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3D gizmos' grabber size as a function of selected objects size

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This commit is contained in:
Enrico Turri 2018-09-11 14:48:17 +02:00
parent a97df55592
commit 00b10c7f9d
2 changed files with 113 additions and 108 deletions
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206
xs/src/slic3r/GUI/GLGizmo.cpp
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@ -20,90 +20,91 @@ static const float AXES_COLOR[3][3] = { { 1.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f
namespace Slic3r { namespace Slic3r {
namespace GUI { namespace GUI {
// returns the intersection of the given ray with the plane parallel to plane XY and passing through the given center // returns the intersection of the given ray with the plane parallel to plane XY and passing through the given center
// coordinates are local to the plane // coordinates are local to the plane
Vec3d intersection_on_plane_xy(const Linef3& ray, const Vec3d& center) Vec3d intersection_on_plane_xy(const Linef3& ray, const Vec3d& center)
{
Transform3d m = Transform3d::Identity();
m.translate(-center);
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0));
return Vec3d(mouse_pos_2d(0), mouse_pos_2d(1), 0.0);
}
// returns the intersection of the given ray with the plane parallel to plane XZ and passing through the given center
// coordinates are local to the plane
Vec3d intersection_on_plane_xz(const Linef3& ray, const Vec3d& center)
{
Transform3d m = Transform3d::Identity();
m.rotate(Eigen::AngleAxisd(-0.5 * (double)PI, Vec3d::UnitX()));
m.translate(-center);
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0));
return Vec3d(mouse_pos_2d(0), 0.0, mouse_pos_2d(1));
}
// returns the intersection of the given ray with the plane parallel to plane YZ and passing through the given center
// coordinates are local to the plane
Vec3d intersection_on_plane_yz(const Linef3& ray, const Vec3d& center)
{
Transform3d m = Transform3d::Identity();
m.rotate(Eigen::AngleAxisd(-0.5f * (double)PI, Vec3d::UnitY()));
m.translate(-center);
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0));
return Vec3d(0.0, mouse_pos_2d(1), -mouse_pos_2d(0));
}
// return an index:
// 0 for plane XY
// 1 for plane XZ
// 2 for plane YZ
// which indicates which plane is best suited for intersecting the given unit vector
// giving precedence to the plane with the given index
unsigned int select_best_plane(const Vec3d& unit_vector, unsigned int preferred_plane)
{
unsigned int ret = preferred_plane;
// 1st checks if the given vector is not parallel to the given preferred plane
double dot_to_normal = 0.0;
switch (ret)
{ {
Transform3d m = Transform3d::Identity(); case 0: // plane xy
m.translate(-center); {
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0)); dot_to_normal = std::abs(unit_vector.dot(Vec3d::UnitZ()));
return Vec3d(mouse_pos_2d(0), mouse_pos_2d(1), 0.0); break;
}
case 1: // plane xz
{
dot_to_normal = std::abs(unit_vector.dot(-Vec3d::UnitY()));
break;
}
case 2: // plane yz
{
dot_to_normal = std::abs(unit_vector.dot(Vec3d::UnitX()));
break;
}
default:
{
break;
}
} }
// returns the intersection of the given ray with the plane parallel to plane XZ and passing through the given center // if almost parallel, select the plane whose normal direction is closest to the given vector direction,
// coordinates are local to the plane // otherwise return the given preferred plane index
Vec3d intersection_on_plane_xz(const Linef3& ray, const Vec3d& center) if (dot_to_normal < 0.1)
{ {
Transform3d m = Transform3d::Identity(); typedef std::map<double, unsigned int> ProjsMap;
m.rotate(Eigen::AngleAxisd(-0.5 * (double)PI, Vec3d::UnitX())); ProjsMap projs_map;
m.translate(-center); projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(Vec3d::UnitZ())), 0)); // plane xy
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0)); projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(-Vec3d::UnitY())), 1)); // plane xz
return Vec3d(mouse_pos_2d(0), 0.0, mouse_pos_2d(1)); projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(Vec3d::UnitX())), 2)); // plane yz
ret = projs_map.rbegin()->second;
} }
// returns the intersection of the given ray with the plane parallel to plane YZ and passing through the given center return ret;
// coordinates are local to the plane }
Vec3d intersection_on_plane_yz(const Linef3& ray, const Vec3d& center)
{
Transform3d m = Transform3d::Identity();
m.rotate(Eigen::AngleAxisd(-0.5f * (double)PI, Vec3d::UnitY()));
m.translate(-center);
Vec2d mouse_pos_2d = to_2d(transform(ray, m).intersect_plane(0.0));
return Vec3d(0.0, mouse_pos_2d(1), -mouse_pos_2d(0));
}
// return an index:
// 0 for plane XY
// 1 for plane XZ
// 2 for plane YZ
// which indicates which plane is best suited for intersecting the given unit vector
// giving precedence to the plane with the given index
unsigned int select_best_plane(const Vec3d& unit_vector, unsigned int preferred_plane)
{
unsigned int ret = preferred_plane;
// 1st checks if the given vector is not parallel to the given preferred plane
double dot_to_normal = 0.0;
switch (ret)
{
case 0: // plane xy
{
dot_to_normal = std::abs(unit_vector.dot(Vec3d::UnitZ()));
break;
}
case 1: // plane xz
{
dot_to_normal = std::abs(unit_vector.dot(-Vec3d::UnitY()));
break;
}
case 2: // plane yz
{
dot_to_normal = std::abs(unit_vector.dot(Vec3d::UnitX()));
break;
}
default:
{
break;
}
}
// if almost parallel, select the plane whose normal direction is closest to the given vector direction,
// otherwise return the given preferred plane index
if (dot_to_normal < 0.1)
{
typedef std::map<double, unsigned int> ProjsMap;
ProjsMap projs_map;
projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(Vec3d::UnitZ())), 0)); // plane xy
projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(-Vec3d::UnitY())), 1)); // plane xz
projs_map.insert(ProjsMap::value_type(std::abs(unit_vector.dot(Vec3d::UnitX())), 2)); // plane yz
ret = projs_map.rbegin()->second;
}
return ret;
}
const float GLGizmoBase::Grabber::HalfSize = 2.0f; const float GLGizmoBase::Grabber::SizeFactor = 0.025f;
const float GLGizmoBase::Grabber::MinHalfSize = 1.5f;
const float GLGizmoBase::Grabber::DraggingScaleFactor = 1.25f; const float GLGizmoBase::Grabber::DraggingScaleFactor = 1.25f;
GLGizmoBase::Grabber::Grabber() GLGizmoBase::Grabber::Grabber()
@ -117,7 +118,7 @@ GLGizmoBase::Grabber::Grabber()
color[2] = 1.0f; color[2] = 1.0f;
} }
void GLGizmoBase::Grabber::render(bool hover) const void GLGizmoBase::Grabber::render(bool hover, const BoundingBoxf3& box) const
{ {
float render_color[3]; float render_color[3];
if (hover) if (hover)
@ -129,12 +130,15 @@ void GLGizmoBase::Grabber::render(bool hover) const
else else
::memcpy((void*)render_color, (const void*)color, 3 * sizeof(float)); ::memcpy((void*)render_color, (const void*)color, 3 * sizeof(float));
render(render_color, true); render(box, render_color, true);
} }
void GLGizmoBase::Grabber::render(const float* render_color, bool use_lighting) const void GLGizmoBase::Grabber::render(const BoundingBoxf3& box, const float* render_color, bool use_lighting) const
{ {
float half_size = dragging ? HalfSize * DraggingScaleFactor : HalfSize; float max_size = (float)box.max_size();
float half_size = dragging ? max_size * SizeFactor * DraggingScaleFactor : max_size * SizeFactor;
half_size = std::max(half_size, MinHalfSize);
if (use_lighting) if (use_lighting)
::glEnable(GL_LIGHTING); ::glEnable(GL_LIGHTING);
@ -291,16 +295,16 @@ float GLGizmoBase::picking_color_component(unsigned int id) const
return (float)color / 255.0f; return (float)color / 255.0f;
} }
void GLGizmoBase::render_grabbers() const void GLGizmoBase::render_grabbers(const BoundingBoxf3& box) const
{ {
for (int i = 0; i < (int)m_grabbers.size(); ++i) for (int i = 0; i < (int)m_grabbers.size(); ++i)
{ {
if (m_grabbers[i].enabled) if (m_grabbers[i].enabled)
m_grabbers[i].render(m_hover_id == i); m_grabbers[i].render((m_hover_id == i), box);
} }
} }
void GLGizmoBase::render_grabbers_for_picking() const void GLGizmoBase::render_grabbers_for_picking(const BoundingBoxf3& box) const
{ {
for (unsigned int i = 0; i < (unsigned int)m_grabbers.size(); ++i) for (unsigned int i = 0; i < (unsigned int)m_grabbers.size(); ++i)
{ {
@ -309,7 +313,7 @@ void GLGizmoBase::render_grabbers_for_picking() const
m_grabbers[i].color[0] = 1.0f; m_grabbers[i].color[0] = 1.0f;
m_grabbers[i].color[1] = 1.0f; m_grabbers[i].color[1] = 1.0f;
m_grabbers[i].color[2] = picking_color_component(i); m_grabbers[i].color[2] = picking_color_component(i);
m_grabbers[i].render_for_picking(); m_grabbers[i].render_for_picking(box);
} }
} }
} }
@ -440,7 +444,7 @@ void GLGizmoRotate::on_render(const BoundingBoxf3& box) const
if (m_hover_id != -1) if (m_hover_id != -1)
render_angle(); render_angle();
render_grabber(); render_grabber(box);
::glPopMatrix(); ::glPopMatrix();
} }
@ -452,7 +456,7 @@ void GLGizmoRotate::on_render_for_picking(const BoundingBoxf3& box) const
::glPushMatrix(); ::glPushMatrix();
transform_to_local(); transform_to_local();
render_grabbers_for_picking(); render_grabbers_for_picking(box);
::glPopMatrix(); ::glPopMatrix();
} }
@ -544,7 +548,7 @@ void GLGizmoRotate::render_angle() const
::glEnd(); ::glEnd();
} }
void GLGizmoRotate::render_grabber() const void GLGizmoRotate::render_grabber(const BoundingBoxf3& box) const
{ {
double grabber_radius = (double)(m_radius + GrabberOffset); double grabber_radius = (double)(m_radius + GrabberOffset);
m_grabbers[0].center = Vec3d(::cos(m_angle) * grabber_radius, ::sin(m_angle) * grabber_radius, 0.0); m_grabbers[0].center = Vec3d(::cos(m_angle) * grabber_radius, ::sin(m_angle) * grabber_radius, 0.0);
@ -558,7 +562,7 @@ void GLGizmoRotate::render_grabber() const
::glEnd(); ::glEnd();
::memcpy((void*)m_grabbers[0].color, (const void*)m_highlight_color, 3 * sizeof(float)); ::memcpy((void*)m_grabbers[0].color, (const void*)m_highlight_color, 3 * sizeof(float));
render_grabbers(); render_grabbers(box);
} }
void GLGizmoRotate::transform_to_local() const void GLGizmoRotate::transform_to_local() const
@ -829,7 +833,7 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
render_grabbers_connection(4, 5); render_grabbers_connection(4, 5);
} }
// draw grabbers // draw grabbers
render_grabbers(); render_grabbers(m_box);
} }
else if ((m_hover_id == 0) || (m_hover_id == 1)) else if ((m_hover_id == 0) || (m_hover_id == 1))
{ {
@ -846,8 +850,8 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
::glColor3fv(m_grabbers[0].color); ::glColor3fv(m_grabbers[0].color);
render_grabbers_connection(0, 1); render_grabbers_connection(0, 1);
// draw grabbers // draw grabbers
m_grabbers[0].render(true); m_grabbers[0].render(true, m_box);
m_grabbers[1].render(true); m_grabbers[1].render(true, m_box);
} }
else if ((m_hover_id == 2) || (m_hover_id == 3)) else if ((m_hover_id == 2) || (m_hover_id == 3))
{ {
@ -864,8 +868,8 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
::glColor3fv(m_grabbers[2].color); ::glColor3fv(m_grabbers[2].color);
render_grabbers_connection(2, 3); render_grabbers_connection(2, 3);
// draw grabbers // draw grabbers
m_grabbers[2].render(true); m_grabbers[2].render(true, m_box);
m_grabbers[3].render(true); m_grabbers[3].render(true, m_box);
} }
else if ((m_hover_id == 4) || (m_hover_id == 5)) else if ((m_hover_id == 4) || (m_hover_id == 5))
{ {
@ -882,8 +886,8 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
::glColor3fv(m_grabbers[4].color); ::glColor3fv(m_grabbers[4].color);
render_grabbers_connection(4, 5); render_grabbers_connection(4, 5);
// draw grabbers // draw grabbers
m_grabbers[4].render(true); m_grabbers[4].render(true, m_box);
m_grabbers[5].render(true); m_grabbers[5].render(true, m_box);
} }
else if (m_hover_id >= 6) else if (m_hover_id >= 6)
{ {
@ -899,7 +903,7 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
// draw grabbers // draw grabbers
for (int i = 6; i < 10; ++i) for (int i = 6; i < 10; ++i)
{ {
m_grabbers[i].render(true); m_grabbers[i].render(true, m_box);
} }
} }
} }
@ -908,7 +912,7 @@ void GLGizmoScale3D::on_render_for_picking(const BoundingBoxf3& box) const
{ {
::glDisable(GL_DEPTH_TEST); ::glDisable(GL_DEPTH_TEST);
render_grabbers_for_picking(); render_grabbers_for_picking(box);
} }
void GLGizmoScale3D::render_box(const BoundingBoxf3& box) const void GLGizmoScale3D::render_box(const BoundingBoxf3& box) const
@ -1118,7 +1122,7 @@ void GLGizmoMove3D::on_render(const BoundingBoxf3& box) const
} }
// draw grabbers // draw grabbers
render_grabbers(); render_grabbers(box);
} }
else else
{ {
@ -1130,7 +1134,7 @@ void GLGizmoMove3D::on_render(const BoundingBoxf3& box) const
::glEnd(); ::glEnd();
// draw grabber // draw grabber
m_grabbers[m_hover_id].render(true); m_grabbers[m_hover_id].render(true, box);
} }
} }
@ -1138,7 +1142,7 @@ void GLGizmoMove3D::on_render_for_picking(const BoundingBoxf3& box) const
{ {
::glDisable(GL_DEPTH_TEST); ::glDisable(GL_DEPTH_TEST);
render_grabbers_for_picking(); render_grabbers_for_picking(box);
} }
double GLGizmoMove3D::calc_displacement(unsigned int preferred_plane_id, const Linef3& mouse_ray) const double GLGizmoMove3D::calc_displacement(unsigned int preferred_plane_id, const Linef3& mouse_ray) const

15
xs/src/slic3r/GUI/GLGizmo.hpp
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@ -22,7 +22,8 @@ class GLGizmoBase
protected: protected:
struct Grabber struct Grabber
{ {
static const float HalfSize; static const float SizeFactor;
static const float MinHalfSize;
static const float DraggingScaleFactor; static const float DraggingScaleFactor;
Vec3d center; Vec3d center;
@ -33,11 +34,11 @@ protected:
Grabber(); Grabber();
void render(bool hover) const; void render(bool hover, const BoundingBoxf3& box) const;
void render_for_picking() const { render(color, false); } void render_for_picking(const BoundingBoxf3& box) const { render(box, color, false); }
private: private:
void render(const float* render_color, bool use_lighting) const; void render(const BoundingBoxf3& box, const float* render_color, bool use_lighting) const;
void render_face(float half_size) const; void render_face(float half_size) const;
}; };
@ -109,8 +110,8 @@ protected:
virtual void on_render_for_picking(const BoundingBoxf3& box) const = 0; virtual void on_render_for_picking(const BoundingBoxf3& box) const = 0;
float picking_color_component(unsigned int id) const; float picking_color_component(unsigned int id) const;
void render_grabbers() const; void render_grabbers(const BoundingBoxf3& box) const;
void render_grabbers_for_picking() const; void render_grabbers_for_picking(const BoundingBoxf3& box) const;
void set_tooltip(const std::string& tooltip) const; void set_tooltip(const std::string& tooltip) const;
std::string format(float value, unsigned int decimals) const; std::string format(float value, unsigned int decimals) const;
@ -163,7 +164,7 @@ private:
void render_snap_radii() const; void render_snap_radii() const;
void render_reference_radius() const; void render_reference_radius() const;
void render_angle() const; void render_angle() const;
void render_grabber() const; void render_grabber(const BoundingBoxf3& box) const;
void transform_to_local() const; void transform_to_local() const;
// returns the intersection of the mouse ray with the plane perpendicular to the gizmo axis, in local coordinate // returns the intersection of the mouse ray with the plane perpendicular to the gizmo axis, in local coordinate