Enhanced gizmo scale 3D
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4c80a104f5
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@ -617,7 +617,7 @@ GLGizmoScale3D::GLGizmoScale3D(GLCanvas3D& parent)
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: GLGizmoBase(parent)
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, m_scale(Vec3d::Ones())
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, m_starting_scale(Vec3d::Ones())
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, m_starting_center(Vec3d::Zero())
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, m_show_starting_box(false)
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{
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}
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@ -660,7 +660,8 @@ void GLGizmoScale3D::on_start_dragging()
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if (m_hover_id != -1)
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{
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m_starting_drag_position = m_grabbers[m_hover_id].center;
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m_starting_center = m_box.center();
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m_show_starting_box = true;
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m_starting_box = m_box;
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}
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}
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@ -731,16 +732,25 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
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if (m_hover_id == -1)
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{
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::glColor3fv(m_base_color);
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// draw box
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render_box();
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::glColor3fv(m_base_color);
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render_box(m_box);
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// draw grabbers
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render_grabbers();
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}
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else if ((m_hover_id == 0) || (m_hover_id == 1))
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{
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::glColor3fv(m_grabbers[0].color);
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// draw starting box
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if (m_show_starting_box)
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{
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::glColor3fv(m_base_color);
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render_box(m_starting_box);
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}
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// draw current box
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::glColor3fv(m_drag_color);
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render_box(m_box);
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// draw connection
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::glColor3fv(m_grabbers[0].color);
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render_grabbers_connection(0, 1);
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// draw grabbers
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m_grabbers[0].render(true);
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@ -748,8 +758,17 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
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}
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else if ((m_hover_id == 2) || (m_hover_id == 3))
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{
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::glColor3fv(m_grabbers[2].color);
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// draw starting box
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if (m_show_starting_box)
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{
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::glColor3fv(m_base_color);
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render_box(m_starting_box);
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}
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// draw current box
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::glColor3fv(m_drag_color);
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render_box(m_box);
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// draw connection
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::glColor3fv(m_grabbers[2].color);
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render_grabbers_connection(2, 3);
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// draw grabbers
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m_grabbers[2].render(true);
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@ -757,8 +776,17 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
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}
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else if ((m_hover_id == 4) || (m_hover_id == 5))
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{
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::glColor3fv(m_grabbers[4].color);
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// draw starting box
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if (m_show_starting_box)
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{
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::glColor3fv(m_base_color);
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render_box(m_starting_box);
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}
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// draw current box
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::glColor3fv(m_drag_color);
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render_box(m_box);
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// draw connection
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::glColor3fv(m_grabbers[4].color);
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render_grabbers_connection(4, 5);
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// draw grabbers
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m_grabbers[4].render(true);
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@ -766,9 +794,15 @@ void GLGizmoScale3D::on_render(const BoundingBoxf3& box) const
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}
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else if (m_hover_id >= 6)
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{
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// draw starting box
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if (m_show_starting_box)
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{
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::glColor3fv(m_base_color);
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render_box(m_starting_box);
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}
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// draw current box
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::glColor3fv(m_drag_color);
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// draw box
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render_box();
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render_box(m_box);
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// draw grabbers
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for (int i = 6; i < 10; ++i)
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{
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@ -791,30 +825,30 @@ void GLGizmoScale3D::on_render_for_picking(const BoundingBoxf3& box) const
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render_grabbers_for_picking();
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}
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void GLGizmoScale3D::render_box() const
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void GLGizmoScale3D::render_box(const BoundingBoxf3& box) const
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{
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// bottom face
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::glBegin(GL_LINE_LOOP);
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.min(1), (GLfloat)m_box.min(2));
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.max(1), (GLfloat)m_box.min(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.max(1), (GLfloat)m_box.min(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.min(1), (GLfloat)m_box.min(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.min(1), (GLfloat)box.min(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.max(1), (GLfloat)box.min(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.max(1), (GLfloat)box.min(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.min(1), (GLfloat)box.min(2));
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::glEnd();
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// top face
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::glBegin(GL_LINE_LOOP);
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.min(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.max(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.max(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.min(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.min(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.max(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.max(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.min(1), (GLfloat)box.max(2));
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::glEnd();
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// vertical edges
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::glBegin(GL_LINES);
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.min(1), (GLfloat)m_box.min(2)); ::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.min(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.max(1), (GLfloat)m_box.min(2)); ::glVertex3f((GLfloat)m_box.min(0), (GLfloat)m_box.max(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.max(1), (GLfloat)m_box.min(2)); ::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.max(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.min(1), (GLfloat)m_box.min(2)); ::glVertex3f((GLfloat)m_box.max(0), (GLfloat)m_box.min(1), (GLfloat)m_box.max(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.min(1), (GLfloat)box.min(2)); ::glVertex3f((GLfloat)box.min(0), (GLfloat)box.min(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.min(0), (GLfloat)box.max(1), (GLfloat)box.min(2)); ::glVertex3f((GLfloat)box.min(0), (GLfloat)box.max(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.max(1), (GLfloat)box.min(2)); ::glVertex3f((GLfloat)box.max(0), (GLfloat)box.max(1), (GLfloat)box.max(2));
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::glVertex3f((GLfloat)box.max(0), (GLfloat)box.min(1), (GLfloat)box.min(2)); ::glVertex3f((GLfloat)box.max(0), (GLfloat)box.min(1), (GLfloat)box.max(2));
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::glEnd();
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}
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@ -832,7 +866,7 @@ void GLGizmoScale3D::render_grabbers_connection(unsigned int id_1, unsigned int
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void GLGizmoScale3D::do_scale_x(const Linef3& mouse_ray)
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{
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double ratio = calc_ratio(1, mouse_ray, m_starting_center);
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double ratio = calc_ratio(1, mouse_ray, m_starting_box.center());
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if (ratio > 0.0)
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m_scale(0) = m_starting_scale(0) * ratio;
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@ -840,7 +874,7 @@ void GLGizmoScale3D::do_scale_x(const Linef3& mouse_ray)
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void GLGizmoScale3D::do_scale_y(const Linef3& mouse_ray)
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{
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double ratio = calc_ratio(2, mouse_ray, m_starting_center);
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double ratio = calc_ratio(2, mouse_ray, m_starting_box.center());
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if (ratio > 0.0)
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m_scale(0) = m_starting_scale(1) * ratio; // << this is temporary
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@ -849,7 +883,7 @@ void GLGizmoScale3D::do_scale_y(const Linef3& mouse_ray)
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void GLGizmoScale3D::do_scale_z(const Linef3& mouse_ray)
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{
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double ratio = calc_ratio(1, mouse_ray, m_starting_center);
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double ratio = calc_ratio(1, mouse_ray, m_starting_box.center());
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if (ratio > 0.0)
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m_scale(0) = m_starting_scale(2) * ratio; // << this is temporary
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@ -858,7 +892,7 @@ void GLGizmoScale3D::do_scale_z(const Linef3& mouse_ray)
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void GLGizmoScale3D::do_scale_uniform(const Linef3& mouse_ray)
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{
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Vec3d center = m_starting_center;
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Vec3d center = m_starting_box.center();
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center(2) = m_box.min(2);
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double ratio = calc_ratio(0, mouse_ray, center);
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@ -230,7 +230,8 @@ class GLGizmoScale3D : public GLGizmoBase
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Vec3d m_starting_scale;
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Vec3d m_starting_drag_position;
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Vec3d m_starting_center;
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bool m_show_starting_box;
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BoundingBoxf3 m_starting_box;
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public:
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explicit GLGizmoScale3D(GLCanvas3D& parent);
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@ -249,12 +250,13 @@ public:
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protected:
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virtual bool on_init();
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virtual void on_start_dragging();
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virtual void on_stop_dragging() { m_show_starting_box = false; }
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virtual void on_update(const Linef3& mouse_ray);
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virtual void on_render(const BoundingBoxf3& box) const;
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virtual void on_render_for_picking(const BoundingBoxf3& box) const;
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private:
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void render_box() const;
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void render_box(const BoundingBoxf3& box) const;
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void render_grabbers_connection(unsigned int id_1, unsigned int id_2) const;
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void do_scale_x(const Linef3& mouse_ray);
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