//--------------------------------------------------------------
void testApp::update()
{
sys.get()->setCameraPosition(ofxSPK::toSPK(cam.getPosition()));
sys.update();
em.setPosition(ofSignedNoise(1, 0, 0, ofGetElapsedTimef() * 0.5) * 1400,
ofSignedNoise(0, 1, 0, ofGetElapsedTimef() * 0.5) * 1400,
ofSignedNoise(0, 0, 1, ofGetElapsedTimef() * 0.5) * 1400);
em.tilt(0.1);
em.pan(15);
em.roll(-3.5);
em.update();
mod.update();
mod2.update();
mod.setPosition(ofSignedNoise(100, 0, 0, ofGetElapsedTimef() * 0.1) * 1000,
ofSignedNoise(0, 100, 0, ofGetElapsedTimef() * 0.1) * 1000,
ofSignedNoise(0, 0, 100, ofGetElapsedTimef() * 0.1) * 1000);
mod2.setPosition(ofSignedNoise(500, 0, 0, ofGetElapsedTimef() * 0.5) * 200,
ofSignedNoise(0, 500, 0, ofGetElapsedTimef() * 0.5) * 200,
ofSignedNoise(0, 0, 500, ofGetElapsedTimef() * 0.5) * 200);
ofSetWindowTitle(ofToString(ofGetFrameRate()));
}
//--------------------------------------------------------------
void testApp::setup()
{
// setup pointsprite texture
// NOTES: the texture size must be Power of Two,
// and turn off arb texture option while loading
ofDisableArbTex();
sprite.loadImage("image.jpg");
ofEnableArbTex();
ofSetFrameRate(60);
ofSetVerticalSync(true);
ofBackground(0);
sys.setup();
group.setup(sys);
group.setColor(ofxSPK::RangeC(ofColor(255, 255), ofColor(255, 255)),
ofxSPK::RangeC(ofColor(0, 0), ofColor(255, 0)));
group.setLifeTime(0.5, 5);
group.setFriction(0.1);
group.setSize(0, ofxSPK::RangeF(30, 250));
group.setGravity(ofVec3f(0, -10, 0));
group.setMass(0.1, 1);
rot.setup(SPK::Vortex::create(SPK::Vector3D(ofGetWidth()/2, ofGetHeight()/2),
SPK::Vector3D(0, 1, 0),
200,
10), group);
group.reserve(10000);
}
//--------------------------------------------------------------
void testApp::update()
{
group.emitRandom(10, ofVec3f(ofGetMouseX(), ofGetMouseY()));
sys.update();
ofSetWindowTitle(ofToString(ofGetFrameRate()));
}
//--------------------------------------------------------------
void testApp::draw()
{
ofEnableBlendMode(OF_BLENDMODE_ADD);
// sys.debugDraw();
// bind texture, enable point sprite while drawing particles
sprite.bind();
ofEnablePointSprites();
sys.draw();
ofDisablePointSprites();
sprite.unbind();
}
//--------------------------------------------------------------
void testApp::setup()
{
ofSetFrameRate(60);
ofSetVerticalSync(true);
ofBackground(0);
sys.setup();
group = sys.createGroup();
group.setColor(ofxSPK::RangeC(ofColor(255, 255, 0, 255), ofColor(255, 0, 0, 255)),
ofxSPK::RangeC(ofColor(255, 0, 255, 0), ofColor(255, 255, 0, 0)));
group.setLifeTime(10);
group.setFriction(0.1);
group.setSize(ofxSPK::RangeF(1), ofxSPK::RangeF(400, 100));
group.setGravity(ofVec3f(0, 0, 0));
group.reserve(10000);
em = group.createEmitter(ofxSPK::Emitter::SPHERIC);
em.setFlow(1000);
em.setForce(100, 1350);
em.setAngles(0.0, 0.1);
mod = group.createModifier(ofxSPK::Modifier::POINT_MASS);
mod.setZone(SPK::Sphere::create(ofxSPK::toSPK(ofVec3f(0, 0, 0)), 4000), false);
mod.get<SPK::PointMass>()->setMass(200000);
mod2 = group.createModifier(ofxSPK::Modifier::POINT_MASS);
mod2.setZone(SPK::Sphere::create(ofxSPK::toSPK(ofVec3f(0, 0, 0)), 800), false);
mod2.get<SPK::PointMass>()->setMass(-300000);
}
//--------------------------------------------------------------
void testApp::draw()
{
ofEnableBlendMode(OF_BLENDMODE_ADD);
cam.begin();
ofEnableAlphaBlending();
sys.draw();
em.draw();
mod.draw();
mod2.draw();
cam.end();
}
