openFrameworks – ページ 399 – プログラミング de 落描き

2021年8月9日

Matrix style. Draw by openFrameworks

[ Video ]

[ About ]
半角カナを扱うには、ofTrueTypeFontのofAlphabet::Japaneseに半角カタカナの範囲を表すofUnicode::KatakanaHalfAndFullwidthFormsを加えてあげる必要があります。
また、絵文字などの文字を加えたい場合、Unicodeの文字コードと見比べて加えることで使用できるようになります。

To handle half-width katakana, you need to add ofUnicode::KatakanaHalfAndFullwidthForms to ofTrueTypeFont’s ofAlphabet::Japanese to indicate the half-width katakana range.
Also, if you want to add characters such as pictograms, you need to compare them with the Unicode character code and add them to be able to use them.

//\of_v0.10.1_vs2017_release\libs\openFrameworks\graphics\ofTrueTypeFont.cpp
//88 - 96 line

const std::initializer_list<ofUnicode::range> ofAlphabet::Japanese{
	ofUnicode::Space,
	ofUnicode::IdeographicSpace,
	ofUnicode::Hiragana,
	ofUnicode::Katakana,
	ofUnicode::KatakanaPhoneticExtensions,
	ofUnicode::KatakanaHalfAndFullwidthForms, // 半角カタカナを追加
	ofUnicode::CJKLettersAndMonths,
	ofUnicode::CJKUnified
};

//\of_v0.10.1_vs2017_release\libs\openFrameworks\graphics\ofTrueTypeFont.cpp

//88 - 96 line

const std::initializer_list<ofUnicode::range> ofAlphabet::Japanese{

ofUnicode::Space,

ofUnicode::IdeographicSpace,

ofUnicode::Hiragana,

ofUnicode::Katakana,

ofUnicode::KatakanaPhoneticExtensions,

ofUnicode::KatakanaHalfAndFullwidthForms, // 半角カタカナを追加

ofUnicode::CJKLettersAndMonths,

ofUnicode::CJKUnified

};

[ 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;

	vector<glm::vec3> location_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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;

vector<glm::vec3> location_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	int span = 30;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			for (int z = -300; z <= 300; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->param_list.push_back(0);
				this->word_index_list.push_back(0);
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 25; i++) {
		
		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}

	this->font_size = 23;
	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"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",
		u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",
		u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",
		u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",
		u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",
		u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",
		u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",
		u8"ﾔ", u8"ﾕ", u8"ﾖ",
		u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",
		u8"ﾜ", u8"ｦ", u8"ﾝ",
	};
}

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

	if (ofGetFrameNum() % 3 != 0) {

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

			this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());
		}
		return;
	}

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				this->word_index_list[next_index] = (int)ofRandom(this->words.size());
				break;
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);

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

		if (this->param_list[i] > 0) {

			ofPushMatrix();
			ofTranslate(this->location_list[i]);

			ofFill();
			int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);
			int rb = this->param_list[i] >= 57 ? 239 : 39;
			ofSetColor(ofColor(rb, 239, rb, alpha));

			this->font.drawString(this->words[this->word_index_list[i]], -15, -15);

			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}

	ofNoFill();
	ofSetColor(239);
	ofDrawBox(660, 660, 660);

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(0.5);

ofEnableDepthTest();

int span = 30;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

for (int z = -300; z <= 300; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

this->param_list.push_back(0);

this->word_index_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 25; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

this->font_size = 23;

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"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",

u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",

u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",

u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",

u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",

u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",

u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",

u8"ﾔ", u8"ﾕ", u8"ﾖ",

u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",

u8"ﾜ", u8"ｦ", u8"ﾝ",

};

}

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

void ofApp::update() {

if (ofGetFrameNum() % 3 != 0) {

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

this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());

}

return;

}

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

this->word_index_list[next_index] = (int)ofRandom(this->words.size());

break;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);

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

if (this->param_list[i] > 0) {

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofFill();

int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);

int rb = this->param_list[i] >= 57 ? 239 : 39;

ofSetColor(ofColor(rb, 239, rb, alpha));

this->font.drawString(this->words[this->word_index_list[i]], -15, -15);

ofPopMatrix();

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

ofNoFill();

ofSetColor(239);

ofDrawBox(660, 660, 660);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210809

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年8月8日

Random walk of Hiragana in the box. Draw by openFrameworks

[ Video ]

[ About ]
3次元のランダムウォークに変化。
ofRotate(sin(param) * 30)とすると、扇状に回転する動きになります。

Changes to a 3D random walk.
ofRotate(sin(param) * 30) will result in a fan-shaped rotating motion.

[ 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;

	vector<glm::vec3> location_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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;

vector<glm::vec3> location_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	int span = 30;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			for (int z = -300; z <= 300; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->param_list.push_back(0);
				this->word_index_list.push_back(0);
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 25; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}

	this->font_size = 23;
	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() {

	if (ofGetFrameNum() % 3 != 0) { 
	
		for (int i = 0; i < this->index_list.size(); i++) {

			this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());
		}
		return;
	}

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				this->word_index_list[next_index] = (int)ofRandom(this->words.size());
				break;
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);

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

		if (this->param_list[i] > 0) {

			ofPushMatrix();
			ofTranslate(this->location_list[i]);

			ofFill();
			ofSetColor(ofMap(this->param_list[i], 0, 45, 239, 39));		
			this->font.drawString(this->words[this->word_index_list[i]], -15, -15);
			
			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}

	ofNoFill();
	ofSetColor(39);
	ofDrawBox(660, 660, 660);

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

int span = 30;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

for (int z = -300; z <= 300; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

this->param_list.push_back(0);

this->word_index_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 25; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

this->font_size = 23;

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() {

if (ofGetFrameNum() % 3 != 0) {

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

this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());

}

return;

}

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

this->word_index_list[next_index] = (int)ofRandom(this->words.size());

break;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(sin(ofGetFrameNum() * 0.01) * 30);

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

if (this->param_list[i] > 0) {

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofFill();

ofSetColor(ofMap(this->param_list[i], 0, 45, 239, 39));

this->font.drawString(this->words[this->word_index_list[i]], -15, -15);

ofPopMatrix();

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

ofNoFill();

ofSetColor(39);

ofDrawBox(660, 660, 660);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210808

[ Kinako ]

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年8月7日

Random walk of Hiragana. Draw by openFrameworks

[ Video ]

[ About ]
日本語フォントによるランダムウォーク。
ソースコードで日本語(Unicode)を扱うにはu8プレフィックスを付けます。

Random walk with Japanese font.
To handle Japanese (Unicode) in source code, add the u8 prefix.

[ 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;

	vector<glm::vec3> location_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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;

vector<glm::vec3> location_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	int span = 30;
	for (int x = -300; x <= 300; x += span) {

		for (int y = -300; y <= 300; y += span) {

			this->location_list.push_back(glm::vec3(x, y, 0));
			this->param_list.push_back(0);
			this->word_index_list.push_back(0);
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 20; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}

	this->font_size = 23;
	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() {

	if (ofGetFrameNum() % 3 != 0) { 
	
		for (int i = 0; i < this->index_list.size(); i++) {

			this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());
		}
		return;
	}

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

		int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 45;
				this->index_list[i] = next_index;
				this->word_index_list[next_index] = (int)ofRandom(this->words.size());
				break;
			}
		}
	}
}

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

	this->cam.begin();

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

		if (this->param_list[i] > 0) {

			ofFill();
			ofSetColor(ofMap(this->param_list[i], 0, 45, 239, 39));		
			this->font.drawString(this->words[this->word_index_list[i]], this->location_list[i].x - 15, this->location_list[i].y - 15);
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

		ofNoFill();
		ofSetColor(39);
		ofDrawRectangle(this->location_list[i] - glm::vec2(15, 15), 30, 30);
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(0.5);

ofEnableDepthTest();

int span = 30;

for (int x = -300; x <= 300; x += span) {

for (int y = -300; y <= 300; y += span) {

this->location_list.push_back(glm::vec3(x, y, 0));

this->param_list.push_back(0);

this->word_index_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 20; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

this->font_size = 23;

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() {

if (ofGetFrameNum() % 3 != 0) {

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

this->word_index_list[this->index_list[i]] = (int)ofRandom(this->words.size());

}

return;

}

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

int next_index = this->route_info_list[this->index_list[i]][(int)ofRandom(this->route_info_list[this->index_list[i]].size())];

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 45;

this->index_list[i] = next_index;

this->word_index_list[next_index] = (int)ofRandom(this->words.size());

break;

}

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

void ofApp::draw() {

this->cam.begin();

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

if (this->param_list[i] > 0) {

ofFill();

ofSetColor(ofMap(this->param_list[i], 0, 45, 239, 39));

this->font.drawString(this->words[this->word_index_list[i]], this->location_list[i].x - 15, this->location_list[i].y - 15);

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

ofNoFill();

ofSetColor(39);

ofDrawRectangle(this->location_list[i] - glm::vec2(15, 15), 30, 30);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210807

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