プログラミング de 落描き – ページ 883 – クリエイティブ・コーディングによる生成物とソース

2018年8月13日2018年8月13日

Particle Sound System. openFrameworks

[ Video ]

[ About ]
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.

[ Source ]

#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 };

#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 };

#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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#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());

}

#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;
};

#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;

};

#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; }

#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; }

[ Link ]
https://github.com/junkiyoshi/Insta20180813

2018年8月12日

Piano play by LEAP Motion. openFrameworks

[ Video ]

[ About ]
久々にLeap Motionを引っぱり出してきました。指の加速度を使ってピアノ演奏(もどき)

Piano Play by LEAP Motion.

[ Source ]

#pragma once
#include "ofMain.h"

// Leap Motion SDK
#include "Leap.h"
#pragma comment(lib, "Leap.lib")

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) {};

	// Leap Motion
	Leap::Controller leap;

	vector<ofSoundPlayer> sounds;
	vector<float> waves;
};

#pragma once

#include "ofMain.h"

// Leap Motion SDK

#include "Leap.h"

#pragma comment(lib, "Leap.lib")

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) {};

// Leap Motion

Leap::Controller leap;

vector<ofSoundPlayer> sounds;

vector<float> waves;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("Insta");

	ofSetColor(239);
	ofBackground(39);
	ofNoFill();
	ofSetCircleResolution(36);

	string sound_path_list[] = { "sound/pianoC2.mp3", "sound/pianoB.mp3", "sound/pianoA.mp3", "sound/pianoG.mp3", "sound/pianoF.mp3", "sound/pianoE.mp3", "sound/pianoD.mp3","sound/pianoC.mp3" };
	for (int i = 0; i < 8; i++) {

		ofSoundPlayer sound;
		sound.load(sound_path_list[i]);
		sound.setVolume(0.2);
		sound.setMultiPlay(true);

		this->sounds.push_back(sound);
	}
}

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

	Leap::Frame frame = leap.frame();
	for (Leap::Hand hand : frame.hands()) {

		for (Leap::Finger finger : hand.fingers()) {

			ofVec2f velocity = ofVec2f(finger.tipVelocity().x, -finger.tipVelocity().y);
			if (velocity.length() > 512) {

				this->sounds[ofGetFrameNum() % 8].play();
				this->waves.push_back(0);
			}
		}
	}

	for (int i = this->waves.size() - 1; i >= 0; i--) {

		this->waves[i] += 5;
		if (this->waves[i] > 250) {

			this->waves.erase(this->waves.begin() + i);
		}
	}

	ofSoundUpdate();
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	for (int i = 0; i < this->waves.size(); i++) {

		ofSetColor(239, ofMap(this->waves[i], 0, 250, 255, 0));
		ofDrawCircle(ofPoint(), this->waves[i]);
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("Insta");

ofSetColor(239);

ofBackground(39);

ofNoFill();

ofSetCircleResolution(36);

string sound_path_list[] = { "sound/pianoC2.mp3", "sound/pianoB.mp3", "sound/pianoA.mp3", "sound/pianoG.mp3", "sound/pianoF.mp3", "sound/pianoE.mp3", "sound/pianoD.mp3","sound/pianoC.mp3" };

for (int i = 0; i < 8; i++) {

ofSoundPlayer sound;

sound.load(sound_path_list[i]);

sound.setVolume(0.2);

sound.setMultiPlay(true);

this->sounds.push_back(sound);

}

//--------------------------------------------------------------

void ofApp::update() {

Leap::Frame frame = leap.frame();

for (Leap::Hand hand : frame.hands()) {

for (Leap::Finger finger : hand.fingers()) {

ofVec2f velocity = ofVec2f(finger.tipVelocity().x, -finger.tipVelocity().y);

if (velocity.length() > 512) {

this->sounds[ofGetFrameNum() % 8].play();

this->waves.push_back(0);

}

for (int i = this->waves.size() - 1; i >= 0; i--) {

this->waves[i] += 5;

if (this->waves[i] > 250) {

this->waves.erase(this->waves.begin() + i);

}

ofSoundUpdate();

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int i = 0; i < this->waves.size(); i++) {

ofSetColor(239, ofMap(this->waves[i], 0, 250, 255, 0));

ofDrawCircle(ofPoint(), this->waves[i]);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180812

2018年8月11日

Sound And Circle. openframeworks

[ Video ]

[ About ]
円の移動に音をつけてみたやつ。

Sound And Circle.

[ Source ]

#pragma once
#include "ofMain.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) {};

	vector<ofSoundPlayer> sounds;
};

#pragma once

#include "ofMain.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) {};

vector<ofSoundPlayer> sounds;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("Insta");

	ofSetColor(239);
	ofBackground(39);
	ofSetLineWidth(3);
	ofNoFill();

	string sound_path_list[] = { "sound/pianoC2.mp3", "sound/pianoB.mp3", "sound/pianoA.mp3", "sound/pianoG.mp3", "sound/pianoF.mp3", "sound/pianoE.mp3", "sound/pianoD.mp3","sound/pianoC.mp3" };
	for (int i = 0; i < 8; i++) {

		ofSoundPlayer sound;
		sound.load(sound_path_list[i]);
		sound.setVolume(0.2);
		sound.setMultiPlay(true);

		this->sounds.push_back(sound);
	}
}

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

	ofSoundUpdate();
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (int i = 0; i < 16; i++) {

		int radius = (i + 1) * 20;
		int deg_param = (ofGetFrameNum() * 0.25) * (i + 1);

		ofBeginShape();
		for (int deg = deg_param - 30; deg <= deg_param + 30; deg++) {
		
			ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		}
		ofEndShape(false);

		if (deg_param % 360 == 0) {

			this->sounds[i % 8].play();
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofSetColor(239);

ofBackground(39);

ofSetLineWidth(3);

ofNoFill();

string sound_path_list[] = { "sound/pianoC2.mp3", "sound/pianoB.mp3", "sound/pianoA.mp3", "sound/pianoG.mp3", "sound/pianoF.mp3", "sound/pianoE.mp3", "sound/pianoD.mp3","sound/pianoC.mp3" };

for (int i = 0; i < 8; i++) {

ofSoundPlayer sound;

sound.load(sound_path_list[i]);

sound.setVolume(0.2);

sound.setMultiPlay(true);

this->sounds.push_back(sound);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSoundUpdate();

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int i = 0; i < 16; i++) {

int radius = (i + 1) * 20;

int deg_param = (ofGetFrameNum() * 0.25) * (i + 1);

ofBeginShape();

for (int deg = deg_param - 30; deg <= deg_param + 30; deg++) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(false);

if (deg_param % 360 == 0) {

this->sounds[i % 8].play();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180811

2025年11月
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