Merge pull request #739 from Ventrella/particles

added emitter active switch
This commit is contained in:
ZappoMan 2013-08-02 14:02:26 -07:00
commit 95830a15e2
7 changed files with 195 additions and 109 deletions

View file

@ -2085,6 +2085,7 @@ void Application::renderLookatIndicator(glm::vec3 pointOfInterest, Camera& which
}
void Application::update(float deltaTime) {
// Use Transmitter Hand to move hand if connected, else use mouse
if (_myTransmitter.isConnected()) {
const float HAND_FORCE_SCALING = 0.01f;

View file

@ -27,6 +27,7 @@ ParticleSystem::ParticleSystem() {
for (unsigned int emitterIndex = 0; emitterIndex < MAX_EMITTERS; emitterIndex++) {
Emitter * e = &_emitter[emitterIndex];
e->active = false;
e->position = glm::vec3(0.0f, 0.0f, 0.0f);
e->previousPosition = glm::vec3(0.0f, 0.0f, 0.0f);
e->direction = glm::vec3(0.0f, 1.0f, 0.0f);
@ -72,25 +73,16 @@ void ParticleSystem::simulate(float deltaTime) {
_timer += deltaTime;
// emit particles
for (int e = 0; e < _numEmitters; e++) {
// update emitters
for (int emitterIndex = 0; emitterIndex < _numEmitters; emitterIndex++) {
assert(emitterIndex <= MAX_EMITTERS);
assert(e >= 0);
assert(e <= MAX_EMITTERS);
assert(_emitter[e].rate >= 0);
_emitter[e].emitReserve += _emitter[e].rate * deltaTime;
_emitter[e].numParticlesEmittedThisTime = (int)_emitter[e].emitReserve;
_emitter[e].emitReserve -= _emitter[e].numParticlesEmittedThisTime;
for (int p = 0; p < _emitter[e].numParticlesEmittedThisTime; p++) {
float timeFraction = (float)p / (float)_emitter[e].numParticlesEmittedThisTime;
createParticle(e, timeFraction);
if (_emitter[emitterIndex].active) {
updateEmitter(emitterIndex, deltaTime);
}
}
// update particles
// update particles
for (int p = 0; p < MAX_PARTICLES; p++) {
if (_particle[p].alive) {
if (_particle[p].age > _emitter[_particle[p].emitterIndex].particleLifespan) {
@ -102,6 +94,20 @@ void ParticleSystem::simulate(float deltaTime) {
}
}
void ParticleSystem::updateEmitter(int emitterIndex, float deltaTime) {
_emitter[emitterIndex].emitReserve += _emitter[emitterIndex].rate * deltaTime;
_emitter[emitterIndex].numParticlesEmittedThisTime = (int)_emitter[emitterIndex].emitReserve;
_emitter[emitterIndex].emitReserve -= _emitter[emitterIndex].numParticlesEmittedThisTime;
for (int p = 0; p < _emitter[emitterIndex].numParticlesEmittedThisTime; p++) {
float timeFraction = (float)p / (float)_emitter[emitterIndex].numParticlesEmittedThisTime;
createParticle(emitterIndex, timeFraction);
}
}
void ParticleSystem::createParticle(int e, float timeFraction) {
for (unsigned int p = 0; p < MAX_PARTICLES; p++) {
@ -212,7 +218,6 @@ void ParticleSystem::setParticleAttributes(int emitterIndex, ParticleLifeStage l
}
void ParticleSystem::updateParticle(int p, float deltaTime) {
Emitter myEmitter = _emitter[_particle[p].emitterIndex];
@ -363,14 +368,16 @@ void ParticleSystem::killAllParticles() {
void ParticleSystem::render() {
// render the emitters
for (int e = 0; e < _numEmitters; e++) {
for (int e = 0; e < MAX_EMITTERS; e++) {
if (_emitter[e].showingBaseParticle) {
glColor4f(_particle[0].color.r, _particle[0].color.g, _particle[0].color.b, _particle[0].color.a);
glPushMatrix();
glTranslatef(_emitter[e].position.x, _emitter[e].position.y, _emitter[e].position.z);
glutSolidSphere(_particle[0].radius, _emitter[e].particleResolution, _emitter[e].particleResolution);
glPopMatrix();
if (_emitter[e].active) {
if (_emitter[e].showingBaseParticle) {
glColor4f(_particle[0].color.r, _particle[0].color.g, _particle[0].color.b, _particle[0].color.a);
glPushMatrix();
glTranslatef(_emitter[e].position.x, _emitter[e].position.y, _emitter[e].position.z);
glutSolidSphere(_particle[0].radius, _emitter[e].particleResolution, _emitter[e].particleResolution);
glPopMatrix();
}
}
if (_emitter[e].visible) {

View file

@ -10,10 +10,10 @@
#include <glm/gtc/quaternion.hpp>
const int MAX_PARTICLES = 5000;
const int NULL_EMITTER = -1;
const int NULL_PARTICLE = -1;
const int MAX_EMITTERS = 100;
const int MAX_PARTICLES = 5000;
enum ParticleRenderStyle
{
@ -78,6 +78,7 @@ public:
void setParticleAttributes (int emitterIndex, ParticleAttributes attributes); // set attributes for whole life of particles
void setParticleAttributes (int emitterIndex, ParticleLifeStage lifeStage, ParticleAttributes attributes); // set attributes for this life stage
void setEmitterPosition (int emitterIndex, glm::vec3 position );
void setEmitterActive (int emitterIndex, bool active ) {_emitter[emitterIndex].active = active; }
void setEmitterParticleResolution (int emitterIndex, int resolution ) {_emitter[emitterIndex].particleResolution = resolution; }
void setEmitterDirection (int emitterIndex, glm::vec3 direction ) {_emitter[emitterIndex].direction = direction; }
void setShowingEmitter (int emitterIndex, bool showing ) {_emitter[emitterIndex].visible = showing; }
@ -101,6 +102,7 @@ private:
};
struct Emitter {
bool active; // if false, the emitter is disabled - allows for easy switching on and off
glm::vec3 position; // the position of the emitter in world coordinates
glm::vec3 previousPosition; // the position of the emitter in the previous time step
glm::vec3 direction; // a normalized vector used as an axis for particle emission and other effects
@ -124,6 +126,7 @@ private:
float _timer;
// private methods
void updateEmitter(int emitterIndex, float deltaTime);
void updateParticle(int index, float deltaTime);
void createParticle(int e, float timeFraction);
void killParticle(int p);

View file

@ -14,7 +14,7 @@
#include "Util.h"
#include "renderer/ProgramObject.h"
const bool SHOW_LEAP_HAND = true;
const bool SHOW_LEAP_HAND = false;
using namespace std;
@ -51,6 +51,7 @@ void Hand::reset() {
void Hand::simulate(float deltaTime, bool isMine) {
if (_isRaveGloveActive) {
updateRaveGloveParticles(deltaTime);
}
@ -63,7 +64,8 @@ void Hand::calculateGeometry() {
_basePosition = head.getPosition() + head.getOrientation() * offset;
_baseOrientation = head.getOrientation();
_leapBalls.clear();
// generate finger tip balls....
_leapFingerTipBalls.clear();
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
if (palm.isActive()) {
@ -71,8 +73,8 @@ void Hand::calculateGeometry() {
FingerData& finger = palm.getFingers()[f];
if (finger.isActive()) {
const float standardBallRadius = 0.01f;
_leapBalls.resize(_leapBalls.size() + 1);
HandBall& ball = _leapBalls.back();
_leapFingerTipBalls.resize(_leapFingerTipBalls.size() + 1);
HandBall& ball = _leapFingerTipBalls.back();
ball.rotation = _baseOrientation;
ball.position = finger.getTipPosition();
ball.radius = standardBallRadius;
@ -82,6 +84,27 @@ void Hand::calculateGeometry() {
}
}
}
// generate finger rot balls....
_leapFingerRootBalls.clear();
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
if (palm.isActive()) {
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
if (finger.isActive()) {
const float standardBallRadius = 0.01f;
_leapFingerRootBalls.resize(_leapFingerRootBalls.size() + 1);
HandBall& ball = _leapFingerRootBalls.back();
ball.rotation = _baseOrientation;
ball.position = finger.getRootPosition();
ball.radius = standardBallRadius;
ball.touchForce = 0.0;
ball.isCollidable = true;
}
}
}
}
}
void Hand::setRaveGloveEffectsMode(QKeyEvent* event) {
@ -120,8 +143,9 @@ void Hand::render(bool lookingInMirror) {
glEnable(GL_RESCALE_NORMAL);
if ( SHOW_LEAP_HAND ) {
renderFingerTrails();
renderHandSpheres();
//renderLeapHands();
renderLeapFingerTrails();
renderLeapHandSpheres();
}
}
@ -153,18 +177,64 @@ void Hand::renderRaveGloveStage() {
}
}
void Hand::renderHandSpheres() {
void Hand::renderLeapHands() {
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& hand = getPalms()[i];
if (hand.isActive()) {
renderLeapHand(hand);
}
}
}
void Hand::renderLeapHand(PalmData& hand) {
glPushMatrix();
const float palmThickness = 0.002f;
glColor4f(0.5f, 0.5f, 0.5f, 1.0);
glm::vec3 tip = hand.getPosition();
glm::vec3 root = hand.getPosition() + hand.getNormal() * palmThickness;
Avatar::renderJointConnectingCone(root, tip, 0.05, 0.03);
for (size_t f = 0; f < hand.getNumFingers(); ++f) {
FingerData& finger = hand.getFingers()[f];
if (finger.isActive()) {
glColor4f(_ballColor.r, _ballColor.g, _ballColor.b, 0.5);
glm::vec3 tip = finger.getTipPosition();
glm::vec3 root = finger.getRootPosition();
Avatar::renderJointConnectingCone(root, tip, 0.001, 0.003);
}
}
glPopMatrix();
}
void Hand::renderLeapHandSpheres() {
glPushMatrix();
// Draw the leap balls
for (size_t i = 0; i < _leapBalls.size(); i++) {
for (size_t i = 0; i < _leapFingerTipBalls.size(); i++) {
float alpha = 1.0f;
if (alpha > 0.0f) {
glColor4f(_ballColor.r, _ballColor.g, _ballColor.b, alpha);
glPushMatrix();
glTranslatef(_leapBalls[i].position.x, _leapBalls[i].position.y, _leapBalls[i].position.z);
glutSolidSphere(_leapBalls[i].radius, 20.0f, 20.0f);
glTranslatef(_leapFingerTipBalls[i].position.x, _leapFingerTipBalls[i].position.y, _leapFingerTipBalls[i].position.z);
glutSolidSphere(_leapFingerTipBalls[i].radius, 20.0f, 20.0f);
glPopMatrix();
}
}
for (size_t i = 0; i < _leapFingerRootBalls.size(); i++) {
float alpha = 1.0f;
if (alpha > 0.0f) {
glColor4f(0.3f, 0.4f, 0.6f, alpha);
glPushMatrix();
glTranslatef(_leapFingerRootBalls[i].position.x, _leapFingerRootBalls[i].position.y, _leapFingerRootBalls[i].position.z);
glutSolidSphere(_leapFingerRootBalls[i].radius, 20.0f, 20.0f);
glPopMatrix();
}
}
@ -200,7 +270,7 @@ void Hand::renderHandSpheres() {
glPopMatrix();
}
void Hand::renderFingerTrails() {
void Hand::renderLeapFingerTrails() {
// Draw the finger root cones
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
@ -229,6 +299,7 @@ void Hand::renderFingerTrails() {
}
}
void Hand::setLeapHands(const std::vector<glm::vec3>& handPositions,
const std::vector<glm::vec3>& handNormals) {
for (size_t i = 0; i < getNumPalms(); ++i) {
@ -244,69 +315,28 @@ void Hand::setLeapHands(const std::vector<glm::vec3>& handPositions,
}
}
// call this right after the geometry of the leap hands are set
// call this soon after the geometry of the leap hands are set
void Hand::updateRaveGloveEmitters() {
bool debug = false;
for (size_t i = 0; i < NUM_FINGERS; i++) {
_raveGloveParticleSystem.setEmitterActive(_raveGloveEmitter[i], false);
}
if (_raveGloveInitialized) {
if(debug) printf( "\n" );
if(debug) printf( "------------------------------------\n" );
if(debug) printf( "updating rave glove emitters:\n" );
if(debug) printf( "------------------------------------\n" );
int emitterIndex = 0;
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
for (size_t i = 0; i < _leapFingerTipBalls.size(); i++) {
if (i < NUM_FINGERS) {
glm::vec3 fingerDirection = _leapFingerTipBalls[i].position - _leapFingerRootBalls[i].position;
float fingerLength = glm::length(fingerDirection);
if(debug) printf( "\n" );
if(debug) printf( "palm %d ", (int)i );
if (palm.isActive()) {
if(debug) printf( "is active\n" );
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
if(debug) printf( "emitterIndex %d: ", emitterIndex );
if (finger.isActive()) {
if ((emitterIndex >=0)
&& (emitterIndex < NUM_FINGERS)) {
assert(emitterIndex >=0 );
assert(emitterIndex < NUM_FINGERS );
if(debug) printf( "_raveGloveEmitter[%d] = %d\n", emitterIndex, _raveGloveEmitter[emitterIndex] );
glm::vec3 fingerDirection = finger.getTipPosition() - finger.getRootPosition();
float fingerLength = glm::length(fingerDirection);
if (fingerLength > 0.0f) {
fingerDirection /= fingerLength;
} else {
fingerDirection = IDENTITY_UP;
}
assert(_raveGloveEmitter[emitterIndex] >=0 );
assert(_raveGloveEmitter[emitterIndex] < NUM_FINGERS );
_raveGloveParticleSystem.setEmitterPosition (_raveGloveEmitter[emitterIndex], finger.getTipPosition());
_raveGloveParticleSystem.setEmitterDirection(_raveGloveEmitter[emitterIndex], fingerDirection);
}
} else {
if(debug) printf( "BOGUS finger\n" );
}
emitterIndex ++;
}
if (fingerLength > 0.0f) {
fingerDirection /= fingerLength;
} else {
if(debug) printf( "is NOT active\n" );
fingerDirection = IDENTITY_UP;
}
_raveGloveParticleSystem.setEmitterActive (_raveGloveEmitter[i], true);
_raveGloveParticleSystem.setEmitterPosition (_raveGloveEmitter[i], _leapFingerTipBalls[i].position);
_raveGloveParticleSystem.setEmitterDirection(_raveGloveEmitter[i], fingerDirection);
}
}
}
@ -317,16 +347,11 @@ void Hand::updateRaveGloveParticles(float deltaTime) {
if (!_raveGloveInitialized) {
//printf( "Initializing rave glove emitters:\n" );
//printf( "The indices of the emitters are:\n" );
// start up the rave glove finger particles...
for ( int f = 0; f< NUM_FINGERS; f ++ ) {
_raveGloveEmitter[f] = _raveGloveParticleSystem.addEmitter();
_raveGloveEmitter[f] = _raveGloveParticleSystem.addEmitter();
assert( _raveGloveEmitter[f] >= 0 );
assert( _raveGloveEmitter[f] != NULL_EMITTER );
//printf( "%d\n", _raveGloveEmitter[f] );
}
setRaveGloveMode(RAVE_GLOVE_EFFECTS_MODE_FIRE);
@ -339,13 +364,13 @@ void Hand::updateRaveGloveParticles(float deltaTime) {
// this rave glove effect oscillates though various colors and radii that are meant to show off some effects
if (_raveGloveMode == RAVE_GLOVE_EFFECTS_MODE_THROBBING_COLOR) {
ParticleSystem::ParticleAttributes attributes;
float red = 0.5f + 0.5f * sinf(_raveGloveClock * 1.4f);
float green = 0.5f + 0.5f * cosf(_raveGloveClock * 1.7f);
float blue = 0.5f + 0.5f * sinf(_raveGloveClock * 2.0f);
float red = 0.5f + 0.5f * sinf(_raveGloveClock * 2.4f);
float green = 0.5f + 0.5f * cosf(_raveGloveClock * 2.7f);
float blue = 0.5f + 0.5f * sinf(_raveGloveClock * 3.0f);
float alpha = 1.0f;
attributes.color = glm::vec4(red, green, blue, alpha);
attributes.radius = 0.01f + 0.005f * sinf(_raveGloveClock * 2.2f);
attributes.radius = 0.01f + 0.003f * sinf(_raveGloveClock * 50.0f);
attributes.modulationAmplitude = 0.0f;
for ( int f = 0; f< NUM_FINGERS; f ++ ) {
@ -360,6 +385,8 @@ void Hand::updateRaveGloveParticles(float deltaTime) {
}
}
void Hand::setRaveGloveMode(int mode) {
_raveGloveMode = mode;
@ -376,7 +403,7 @@ void Hand::setRaveGloveMode(int mode) {
if (mode == RAVE_GLOVE_EFFECTS_MODE_THROBBING_COLOR) {
_raveGloveParticleSystem.setParticleRenderStyle (_raveGloveEmitter[f], PARTICLE_RENDER_STYLE_SPHERE );
_raveGloveParticleSystem.setShowingEmitterBaseParticle(_raveGloveEmitter[f], true );
_raveGloveParticleSystem.setEmitterParticleLifespan (_raveGloveEmitter[f], 0.0f );
_raveGloveParticleSystem.setEmitterParticleLifespan (_raveGloveEmitter[f], 0.03f );
_raveGloveParticleSystem.setEmitterThrust (_raveGloveEmitter[f], 0.0f );
_raveGloveParticleSystem.setEmitterRate (_raveGloveEmitter[f], 30.0f );
_raveGloveParticleSystem.setEmitterParticleResolution (_raveGloveEmitter[f], 20 );
@ -650,7 +677,7 @@ void Hand::setRaveGloveMode(int mode) {
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_3, attributes);
//-----------------------------------------
// throb
// long sparkler
//-----------------------------------------
} else if (mode == RAVE_GLOVE_EFFECTS_MODE_LONG_SPARKLER) {
@ -672,6 +699,30 @@ void Hand::setRaveGloveMode(int mode) {
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_1, attributes);
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_2, attributes);
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_3, attributes);
//-----------------------------------------
// throb
//-----------------------------------------
} else if (mode == RAVE_GLOVE_EFFECTS_MODE_THROB) {
_raveGloveParticleSystem.setParticleRenderStyle (_raveGloveEmitter[f], PARTICLE_RENDER_STYLE_SPHERE );
_raveGloveParticleSystem.setShowingEmitterBaseParticle(_raveGloveEmitter[f], true );
_raveGloveParticleSystem.setEmitterParticleLifespan (_raveGloveEmitter[f], 0.03 );
_raveGloveParticleSystem.setEmitterThrust (_raveGloveEmitter[f], 0.0f );
_raveGloveParticleSystem.setEmitterRate (_raveGloveEmitter[f], 30.0 );
_raveGloveParticleSystem.setEmitterParticleResolution (_raveGloveEmitter[f], 20 );
_raveGloveParticleSystem.setParticleAttributesToDefault(&attributes);
attributes.radius = 0.01f;
attributes.color = glm::vec4( 0.1f, 0.2f, 0.4f, 0.5f);
attributes.modulationAmplitude = 0.5;
attributes.modulationRate = 3.0;
attributes.modulationStyle = COLOR_MODULATION_STYLE_LIGHTNESS_WAVE;
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_0, attributes);
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_1, attributes);
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_2, attributes);
_raveGloveParticleSystem.setParticleAttributes(_raveGloveEmitter[f], PARTICLE_LIFESTAGE_3, attributes);
}
}
}

View file

@ -65,8 +65,9 @@ public:
void setRaveGloveEffectsMode(QKeyEvent* event);
// getters
const glm::vec3& getLeapBallPosition (int ball) const { return _leapBalls[ball].position;}
bool isRaveGloveActive () const { return _isRaveGloveActive; }
const glm::vec3& getLeapFingerTipBallPosition (int ball) const { return _leapFingerTipBalls [ball].position;}
const glm::vec3& getLeapFingerRootBallPosition(int ball) const { return _leapFingerRootBalls[ball].position;}
bool isRaveGloveActive() const { return _isRaveGloveActive; }
private:
// disallow copies of the Hand, copy of owning Avatar is disallowed too
@ -84,7 +85,8 @@ private:
float _renderAlpha;
bool _lookingInMirror;
glm::vec3 _ballColor;
std::vector<HandBall> _leapBalls;
std::vector<HandBall> _leapFingerTipBalls;
std::vector<HandBall> _leapFingerRootBalls;
// private methods
void setLeapHands(const std::vector<glm::vec3>& handPositions,
@ -92,8 +94,10 @@ private:
void renderRaveGloveStage();
void setRaveGloveMode(int mode);
void renderHandSpheres();
void renderFingerTrails();
void renderLeapHandSpheres();
void renderLeapHands();
void renderLeapHand(PalmData& hand);
void renderLeapFingerTrails();
void calculateGeometry();
};

17
libraries/avatars/src/AvatarData.cpp Executable file → Normal file
View file

@ -130,6 +130,8 @@ int AvatarData::getBroadcastData(unsigned char* destinationBuffer) {
// leap hand data
std::vector<glm::vec3> fingerVectors;
//printf("about to call _handData->encodeRemoteData(fingerVectors);\n");
_handData->encodeRemoteData(fingerVectors);
if (fingerVectors.size() > 255)
@ -244,17 +246,32 @@ int AvatarData::parseData(unsigned char* sourceBuffer, int numBytes) {
// hand state, stored as a semi-nibble in the bitItems
_handState = getSemiNibbleAt(bitItems,HAND_STATE_START_BIT);
//printf("about to call leap hand data code in AvatarData::parseData...\n");
// leap hand data
if (sourceBuffer - startPosition < numBytes) {
//printf("got inside of 'if (sourceBuffer - startPosition < numBytes)'\n");
// check passed, bytes match
unsigned int numFingerVectors = *sourceBuffer++;
//printf("numFingerVectors = %d\n", numFingerVectors);
if (numFingerVectors > 0) {
//printf("ok, we got fingers in AvatarData::parseData\n");
std::vector<glm::vec3> fingerVectors(numFingerVectors);
for (size_t i = 0; i < numFingerVectors; ++i) {
sourceBuffer += unpackFloatScalarFromSignedTwoByteFixed((int16_t*) sourceBuffer, &(fingerVectors[i].x), fingerVectorRadix);
sourceBuffer += unpackFloatScalarFromSignedTwoByteFixed((int16_t*) sourceBuffer, &(fingerVectors[i].y), fingerVectorRadix);
sourceBuffer += unpackFloatScalarFromSignedTwoByteFixed((int16_t*) sourceBuffer, &(fingerVectors[i].z), fingerVectorRadix);
}
//printf("about to call _handData->decodeRemoteData(fingerVectors);\n");
_handData->decodeRemoteData(fingerVectors);
}
}

3
libraries/avatars/src/HandData.cpp Executable file → Normal file
View file

@ -51,7 +51,9 @@ _owningHandData(owningHandData)
void HandData::encodeRemoteData(std::vector<glm::vec3>& fingerVectors) {
fingerVectors.clear();
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
if (!palm.isActive()) {
continue;
@ -60,6 +62,7 @@ void HandData::encodeRemoteData(std::vector<glm::vec3>& fingerVectors) {
fingerVectors.push_back(palm.getRawNormal());
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
if (finger.isActive()) {
fingerVectors.push_back(finger.getTipRawPosition());
fingerVectors.push_back(finger.getRootRawPosition());