プログラミング de 落描き – ページ 777 – 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10月14日2018年10月16日

Random walk on circle. openFrameworks

[ Video ]

[ About ]
本日の日替わりメニュー　円(4個入)

Random walk on circle.

[ Source ]

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

	ofEasyCam cam;
	vector<Particle> particles;
};

#pragma once

#include "ofMain.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) {};

ofEasyCam cam;

vector<Particle> particles;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239);

	for (int i = 0; i < 80 * 4; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Particle& particle : particles) { particle.Upate(); }
}

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

	vector<ofPoint> locations;
	locations.push_back(ofPoint(-350, -350));
	locations.push_back(ofPoint(-350, 350));
	locations.push_back(ofPoint(350, -350));
	locations.push_back(ofPoint(350, 350));

	this->cam.begin();

	int count = 0;
	for (Particle& particle : particles){
		
		ofPushMatrix();
		ofTranslate(locations[count++ / 80]);

		particle.Draw();

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(239);

for (int i = 0; i < 80 * 4; i++) { this->particles.push_back(Particle()); }

}

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

void ofApp::update() {

for (Particle& particle : particles) { particle.Upate(); }

}

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

void ofApp::draw() {

vector<ofPoint> locations;

locations.push_back(ofPoint(-350, -350));

locations.push_back(ofPoint(-350, 350));

locations.push_back(ofPoint(350, -350));

locations.push_back(ofPoint(350, 350));

this->cam.begin();

int count = 0;

for (Particle& particle : particles){

ofPushMatrix();

ofTranslate(locations[count++ / 80]);

particle.Draw();

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle();
	~Particle();
	void Upate();
	void Draw();

private:

	float radius;
	float deg;
	ofPoint direction;

	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

float radius;

float deg;

ofPoint direction;

std::deque<ofPoint> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle() {

	this->radius = (int)(ofRandom(160, 300) / 20) * 20;
	this->deg = (int)(ofRandom(360) / 10) * 10;
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	if (ofGetFrameNum() % 20 == 0) {

		ofPoint directions[4];
		directions[0] = ofPoint(1, 0);
		directions[1] = ofPoint(-1, 0);
		directions[2] = ofPoint(0, 2);
		directions[3] = ofPoint(0, -2);

		if (this->radius <= 160) {

			directions[3] = directions[2];
		}
		else if (this->radius >= 300) {

			directions[2] = directions[3];
		}

		this->direction = directions[(int)ofRandom(4)];
	}

	this->deg += this->direction.x;
	this->radius += this->direction.y;

	ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
	this->logs.push_front(point);
	while (this->logs.size() > 45) { this->logs.pop_back(); }
}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	ofDrawCircle(this->logs.front(), 5);

	ofNoFill();
	ofBeginShape();
	for (ofPoint& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

#include "Particle.h"

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

Particle::Particle() {

this->radius = (int)(ofRandom(160, 300) / 20) * 20;

this->deg = (int)(ofRandom(360) / 10) * 10;

}

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

Particle::~Particle() {

}

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

void Particle::Upate() {

if (ofGetFrameNum() % 20 == 0) {

ofPoint directions[4];

directions[0] = ofPoint(1, 0);

directions[1] = ofPoint(-1, 0);

directions[2] = ofPoint(0, 2);

directions[3] = ofPoint(0, -2);

if (this->radius <= 160) {

directions[3] = directions[2];

}

else if (this->radius >= 300) {

directions[2] = directions[3];

}

this->direction = directions[(int)ofRandom(4)];

}

this->deg += this->direction.x;

this->radius += this->direction.y;

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->logs.push_front(point);

while (this->logs.size() > 45) { this->logs.pop_back(); }

}

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

void Particle::Draw() {

ofFill();

ofDrawCircle(this->logs.front(), 5);

ofNoFill();

ofBeginShape();

for (ofPoint& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181014

2018年10月13日2018年10月16日

Random walk on cylinder. openFrameworks

[ Video ]

[ About ]
本日の日替わりメニュー　円柱(愛知県産)

Random walk on cylinder.

[ Source ]

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

	ofEasyCam cam;
	vector<Particle> particles;
};

#pragma once

#include "ofMain.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) {};

ofEasyCam cam;

vector<Particle> particles;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();

	for (int i = 0; i < 512; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Particle& particle : particles) { particle.Upate(); }
}

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

	this->cam.begin();

	for (Particle& particle : particles) { particle.Draw(); }

	this->cam.end();
}

//--------------------------------------------------------------
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();

for (int i = 0; i < 512; i++) { this->particles.push_back(Particle()); }

}

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

void ofApp::update() {

for (Particle& particle : particles) { particle.Upate(); }

}

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

void ofApp::draw() {

this->cam.begin();

for (Particle& particle : particles) { particle.Draw(); }

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle();
	~Particle();
	void Upate();
	void Draw();

private:

	float radius;
	float deg;
	float z;

	float deg_step;
	float z_step;

	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

float radius;

float deg;

float z;

float deg_step;

float z_step;

std::deque<ofPoint> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle() {

	this->radius = 300;
	this->deg = (int)(ofRandom(360) / 10) * 10;
	this->z = (int)(ofRandom(600) / 20) * 20 - 300;
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	if (ofGetFrameNum() % 20 == 0) {

		int r = ofRandom(4);
		switch (r) {
		case 0:

			this->deg_step = 0.5;
			this->z_step = 0.0;
			break;
		case 1:

			this->deg_step = -0.5;
			this->z_step = 0.0;
			break;
		case 2:

			this->deg_step = 0.0;
			this->z_step = 1.0;
			break;
		case 3:

			this->deg_step = 0.0;
			this->z_step = -1.0;
			break;
		default:

			this->deg_step = 0.0;
			this->z_step = 0.0;
			break;
		}
	}

	if (this->z <= -300) {
		
		this->deg_step = 0.0;
		this->z_step = 1.0;
	}
	else if (this->z >= 300) {
		
		this->deg_step = 0.0;
		this->z_step = -1.0;
	}

	this->deg += this->deg_step;
	this->z += this->z_step;

	ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
	this->logs.push_front(point);
	while (this->logs.size() > 45) { this->logs.pop_back(); }
}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	ofDrawSphere(this->logs.front(), 3);

	ofNoFill();
	ofBeginShape();
	for (ofPoint& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

#include "Particle.h"

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

Particle::Particle() {

this->radius = 300;

this->deg = (int)(ofRandom(360) / 10) * 10;

this->z = (int)(ofRandom(600) / 20) * 20 - 300;

}

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

Particle::~Particle() {

}

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

void Particle::Upate() {

if (ofGetFrameNum() % 20 == 0) {

int r = ofRandom(4);

switch (r) {

case 0:

this->deg_step = 0.5;

this->z_step = 0.0;

break;

case 1:

this->deg_step = -0.5;

this->z_step = 0.0;

break;

case 2:

this->deg_step = 0.0;

this->z_step = 1.0;

break;

case 3:

this->deg_step = 0.0;

this->z_step = -1.0;

break;

default:

this->deg_step = 0.0;

this->z_step = 0.0;

break;

}

if (this->z <= -300) {

this->deg_step = 0.0;

this->z_step = 1.0;

}

else if (this->z >= 300) {

this->deg_step = 0.0;

this->z_step = -1.0;

}

this->deg += this->deg_step;

this->z += this->z_step;

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

this->logs.push_front(point);

while (this->logs.size() > 45) { this->logs.pop_back(); }

}

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

void Particle::Draw() {

ofFill();

ofDrawSphere(this->logs.front(), 3);

ofNoFill();

ofBeginShape();

for (ofPoint& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181013

2018年10月12日2018年10月16日

Random walk on torus. openFrameworks

[ Video ]

[ About ]
ドーナッツの上をランダムウォーク

Random walk on torus.

[ Source ]

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

	ofEasyCam cam;
	vector<Particle> particles;
};

#pragma once

#include "ofMain.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) {};

ofEasyCam cam;

vector<Particle> particles;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();

	for (int i = 0; i < 512; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Particle& particle : particles) { particle.Upate(); }
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum());

	for (Particle& particle : particles) { particle.Draw(); }

	this->cam.end();
}

//--------------------------------------------------------------
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();

for (int i = 0; i < 512; i++) { this->particles.push_back(Particle()); }

}

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

void ofApp::update() {

for (Particle& particle : particles) { particle.Upate(); }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

for (Particle& particle : particles) { particle.Draw(); }

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle();
	~Particle();
	void Upate();
	void Draw();
	
private:

	ofPoint make_point();

	float radius;
	float deg;
	float small_radius;
	float small_deg;

	float deg_step;
	float small_deg_step;

	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

ofPoint make_point();

float radius;

float deg;

float small_radius;

float small_deg;

float deg_step;

float small_deg_step;

std::deque<ofPoint> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle() {
	
	this->radius = 300;
	this->deg = (int)(ofRandom(360) / 10) * 10;
	this->small_radius = 80;
	this->small_deg = (int)(ofRandom(360) / 20) * 20;
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	if (ofGetFrameNum() % 20 == 0) {

		int r = ofRandom(4);
		switch (r) {
		case 0:

			this->deg_step = 0.5;
			this->small_deg_step = 0.0;
			break;
		case 1:

			this->deg_step = -0.5;
			this->small_deg_step = 0.0;
			break;
		case 2:

			this->deg_step = 0.0;
			this->small_deg_step = 1.0;
			break;
		case 3:

			this->deg_step = 0.0;
			this->small_deg_step = -1.0;
			break;
		default:

			this->deg_step = 0.0;
			this->small_deg_step = 0.0;
			break;
		}
	}

	this->deg += this->deg_step;
	this->small_deg += this->small_deg_step;

	ofPoint point = this->make_point();
	this->logs.push_front(point);
	while (this->logs.size() > 45) { this->logs.pop_back(); }

}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	ofDrawSphere(this->logs.front(), 3);

	ofNoFill();
	ofBeginShape();
	for (ofPoint& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

//--------------------------------------------------------------
ofPoint Particle::make_point() {

	float x_1 = this->radius * cos(this->deg * DEG_TO_RAD);
	float y_1 = this->radius * sin(this->deg * DEG_TO_RAD);

	float x_2 = this->small_radius * cos(this->small_deg * DEG_TO_RAD) * cos(this->deg * DEG_TO_RAD);
	float y_2 = this->small_radius * cos(this->small_deg * DEG_TO_RAD) * sin(this->deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = this->small_radius * sin(this->small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

#include "Particle.h"

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

Particle::Particle() {

this->radius = 300;

this->deg = (int)(ofRandom(360) / 10) * 10;

this->small_radius = 80;

this->small_deg = (int)(ofRandom(360) / 20) * 20;

}

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

Particle::~Particle() {

}

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

void Particle::Upate() {

if (ofGetFrameNum() % 20 == 0) {

int r = ofRandom(4);

switch (r) {

case 0:

this->deg_step = 0.5;

this->small_deg_step = 0.0;

break;

case 1:

this->deg_step = -0.5;

this->small_deg_step = 0.0;

break;

case 2:

this->deg_step = 0.0;

this->small_deg_step = 1.0;

break;

case 3:

this->deg_step = 0.0;

this->small_deg_step = -1.0;

break;

default:

this->deg_step = 0.0;

this->small_deg_step = 0.0;

break;

}

this->deg += this->deg_step;

this->small_deg += this->small_deg_step;

ofPoint point = this->make_point();

this->logs.push_front(point);

while (this->logs.size() > 45) { this->logs.pop_back(); }

}

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

void Particle::Draw() {

ofFill();

ofDrawSphere(this->logs.front(), 3);

ofNoFill();

ofBeginShape();

for (ofPoint& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

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

ofPoint Particle::make_point() {

float x_1 = this->radius * cos(this->deg * DEG_TO_RAD);

float y_1 = this->radius * sin(this->deg * DEG_TO_RAD);

float x_2 = this->small_radius * cos(this->small_deg * DEG_TO_RAD) * cos(this->deg * DEG_TO_RAD);

float y_2 = this->small_radius * cos(this->small_deg * DEG_TO_RAD) * sin(this->deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = this->small_radius * sin(this->small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

[ Link ]
https://github.com/junkiyoshi/Insta20181012

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