プログラミング de 落描き – ページ 746 – 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

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年10月11日2018年10月16日

Random walk on cube ( success ) openFrameworks

[ Video ]

[ About ]
立方体の面上に留まって頂く事に成功しました

Random walk on cube ( Success )

[ 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);
	ofEnableDepthTest();

	for (int i = 0; i < 255; i++) { this->particles.push_back(Particle()); }
}
//--------------------------------------------------------------
void ofApp::update() {

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

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);

	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(39);

ofSetColor(239);

ofEnableDepthTest();

for (int i = 0; i < 255; i++) { this->particles.push_back(Particle()); }

}

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

void ofApp::update() {

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

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:

	int depth;

	ofPoint location;
	ofPoint direction;
	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

int depth;

ofPoint location;

ofPoint direction;

std::deque<ofPoint> logs;

};

#include "Particle.h"

Particle::Particle() {

	this->depth = ofGetWidth() > ofGetHeight() ? ofGetWidth() : ofGetHeight();

	int x, y, z;
	int start_surface = ofRandom(6);
	switch (start_surface) 
	{
	case 0:
		// 正面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = this->depth;
		break;
	case 1: 
		// 背面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = 0;
		break;
	case 2: 
		// 上面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = ofGetHeight();
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 3: 
		// 底面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = 0;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 4: 
		// 右面
		x = ofGetWidth();
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 5: 
		// 左面
		x = 0;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	}

	this->location = ofPoint(x, y, z);
}

Particle::~Particle() {

}

void Particle::Upate() {

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

		ofPoint directions[6];
		directions[0] = ofPoint(1, 0, 0);
		directions[1] = ofPoint(-1, 0, 0);
		directions[2] = ofPoint(0, 1, 0);
		directions[3] = ofPoint(0, -1, 0);
		directions[4] = ofPoint(0, 0, 1);
		directions[5] = ofPoint(0, 0, -1);

		if (this->location.x == 0 || this->location.x == ofGetWidth()) {

			if (this->location.y == 0 || this->location.y == ofGetHeight() || this->location.z == 0 || this->location.z == this->depth) {

				this->location.x == ofGetWidth() ? directions[0] = directions[1] : directions[1] = directions[0];
			}
			else {

				directions[0] = this->direction;
				directions[1] = this->direction;
			}
		}

		if (this->location.y == 0 || this->location.y == ofGetHeight()) {

			if (this->location.x == 0 || this->location.x == ofGetWidth() || this->location.z == 0 || this->location.z == this->depth) {

				this->location.y == ofGetHeight() ? directions[2] = directions[3] : directions[3] = directions[2];
			}
			else {

				directions[2] = this->direction;
				directions[3] = this->direction;
			}
		}

		if (this->location.z == 0 || this->location.z == this->depth) {

			if (this->location.x == 0 || this->location.x == ofGetWidth() || this->location.y == 0 || this->location.y == ofGetHeight()) {

				this->location.z == this->depth ? directions[4] = directions[5] : directions[5] = directions[4];
			}
			else {

				directions[4] = this->direction;
				directions[5] = this->direction;
			}
		}

		int r = ofRandom(6);
		this->direction = directions[r];
	}

	this->location += this->direction * 2;

	this->logs.push_front(location - ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5, this->depth * 0.5));
	while (this->logs.size() > 100) { this->logs.pop_back(); }
}

void Particle::Draw() {

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

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

		ofVertex(log);
	}
	ofEndShape();
}

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#include "Particle.h"

Particle::Particle() {

this->depth = ofGetWidth() > ofGetHeight() ? ofGetWidth() : ofGetHeight();

int x, y, z;

int start_surface = ofRandom(6);

switch (start_surface)

{

case 0:

// 正面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = this->depth;

break;

case 1:

// 背面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = 0;

break;

case 2:

// 上面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = ofGetHeight();

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 3:

// 底面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = 0;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 4:

// 右面

x = ofGetWidth();

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 5:

// 左面

x = 0;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

}

this->location = ofPoint(x, y, z);

}

Particle::~Particle() {

}

void Particle::Upate() {

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

ofPoint directions[6];

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

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

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

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

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

directions[5] = ofPoint(0, 0, -1);

if (this->location.x == 0 || this->location.x == ofGetWidth()) {

if (this->location.y == 0 || this->location.y == ofGetHeight() || this->location.z == 0 || this->location.z == this->depth) {

this->location.x == ofGetWidth() ? directions[0] = directions[1] : directions[1] = directions[0];

}

else {

directions[0] = this->direction;

directions[1] = this->direction;

}

if (this->location.y == 0 || this->location.y == ofGetHeight()) {

if (this->location.x == 0 || this->location.x == ofGetWidth() || this->location.z == 0 || this->location.z == this->depth) {

this->location.y == ofGetHeight() ? directions[2] = directions[3] : directions[3] = directions[2];

}

else {

directions[2] = this->direction;

directions[3] = this->direction;

}

if (this->location.z == 0 || this->location.z == this->depth) {

if (this->location.x == 0 || this->location.x == ofGetWidth() || this->location.y == 0 || this->location.y == ofGetHeight()) {

this->location.z == this->depth ? directions[4] = directions[5] : directions[5] = directions[4];

}

else {

directions[4] = this->direction;

directions[5] = this->direction;

}

int r = ofRandom(6);

this->direction = directions[r];

}

this->location += this->direction * 2;

this->logs.push_front(location - ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5, this->depth * 0.5));

while (this->logs.size() > 100) { 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/Insta20181011

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年10月10日2018年10月16日

Random walk on cube ( mistake ). openFrameworks

[ Video ]

[ About ]
立方体を這う形にしたかったのですが、大部分が逃げて行ってしまいました

Random walk on cube ( mistake ).

[ 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() * 0.25);

	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() * 0.25);

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:

	int depth;

	ofPoint location;
	ofPoint direction;
	ofPoint directions[6];
	std::deque<ofPoint> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle();

~Particle();

void Upate();

void Draw();

private:

int depth;

ofPoint location;

ofPoint direction;

ofPoint directions[6];

std::deque<ofPoint> logs;

};

#include "Particle.h"

Particle::Particle() {

	this->depth = ofGetWidth() > ofGetHeight() ? ofGetWidth() : ofGetHeight();

	int x, y, z;
	int start_surface = ofRandom(6);
	switch (start_surface) 
	{
	case 0:
		// 正面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = this->depth;
		break;
	case 1: 
		// 背面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = 0;
		break;
	case 2: 
		// 上面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = ofGetHeight();
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 3: 
		// 底面
		x = (int)(ofRandom(ofGetWidth()) / 40) * 40;
		y = 0;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 4: 
		// 右面
		x = ofGetWidth();
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	case 5: 
		// 左面
		x = 0;
		y = (int)(ofRandom(ofGetHeight()) / 40) * 40;
		z = (int)(ofRandom(this->depth) / 40) * 40;
		break;
	}

	this->location = ofPoint(x, y, z);

	this->direction = ofPoint();
	this->directions[0] = ofPoint(1, 0, 0);
	this->directions[1] = ofPoint(-1, 0, 0);
	this->directions[2] = ofPoint(0, 1, 0);
	this->directions[3] = ofPoint(0, -1, 0);
	this->directions[4] = ofPoint(0, 0, 1);
	this->directions[5] = ofPoint(0, 0, -1);
}

Particle::~Particle() {

}

void Particle::Upate() {

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

		std::vector<ofPoint> select_directions;
		if (this->location.z == 0 || this->location.z == this->depth){

			select_directions.push_back(this->directions[0]);
			select_directions.push_back(this->directions[1]);
			select_directions.push_back(this->directions[2]);
			select_directions.push_back(this->directions[3]);
		}

		if (this->location.y == 0 || this->location.y == ofGetHeight()) {

			select_directions.push_back(this->directions[0]);
			select_directions.push_back(this->directions[1]);
			select_directions.push_back(this->directions[4]);
			select_directions.push_back(this->directions[5]);
		}

		if (this->location.x == 0 || this->location.x == ofGetWidth()) {

			select_directions.push_back(this->directions[2]);
			select_directions.push_back(this->directions[3]);
			select_directions.push_back(this->directions[4]);
			select_directions.push_back(this->directions[5]);
		}	

		if (select_directions.size() > 0) {

			int r = ofRandom(select_directions.size());
			this->direction = select_directions[r];
		}
		else {

			this->direction = ofPoint();
		}
	}

	this->location += this->direction * 2;

	this->logs.push_front(location - ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5, this->depth * 0.5));
	while (this->logs.size() > 100) { this->logs.pop_back(); }
}

void Particle::Draw() {

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

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

		ofVertex(log);
	}
	ofEndShape();
}

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#include "Particle.h"

Particle::Particle() {

this->depth = ofGetWidth() > ofGetHeight() ? ofGetWidth() : ofGetHeight();

int x, y, z;

int start_surface = ofRandom(6);

switch (start_surface)

{

case 0:

// 正面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = this->depth;

break;

case 1:

// 背面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = 0;

break;

case 2:

// 上面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = ofGetHeight();

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 3:

// 底面

x = (int)(ofRandom(ofGetWidth()) / 40) * 40;

y = 0;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 4:

// 右面

x = ofGetWidth();

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

case 5:

// 左面

x = 0;

y = (int)(ofRandom(ofGetHeight()) / 40) * 40;

z = (int)(ofRandom(this->depth) / 40) * 40;

break;

}

this->location = ofPoint(x, y, z);

this->direction = ofPoint();

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

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

this->directions[2] = ofPoint(0, 1, 0);

this->directions[3] = ofPoint(0, -1, 0);

this->directions[4] = ofPoint(0, 0, 1);

this->directions[5] = ofPoint(0, 0, -1);

}

Particle::~Particle() {

}

void Particle::Upate() {

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

std::vector<ofPoint> select_directions;

if (this->location.z == 0 || this->location.z == this->depth){

select_directions.push_back(this->directions[0]);

select_directions.push_back(this->directions[1]);

select_directions.push_back(this->directions[2]);

select_directions.push_back(this->directions[3]);

}

if (this->location.y == 0 || this->location.y == ofGetHeight()) {

select_directions.push_back(this->directions[0]);

select_directions.push_back(this->directions[1]);

select_directions.push_back(this->directions[4]);

select_directions.push_back(this->directions[5]);

}

if (this->location.x == 0 || this->location.x == ofGetWidth()) {

select_directions.push_back(this->directions[2]);

select_directions.push_back(this->directions[3]);

select_directions.push_back(this->directions[4]);

select_directions.push_back(this->directions[5]);

}

if (select_directions.size() > 0) {

int r = ofRandom(select_directions.size());

this->direction = select_directions[r];

}

else {

this->direction = ofPoint();

}

this->location += this->direction * 2;

this->logs.push_front(location - ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5, this->depth * 0.5));

while (this->logs.size() > 100) { this->logs.pop_back(); }

}

void Particle::Draw() {

ofFill();

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

ofNoFill();

ofBeginShape();

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

ofVertex(log);

}

ofEndShape();

}

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