// Left hand effector's extend function for a single object.
// Purpose:
// - Extends effector until it touches the object or reaches the maximum length.
void LeftVirtualHand::extend(arEffector& self, arInteractable* object, float maxLength) {
// Return if grabbing an object.
if(getGrabbedObject() != 0) return;
// Reset tip to 0.0 ft. length.
_currentLength = 0.0;
setTipOffset(arVector3(0, 0, -_currentLength));
// Check if the maximum length has been reached or an object has been touched.
while(_currentLength < maxLength && !ar_pollingInteraction(self, object)) {
// If not, increase tip length by interaction distance.
_currentLength += _interactionDistance;
setTipOffset(arVector3(0, 0, -_currentLength));
}
}
// start callback
// Purposes:
// - Register shared memory by adding transfer fields. This is to syncronize cluster-based
// systems, hence we don't need to do this. But there's a few examples anyway.
// - Set up navigation through the framework by specifying translation conditions, rotation
// conditions, translation speed, and rotation speed. We provide a couple examples here.
// - Initialize any global variables specific to your application.
// Notes:
// DO NOT initialize OpenGL here. The start callback is called before window creation.
// Instead initialize OpenGL in the windowStartGL callback.
bool start(arMasterSlaveFramework& framework, arSZGClient& client )
{
theMrCreepyBook7.setMatrix(ar_translationMatrix(-3,4,-7));
objects.push_back(&theMrCreepyBook7);
theMrBookshelf6.setMatrix(ar_translationMatrix(-3,3,-7));
objects.push_back(&theMrBookshelf6);
theMrDungeonRoom5.setMatrix(ar_translationMatrix(0,4,-5));
objects.push_back(&theMrDungeonRoom5);
// Register shared memory. Not needed for non-cluster-based systems.
// framework.addTransferField(char* name, void* address, arDataType type, int numElements);
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* obj = ((Object*)(*i));
obj->loadedOBJ.normalizeModelSize();
ostringstream ostr;
ostr << "objMatrix" << &i;
arMatrix4 obM = obj->matrix;
framework.addTransferField(ostr.str(), &obM, AR_FLOAT, 16);
}
// Set up navigation.
// A traditional pointing technique using the joystick with left and right rotating the scene.
// Translate along Z-axis (forwards/backwards) if joystick is pressed more than 20% along axis 1.
framework.setNavTransCondition('z', AR_EVENT_AXIS, 1, 0.2);
// Rotate around Y-axis (vertical) if joystick is pressed more than 20% along axis 0.
//framework.setNavRotCondition('y', AR_EVENT_AXIS, 0, 0.2); //FOR ROTATE
framework.setNavTransCondition('x', AR_EVENT_AXIS, 0, 0.2); //FOR STRAFING
// Set translation speed to 5 feet/second.
framework.setNavTransSpeed(5.0);
// Set rotation speed to 30 degrees/second.
framework.setNavRotSpeed(30.0);
// Initialize application variables here.
// Move object's to initial positions.
// Create sound transform.
soundTransformID = dsTransform("world", framework.getNavNodeName(), ar_scaleMatrix(1.0));
// Parameters are:
// name - string name for sound
// transformName - string name for dsTransform
// loopType - 1 for continuous, -1 for one-time, 0 to stop
// loudness - float from 0.0 (quiet) to 1.0 (max)
// positionVector - vector position of sound origin
// Create loop for click sound.
clickSound = dsLoop("click", "world", "click.mp3", 0, 1.0, arVector3(0, 0, 0));
musicNotey.readOBJ("MusicNote.obj","data/obj");
// Return true if everything is initialized correctly.
return true;
}
// preExchange callback
// Purposes:
// - Handle navigation updates.
// - Process user input.
// - Set random variables.
// - Update shared memory.
// Notes:
// This is only called on the master node of the cluster and before shared memory is
// transferred to the slave nodes.
void preExchange(arMasterSlaveFramework& framework)
{
// Handle navigation update. The resulting navigation matrix is automatically transferred
// to the slave nodes.
framework.navUpdate();
currentTimeGlobal = framework.getTime();
double currentTime = framework.getTime();
// Process user input.
// Update shared memory.
// Transfer data about objects to slave nodes.
// Detect right hand collisions.
rightHand.detectCollisions(rightHand, objects);
// Extend left ray to collision point.
leftHand.extend(leftHand, objects);
// Update input state (placement matrix & button states) of our effectors.
rightHand.updateState(framework.getInputState());
leftHand.updateState(framework.getInputState());
// Handle any interaction with the objects (see interaction/arInteractionUtilities.h).
list<arInteractable*> objectlist;
std::copy(objects.begin (), objects.end (), std::back_inserter(objectlist));
ar_pollingInteraction(rightHand, objectlist);
ar_pollingInteraction(leftHand, objectlist);
// Play click sound if right hand has grabbed an object.
if(rightHand.getGrabbedObject() != 0)
{
dsLoop(clickSound, "click.mp3", -1, 1.0, arVector3(0, 0, 0));
}
// Or reset the trigger
else
{
dsLoop(clickSound, "click.mp3", 0, 1.0, arVector3(0, 0, 0));
}
// Update shared memory.
// Transfer data about objects to slave nodes.
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
Object* oby = ((Object*)(*i));
oby->matrix = oby->getMatrix();
}
arMatrix4 navMatrix = ar_getNavMatrix();
}
// Left hand effector's extend function for multiple objects.
// Purpose:
// - Extends effector until it touches an object or reaches the maximum length.
void LeftVirtualHand::extend(arEffector& self, vector<arInteractable*>& objects, float maxLength) {
// Return if grabbing an object.
if(getGrabbedObject() != 0) return;
// Reset tip to 0.0 ft. length.
_currentLength = 0.0;
setTipOffset(arVector3(0, 0, -_currentLength));
list<arInteractable*> objectlist;
std::copy(objects.begin (), objects.end (), std::back_inserter(objectlist));
// Check if the maximum length has been reached or an object has been touched.
while(_currentLength < maxLength && !ar_pollingInteraction(self, objectlist)) {
// If not, increase tip length by interaction distance.
_currentLength += _interactionDistance;
setTipOffset(arVector3(0, 0, -_currentLength));
}
if(selectionMode == 3 && ar_pollingInteraction(self, objectlist)) //if it interacted
{
//cout << "hit an object" << '\n';
//find out which object it interacted with
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
if(ar_pollingInteraction(self, *i))
{
Object *oby = ((Object*)(*i));
oby->_selected = !oby->_selected;
selectionMode = 0;
}
}
selectionMode = 0;
}
else if(selectionMode==3)
{
selectionMode = 0;
}
else if(selectionMode == 1)
{
leftSelectedObjects.clear();
upSelectedObjects.clear();
rightSelectedObjects.clear();
downSelectedObjects.clear();
int numObjects = 0;
vector<arInteractable*>::iterator i;
for(i=objects.begin(); i != objects.end(); ++i)
{
// get object location
Object* oby = ((Object*)(*i));
arMatrix4 objLoc = oby->getMatrix();
// if object is in cone, then add to selected list
float x[] = {objLoc[12], objLoc[13], objLoc[14]};
float height = getLength();
float radius = height/2.f;
arMatrix4 tp = getBaseMatrix();
arMatrix4 bm = getMatrix();
float t[] = {tp[12],tp[13],tp[14]};
float b[] = {bm[12],bm[13],bm[14]};
if(isLyingInCone(x, t, b, radius, height))
{
if((numObjects) % 4 == 0)
{
leftSelectedObjects.push_back(oby);
}
else if(numObjects % 4 == 1)
{
upSelectedObjects.push_back(oby);
}
else if(numObjects % 4 == 2)
{
rightSelectedObjects.push_back(oby);
}
else if(numObjects % 4 == 3)
{
downSelectedObjects.push_back(oby);
}
++numObjects;
}
}
if(numObjects == 0)
{
selectionMode = 0;
}
else if(numObjects == 1)
{
//if only one object, select it
selectionMode = 0;
Object* oby = leftSelectedObjects.front();
//set the one object to selected
oby->_selected = !oby->_selected;
}
else
{
//else selectionMode = 2, selected lists have all the items
selectionMode = 2;
}
}
}
