プログラミング de 落描き – ページ 72 – クリエイティブ・コーディングによる生成物とソース

2025年4月10日

Hiragana ring.

[ Video ]

[ About ]
ひらがなリング。

[ 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;
	int font_size;
	vector<string> words;

	ofEasyCam cam;
};

#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;

int font_size;

vector<string> words;

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->font_size = 30;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->words = {

		u8"あ", u8"い", u8"う", u8"え", u8"お",
		u8"か", u8"き", u8"く", u8"け", u8"こ",
		u8"さ", u8"し", u8"す", u8"せ", u8"そ",
		u8"た", u8"ち", u8"つ", u8"て", u8"と",
		u8"な", u8"に", u8"ぬ", u8"ね", u8"の",
		u8"は", u8"ひ", u8"ふ", u8"へ", u8"ほ",
		u8"ま", u8"み", u8"む", u8"め", u8"も",
		u8"や", u8"ゆ", u8"よ",
		u8"ら", u8"り", u8"る", u8"れ", u8"ろ",
		u8"わ", u8"を", u8"ん",
	};
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofSetColor(0);
	for (int i = 0; i < 36; i++) {

		auto deg = i * 10;
		auto location = glm::vec3(0, 0, 200);

		ofPushMatrix();
		ofRotateX(deg);
		ofTranslate(location);
		ofRotateZ(90);

		int word_index = (int)ofMap(ofNoise(i * 0.0035 + ofGetFrameNum() * 0.0035), 0, 1, 0, this->words.size() * 3) % this->words.size();
		this->font.drawString(this->words[word_index], this->font_size * -0.65, this->font_size * -0.5);

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 500;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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);

ofEnableDepthTest();

this->font_size = 30;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->words = {

u8"あ", u8"い", u8"う", u8"え", u8"お",

u8"か", u8"き", u8"く", u8"け", u8"こ",

u8"さ", u8"し", u8"す", u8"せ", u8"そ",

u8"た", u8"ち", u8"つ", u8"て", u8"と",

u8"な", u8"に", u8"ぬ", u8"ね", u8"の",

u8"は", u8"ひ", u8"ふ", u8"へ", u8"ほ",

u8"ま", u8"み", u8"む", u8"め", u8"も",

u8"や", u8"ゆ", u8"よ",

u8"ら", u8"り", u8"る", u8"れ", u8"ろ",

u8"わ", u8"を", u8"ん",

};

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(0);

for (int i = 0; i < 36; i++) {

auto deg = i * 10;

auto location = glm::vec3(0, 0, 200);

ofPushMatrix();

ofRotateX(deg);

ofTranslate(location);

ofRotateZ(90);

int word_index = (int)ofMap(ofNoise(i * 0.0035 + ofGetFrameNum() * 0.0035), 0, 1, 0, this->words.size() * 3) % this->words.size();

this->font.drawString(this->words[word_index], this->font_size * -0.65, this->font_size * -0.5);

ofPopMatrix();

}

this->cam.end();

int start = 500;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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/Insta20250410

2025年4月9日

Wire of Yin & Yang.

[ Video ]

[ About ]
陰・陽の線

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	void draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_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 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;

void draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color);

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	
	ofColor color;
	for (int z = 0; z <= 240; z += 30) {

		ofPushMatrix();
		ofTranslate(0, 0, z);

		auto deg = ofMap(ofNoise(z * 0.0008 + ofGetFrameNum() * 0.01), 0, 1, -720, 720);

		ofColor color(ofMap(z, 0, 240, 39, 255));
		this->draw_MAGATAMA(glm::vec2(), 300, deg, ofColor(0, 0), color);

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 500;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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);
		}
	}
	*/
}


//--------------------------------------------------------------
void ofApp::draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color) {

	float len = radius * 0.5522;
	float deg = 0;

	ofPushMatrix();
	ofTranslate(location);
	ofRotate(rotate_deg);

	vector<glm::vec2> vertices;
	vector<pair<glm::vec2, glm::vec2>> handle_list;

	vertices.push_back(glm::vec2(0, 0));
	deg = 180;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius * 0.5, radius * -0.5));
	deg = 90;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(0, radius * -1));
	deg = 0;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius, 0));
	deg = 270;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * cos((deg + 180) * DEG_TO_RAD), len * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(0, radius));
	deg = 0;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius * -0.5, radius * 0.5));
	deg = 90;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	ofSetColor(fill_color);
	ofFill();
	ofBeginShape();
	for (int i = 0; i < vertices.size(); i++) {

		int n = (i + 1) % vertices.size();

		ofVertex(vertices[i]);
		ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);
	}

	ofNextContour(true);
	for (deg = 0; deg <= 360; deg += 5) {

		ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofSetColor(no_fill_color);
	ofNoFill();
	ofBeginShape();
	for (int i = 0; i < vertices.size(); i++) {

		int n = (i + 1) % vertices.size();

		ofVertex(vertices[i]);
		ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);
	}

	ofNextContour(true);
	for (deg = 0; deg <= 360; deg += 5) {

		ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofPopMatrix();
}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofColor color;

for (int z = 0; z <= 240; z += 30) {

ofPushMatrix();

ofTranslate(0, 0, z);

auto deg = ofMap(ofNoise(z * 0.0008 + ofGetFrameNum() * 0.01), 0, 1, -720, 720);

ofColor color(ofMap(z, 0, 240, 39, 255));

this->draw_MAGATAMA(glm::vec2(), 300, deg, ofColor(0, 0), color);

ofPopMatrix();

}

this->cam.end();

int start = 500;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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);

}

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

void ofApp::draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color) {

float len = radius * 0.5522;

float deg = 0;

ofPushMatrix();

ofTranslate(location);

ofRotate(rotate_deg);

vector<glm::vec2> vertices;

vector<pair<glm::vec2, glm::vec2>> handle_list;

vertices.push_back(glm::vec2(0, 0));

deg = 180;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius * 0.5, radius * -0.5));

deg = 90;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(0, radius * -1));

deg = 0;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius, 0));

deg = 270;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * cos((deg + 180) * DEG_TO_RAD), len * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(0, radius));

deg = 0;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius * -0.5, radius * 0.5));

deg = 90;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

ofSetColor(fill_color);

ofFill();

ofBeginShape();

for (int i = 0; i < vertices.size(); i++) {

int n = (i + 1) % vertices.size();

ofVertex(vertices[i]);

ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);

}

ofNextContour(true);

for (deg = 0; deg <= 360; deg += 5) {

ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofSetColor(no_fill_color);

ofNoFill();

ofBeginShape();

for (int i = 0; i < vertices.size(); i++) {

int n = (i + 1) % vertices.size();

ofVertex(vertices[i]);

ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);

}

ofNextContour(true);

for (deg = 0; deg <= 360; deg += 5) {

ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250409

2025年4月8日

Yin & Yang.

[ Video ]

[ About ]
陰・陽

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;

	void draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_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 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;

void draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	
	for (int z = 0; z <= 480; z += 20) {

		ofPushMatrix();
		ofTranslate(0, 0, z);

		auto deg = ofMap(ofNoise(z * 0.002 + ofGetFrameNum() * 0.01), 0, 1, -720, 720);

		this->draw_MAGATAMA(glm::vec2(), 300, deg, z % 40 == 0 ? ofColor(239) : ofColor(39), z % 40 == 0 ? ofColor(39) : ofColor(239));

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 500;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << 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);
		}
	}
	*/
}


//--------------------------------------------------------------
void ofApp::draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color) {

	float len = radius * 0.5522;
	float deg = 0;

	ofPushMatrix();
	ofTranslate(location);
	ofRotate(rotate_deg);

	vector<glm::vec2> vertices;
	vector<pair<glm::vec2, glm::vec2>> handle_list;

	vertices.push_back(glm::vec2(0, 0));
	deg = 180;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius * 0.5, radius * -0.5));
	deg = 90;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(0, radius * -1));
	deg = 0;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius, 0));
	deg = 270;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * cos((deg + 180) * DEG_TO_RAD), len * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(0, radius));
	deg = 0;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	vertices.push_back(glm::vec2(radius * -0.5, radius * 0.5));
	deg = 90;
	handle_list.push_back(make_pair<glm::vec2, glm::vec2>(
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),
		glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

	ofSetColor(fill_color);
	ofFill();
	ofBeginShape();
	for (int i = 0; i < vertices.size(); i++) {

		int n = (i + 1) % vertices.size();

		ofVertex(vertices[i]);
		ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);
	}

	ofNextContour(true);
	for (deg = 0; deg <= 360; deg += 5) {

		ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofSetColor(no_fill_color);
	ofNoFill();
	ofBeginShape();
	for (int i = 0; i < vertices.size(); i++) {

		int n = (i + 1) % vertices.size();

		ofVertex(vertices[i]);
		ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);
	}

	ofNextContour(true);
	for (deg = 0; deg <= 360; deg += 5) {

		ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofPopMatrix();
}

//--------------------------------------------------------------
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(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int z = 0; z <= 480; z += 20) {

ofPushMatrix();

ofTranslate(0, 0, z);

auto deg = ofMap(ofNoise(z * 0.002 + ofGetFrameNum() * 0.01), 0, 1, -720, 720);

this->draw_MAGATAMA(glm::vec2(), 300, deg, z % 40 == 0 ? ofColor(239) : ofColor(39), z % 40 == 0 ? ofColor(39) : ofColor(239));

ofPopMatrix();

}

this->cam.end();

int start = 500;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << 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);

}

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

void ofApp::draw_MAGATAMA(glm::vec2 location, float radius, float rotate_deg, ofColor fill_color, ofColor no_fill_color) {

float len = radius * 0.5522;

float deg = 0;

ofPushMatrix();

ofTranslate(location);

ofRotate(rotate_deg);

vector<glm::vec2> vertices;

vector<pair<glm::vec2, glm::vec2>> handle_list;

vertices.push_back(glm::vec2(0, 0));

deg = 180;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius * 0.5, radius * -0.5));

deg = 90;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(0, radius * -1));

deg = 0;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius, 0));

deg = 270;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * cos((deg + 180) * DEG_TO_RAD), len * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(0, radius));

deg = 0;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

vertices.push_back(glm::vec2(radius * -0.5, radius * 0.5));

deg = 90;

handle_list.push_back(make_pair<glm::vec2, glm::vec2>(

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos(deg * DEG_TO_RAD), len * 0.5 * sin(deg * DEG_TO_RAD))),

glm::vec2(vertices.back() + glm::vec2(len * 0.5 * cos((deg + 180) * DEG_TO_RAD), len * 0.5 * sin((deg + 180) * DEG_TO_RAD)))));

ofSetColor(fill_color);

ofFill();

ofBeginShape();

for (int i = 0; i < vertices.size(); i++) {

int n = (i + 1) % vertices.size();

ofVertex(vertices[i]);

ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);

}

ofNextContour(true);

for (deg = 0; deg <= 360; deg += 5) {

ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofSetColor(no_fill_color);

ofNoFill();

ofBeginShape();

for (int i = 0; i < vertices.size(); i++) {

int n = (i + 1) % vertices.size();

ofVertex(vertices[i]);

ofBezierVertex(handle_list[i].second, handle_list[n].first, vertices[n]);

}

ofNextContour(true);

for (deg = 0; deg <= 360; deg += 5) {

ofVertex(glm::vec2(0, radius * 0.5) + glm::vec2(radius * 0.2 * cos(deg * DEG_TO_RAD), radius * 0.2 * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250408

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