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Added ALT modifier to selection rotation

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brunoherbelin
2021-03-16 22:09:15 +01:00
parent ca0058c741
commit 77764248b5
2 changed files with 21 additions and 9 deletions
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27
GeometryView.cpp
View File

@@ -62,15 +62,14 @@ GeometryView::GeometryView() : View(GEOMETRY)
overlay_position_cross_->visible_ = false;
// 'clock' : tic marks every 10 degrees for ROTATION
// with dark background
Group *g = new Group;
Symbol *s = new Symbol(Symbol::CLOCK);
g->attach(s);
s = new Symbol(Symbol::CIRCLE_POINT);
overlay_rotation_clock_ = new Group;
overlay_rotation_clock_tic_ = new Symbol(Symbol::CLOCK);
overlay_rotation_clock_->attach(overlay_rotation_clock_tic_);
Symbol *s = new Symbol(Symbol::CIRCLE_POINT);
s->color = glm::vec4(0.f, 0.f, 0.f, 0.1f);
s->scale_ = glm::vec3(28.f, 28.f, 1.f);
s->translation_.z = -0.1;
g->attach(s);
overlay_rotation_clock_ = g;
overlay_rotation_clock_->attach(s);
overlay_rotation_clock_->scale_ = glm::vec3(0.25f, 0.25f, 1.f);
scene.fg()->attach(overlay_rotation_clock_);
overlay_rotation_clock_->visible_ = false;
@@ -90,7 +89,7 @@ GeometryView::GeometryView() : View(GEOMETRY)
overlay_rotation_->visible_ = false;
// 'grid' : tic marks every 0.1 step for SCALING
// with dark background
g = new Group;
Group *g = new Group;
s = new Symbol(Symbol::GRID);
g->attach(s);
s = new Symbol(Symbol::SQUARE_POINT);
@@ -603,15 +602,26 @@ View::Cursor GeometryView::grab (Source *s, glm::vec2 from, glm::vec2 to, std::p
// compute rotation angle
float angle = glm::orientedAngle( glm::normalize(glm::vec2(selection_from)), glm::normalize(glm::vec2(selection_to)));
glm::mat4 R = glm::rotate(glm::identity<glm::mat4>(), angle, glm::vec3(0.f, 0.f, 1.f) );
// apply to selection overlay
glm::vec4 vec = S * glm::vec4( overlay_selection_stored_status_->scale_, 0.f );
overlay_selection_->scale_ = glm::vec3(vec);
overlay_selection_->rotation_.z = overlay_selection_stored_status_->rotation_.z + angle;
// POST-CORRECTION ; discretized rotation with ALT
if (UserInterface::manager().altModifier()) {
int degrees = int( glm::degrees(overlay_selection_->rotation_.z) );
degrees = (degrees / 10) * 10;
overlay_selection_->rotation_.z = glm::radians( float(degrees) );
angle = overlay_selection_->rotation_.z - overlay_selection_stored_status_->rotation_.z;
overlay_rotation_clock_->visible_ = true;
overlay_rotation_clock_->copyTransform(overlay_rotation_);
overlay_rotation_clock_tic_->color = overlay_selection_icon_->color;
}
// apply to selection sources
// NB: complete transform matrix (right to left) : move to center, rotate, scale and move back
glm::mat4 R = glm::rotate(glm::identity<glm::mat4>(), angle, glm::vec3(0.f, 0.f, 1.f) );
glm::mat4 M = T * S * R * glm::inverse(T);
applySelectionTransform(M);
@@ -1003,6 +1013,7 @@ void GeometryView::terminate()
overlay_rotation_->color = glm::vec4(1.f, 1.f, 1.f, 0.8f);
overlay_rotation_fix_->color = glm::vec4(1.f, 1.f, 1.f, 0.8f);
overlay_rotation_clock_tic_->color = glm::vec4(1.f, 1.f, 1.f, 0.8f);
overlay_scaling_->color = glm::vec4(1.f, 1.f, 1.f, 0.8f);
overlay_scaling_cross_->color = glm::vec4(1.f, 1.f, 1.f, 0.8f);