2026年1月 – ページ 3 – プログラミング de 落描き

2026年1月25日

My blog URL.

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[ About ]
ブログのURL.

[ 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) {};

	ofTrueTypeFont font;
	string word;
};

#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) {};

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/msgothic.ttc", 28, true, true, true);
	//this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	this->word = "JUNKIYOSHI.COM ";
	//this->word = "0123456789";
}

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


}

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

	int span = 33;
	for (int y = 2; y < ofGetWindowHeight() + 33; y += span) {

		int x_start = ofMap(ofNoise(y * 0.01 - ofGetFrameNum() * 0.005), 0, 1, 0, 1000);
		for (int i = 0; i < this->word.size() * 2; i++) {

			auto x = (int)(x_start + i * span) % 1000 - 100;
			auto location = glm::vec2(x, y);

			ofPushMatrix();
			ofTranslate(location);

			ofPath chara_path = this->font.getCharacterAsPoints(this->word[i % this->word.size()], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofFill();
			ofSetColor(39, 39, 239);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					ofVertex(vertex);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					ofVertex(vertex);
				}
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 100;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/msgothic.ttc", 28, true, true, true);

//this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

this->word = "JUNKIYOSHI.COM ";

//this->word = "0123456789";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 33;

for (int y = 2; y < ofGetWindowHeight() + 33; y += span) {

int x_start = ofMap(ofNoise(y * 0.01 - ofGetFrameNum() * 0.005), 0, 1, 0, 1000);

for (int i = 0; i < this->word.size() * 2; i++) {

auto x = (int)(x_start + i * span) % 1000 - 100;

auto location = glm::vec2(x, y);

ofPushMatrix();

ofTranslate(location);

ofPath chara_path = this->font.getCharacterAsPoints(this->word[i % this->word.size()], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(39, 39, 239);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofPopMatrix();

}

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 100;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/e21cb3009e92e8eef1af2f7a566eeb88af6247f4

2026年1月24日2026年1月24日

Mutable Form.

[ Video ]

[ About ]
変化する形.

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	this->face.clear();
	this->line.clear();

	float threshold_1 = 0.48;
	float threshold_2 = 0.52;
	float deg_span = 0.25;
	float z_span = 1;

	float noise_span = 0.005;
	float noise_radius = 300;

	for(float radius = 280; radius <= 420; radius += 10){

		for (float deg = 0; deg < 360; deg += deg_span) {

			for (float z = -1024; z < 1024; z += z_span) {

				auto noise_value = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span));
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				auto noise_1 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span));
				auto noise_2 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span));
				auto noise_3 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span));
				auto noise_4 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span));

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

				if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[2]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

					this->line.addVertex(vertices[2]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[1]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

					this->line.addVertex(vertices[1]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);

	this->cam.setPosition(0, 0, 1000);

	ofSetColor(239);
	this->line.draw();

	ofSetColor(39);
	this->face.draw();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 2;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

this->face.clear();

this->line.clear();

float threshold_1 = 0.48;

float threshold_2 = 0.52;

float deg_span = 0.25;

float z_span = 1;

float noise_span = 0.005;

float noise_radius = 300;

for(float radius = 280; radius <= 420; radius += 10){

for (float deg = 0; deg < 360; deg += deg_span) {

for (float z = -1024; z < 1024; z += z_span) {

auto noise_value = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span));

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

auto noise_1 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span));

auto noise_2 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span));

auto noise_3 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span));

auto noise_4 = ofNoise(glm::vec4(radius * 0.003 + ofGetFrameNum() * 0.025, noise_radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span));

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

this->cam.setPosition(0, 0, 1000);

ofSetColor(239);

this->line.draw();

ofSetColor(39);

this->face.draw();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 2;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/5cb38cd5e65b32f607e7b39dda792bf881eb331b

2026年1月23日2026年1月24日

Three layer tonnel.

[ Video ]

[ About ]
３層トンネル。

[ 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;
	ofMesh face, line;
};

#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;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	this->face.clear();
	this->line.clear();

	float threshold_1 = 0.46;
	float threshold_2 = 0.54;
	float deg_span = 0.25;
	float z_span = 1;

	float noise_span = 0.005;
	float noise_radius = 300;

	for(float radius = 280; radius <= 320; radius += 20){

		for (float deg = 0; deg < 360; deg += deg_span) {

			for (float z = -300; z < 4096; z += z_span) {

				auto noise_value = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				auto noise_1 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));
				auto noise_2 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span + ofGetFrameNum() * 0.075));
				auto noise_3 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span + ofGetFrameNum() * 0.075));
				auto noise_4 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));
				vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

				if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[2]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

					this->line.addVertex(vertices[2]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

					this->line.addVertex(vertices[0]);
					this->line.addVertex(vertices[1]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

					this->line.addVertex(vertices[1]);
					this->line.addVertex(vertices[3]);

					this->line.addIndex(this->line.getNumVertices() - 1);
					this->line.addIndex(this->line.getNumVertices() - 2);

				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(180);

	ofSetColor(239);
	this->line.draw();

	ofSetColor(0);
	this->face.draw();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 2;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

auto seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

this->face.clear();

this->line.clear();

float threshold_1 = 0.46;

float threshold_2 = 0.54;

float deg_span = 0.25;

float z_span = 1;

float noise_span = 0.005;

float noise_radius = 300;

for(float radius = 280; radius <= 320; radius += 20){

for (float deg = 0; deg < 360; deg += deg_span) {

for (float z = -300; z < 4096; z += z_span) {

auto noise_value = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

auto noise_1 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos((deg - deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg - deg_span) * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));

auto noise_2 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z + z_span) * noise_span + ofGetFrameNum() * 0.075));

auto noise_3 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos(deg * DEG_TO_RAD) * noise_span, noise_radius * sin(deg * DEG_TO_RAD) * noise_span, (z - z_span) * noise_span + ofGetFrameNum() * 0.075));

auto noise_4 = ofNoise(glm::vec4(radius * 0.0085, noise_radius * cos((deg + deg_span) * DEG_TO_RAD) * noise_span, noise_radius * sin((deg + deg_span) * DEG_TO_RAD) * noise_span, z * noise_span + ofGetFrameNum() * 0.075));

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z - z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), z + z_span * 0.5));

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

if (noise_1 <= threshold_1 || noise_1 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[2]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_2 <= threshold_1 || noise_2 >= threshold_2) {

this->line.addVertex(vertices[2]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_3 <= threshold_1 || noise_3 >= threshold_2) {

this->line.addVertex(vertices[0]);

this->line.addVertex(vertices[1]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

if (noise_4 <= threshold_1 || noise_4 >= threshold_2) {

this->line.addVertex(vertices[1]);

this->line.addVertex(vertices[3]);

this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

ofSetColor(239);

this->line.draw();

ofSetColor(0);

this->face.draw();

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 2;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/28392c2c55562400e9ff10d8bc6901eb48782096

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