ofxXmlSettings

addons.make

@@ -1,3 +1,4 @@
 ofxGui
 ofxOsc
 ofxVectorGraphics
+ofxXmlSettings

attractor.cpp

@@ -0,0 +1,42 @@
+#include "attractor.h"
+
+Attractor::Attractor()
+{
+	x = 0;
+	y = 0;
+}
+
+//--------------------------------------------------------------------------------------
+
+Attractor::~Attractor()
+{
+
+}
+
+//--------------------------------------------------------------------------------------
+
+
+
+float Attractor::getY() {
+	return y;
+}
+
+
+float Attractor::getX() {
+	return x;
+}
+
+
+void Attractor::setX(float xNew) {
+	x = xNew;
+}
+
+void Attractor::setY(float yNew) {
+	y = yNew;
+}
+
+void Attractor::setup(float xSetup, float ySetup) {
+	x = xSetup;
+	y = ySetup;
+}
+

attractor.h

@@ -0,0 +1,34 @@
+//
+//  attractor.h
+//  particleSystem
+//
+
+#include <stdio.h>
+
+
+class Attractor {
+
+
+public:
+
+	Attractor();
+	~Attractor();
+
+
+	float getX();
+	float getY();
+
+	void setX(float x);
+	void setY(float y);
+
+	void setup(float x, float y);
+
+
+private:
+
+	//ofVec2f direction
+	float x;
+	float y;
+
+	float force;
+};

bin/data/xml/attractor.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

bin/data/xml/default.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

bin/data/xml/detractor.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

bin/data/xml/radial.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

bin/data/xml/rain.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

main.cpp

@@ -0,0 +1,9 @@
+#include "ofMain.h"
+#include "ofApp.h"
+
+//========================================================================
+int main() {
+	ofSetupOpenGL(2000, 2000, OF_WINDOW);			
+	ofRunApp(new ofApp());
+}
+

ofApp.cpp

@@ -0,0 +1,261 @@
+#include "ofApp.h"
+
+//--------------------------------------------------------------
+void ofApp::setup() {
+	ofSetVerticalSync(true);
+
+	//Initialize 8 empty attractrs
+	for (int i = 0; i < 8; i++)
+	{
+		attractors.push_back(new Attractor);
+	}
+
+	//OSC reciever port setup
+	receiver.setup(PORT);
+
+	varSystem = true;
+	trails = true;
+	history = 0.95;
+	num = 1000;
+	sys.assign(num, Particle());
+
+	currentMode = PARTICLE_MODE_DEFAULT;
+	currentModeDisp = "PARTICLE_MODE_DEFAULT";
+
+	//Black background
+	ofSetBackgroundColor(0, 0, 0);
+	ofSetFrameRate(60);
+	birthCount = 0;
+	int w = ofGetWidth();
+	int h = ofGetHeight();
+	fbo.allocate(w, h, GL_RGB);
+	//attractors.at(0)->setup(600, 600);
+
+	attractors.at(1)->setup(200, 200);
+	attractors.at(2)->setup(400, 400);
+	attractors.at(3)->setup(500, 500);
+}
+
+//--------------------------------------------------------------
+void ofApp::update() {
+	// *** OSC RECEIVER  ***
+	while (receiver.hasWaitingMessages()) {
+
+		ofxOscMessage contourCentroids;
+		receiver.getNextMessage(&contourCentroids);
+		oscMsg = ofToString(contourCentroids);
+
+		//Get active ammount of attractors (nBlobs) and their x & y coordinates
+		//Exp. OSC Message: " /centroidsOfBlob ammount xValue, yValue"
+		if (contourCentroids.getAddress() == "/centroidsOfBlob") {
+			nBlobs = contourCentroids.getArgAsInt(0);
+			for (int i = 1; i <= nBlobs; i++) {
+				xOfCentroid = contourCentroids.getArgAsFloat(i * 2 - 1) * ofGetWindowWidth();
+				yOfCentroid = contourCentroids.getArgAsFloat(i * 2) * ofGetWindowHeight();
+
+				attractors.at(i - 1)->setup(xOfCentroid, yOfCentroid);
+			}
+		}
+		//Delete all Attractors on command
+		if (contourCentroids.getAddress() == "/checkin") {
+			for (int i = 0; i < 8; i++) {
+				attractors.at(i)->setup(0, 0);
+			}
+		}
+	}
+
+	// *** PARTICLE EMITTER ***
+
+	//Capture time based on FrameTime
+	double deltaT = ofGetLastFrameTime();
+	birthCount += deltaT;
+
+	if (varSystem == true) {
+		//Birth control for new particles
+		if (birthCount > 0.001) {
+			for (int i = 0;i < 4;i++) {
+				system.push_back(new Particle);
+				system.back()->setup(currentMode);
+			}
+			birthCount = 0;
+		}
+
+
+		for (int p = 0; p < system.size();)
+		{
+			//Upate particle system /w all active attractors
+			system.at(p)->update(deltaT, &attractors, system);
+
+			//Delete particles, that reached max Age
+			if (system.at(p)->getAgeNorm() > 4) {
+				delete system.at(p);
+				system.erase(system.begin() + p);
+			}
+			else {
+				p++;
+			}
+		}
+	}
+	else {
+		ofSeedRandom(39);
+	}
+}
+
+//--------------------------------------------------------------
+void ofApp::reset() {
+
+	for (int p = 0; p < system.size();)
+	{
+			system.erase(system.begin() + p);
+	}
+}
+
+
+//--------------------------------------------------------------
+void ofApp::draw() {
+	if (varSystem == false) {
+		vector<ofVec2f> system;
+		for (int i = 0; i < 1000; i++) {
+			ofVec2f particle(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));
+			system.push_back(particle);
+		}
+
+		for (int out = 0; out < system.size(); out++) {
+			for (int in = out + 1; in < system.size(); in++) {
+				if (system[out].distance(system[in]) < 60) {
+					ofDrawLine(system[out], system[in]);
+				}
+			}
+		}
+
+		for (int i = 0; i < system.size(); i++) {
+
+			ofDrawCircle(system[i], ofRandom(0.5, 3));
+		}
+	}
+	
+	if (trails == true) {
+		fbo.begin();
+		ofEnableAlphaBlending();         //Enable transparency
+
+		float alpha = (1 - history) * 255;
+		ofSetColor(0, 0, 0, alpha);
+		ofFill();
+		ofRect(0, 0, ofGetWidth(), ofGetHeight());
+
+		ofDisableAlphaBlending();        //Disable transparency
+		//Draw particle system
+		for (int p = 0; p < system.size(); p++) {
+			system.at(p)->draw();
+		}
+		fbo.end();
+	}
+	else {
+		//Draw particle system
+		for (int p = 0; p < system.size(); p++) {
+			system.at(p)->draw();
+		}
+	}
+	//Capture time based on FrameTime
+	double deltaT = ofGetLastFrameTime();
+	time += deltaT;
+
+	// Delete inactive attractors after 4 seconds based on Frametime
+	if (time > 2) {
+		for (int i = 0; i < 8; i++) {
+			//attractors.at(i)->setup(0, 0);
+			time = 0;
+		}
+	}
+	fbo.draw(0, 0);
+	// *** DEBUG INFO ***
+	ofSetColor(230);
+	//All 8 Attractors with x | y coordinates 
+	for (int i = 0; i < 8; i++) {
+
+		string x = ofToString(attractors.at(i)->getX());
+		string y = ofToString(attractors.at(i)->getY());
+
+		ofDrawBitmapString("x: " + x + " y: " + y, 100, 100 + i * 20);
+	}
+	//Recieved OSC messages
+	ofDrawBitmapString("OSC: " + ofToString(oscMsg),100, 275);
+	//Elapsed time since last clear of attractors
+	ofDrawBitmapString("Time: " + ofToString(time),100, 300);
+	//Current FPS
+	ofDrawBitmapString("FPS: " + ofToString(ofGetFrameRate()), 100, 325);
+	//Current Mode
+	ofDrawBitmapString("Current Effect: " + currentModeDisp, 100, 350);
+}
+
+//--------------------------------------------------------------
+void ofApp::keyPressed(int key) {
+	//Key press 1 to trigger default particle Mode
+	if (key == '1') {
+		currentMode = PARTICLE_MODE_DEFAULT;
+		currentModeDisp = "PARTICLE_MODE_DEFAULT";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '2') {
+		currentMode = PARTICLE_MODE_RADIAL;
+		currentModeDisp = "PARTICLE_MODE_RADIAL";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger rain particle Mode
+	if (key == '3') {
+		currentMode = PARTICLE_MODE_RAIN;
+		currentModeDisp = "PARTICLE_MODE_RAIN";
+		varSystem = false;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '4') {
+		currentMode = PARTICLE_MODE_ATTRACTOR;
+		currentModeDisp = "PARTICLE_MODE_ATTRACTOR";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '5') {
+		currentMode = PARTICLE_MODE_DETRACTOR;
+		currentModeDisp = "PARTICLE_MODE_DETRACTOR";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '6') {
+		currentMode = PARTICLE_MODE_POLY;
+		currentModeDisp = "PARTICLE_MODE_POLY";
+		varSystem = false;
+		reset();
+	}
+	if (key == '7') {
+		trails = true;
+		reset();
+	}
+}
+
+//--------------------------------------------------------------
+void ofApp::keyReleased(int key) {
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseMoved(int x, int y) {
+	attractors.at(0)->setup(ofGetMouseX(), ofGetMouseY());
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mousePressed(int x, int y, int button) {
+
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseReleased(int x, int y, int button) {
+
+}
+

ofApp.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "ofMain.h"
+#include "particle.h"
+#include "ofxOsc.h"
+#include "ofxGui.h"
+
+//OSC Reciever PORT & HOST IP
+#define PORT 12345
+#define HOST "172.20.10.2"
+
+class ofApp : public ofBaseApp {
+
+public:
+	void setup();
+	void update();
+	void draw();
+	void reset();
+
+	void keyPressed(int key);
+	void keyReleased(int key);
+	void mouseMoved(int x, int y);
+	void mousePressed(int x, int y, int button);
+	void mouseReleased(int x, int y, int button);
+
+	ofxXmlSettings default;
+	ofxXmlSettings attractor;
+	ofxXmlSettings rain;
+	ofxXmlSettings brunig;
+
+private:
+	
+	// OSC Receiver
+
+	particleMode currentMode;
+	string currentModeDisp;
+
+	string oscMsg;
+	ofxOscReceiver  receiver;
+	float timeSent, timeReceived;
+
+	int nBlobs;
+	int blobCount;
+	int num;
+	float history;
+	ofFbo fbo;
+
+	float xOfCentroid;
+	float yOfCentroid;
+
+	vector<Particle*> system;
+	vector<Particle>sys;
+	vector<Attractor*> attractors;
+
+	float birthCount;
+	double time;
+
+	bool varSystem;
+	bool trails;
+};

particle.cpp

@@ -0,0 +1,211 @@
+
+//  particle.cpp
+//  particleSystem
+//
+
+#include "particle.h"
+#include "ofApp.h"
+
+Particle::Particle()
+{
+	uniqueVal = ofRandom(-10000, 10000);
+}
+
+//--------------------------------------------------------------------------------------
+
+
+void Particle::setup(particleMode newMode) {
+	mode = newMode;
+	age = 0.0;
+	//maxLife = 30.0;
+	frc = ofVec2f(0, 0);
+	//size = ofRandom(4.0, 0.01);
+	size = .5;
+	maxLife = 0.99;
+	mass = ofRandom(100, 250);
+	if (mode == PARTICLE_MODE_DEFAULT) {
+		effect.loadFile("xml/default.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		setVel(velMin, velMax);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else if (mode == PARTICLE_MODE_RADIAL) {
+		effect.loadFile("xml/radial.xml");
+		int velMin = effect.getValue("radial:velMin", 0);
+		int velMax = effect.getValue("radial:velMax", 0);
+		setVel(velMin, velMax);
+		pos.x = ofGetWidth()/2;
+		pos.y = ofGetHeight()/2;
+	}
+	else if (mode == PARTICLE_MODE_RAIN) {
+		effect.loadFile("xml/rain.xml");
+		vel.x = ofRandom(-40, 40);
+		vel.y = ofRandom(-40, 40);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+		drag = ofRandom(0.97, 0.99);
+		vel.y = fabs(vel.y) * 6.0; 
+	}
+	else if (mode == PARTICLE_MODE_ATTRACTOR) {
+		effect.loadFile("xml/rain.xml");
+		vel.x = ofRandom(-40, 40);
+		vel.y = ofRandom(-40, 40);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else if (mode == PARTICLE_MODE_DETRACTOR) {
+		effect.loadFile("xml/rain.xml");
+		vel.x = ofRandom(-40, 40);
+		vel.y = ofRandom(-40, 40);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else {
+
+		drag = ofRandom(0.95, 0.998);
+	}
+
+	tex.load("img/br.png");
+}
+
+//--------------------------------------------------------------------------------------
+
+void Particle::update(float deltaT, vector<Attractor*>* attractors,vector<Particle*> system) {
+	if (mode == PARTICLE_MODE_DEFAULT) {
+		
+	}
+	else if (mode == PARTICLE_MODE_RAIN) {
+		float wind = ofSignedNoise(pos.x * 0.003, pos.y * 0.0006, ofGetElapsedTimef() * 0.6);
+
+		frc.x = wind * 0.25 + ofSignedNoise(uniqueVal, pos.y * 0.08) * 0.6;
+		frc.y = ofSignedNoise(uniqueVal, pos.x * 0.06, ofGetElapsedTimef()*0.2) * 0.09 + 0.18;
+
+		vel *= drag;
+		vel += frc * 0.2;
+
+		if (pos.y + vel.y > ofGetHeight()) {
+			pos.y -= ofGetHeight();
+		}
+		}
+	else if (mode == PARTICLE_MODE_ATTRACTOR) {
+
+		ofVec2f force;
+		counterOfActiveAttractors = 0;
+		for (int i = 0; i < attractors->size(); i++) {
+			if (attractors->at(i)->getX() == 0 && attractors->at(i)->getY() == 0) {
+				vel += force;
+				vel = mass * vel.getNormalized();
+				break;
+			}
+
+			counterOfActiveAttractors++;
+			force.set(attractors->at(i)->getX() - pos.x, attractors->at(i)->getY() - pos.y);
+
+			if (force.length() < 250) {
+				force = 40 * force.getNormalized();
+				size = size + ofRandom(.03, 0.01);
+				vel += force;
+				vel = mass * vel.getNormalized();
+			}
+			else {
+				force = 0 * force.getNormalized();
+				vel += force;
+				vel = mass * vel.getNormalized();
+			}
+		}
+	}
+	else if (mode == PARTICLE_MODE_DETRACTOR) {
+		ofVec2f force;
+		counterOfActiveAttractors = 0;
+		for (int i = 0; i < attractors->size(); i++) {
+			if (attractors->at(i)->getX() == 0 && attractors->at(i)->getY() == 0) {
+				//force = 0 * force.getNormalized();
+				vel += force;
+				vel = mass * vel.getNormalized();
+				break;
+			}
+
+			counterOfActiveAttractors++;
+			force.set(attractors->at(i)->getX() - pos.x, attractors->at(i)->getY() - pos.y);
+
+			if (force.length() < 600) {
+				force.normalize();
+				size = size + ofRandom(.01, 0.01);
+
+				vel += -force*2000;
+				vel = mass * vel.getNormalized();
+			}
+			else {
+				force = 0 * force.getNormalized();
+				vel += force;
+				vel = mass * vel.getNormalized();
+			}
+		}
+	}
+	//Update particle pos
+	age += deltaT* .5;
+	pos += (vel * deltaT);
+
+	//  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION
+
+	//if (position.x <= 0 || position.x >= ofGetWidth()) {
+		//vel.x = -vel.x;
+		//position += (vel * deltaT);
+	//}
+	//else if (position.y <= 0 || position.y >= ofGetHeight()) {
+		//vel.y = -vel.y;
+		//position += (vel * deltaT);
+	//}
+	//else {
+		//position += (vel * deltaT);
+	//}
+}
+
+//--------------------------------------------------------------------------------------
+void Particle::draw() {
+
+	color.set(getAgeNorm() * 241,241/ getAgeNorm() ,219);
+
+	ofSetColor(color, (1 - getAgeNorm()) * 255);
+	if (mode == PARTICLE_MODE_BRUNIG) {
+	tex.setColor(color);
+	tex.draw(pos.x, pos.y, size);
+	}
+	else {
+		ofDrawCircle(pos.x, pos.y, size);
+	}
+}
+
+//------------------------------------------------------------------
+void Particle::setMode(particleMode newMode) {
+	mode = newMode;
+}
+
+//--------------------------------------------------------------------------------------
+float Particle::getAgeNorm() {
+	return age / maxLife;
+}
+
+//--------------------------------------------------------------------------------------
+void Particle::setVel(float min, float max) {
+	vel.x = ofRandom(min,max);
+	vel.y = ofRandom(min,max);
+}
+
+float Particle::getMaxLife() {
+	return 1;
+}
+
+float Particle::getY() {
+	return pos.y;
+}
+
+
+float Particle::getX() {
+	return pos.x;
+}
+
+

particle.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxXmlSettings.h"
+#include "attractor.h"
+
+enum particleMode{
+	PARTICLE_MODE_DEFAULT,
+	PARTICLE_MODE_ATTRACTOR,
+	PARTICLE_MODE_RAIN,
+	PARTICLE_MODE_RADIAL,
+	PARTICLE_MODE_DETRACTOR,
+	PARTICLE_MODE_POLY,
+	PARTICLE_MODE_BRUNIG
+};
+
+class Particle{
+
+public:
+
+	Particle();
+
+	void setup(particleMode newMode);
+
+	void update(float deltaT, vector<Attractor*>* attractors, vector<Particle*> system);
+	void setMode(particleMode newMode);
+	particleMode mode;
+
+	void draw();
+	void reset(ofVec2f _pos);
+
+	float getX();
+	float getY();
+
+	void setVel(float min, float max);
+
+	float getAgeNorm();
+	float getMaxLife();
+	
+
+	ofxXmlSettings effect;
+
+	int counterOfActiveAttractors;
+
+	ofVec2f vel;
+	ofVec2f pos;
+	ofVec2f frc;
+
+	float scale;
+	float drag;
+	float uniqueVal;
+
+	float maxLife;
+	float age;
+
+	float size;
+	float mass;
+
+	int blobCounterInParticle;
+
+	ofColor color;
+	ofImage tex;
+};

src/bin/data/xml/attractor.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

src/bin/data/xml/default.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

src/bin/data/xml/detraktor.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

src/bin/data/xml/radial.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

src/bin/data/xml/rain.xml

@@ -0,0 +1,10 @@
+<default>
+	<sizeMin>0.05</sizeMin>
+	<sizeMax>4</sizeMax>
+	<mass>100</mass>
+	<drag>0</drag>
+	<maxLife>10</maxLife>
+	<velMin>-80</velMin>
+	<velMax>80</velMax>
+	<color></color>
+</default>

src/main.cpp

@@ -3,8 +3,7 @@
 
 //========================================================================
 int main() {
-	ofSetupOpenGL(1000, 1000, OF_WINDOW);			// <-------- setup the GL context
+	ofSetupOpenGL(2000, 2000, OF_WINDOW);			
 	ofRunApp(new ofApp());
 }
 
-//hahahahahahahahha

src/ofApp.cpp

@@ -2,6 +2,7 @@
 
 //--------------------------------------------------------------
 void ofApp::setup() {
+	ofSetVerticalSync(true);
 
 	//Initialize 8 empty attractrs
 	for (int i = 0; i < 8; i++)
@@ -12,19 +13,27 @@ void ofApp::setup() {
 	//OSC reciever port setup
 	receiver.setup(PORT);
 
+	varSystem = true;
+	trails = true;
+	history = 0.95;
+	//num = 1000;
+	//sys.assign(num, Particle());
+
+	currentMode = PARTICLE_MODE_DEFAULT;
+	currentModeDisp = "PARTICLE_MODE_DEFAULT";
+
 	//Black background
 	ofSetBackgroundColor(0, 0, 0);
-
 	ofSetFrameRate(60);
-
+	birthCount = 100;
-	birthCount = 0;
+	w = ofGetWidth();
-
+	h = ofGetHeight();
-	//attractors.at(0)->setup(200, 200);
+	fbo.allocate(w, h, GL_RGB);
+	//attractors.at(0)->setup(600, 600);
 }
 
 //--------------------------------------------------------------
 void ofApp::update() {
-
 	// *** OSC RECEIVER  ***
 	while (receiver.hasWaitingMessages()) {
 
@@ -57,11 +66,12 @@ void ofApp::update() {
 	double deltaT = ofGetLastFrameTime();
 	birthCount += deltaT;
 
+	if (varSystem == true) {
 		//Birth control for new particles
 		if (birthCount > 0.001) {
 			for (int i = 0;i < 4;i++) {
-			system.push_back(new thParticle);
+				system.push_back(new Particle);
-			system.back()->setup(ofVec2f(ofGetWidth()*.5, ofGetHeight()*.5));
+				system.back()->setup(currentMode);
 			}
 			birthCount = 0;
 		}
@@ -70,7 +80,7 @@ void ofApp::update() {
 		for (int p = 0; p < system.size();)
 		{
 			//Upate particle system /w all active attractors
-		system.at(p)->update(deltaT, &attractors);
+			system.at(p)->update(deltaT, &attractors, system);
 
 			//Delete particles, that reached max Age
 			if (system.at(p)->getAgeNorm() > 4) {
@@ -81,19 +91,67 @@ void ofApp::update() {
 				p++;
 			}
 		}
+	}
+	else {
+		ofSeedRandom(39);
+	}
 }
 
+//--------------------------------------------------------------
+void ofApp::reset() {
+
+	for (int p = 0; p < system.size();)
+	{
+			system.erase(system.begin() + p);
+	}
+}
 
 
 //--------------------------------------------------------------
 void ofApp::draw() {
+	if (varSystem == false) {
+		vector<ofVec2f> system;
+		for (int i = 0; i < 1000; i++) {
+			ofVec2f particle(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));
+			system.push_back(particle);
+		}
 
+		for (int out = 0; out < system.size(); out++) {
+			for (int in = out + 1; in < system.size(); in++) {
+				if (system[out].distance(system[in]) < 60) {
+					ofDrawLine(system[out], system[in]);
+				}
+			}
+		}
+
+		for (int i = 0; i < system.size(); i++) {
+
+			ofDrawCircle(system[i], ofRandom(0.5, 3));
+		}
+	}
+	
+	if (trails == true) {
+		fbo.begin();
+		ofEnableAlphaBlending();         //Enable transparency
+
+		float alpha = (1 - history) * 255;
+		ofSetColor(0, 0, 0, alpha);
+		ofFill();
+		ofRect(0, 0, ofGetWidth(), ofGetHeight());
+
+		ofDisableAlphaBlending();        //Disable transparency
 		//Draw particle system
 		for (int p = 0; p < system.size(); p++) {
 			system.at(p)->draw();
 		}
-
+		fbo.end();
-
+	}
+	else {
+		//Draw particle system
+		for (int p = 0; p < system.size(); p++) {
+			system.at(p)->draw();
+		}
+	}
 	//Capture time based on FrameTime
 	double deltaT = ofGetLastFrameTime();
 	time += deltaT;
@@ -105,28 +163,91 @@ void ofApp::draw() {
 			time = 0;
 		}
 	}
-
+	fbo.draw(0, 0);
 	// *** DEBUG INFO ***
-
+	ofSetColor(230);
 	//All 8 Attractors with x | y coordinates 
 	for (int i = 0; i < 8; i++) {
 
-		//string x = ofToString(attractors.at(i)->getX());
+		string x = ofToString(attractors.at(i)->getX());
-		//string y = ofToString(attractors.at(i)->getY());
+		string y = ofToString(attractors.at(i)->getY());
 
-		//ofDrawBitmapString("x: " + x + " y: " + y, 100, 100 + i * 20);
+		ofDrawBitmapString("x: " + x + " y: " + y, 100, 100 + i * 20);
 	}
 	//Recieved OSC messages
-	//ofDrawBitmapString("OSC: " + ofToString(oscMsg),100, 275);
+	ofDrawBitmapString("OSC: " + ofToString(oscMsg),100, 275);
 	//Elapsed time since last clear of attractors
-	//ofDrawBitmapString("Time: " + ofToString(time),100, 300);
+	ofDrawBitmapString("Time: " + ofToString(time),100, 300);
 	//Current FPS
-	//ofDrawBitmapString("FPS: " + ofToString(ofGetFrameRate()), 100, 325);
+	ofDrawBitmapString("FPS: " + ofToString(ofGetFrameRate()), 100, 325);
+	//Current Mode
+	ofDrawBitmapString("Current Effect: " + currentModeDisp, 100, 350);
 }
 
 //--------------------------------------------------------------
 void ofApp::keyPressed(int key) {
-
+	//Key press 1 to trigger default particle Mode
+	if (key == '1') {
+		currentMode = PARTICLE_MODE_DEFAULT;
+		currentModeDisp = "PARTICLE_MODE_DEFAULT";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '2') {
+		currentMode = PARTICLE_MODE_RADIAL;
+		currentModeDisp = "PARTICLE_MODE_RADIAL";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger rain particle Mode
+	if (key == '3') {
+		currentMode = PARTICLE_MODE_RAIN;
+		currentModeDisp = "PARTICLE_MODE_RAIN";
+		varSystem = true;
+		trails = false;
+		fbo.clear();
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '4') {
+		currentMode = PARTICLE_MODE_ATTRACTOR;
+		currentModeDisp = "PARTICLE_MODE_ATTRACTOR";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '5') {
+		currentMode = PARTICLE_MODE_DETRACTOR;
+		currentModeDisp = "PARTICLE_MODE_DETRACTOR";
+		varSystem = true;
+		reset();
+	}
+	//Key press 2 to trigger attractor particle Mode
+	if (key == '6') {
+		currentMode = PARTICLE_MODE_POLY;
+		currentModeDisp = "PARTICLE_MODE_POLY";
+		varSystem = false;
+		trails = false;
+		fbo.clear();
+		reset();
+	}
+	if (key == '7') {
+		trails = true;
+		fbo.allocate(w, h, GL_RGB);
+		reset();
+	}
+	if (key == '8') {
+		trails = false;
+		fbo.clear();
+		reset();
+	}
+	if (key == '9') {
+		currentMode = PARTICLE_MODE_POLY;
+		currentModeDisp = "PARTICLE_MODE_BRUNIG";
+		varSystem = true;
+		reset();
+	}
 }
 
 //--------------------------------------------------------------
@@ -136,6 +257,7 @@ void ofApp::keyReleased(int key) {
 
 //--------------------------------------------------------------
 void ofApp::mouseMoved(int x, int y) {
+	attractors.at(0)->setup(ofGetMouseX(), ofGetMouseY());
 
 }
 

src/ofApp.h

@@ -15,6 +15,7 @@ public:
 	void setup();
 	void update();
 	void draw();
+	void reset();
 
 	void keyPressed(int key);
 	void keyReleased(int key);
@@ -22,23 +23,41 @@ public:
 	void mousePressed(int x, int y, int button);
 	void mouseReleased(int x, int y, int button);
 
+	ofxXmlSettings default;
+	ofxXmlSettings attractor;
+	ofxXmlSettings rain;
+	ofxXmlSettings brunig;
+
 private:
 	
 	// OSC Receiver
 
+	particleMode currentMode;
+	string currentModeDisp;
+
 	string oscMsg;
 	ofxOscReceiver  receiver;
 	float timeSent, timeReceived;
 
 	int nBlobs;
 	int blobCount;
+	int num;
+	float history;
+	ofFbo fbo;
 
 	float xOfCentroid;
 	float yOfCentroid;
 
-	vector<thParticle*> system;
+	vector<Particle*> system;
+	vector<Particle>sys;
 	vector<Attractor*> attractors;
+
 	float birthCount;
 	double time;
 
+	bool varSystem;
+	bool trails;
+
+	int w;
+	int h;
 };

src/particle.cpp

@@ -8,61 +8,132 @@
 
 Particle::Particle()
 {
-	
+	uniqueVal = ofRandom(-10000, 10000);
-}
-
-//--------------------------------------------------------------------------------------
-
-Particle::~Particle()
-{
-
 }
 
 //--------------------------------------------------------------------------------------
 
 
-void Particle::setup(ofVec2f _position) {
+void Particle::setup(particleMode newMode) {
-
+	mode = newMode;
-	this->position = _position;
-
-	vel.set(ofRandom(-3.0, 3.0), ofRandom(-3.0, 3.0));
-
 	age = 0.0;
-	maxLife = 12.0;
+	maxLife = 10.0;
-
+	frc = ofVec2f(0, 0);
-	color.set(250, 250, 250);
+	size = ofRandom(1, 1);
-
+	size = .5;
-	size = ofRandom(4.0, 0.01);
-
 	mass = ofRandom(100, 250);
+	//setVel(-40, 40);
+	if (mode == PARTICLE_MODE_DEFAULT) {
+		effect.loadFile("xml/default.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		setVel(velMin, velMax);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		maxLife = lifeMax;
+		int sizeMin = effect.getValue("default:sizeMin", 0);
+		int sizeMax = effect.getValue("default:sizeMax", 0);
+		size = ofRandom(sizeMin, sizeMax);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else if (mode == PARTICLE_MODE_RADIAL) {
+		effect.loadFile("xml/radial.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		setVel(velMin, velMax);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		maxLife = lifeMax;
+		int sizeMin = effect.getValue("default:sizeMin", 0);
+		int sizeMax = effect.getValue("default:sizeMax", 0);
+		size = ofRandom(sizeMin, sizeMax);
+		pos.x = ofGetWidth()/2;
+		pos.y = ofGetHeight()/2;
+	}
+	else if (mode == PARTICLE_MODE_RAIN) {
+		effect.loadFile("xml/rain.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		setVel(velMin, velMax);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		maxLife = lifeMax;
+		int sizeMin = effect.getValue("default:sizeMin", 0);
+		int sizeMax = effect.getValue("default:sizeMax", 0);
+		size = ofRandom(sizeMin, sizeMax);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+		drag = ofRandom(0.97, 0.99);
+		vel.y = fabs(vel.y) * 6.0; 
+	}
+	else if (mode == PARTICLE_MODE_ATTRACTOR) {
+		effect.loadFile("xml/attractor.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		setVel(velMin, velMax);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		maxLife = lifeMax;
+		int sizeMin = effect.getValue("default:sizeMin", 0);
+		int sizeMax = effect.getValue("default:sizeMax", 0);
+		size = ofRandom(sizeMin, sizeMax);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else if (mode == PARTICLE_MODE_DETRACTOR) {
+		effect.loadFile("xml/detractor.xml");
+		int velMin = effect.getValue("default:velMin", 0);
+		int velMax = effect.getValue("default:velMax", 0);
+		setVel(velMin, velMax);
+		int lifeMax = effect.getValue("default:maxLife", 0);
+		maxLife = lifeMax;
+		int sizeMin = effect.getValue("default:sizeMin", 0);
+		int sizeMax = effect.getValue("default:sizeMax", 0);
+		size = ofRandom(sizeMin, sizeMax);
+		pos.x = ofRandomWidth();
+		pos.y = ofRandomHeight();
+	}
+	else {
 
-	tex.load("img/overlay.png");
+		drag = ofRandom(0.95, 0.998);
+	}
 
+	tex.load("img/br.png");
 }
 
-
-
 //--------------------------------------------------------------------------------------
 
-void Particle::update(float deltaT, vector<Attractor*>* attractors) {
+void Particle::update(float deltaT, vector<Attractor*>* attractors,vector<Particle*> system) {
+	if (mode == PARTICLE_MODE_DEFAULT) {
+		
+	}
+	else if (mode == PARTICLE_MODE_RAIN) {
+		float wind = ofSignedNoise(pos.x * 0.003, pos.y * 0.006, ofGetElapsedTimef() * 0.6);
+
+		frc.x = wind * 0.25 + ofSignedNoise(uniqueVal, pos.y * 0.08) * 0.6;
+		frc.y = ofSignedNoise(uniqueVal, pos.x * 0.06, ofGetElapsedTimef()*0.2) * 0.09 + 0.18;
+
+		vel *= drag;
+		vel += frc * 0.2;
+
+		if (pos.y + vel.y > ofGetHeight()) {
+			pos.y -= ofGetHeight();
+		}
+		}
+	else if (mode == PARTICLE_MODE_ATTRACTOR) {
 
 		ofVec2f force;
 		counterOfActiveAttractors = 0;
 		for (int i = 0; i < attractors->size(); i++) {
 			if (attractors->at(i)->getX() == 0 && attractors->at(i)->getY() == 0) {
-			force = 0 * force.getNormalized();
 				vel += force;
 				vel = mass * vel.getNormalized();
 				break;
 			}
 
 			counterOfActiveAttractors++;
-		force.set(attractors->at(i)->getX() - position.x, attractors->at(i)->getY() - position.y);
+			force.set(attractors->at(i)->getX() - pos.x, attractors->at(i)->getY() - pos.y);
-
-		if (force.length() < 150) {
-			force = 60 * force.getNormalized();
-			size = size + ofRandom(.01, 0.01);
 
+			if (force.length() < 250) {
+				force = 40 * force.getNormalized();
+				size = size + ofRandom(.03, 0.01);
 				vel += force;
 				vel = mass * vel.getNormalized();
 			}
@@ -72,9 +143,38 @@ void Particle::update(float deltaT, vector<Attractor*>* attractors) {
 				vel = mass * vel.getNormalized();
 			}
 		}
+	}
+	else if (mode == PARTICLE_MODE_DETRACTOR) {
+		ofVec2f force;
+		counterOfActiveAttractors = 0;
+		for (int i = 0; i < attractors->size(); i++) {
+			if (attractors->at(i)->getX() == 0 && attractors->at(i)->getY() == 0) {
+				//force = 0 * force.getNormalized();
+				vel += force;
+				vel = mass * vel.getNormalized();
+				break;
+			}
 
+			counterOfActiveAttractors++;
+			force.set(attractors->at(i)->getX() - pos.x, attractors->at(i)->getY() - pos.y);
+
+			if (force.length() < 600) {
+				force.normalize();
+				size = size + ofRandom(.01, 0.01);
+
+				vel += -force*2000;
+				vel = mass * vel.getNormalized();
+			}
+			else {
+				force = 0 * force.getNormalized();
+				vel += force;
+				vel = mass * vel.getNormalized();
+			}
+		}
+	}
+	//Update particle pos
 	age += deltaT * .5;
-	position += (vel * deltaT);
+	pos += (vel * deltaT);
 
 	//  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION  *** COLLISION
 
@@ -89,60 +189,50 @@ void Particle::update(float deltaT, vector<Attractor*>* attractors) {
 	//else {
 		//position += (vel * deltaT);
 	//}
-
-
-	//void thParticle::update(float deltaT, ofVec2f attractor){
-	//
-	//
-	//    age += deltaT;
-	//
-	//    ofVec2f force = attractor - position;
-	//    color.set(250,250, 250, (1 - age / maxLife) * 255);
-	//
-	//    if( force.length() < 40 && force.length() > 11 ){
-	//        velocity = velocity.getNormalized() * mass;
-	//         velocity += 0.01 * force ;
-	//
-	//    }else if(force.length() < 12){
-	//        velocity = velocity.getNormalized() * mass;
-	//        velocity += 5 * force ;
-	//
-	//    }else{
-	//
-	//        velocity = velocity.getNormalized() * mass;
-	//         velocity += 0.12 * force ;
-	//    }
-	//    position += velocity * deltaT;
-	//}
 }
 
 //--------------------------------------------------------------------------------------
-
 void Particle::draw() {
 
 	color.set(getAgeNorm() * 241,241/ getAgeNorm() ,219);
 
 	ofSetColor(color, (1 - getAgeNorm()) * 255);
-	//tex.setColor(color);
+	if (mode == PARTICLE_MODE_BRUNIG) {
-	//tex.draw(position, size, size);
+	tex.setColor(color);
+	tex.draw(pos.x, pos.y, size);
+	}
+	else {
+		ofDrawCircle(pos.x, pos.y, size);
+	}
+}
 
-	ofDrawCircle(position, size);
+//------------------------------------------------------------------
+void Particle::setMode(particleMode newMode) {
+	mode = newMode;
 }
 
 //--------------------------------------------------------------------------------------
-
-
 float Particle::getAgeNorm() {
 	return age / maxLife;
 }
 
-
 //--------------------------------------------------------------------------------------
-
+void Particle::setVel(float min, float max) {
+	vel.x = ofRandom(min,max);
+	vel.y = ofRandom(min,max);
+}
 
 float Particle::getMaxLife() {
 	return 1;
 }
 
+float Particle::getY() {
+	return pos.y;
+}
+
+
+float Particle::getX() {
+	return pos.x;
+}
+
 
-//--------------------------------------------------------------------------------------

src/particle.h

@@ -1,33 +1,54 @@
 #pragma once
 
 #include "ofMain.h"
+#include "ofxXmlSettings.h"
 #include "attractor.h"
-#include "line.h"
 
-class Particle
+enum particleMode{
-{
+	PARTICLE_MODE_DEFAULT,
+	PARTICLE_MODE_ATTRACTOR,
+	PARTICLE_MODE_RAIN,
+	PARTICLE_MODE_RADIAL,
+	PARTICLE_MODE_DETRACTOR,
+	PARTICLE_MODE_POLY,
+	PARTICLE_MODE_BRUNIG
+};
+
+class Particle{
 
 public:
 
 	Particle();
-	~Particle();
 
-	void setup(ofVec2f position);
+	void setup(particleMode newMode);
 
-	void update(float deltaT, vector<Attractor*>* attractors);
+	void update(float deltaT, vector<Attractor*>* attractors, vector<Particle*> system);
+	void setMode(particleMode newMode);
+	particleMode mode;
 
 	void draw();
+	void reset(ofVec2f _pos);
+
+	float getX();
+	float getY();
+
+	void setVel(float min, float max);
 
 	float getAgeNorm();
 	float getMaxLife();
 	
 
-private:
+	ofxXmlSettings effect;
 
 	int counterOfActiveAttractors;
 
 	ofVec2f vel;
-	ofVec2f position;
+	ofVec2f pos;
+	ofVec2f frc;
+
+	float scale;
+	float drag;
+	float uniqueVal;
 
 	float maxLife;
 	float age;