openFrameworks – ページ 358 – プログラミング de 落描き

2022年3月18日

Sphere ring waving. Draw by openFrameworks

[ Video ]

[ About ]
Noise value * Noise value;

[ 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, frame;
};

#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, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();
	ofSetLineWidth(1.5);

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

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

	ofSeedRandom(39);

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

	int radius = 250;
	float phi_deg_step = 3;
	float theta_deg_step = 1;

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		float param = ofNoise(ofGetFrameNum() * 0.03);
		if (param > 0.45) {

			param = ofMap(param, 0.45, 1, 0, 1);
		}
		else {

			param = 0;
		}
		float theta_deg_start = 90 + ofMap(ofNoise(ofRandom(39), ofGetFrameNum() * 0.03), 0, 1, -180, 180) * param;
		int frame_start_index = this->face.getNumVertices();

		for (float theta_deg = theta_deg_start - 15; theta_deg < theta_deg_start + 15; theta_deg += theta_deg_step) {

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

			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
				radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

			this->face.addVertices(vertices);
			this->frame.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 + 3); this->face.addIndex(index + 2);

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

		this->frame.addIndex(frame_start_index + 0); this->frame.addIndex(frame_start_index + 1);
		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.2);

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

	ofSetColor(255);
	this->frame.draw();

	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);

ofEnableDepthTest();

ofSetLineWidth(1.5);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int radius = 250;

float phi_deg_step = 3;

float theta_deg_step = 1;

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

float param = ofNoise(ofGetFrameNum() * 0.03);

if (param > 0.45) {

param = ofMap(param, 0.45, 1, 0, 1);

}

else {

param = 0;

}

float theta_deg_start = 90 + ofMap(ofNoise(ofRandom(39), ofGetFrameNum() * 0.03), 0, 1, -180, 180) * param;

int frame_start_index = this->face.getNumVertices();

for (float theta_deg = theta_deg_start - 15; theta_deg < theta_deg_start + 15; theta_deg += theta_deg_step) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

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

}

this->frame.addIndex(frame_start_index + 0); this->frame.addIndex(frame_start_index + 1);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.2);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220318

2022年3月17日

Erase and Repair. Draw by openFrameworks

[ Video ]

[ About ]
消しゴム。

[ 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> location_list;
	vector<int> life_list;
	vector<float> noise_param_list;

	vector<glm::vec2> noise_location_list;

	vector<ofPath> chara_path_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> location_list;

vector<int> life_list;

vector<float> noise_param_list;

vector<glm::vec2> noise_location_list;

vector<ofPath> chara_path_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

	for (char c = 'A'; c <= 'Z'; c++) {

		this->chara_path_list.push_back(font.getCharacterAsPoints(c, true, false));
	}

	for (int x = -300; x <= 300; x += 15) {

		for (int y = -300; y <= 300; y += 15) {

			this->location_list.push_back(glm::vec2(x, y));
			this->life_list.push_back(0);
			this->noise_param_list.push_back(ofRandom(1000));

		}
	}
}

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

	ofSeedRandom(39);

	this->noise_location_list.clear();

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

		this->life_list[i] = this->life_list[i] > 0 ? this->life_list[i] - 0.5 : 0;
		
		if (this->life_list[i] > 20) {

		}
		else if (this->life_list[i] > 0) {

			this->noise_param_list[i] += ofMap(this->life_list[i], 0, 20, 0.005, 0.1);
		}
	}

	for (int i = 0; i < 1; i++) {

		int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);
		int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 400);

		for (int deg = deg_start; deg < deg_start + 360; deg += 120) {

			auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			this->noise_location_list.push_back(noise_location);
			for (int i = 0; i < this->location_list.size(); i++) {

				if (glm::distance(noise_location, this->location_list[i]) < 50) {

					this->life_list[i] = this->life_list[i] < 100 ? this->life_list[i] + 8 : 100;
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	// 配色デザイン ビビッドレッド P038
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(197, 0, 24));
	color_palette.push_back(ofColor(184, 12, 65));
	color_palette.push_back(ofColor(206, 97, 110));
	color_palette.push_back(ofColor(204, 85, 68));
	color_palette.push_back(ofColor(190, 145, 176));
	color_palette.push_back(ofColor(215, 130, 63));
	color_palette.push_back(ofColor(255, 241, 51));
	color_palette.push_back(ofColor(107, 182, 187));

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

		auto color = color_palette[ofRandom(color_palette.size())];
		auto fill_flag = ofRandom(1) < 0.25;

		if (this->life_list[i] > 20) {

		}
		else if (this->life_list[i] > 0) {

			ofSetColor(color);

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

			int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size());
			auto outline = this->chara_path_list[chara_index].getOutline();
			fill_flag < 0.5 ? ofNoFill() : ofFill();
			auto font_size = ofMap(this->life_list[i], 0, 20, 13, 0);

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

				if (line_index != 0) { ofNextContour(true); }

				auto vertices = outline[line_index].getVertices();
				for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

					auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);
					ofVertex(point);
				}
			}
			ofEndShape(true);

			ofPopMatrix();
		}
		else {

			ofSetColor(color);

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

			int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size());
			auto outline = this->chara_path_list[chara_index].getOutline();
			fill_flag ? ofNoFill() : ofFill();
			float font_size = 13;

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

				if (line_index != 0) { ofNextContour(true); }

				auto vertices = outline[line_index].getVertices();
				for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

					auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);
					ofVertex(point);
				}
			}
			ofEndShape(true);

			ofPopMatrix();;
		}
	}

	ofSetColor(color_palette[0]);
	for (int i = 0; i < this->noise_location_list.size(); i++) {

		ofDrawCircle(this->noise_location_list[i], 15);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

for (char c = 'A'; c <= 'Z'; c++) {

this->chara_path_list.push_back(font.getCharacterAsPoints(c, true, false));

}

for (int x = -300; x <= 300; x += 15) {

for (int y = -300; y <= 300; y += 15) {

this->location_list.push_back(glm::vec2(x, y));

this->life_list.push_back(0);

this->noise_param_list.push_back(ofRandom(1000));

}

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

void ofApp::update() {

ofSeedRandom(39);

this->noise_location_list.clear();

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

this->life_list[i] = this->life_list[i] > 0 ? this->life_list[i] - 0.5 : 0;

if (this->life_list[i] > 20) {

}

else if (this->life_list[i] > 0) {

this->noise_param_list[i] += ofMap(this->life_list[i], 0, 20, 0.005, 0.1);

}

for (int i = 0; i < 1; i++) {

int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360);

int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 400);

for (int deg = deg_start; deg < deg_start + 360; deg += 120) {

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

this->noise_location_list.push_back(noise_location);

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

if (glm::distance(noise_location, this->location_list[i]) < 50) {

this->life_list[i] = this->life_list[i] < 100 ? this->life_list[i] + 8 : 100;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

// 配色デザインビビッドレッド P038

vector<ofColor> color_palette;

color_palette.push_back(ofColor(197, 0, 24));

color_palette.push_back(ofColor(184, 12, 65));

color_palette.push_back(ofColor(206, 97, 110));

color_palette.push_back(ofColor(204, 85, 68));

color_palette.push_back(ofColor(190, 145, 176));

color_palette.push_back(ofColor(215, 130, 63));

color_palette.push_back(ofColor(255, 241, 51));

color_palette.push_back(ofColor(107, 182, 187));

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

auto color = color_palette[ofRandom(color_palette.size())];

auto fill_flag = ofRandom(1) < 0.25;

if (this->life_list[i] > 20) {

}

else if (this->life_list[i] > 0) {

ofSetColor(color);

ofPushMatrix();

ofTranslate(this->location_list[i]);

int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size());

auto outline = this->chara_path_list[chara_index].getOutline();

fill_flag < 0.5 ? ofNoFill() : ofFill();

auto font_size = ofMap(this->life_list[i], 0, 20, 13, 0);

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

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

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

auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

else {

ofSetColor(color);

ofPushMatrix();

ofTranslate(this->location_list[i]);

int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size());

auto outline = this->chara_path_list[chara_index].getOutline();

fill_flag ? ofNoFill() : ofFill();

float font_size = 13;

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

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

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

auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();;

}

ofSetColor(color_palette[0]);

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

ofDrawCircle(this->noise_location_list[i], 15);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220317

2022年3月16日

Characters on character. Draw by openFrameworks

[ Video ]

[ About ]
文字で文字を埋める。

Fill in the character with Character

[ 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) {};

	ofFbo fbo;
	ofPixels pix;

	vector<ofPath> chara_path;
};

#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) {};

ofFbo fbo;

ofPixels pix;

vector<ofPath> chara_path;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

	this->chara_path.push_back(font.getCharacterAsPoints('L', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('O', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('V', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));

	this->chara_path.push_back(font.getCharacterAsPoints('&', true, false));

	this->chara_path.push_back(font.getCharacterAsPoints('P', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('A', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('C', true, false));
	this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	ofSeedRandom(39);

	this->fbo.begin();
	ofClear(0);
	ofSetColor(0);
	ofFill();

	ofTranslate(ofGetWindowSize() * 0.5);

	auto font_size = 600;
	int chara_index = (ofGetFrameNum() / 60) % this->chara_path.size();
	auto outline = this->chara_path[chara_index].getOutline();

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

		if (line_index != 0) { ofNextContour(true); }

		auto vertices = outline[line_index].getVertices();
		for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {
			auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.45, font_size * 0.5);
			ofVertex(point);
		}
	}
	ofEndShape(true);

	this->fbo.end();
	this->fbo.readToPixels(this->pix);
}

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

	vector<glm::vec2> location_list;
	vector<float> radius_list;
	vector<int> chara_index_list;

	while (location_list.size() < 200) {

		int x = ofRandom(ofGetWidth());
		int y = ofRandom(ofGetHeight());

		ofColor pix_color = this->pix.getColor(x, y);
		if (pix_color != ofColor(0)) {

			continue;
		}

		glm::vec2 location = glm::vec2(x, y);
		float radius = ofRandom(3, 30);

		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < radius_list[i] + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
			chara_index_list.push_back(ofRandom(this->chara_path.size()));
		}
	}

	vector<ofColor> color_palette;
	// 配色デザイン ビビットパープル P168
	color_palette.push_back(ofColor(109, 23, 129));
	color_palette.push_back(ofColor(75, 83, 158));
	color_palette.push_back(ofColor(132, 93, 159));
	color_palette.push_back(ofColor(66, 35, 128));
	color_palette.push_back(ofColor(200, 64, 114));
	color_palette.push_back(ofColor(0, 160, 158));
	color_palette.push_back(ofColor(215, 130, 63));
	//color_palette.push_back(ofColor(0, 0, 0));

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

		ofSetColor(color_palette[ofRandom(color_palette.size())]);

		ofPushMatrix();
		ofTranslate(location_list[i]);
		ofRotate(ofRandom(360) + ofGetFrameNum() * ofRandom(-6, 6));

		int chara_index = chara_index_list[i];
		chara_index = (int)(chara_index + ofMap(ofNoise(glm::vec3(location_list[i] * 0.005, ofGetFrameNum() * 0.00015)), 0, 1, 0, chara_path.size())) % chara_path.size();

		auto font_size = radius_list[i] * 1.5;
		auto outline = this->chara_path[chara_index].getOutline();

		ofRandom(1) < 0.5 ? ofNoFill() : ofFill();

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

			if (line_index != 0) { ofNextContour(true); }

			auto vertices = outline[line_index].getVertices();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);
				ofVertex(point);
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->chara_path.push_back(font.getCharacterAsPoints('L', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('O', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('V', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('&', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('P', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('A', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('C', true, false));

this->chara_path.push_back(font.getCharacterAsPoints('E', true, false));

this->fbo.allocate(ofGetWidth(), ofGetHeight());

}

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

void ofApp::update() {

ofSeedRandom(39);

this->fbo.begin();

ofClear(0);

ofSetColor(0);

ofFill();

ofTranslate(ofGetWindowSize() * 0.5);

auto font_size = 600;

int chara_index = (ofGetFrameNum() / 60) % this->chara_path.size();

auto outline = this->chara_path[chara_index].getOutline();

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

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

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

auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.45, font_size * 0.5);

ofVertex(point);

}

ofEndShape(true);

this->fbo.end();

this->fbo.readToPixels(this->pix);

}

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

void ofApp::draw() {

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<int> chara_index_list;

while (location_list.size() < 200) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

ofColor pix_color = this->pix.getColor(x, y);

if (pix_color != ofColor(0)) {

continue;

}

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

float radius = ofRandom(3, 30);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < radius_list[i] + radius) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

chara_index_list.push_back(ofRandom(this->chara_path.size()));

}

vector<ofColor> color_palette;

// 配色デザインビビットパープル P168

color_palette.push_back(ofColor(109, 23, 129));

color_palette.push_back(ofColor(75, 83, 158));

color_palette.push_back(ofColor(132, 93, 159));

color_palette.push_back(ofColor(66, 35, 128));

color_palette.push_back(ofColor(200, 64, 114));

color_palette.push_back(ofColor(0, 160, 158));

color_palette.push_back(ofColor(215, 130, 63));

//color_palette.push_back(ofColor(0, 0, 0));

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

ofSetColor(color_palette[ofRandom(color_palette.size())]);

ofPushMatrix();

ofTranslate(location_list[i]);

ofRotate(ofRandom(360) + ofGetFrameNum() * ofRandom(-6, 6));

int chara_index = chara_index_list[i];

chara_index = (int)(chara_index + ofMap(ofNoise(glm::vec3(location_list[i] * 0.005, ofGetFrameNum() * 0.00015)), 0, 1, 0, chara_path.size())) % chara_path.size();

auto font_size = radius_list[i] * 1.5;

auto outline = this->chara_path[chara_index].getOutline();

ofRandom(1) < 0.5 ? ofNoFill() : ofFill();

ofBeginShape();

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

if (line_index != 0) { ofNextContour(true); }

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

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

auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220316

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