Method HandleSunScale

Source/Editors/sky_editor.cpp:290–324

}

void SkyEditor::HandleSunScale(float angle_from_sun) {
    Mouse* mouse = &(Input::Instance()->getMouse());

    if (!m_sun_scaling                                                             // && angle_from_sun > m_sun_angular_rad && angle_from_sun < m_sun_angular_rad*1.2f
        && mouse->mouse_down_[Mouse::LEFT] == Mouse::CLICKED && m_sun_selected) {  // start
        HandleTransformationStarted();
        m_sun_scaling = true;
        scale_angle_zero_ = angle_from_sun;

        if (ActiveCameras::Get()->m_camera_object != NULL) {
            ActiveCameras::Get()->m_camera_object->IgnoreMouseInput(true);
        }
    } else if (m_sun_scaling) {
        if (mouse->mouse_down_[Mouse::LEFT]) {  // continue
            if (scale_angle_zero_ != 0) {
                float factor = angle_from_sun / scale_angle_zero_;
                ScaleSun(factor);
                scale_angle_zero_ = angle_from_sun;
            }
        } else {  // stop
            if (scale_angle_zero_ != 0) {
                float factor = angle_from_sun / scale_angle_zero_;
                ScaleSun(factor);
                scale_angle_zero_ = angle_from_sun;
            }
            m_sun_scaling = false;

            if (ActiveCameras::Get()->m_camera_object != NULL) {
                ActiveCameras::Get()->m_camera_object->IgnoreMouseInput(false);
            }

            HandleTransformationStopped();
        }
    }
}

static float GetSignedAngleBetween(const vec3& n, const vec3& v1, const vec3& v2) {
    const vec3 a = normalize(v1);