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Forum_Deutsches_Museum_Interaktiv
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Effekte
Tobias Lindner 5 years ago
parent
247746be58
commit
6b1179c77e
3 changed files with 178 additions and 38 deletions
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  1. 1
    2
      src/main.cpp
  2. 158
    36
      src/ofApp.cpp
  3. 19
    0
      src/ofApp.h

+ 1
- 2
src/main.cpp View File

@@ -3,8 +3,7 @@

//========================================================================
int main() {
ofSetupOpenGL(1000, 1000, OF_WINDOW); // <-------- setup the GL context
ofSetupOpenGL(2000, 2000, OF_WINDOW);
ofRunApp(new ofApp());
}

//hahahahahahahahha

+ 158
- 36
src/ofApp.cpp View File

@@ -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 = 0;

//attractors.at(0)->setup(200, 200);
birthCount = 100;
w = ofGetWidth();
h = ofGetHeight();
fbo.allocate(w, h, GL_RGB);
//attractors.at(0)->setup(600, 600);
}

//--------------------------------------------------------------
void ofApp::update() {

// *** OSC RECEIVER ***
while (receiver.hasWaitingMessages()) {

@@ -57,43 +66,92 @@ void ofApp::update() {
double deltaT = ofGetLastFrameTime();
birthCount += deltaT;

//Birth control for new particles
if (birthCount > 0.001) {
for (int i = 0;i < 4;i++) {
system.push_back(new Particle);
system.back()->setup(ofVec2f(ofGetWidth()*.5, ofGetHeight()*.5));
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;
}
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();)
{
//Upate particle system /w all active attractors
system.at(p)->update(deltaT, &attractors);

//Delete particles, that reached max Age
if (system.at(p)->getAgeNorm() > 4) {
delete system.at(p);
system.erase(system.begin() + p);
}
else {
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);
}

//Draw particle system
for (int p = 0; p < system.size(); p++) {
system.at(p)->draw();
}
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 y = ofToString(attractors.at(i)->getY());
string x = ofToString(attractors.at(i)->getX());
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());

}


+ 19
- 0
src/ofApp.h View File

@@ -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<Particle*> system;
vector<Particle>sys;
vector<Attractor*> attractors;

float birthCount;
double time;

bool varSystem;
bool trails;

int w;
int h;
};

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