void JediTool::frame(void)
{
if(active)
{
/* Update the light saber billboard: */
origin=getButtonDevicePosition(0);
axis=getButtonDeviceRayDirection(0);
/* Scale the lightsaber during activation: */
length=factory->lightsaberLength;
double activeTime=getApplicationTime()-activationTime;
if(activeTime<1.5)
{
length*=activeTime/1.5;
/* Request another frame: */
scheduleUpdate(getNextAnimationTime());
}
}
}
void WandNavigationTool::buttonCallback(int buttonSlotIndex,InputDevice::ButtonCallbackData* cbData)
{
/* Process based on which button was pressed: */
switch(buttonSlotIndex)
{
case 0:
if(cbData->newButtonState) // Button has just been pressed
{
/* Act depending on this tool's current state: */
switch(navigationMode)
{
case IDLE:
/* Try activating this tool: */
if(activate())
{
/* Initialize the navigation transformations: */
preScale=Geometry::invert(getButtonDeviceTransformation(0));
preScale*=getNavigationTransformation();
/* Go from IDLE to MOVING mode: */
navigationMode=MOVING;
}
break;
case PASSTHROUGH:
/* Remember that the main button is pressed: */
navigationMode=PASSTHROUGH_MOVING;
break;
case SCALING_PAUSED:
/* Determine the scaling center and direction: */
scalingCenter=getButtonDevicePosition(0);
scalingDirection=getButtonDeviceRayDirection(0);
initialScale=scalingCenter*scalingDirection;
/* Initialize the transformation parts: */
preScale=NavTrackerState::translateFromOriginTo(scalingCenter);
postScale=NavTrackerState::translateToOriginFrom(scalingCenter);
postScale*=getNavigationTransformation();
/* Go from SCALING_PAUSED to SCALING mode: */
navigationMode=SCALING;
break;
default:
/* This shouldn't happen; just ignore the event */
break;
}
}
else // Button has just been released
{
/* Act depending on this tool's current state: */
switch(navigationMode)
{
case PASSTHROUGH_MOVING:
/* Remember that the main button is released: */
navigationMode=PASSTHROUGH;
break;
case SCALING:
/* Pause scaling until button is pressed again: */
/* Go from SCALING to SCALING_PAUSED mode: */
navigationMode=SCALING_PAUSED;
break;
case MOVING:
/* Deactivate this tool: */
deactivate();
/* Go from MOVING to IDLE mode: */
navigationMode=IDLE;
break;
default:
/* This shouldn't happen; just ignore the event */
break;
}
}
break;
case 1:
if(cbData->newButtonState) // Button has just been pressed
{
/* Act depending on this tool's current state: */
switch(navigationMode)
{
case IDLE:
/* Pass the button event to the virtual input device: */
buttonDevice->setButtonState(0,true);
/* Go to pass-through mode: */
navigationMode=PASSTHROUGH;
break;
case MOVING:
/* Determine the scaling center and direction: */
scalingCenter=getButtonDevicePosition(0);
scalingDirection=getButtonDeviceRayDirection(0);
initialScale=scalingCenter*scalingDirection;
/* Initialize the transformation parts: */
preScale=NavTrackerState::translateFromOriginTo(scalingCenter);
postScale=NavTrackerState::translateToOriginFrom(scalingCenter);
postScale*=getNavigationTransformation();
/* Go from MOVING to SCALING mode: */
navigationMode=SCALING;
break;
default:
/* This shouldn't happen; just ignore the event */
break;
}
}
else // Button has just been released
{
/* Act depending on this tool's current state: */
switch(navigationMode)
{
case PASSTHROUGH:
/* Pass the button event to the virtual input device: */
buttonDevice->setButtonState(0,false);
/* Go to idle mode: */
navigationMode=IDLE;
break;
case PASSTHROUGH_MOVING:
/* Pass the button event to the virtual input device: */
buttonDevice->setButtonState(0,false);
/* Try activating this tool: */
if(activate())
{
/* Initialize the navigation transformations: */
preScale=Geometry::invert(getButtonDeviceTransformation(0));
preScale*=getNavigationTransformation();
/* Go to MOVING mode: */
navigationMode=MOVING;
}
else
{
/* Go to idle mode: */
navigationMode=IDLE;
}
break;
case SCALING:
/* Initialize the transformation parts: */
preScale=Geometry::invert(getButtonDeviceTransformation(0));
preScale*=getNavigationTransformation();
/* Go from SCALING to MOVING mode: */
navigationMode=MOVING;
break;
case SCALING_PAUSED:
/* Deactivate this tool: */
deactivate();
/* Go from SCALING_PAUSED to IDLE mode: */
navigationMode=IDLE;
break;
default:
/* This shouldn't happen; just ignore the event */
break;
}
}
break;
}
}
