sound – ページ 3 – プログラミング de 落描き

2019年1月18日2019年1月18日

Music Band. openFrameworks

[ Video ]

[ About ]
音と連動して帯が変化。え ͤみ ͫ ͤー ͤん ͛(@emeen231)さんの投稿からインスパイア

[Sound] Band changes with music.

[ 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	ofSoundPlayer sound;

	vector<float> fft_smoothed;
	int n_bands_to_get;

	glm::vec3 make_point(float radius, float small_radius, float deg, float small_deg);
};

#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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofSoundPlayer sound;

vector<float> fft_smoothed;

int n_bands_to_get;

glm::vec3 make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofNoFill();
	ofSetLineWidth(2.5);

	this->sound.load("Cold_Killa_Sting.mp3");
	this->sound.play();

	this->n_bands_to_get = 60;
	for (int j = 0; j < this->n_bands_to_get; j++) {
	
		this->fft_smoothed.push_back(0);
	}
}

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

	ofSoundUpdate();
	float* val = ofSoundGetSpectrum(this->n_bands_to_get);
	for (int i = 0; i < this->n_bands_to_get; i++) {

		this->fft_smoothed[i] *= 0.98f;
		if (this->fft_smoothed[i] < val[i]) {

			this->fft_smoothed[i] = val[i];
		}
	}
}

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

	this->cam.begin();

	int radius = 300;
	int deg_span = 10;
	int sound_index = 0;
	for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

		int deg = deg_start;
		vector<glm::vec3> vertices;
		vector<glm::vec3> sub_vertices;
		int max_height = this->fft_smoothed[sound_index++] * 150 * (sound_index + 1);
		for (int height = 0; height < max_height; height += 10) {

			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), height, radius * sin(deg * DEG_TO_RAD)));
			sub_vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height, radius * sin((deg + deg_span) * DEG_TO_RAD)));
			deg += 5;
		}

		for (int i = sub_vertices.size() - 1; i > -1; i--) {

			vertices.push_back(sub_vertices[i]);
		}

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}

	this->cam.end();

	if (!this->sound.getIsPlaying()) { this->sound.play(); }
}
//--------------------------------------------------------------
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

ofNoFill();

ofSetLineWidth(2.5);

this->sound.load("Cold_Killa_Sting.mp3");

this->sound.play();

this->n_bands_to_get = 60;

for (int j = 0; j < this->n_bands_to_get; j++) {

this->fft_smoothed.push_back(0);

}

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

void ofApp::update() {

ofSoundUpdate();

float* val = ofSoundGetSpectrum(this->n_bands_to_get);

for (int i = 0; i < this->n_bands_to_get; i++) {

this->fft_smoothed[i] *= 0.98f;

if (this->fft_smoothed[i] < val[i]) {

this->fft_smoothed[i] = val[i];

}

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

void ofApp::draw() {

this->cam.begin();

int radius = 300;

int deg_span = 10;

int sound_index = 0;

for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

int deg = deg_start;

vector<glm::vec3> vertices;

vector<glm::vec3> sub_vertices;

int max_height = this->fft_smoothed[sound_index++] * 150 * (sound_index + 1);

for (int height = 0; height < max_height; height += 10) {

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), height, radius * sin(deg * DEG_TO_RAD)));

sub_vertices.push_back(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height, radius * sin((deg + deg_span) * DEG_TO_RAD)));

deg += 5;

}

for (int i = sub_vertices.size() - 1; i > -1; i--) {

vertices.push_back(sub_vertices[i]);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

if (!this->sound.getIsPlaying()) { this->sound.play(); }

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190118

2018年8月15日2018年8月15日

Color & Sound. openFrameworks

[ Video ]

[ About ]
パーリンノイズにX座標とフレーム番号を引数に与えて四角の色を変化。色の変化をきっかけに音が鳴るようにしました。

Change the color of the square by Perlin noise. I made the sound to sound as the trigger of color change.

[ 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	vector<ofSoundPlayer> sounds;
	vector<ofColor> sound_color;
};

#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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<ofSoundPlayer> sounds;

vector<ofColor> sound_color;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(3);

	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);

		ofColor color;
		color.setHsb(i * 35, 255, 230);
		this->sound_color.push_back(color);
	}
}

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

	ofSoundUpdate();
}

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

	int span = 144;
	for (int x = 0; x < ofGetWidth(); x += span) {

		int noise_value = ofMap(ofNoise(x * 0.0005 + ofGetFrameNum() * 0.008), 0, 1, 0, this->sounds.size());
		int next_noise_value = ofMap(ofNoise(x * 0.0005 + (ofGetFrameNum() + 1) * 0.008), 0, 1, 0, this->sounds.size());

		ofFill();
		ofSetColor(this->sound_color[next_noise_value]);
		ofDrawRectangle(x, 0, x + span, ofGetHeight());

		ofNoFill();
		ofSetColor(239);
		ofDrawRectangle(x, 0, x + span, ofGetHeight());

		if (noise_value != next_noise_value) {

			this->sounds[next_noise_value].play();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(3);

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);

ofColor color;

color.setHsb(i * 35, 255, 230);

this->sound_color.push_back(color);

}

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

void ofApp::update() {

ofSoundUpdate();

}

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

void ofApp::draw() {

int span = 144;

for (int x = 0; x < ofGetWidth(); x += span) {

int noise_value = ofMap(ofNoise(x * 0.0005 + ofGetFrameNum() * 0.008), 0, 1, 0, this->sounds.size());

int next_noise_value = ofMap(ofNoise(x * 0.0005 + (ofGetFrameNum() + 1) * 0.008), 0, 1, 0, this->sounds.size());

ofFill();

ofSetColor(this->sound_color[next_noise_value]);

ofDrawRectangle(x, 0, x + span, ofGetHeight());

ofNoFill();

ofSetColor(239);

ofDrawRectangle(x, 0, x + span, ofGetHeight());

if (noise_value != next_noise_value) {

this->sounds[next_noise_value].play();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180815

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

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