//==============================
// OvrSliderComponent::OnTouchRelative
eMsgStatus OvrSliderComponent::OnTouchRelative( App * app, VrFrame const & vrFrame, OvrVRMenuMgr & menuMgr,
VRMenuObject * self, VRMenuEvent const & event )
{
//LOG( "event.FloatValue = ( %.8f, %.8f )", event.FloatValue.x, event.FloatValue.y );
// project on to the normalized slide delta so that the movement on the pad matches the orientation of the slider
Vector2f slideDelta( LocalSlideDelta.x, LocalSlideDelta.y );
slideDelta.Normalize();
Vector2f touchXY( event.FloatValue.x, event.FloatValue.y );
float dot = slideDelta.Dot( touchXY );
float const r = dot * SensitivityScale;
SliderFrac = Alg::Clamp( SliderFrac - r, 0.0f, 1.0f );
SetCaretPoseFromFrac( menuMgr, self, SliderFrac );
Menu.OnItemEvent( app, RootId, event );
// update the bubble text
UpdateText( menuMgr, self, BubbleId );
return MSG_STATUS_CONSUMED;
}
//==============================
// OvrSliderComponent::OnTouchUp
eMsgStatus OvrSliderComponent::OnTouchUp( OvrGuiSys & guiSys, VrFrame const & vrFrame,
VRMenuObject * self, VRMenuEvent const & event )
{
OVR_UNUSED( guiSys );
OVR_UNUSED( vrFrame );
OVR_UNUSED( self );
OVR_UNUSED( event );
BubbleFadeOutTime = vrapi_GetTimeInSeconds() + 1.5;
//LOG( "event.FloatValue = ( %.8f, %.8f )", event.FloatValue.x, event.FloatValue.y );
// project on to the normalized slide delta so that the movement on the pad matches the orientation of the slider
Vector2f slideDelta( LocalSlideDelta.x, LocalSlideDelta.y );
slideDelta.Normalize();
Vector2f touchXY( event.FloatValue.x, event.FloatValue.y );
float dot = slideDelta.Dot( touchXY );
if ( fabsf( dot ) < 0.7071f )
{
// if we're more than 45 degrees off axis, don't move at all
dot = 0.0f;
}
else
{
// move as if we were perfectly aligned with the slider direction
if ( dot < 0.0f )
{
dot = -1.0f;
}
else
{
dot = 1.0f;
}
}
LastDot = dot;
if ( LastDot != 0.0f )
{
float range = MaxValue - MinValue;
float cur = floor( SliderFrac * range ) + MinValue;
if ( LastDot < 0.0f )
{
SliderFrac = ( cur + 1.0f ) * ( 1.0f / range );
}
else
{
SliderFrac = ( cur - 1.0f ) * ( 1.0f / range );
}
SliderFrac = Alg::Clamp( SliderFrac, 0.0f, 1.0f );
SetCaretPoseFromFrac( guiSys.GetVRMenuMgr(), self, SliderFrac );
Menu.OnItemEvent( guiSys, RootId, event );
// update the bubble text
UpdateText( guiSys.GetVRMenuMgr(), self, BubbleId );
}
LastDot = 0.0f;
return MSG_STATUS_CONSUMED;
}
