection& intersection) {
this->cursor.enable ();
this->cursor.position (intersection.position ());
this->self->snapshotSketchMeshes ();
this->mesh = &intersection.mesh ();
this->previousPosition = intersection.position ();
};
if (e.primaryButton ()) {
if (e.modifiers () == Qt::ShiftModifier) {
SketchPathIntersection intersection;
if (this->self->intersectsScene (e, intersection)) {
setupOnIntersection (intersection);
this->mesh->smoothPath ( intersection.path ()
, PrimSphere ( intersection.position ()
, this->radiusEdit.doubleValue () )
, 1
, this->smoothEffect
, this->self->mirrorDimension () );
}
}
else {
SketchMeshIntersection intersection;
if (this->self->intersectsScene (e, intersection)) {
setupOnIntersection (intersection);
this->mesh->addSphere ( true
, intersection.position ()
, this->newSpherePosition (true, intersection)
, this->radiusEdit.doubleValue ()
, this->self->mirrorDimension () );
}
else {
this->cursor.disable ();
}
}
return ToolResponse::Redraw;
}
else {
return ToolResponse::None;
}
}
bool carvelikeStroke ( const ViewPointingEvent& e, bool useRecentOctree
, const std::function <void ()>* toggle )
{
if (this->updateBrushAndCursorByIntersection (e, useRecentOctree)) {
const float defaultIntesity = this->brush.intensity ();
this->brush.intensity (defaultIntesity * e.intensity ());
if (toggle && e.modifiers () == Qt::ShiftModifier) {
(*toggle) ();
this->sculpt ();
(*toggle) ();
}
else {
this->sculpt ();
}
this->brush.intensity (defaultIntesity);
return true;
}
else {
return false;
}
}
