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3DFileViewer: Add primitive mouse controls

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This commit is contained in:
Noah Rosamilia 2021-06-02 09:22:08 -04:00 • committed by Gunnar Beutner
parent e8430cf0d3
commit 2feaf59ab2
1 changed files with 27 additions and 5 deletions
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32
Userland/Applications/3DFileViewer/main.cpp
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@ -69,6 +69,7 @@ private:
virtual void paint_event(GUI::PaintEvent&) override; virtual void paint_event(GUI::PaintEvent&) override;
virtual void timer_event(Core::TimerEvent&) override; virtual void timer_event(Core::TimerEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
private: private:
RefPtr<Mesh> m_mesh; RefPtr<Mesh> m_mesh;
@ -79,6 +80,10 @@ private:
bool m_rotate_x = true; bool m_rotate_x = true;
bool m_rotate_y = false; bool m_rotate_y = false;
bool m_rotate_z = true; bool m_rotate_z = true;
float m_angle_x = 0.0;
float m_angle_y = 0.0;
float m_angle_z = 0.0;
Gfx::IntPoint m_last_mouse;
float m_rotation_speed = 1.f; float m_rotation_speed = 1.f;
}; };
@ -91,18 +96,35 @@ void GLContextWidget::paint_event(GUI::PaintEvent& event)
painter.draw_scaled_bitmap(frame_inner_rect(), *m_bitmap, m_bitmap->rect()); painter.draw_scaled_bitmap(frame_inner_rect(), *m_bitmap, m_bitmap->rect());
} }
void GLContextWidget::mousemove_event(GUI::MouseEvent& event)
{
if (event.buttons() == GUI::MouseButton::Left) {
int delta_x = m_last_mouse.x() - event.x();
int delta_y = m_last_mouse.y() - event.y();
m_angle_x -= delta_y / 100.0f;
m_angle_y -= delta_x / 100.0f;
}
m_last_mouse = event.position();
}
void GLContextWidget::timer_event(Core::TimerEvent&) void GLContextWidget::timer_event(Core::TimerEvent&)
{ {
static float angle = 0.0f;
glCallList(m_init_list); glCallList(m_init_list);
angle -= 0.01f; if (m_rotate_x)
m_angle_x -= m_rotation_speed * 0.01f;
if (m_rotate_y)
m_angle_y -= m_rotation_speed * 0.01f;
if (m_rotate_z)
m_angle_z -= m_rotation_speed * 0.01f;
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glTranslatef(0, 0, -8.5); glTranslatef(0, 0, -8.5);
glRotatef(m_rotate_x ? angle * m_rotation_speed : 0.f, 1, 0, 0); glRotatef(m_angle_x, 1, 0, 0);
glRotatef(m_rotate_y ? angle * m_rotation_speed : 0.f, 0, 1, 0); glRotatef(m_angle_y, 0, 1, 0);
glRotatef(m_rotate_z ? angle * m_rotation_speed : 0.f, 0, 0, 1); glRotatef(m_angle_z, 0, 0, 1);
if (!m_mesh.is_null()) if (!m_mesh.is_null())
m_mesh->draw(); m_mesh->draw();