プログラミング de 落描き – ページ 291 – クリエイティブ・コーディングによる生成物とソース

2021年12月19日

Devil sprouts. Draw by openFrameworks

[ Video ]

[ About ]
同じコードでもちょびっと変えるだけで印象が変わる。

Even if you use the same code, changing it just a little will give you a different impression.

[ 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) {};

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_list;
};

#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) {};

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);

	int radius = 15;
	for (float deg = 0; deg < 360; deg += 3) {

		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

	int limit = 300;
	for (int i = 0; i < this->base_location_list.size(); i++) {

		vector<glm::vec2> log;
		log.push_back(glm::vec2(this->base_location_list[i]));
		this->log_list.push_back(log);
	}

	int step = 1;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.003, ofGetFrameNum() * 0.006 + k * 0.0005)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

				break;
			}
			else {

				this->log_list[i].push_back(next);
			}

			k++;
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofSetLineWidth(1.2);
	for (int i = 0; i < this->log_list.size(); i++) {

		if (this->log_list[i].size() > 1) {

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

				ofSetColor(255, ofMap(k, 0, this->log_list[i].size(), 0, 255), ofMap(k, 0, this->log_list[i].size(), 0, 255));
				ofDrawCircle(this->log_list[i][k], 1);
			}
		}
	}

	ofNoFill();
	ofSetLineWidth(0.2);
	ofSetColor(255);
	ofDrawRectangle(-300, -300, 600, 600);

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

int radius = 15;

for (float deg = 0; deg < 360; deg += 3) {

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

int limit = 300;

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

vector<glm::vec2> log;

log.push_back(glm::vec2(this->base_location_list[i]));

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.003, ofGetFrameNum() * 0.006 + k * 0.0005)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

break;

}

else {

this->log_list[i].push_back(next);

}

k++;

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofSetLineWidth(1.2);

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

if (this->log_list[i].size() > 1) {

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

ofSetColor(255, ofMap(k, 0, this->log_list[i].size(), 0, 255), ofMap(k, 0, this->log_list[i].size(), 0, 255));

ofDrawCircle(this->log_list[i][k], 1);

}

ofNoFill();

ofSetLineWidth(0.2);

ofSetColor(255);

ofDrawRectangle(-300, -300, 600, 600);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211219

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2021年12月18日

Hiragana Matrix. Draw by openFrameworks

[ Video ]

[ About ]
I enjoyed the Matrix.

[ 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<float> rotate_deg_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<float> rotate_deg_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(255);
	ofEnableDepthTest();

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

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

			for (int z = 0; z <= 2400; z += span * 2) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->rotate_deg_list.push_back(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 < 50; 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"べ", 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() % 4 != 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) {

				auto loc = this->location_list[this->index_list[i]];
				auto next = this->location_list[next_index];

				auto angle = std::atan2(next.y - loc.y, next.x - loc.x);
				if (angle != 0) {
				
					this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;
				}
				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();

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

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

			int z = (int)(this->location_list[i].z + ofGetFrameNum() * 4) % 1200 - 600;

			ofPushMatrix();
			ofTranslate(this->location_list[i].x, this->location_list[i].y, z);
	
			ofFill();
			int alpha = ofMap(this->param_list[i], 0, 60, 0, 255);
			ofSetColor(ofColor(0, alpha));

			ofRotateZ(this->rotate_deg_list[i]);
			this->font.drawString(this->words[this->word_index_list[i]], -13, -13);

			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 2; }
	}

	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(255);

ofEnableDepthTest();

int span = 30;

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

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

for (int z = 0; z <= 2400; z += span * 2) {

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

this->rotate_deg_list.push_back(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 < 50; 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"べ", 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() % 4 != 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) {

auto loc = this->location_list[this->index_list[i]];

auto next = this->location_list[next_index];

auto angle = std::atan2(next.y - loc.y, next.x - loc.x);

if (angle != 0) {

this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;

}

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();

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

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

int z = (int)(this->location_list[i].z + ofGetFrameNum() * 4) % 1200 - 600;

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y, z);

ofFill();

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

ofSetColor(ofColor(0, alpha));

ofRotateZ(this->rotate_deg_list[i]);

this->font.drawString(this->words[this->word_index_list[i]], -13, -13);

ofPopMatrix();

}

if (this->param_list[i] > 0) { this->param_list[i] -= 2; }

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211218

[ほしいものリスト]
Amazon

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2021年12月17日

Looking forward to the new Matrix ! Draw by openFrameworks

[ Video ]

[ About ]
マトリックスの新作楽しみ！

Looking forward to the new Matrix !

[ 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<float> rotate_deg_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<float> rotate_deg_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 = 0; z <= 1200; z += span * 2) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->rotate_deg_list.push_back(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 < 80; 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) {

				auto loc = this->location_list[this->index_list[i]];
				auto next = this->location_list[next_index];

				auto angle = std::atan2(next.y - loc.y, next.x - loc.x);
				if (angle != 0) {
				
					this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;
				}
				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();

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

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

			int z = (int)(this->location_list[i].z + ofGetFrameNum() * 3) % 1200 - 600;

			ofPushMatrix();
			ofTranslate(this->location_list[i].x, this->location_list[i].y, z);
	
			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));

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

			ofPopMatrix();
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 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(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 = 0; z <= 1200; z += span * 2) {

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

this->rotate_deg_list.push_back(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 < 80; 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) {

auto loc = this->location_list[this->index_list[i]];

auto next = this->location_list[next_index];

auto angle = std::atan2(next.y - loc.y, next.x - loc.x);

if (angle != 0) {

this->rotate_deg_list[next_index] = angle * RAD_TO_DEG + 90;

}

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();

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

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

int z = (int)(this->location_list[i].z + ofGetFrameNum() * 3) % 1200 - 600;

ofPushMatrix();

ofTranslate(this->location_list[i].x, this->location_list[i].y, z);

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));

ofRotateZ(this->rotate_deg_list[i]);

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

ofPopMatrix();

}

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

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211217

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