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560日前にProcessing + Box2dで作ったやつをopenFrameworks + ofxBox2dでサウンド付きでリメイク
I made this work using Processing and JBox2D 560 days ago. I added a sound and remade it using openFrameworks and ofxBox2d.
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#pragma once #include "ofMain.h" #include "ofxBox2d.h" #include "Particle.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; void contactStart(ofxBox2dContactArgs &e); void contactEnd(ofxBox2dContactArgs &e); ofxBox2d box2d; vector<unique_ptr<Particle>> particles; vector<tuple<ofPoint, ofColor, float>> waves; }; enum WaveFileds{ Point, Color, Life }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofBackground(239); ofSetLineWidth(3); ofSetCircleResolution(72); this->box2d.init(); this->box2d.enableEvents(); this->box2d.setGravity(0, 10); this->box2d.createBounds(); this->box2d.setFPS(60); this->box2d.registerGrabbing(); ofAddListener(box2d.contactStartEvents, this, &ofApp::contactStart); ofAddListener(box2d.contactEndEvents, this, &ofApp::contactEnd); for (int i = 0; i < 3; i++) { unique_ptr<Particle> particle(new Particle(this->box2d, ofPoint(i * 240 + 120, i % 2 == 1 ? ofGetHeight() * 0.4 : ofGetHeight() * 0.6), true)); this->particles.push_back(std::move(particle)); } } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 45 == 0) { unique_ptr<Particle> particle(new Particle(this->box2d, ofPoint(ofRandom(ofGetWidth()), ofGetHeight() * 0.05))); this->particles.push_back(std::move(particle)); } for (int i = this->particles.size() - 1; i >= 0; i--) { this->particles[i]->Update(); if (this->particles[i]->IsDead()) { this->particles.erase(this->particles.begin() + i); } } for (int i = this->waves.size() - 1; i >= 0; i--) { if (get<WaveFileds::Life>(this->waves[i])++ > 120) { this->waves.erase(this->waves.begin() + i); } } this->box2d.update(); ofSoundUpdate(); } //-------------------------------------------------------------- void ofApp::draw() { ofNoFill(); for (int i = 0; i < this->waves.size(); i++) { ofSetColor(get<WaveFileds::Color>(this->waves[i])); ofDrawCircle(get<WaveFileds::Point>(this->waves[i]), get<WaveFileds::Life>(this->waves[i])); } for (int i = 0; i < this->particles.size(); i++) { this->particles[i]->Draw(); } } //-------------------------------------------------------------- void ofApp::contactStart(ofxBox2dContactArgs &e) { if (e.a != NULL && e.b != NULL) { if (e.a->GetType() == b2Shape::e_circle && e.b->GetType() == b2Shape::e_circle) { Particle* p_a = (Particle*)e.a->GetBody()->GetUserData(); Particle* p_b = (Particle*)e.b->GetBody()->GetUserData(); if (p_a != nullptr && p_b != nullptr) { if (p_a->IsObstruct() && p_b->IsObstruct() == false) { p_a->SetColor(p_b->GetColor()); p_b->PlaySound(); tuple<ofPoint, ofColor, float> wave = make_tuple(p_a->GetPoint(), p_b->GetColor(), 80); this->waves.push_back(wave); } if (p_b->IsObstruct() && p_a->IsObstruct() == false) { p_b->SetColor(p_a->GetColor()); p_a->PlaySound(); tuple<ofPoint, ofColor, float> wave = make_tuple(p_b->GetPoint(), p_a->GetColor(), 80); this->waves.push_back(wave); } } return; } } } //-------------------------------------------------------------- void ofApp::contactEnd(ofxBox2dContactArgs &e) { if (e.a != NULL && e.b != NULL) { // do nothing } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
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#pragma once #include "ofMain.h" #include "ofxBox2d.h" class Particle { public: Particle(ofxBox2d& box2d, ofPoint point, bool is_obstruct = false); ~Particle(); void Update(); void Draw(); void PlaySound(); void SetColor(ofColor color); ofColor GetColor(); ofPoint GetPoint(); bool IsObstruct(); bool IsDead(); private: ofxBox2dCircle* circle = nullptr; int sound_type; // 0 - 7 ofSoundPlayer sound; ofColor color; float life; bool is_obstruct; }; |
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#include "Particle.h" Particle::Particle(ofxBox2d& box2d, ofPoint point, bool is_obstruct) { string sound_path_list[] = { "sound/pianoC.mp3", "sound/pianoD.mp3", "sound/pianoE.mp3", "sound/pianoF.mp3", "sound/pianoG.mp3", "sound/pianoA.mp3", "sound/pianoB.mp3", "sound/pianoC2.mp3" }; this->circle = new ofxBox2dCircle(); if (is_obstruct) { this->circle->setPhysics(0.0, 1.0, 1.0); this->circle->setup(box2d.getWorld(), point.x, point.y, 80); this->circle->setData(this); this->sound_type = -1; this->color = ofColor(39); } else { this->circle = new ofxBox2dCircle(); this->circle->setPhysics(1.0, 0.3, 1.0); this->circle->setup(box2d.getWorld(), point.x, point.y, 15); this->circle->setData(this); this->sound_type = ofRandom(8); this->sound.load(sound_path_list[sound_type]); this->sound.setMultiPlay(true); this->sound.setVolume(0.5); this->color.setHsb(ofMap(this->sound_type, 0, 7, 0, 255), 255, 255); } this->life = 255.f; this->is_obstruct = is_obstruct; } Particle::~Particle(){ if (this->circle != nullptr) { this->circle->destroy(); delete this->circle; } } void Particle::Update() { if (this->is_obstruct == false) { this->life -= 1.0; } } void Particle::Draw() { ofFill(); ofSetColor(this->color, this->life > 64 ? 255 : ofMap(this->life, 0, 64, 0, 255)); ofDrawCircle(this->circle->getPosition(), this->circle->getRadius()); if (this->is_obstruct == false) { ofNoFill(); ofSetColor(this->color); ofDrawCircle(this->circle->getPosition(), this->circle->getRadius()); } } void Particle::PlaySound() { if (this->is_obstruct) { return; } this->sound.play(); } void Particle::SetColor(ofColor color) { this->color = color; } ofColor Particle::GetColor() { return this->color; } ofPoint Particle::GetPoint() { return this->circle->getPosition(); } bool Particle::IsObstruct() { return this->is_obstruct; } bool Particle::IsDead() { return this->life < 0 ? true : false; } |