font – ページ 51 – プログラミング de 落描き

2019年6月22日

Charactor by charactor. openFrameworks

[ Video ]

[ About ]
文字による文字

Charactor by charactor.

[ Source ]

#pragma once
#include "ofMain.h"
#include "MyShapes.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<unique_ptr<My::Shape>> shapes;
};

#pragma once

#include "ofMain.h"

#include "MyShapes.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<unique_ptr<My::Shape>> shapes;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofSetColor(0);
	string word_1 = "AB";
	font.drawString(word_1, ofGetWidth() * 0.5 - font.stringWidth(word_1) * 0.5, ofGetHeight() * 0.48);
	string word_2 = "CD";
	font.drawString(word_2, ofGetWidth() * 0.5 - font.stringWidth(word_2) * 0.5, ofGetHeight() * 0.52 + font.stringHeight(word_1));
	fbo.end();

	vector<ofPath> path_list;
	path_list.push_back(font.getCharacterAsPoints('A', true, false));
	path_list.push_back(font.getCharacterAsPoints('B', true, false));
	path_list.push_back(font.getCharacterAsPoints('C', true, false));
	path_list.push_back(font.getCharacterAsPoints('D', true, false));

	ofPixels pix;
	fbo.readToPixels(pix);

	while (this->shapes.size() < 350) {

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

		ofColor pix_color = pix.getColor(x, y);
		if (pix_color != ofColor(0)) {
			
			continue;
		}

		auto location = glm::vec2(x, y);
		float radius = ofRandom(5, 20);

		auto flag = true;
		for (auto& shape : this->shapes) {

			if (glm::distance(location, shape->location) <  radius + shape->radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			unique_ptr<My::Shape> shape;
			int r = ofRandom(path_list.size());
			shape = make_unique<My::Path>(location, radius, path_list[r]);
			this->shapes.push_back(move(shape));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	for (auto& shape : this->shapes) {

		shape->draw();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 300, true, true, true);

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofSetColor(0);

string word_1 = "AB";

font.drawString(word_1, ofGetWidth() * 0.5 - font.stringWidth(word_1) * 0.5, ofGetHeight() * 0.48);

string word_2 = "CD";

font.drawString(word_2, ofGetWidth() * 0.5 - font.stringWidth(word_2) * 0.5, ofGetHeight() * 0.52 + font.stringHeight(word_1));

fbo.end();

vector<ofPath> path_list;

path_list.push_back(font.getCharacterAsPoints('A', true, false));

path_list.push_back(font.getCharacterAsPoints('B', true, false));

path_list.push_back(font.getCharacterAsPoints('C', true, false));

path_list.push_back(font.getCharacterAsPoints('D', true, false));

ofPixels pix;

fbo.readToPixels(pix);

while (this->shapes.size() < 350) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

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

if (pix_color != ofColor(0)) {

continue;

}

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

float radius = ofRandom(5, 20);

auto flag = true;

for (auto& shape : this->shapes) {

if (glm::distance(location, shape->location) < radius + shape->radius) {

flag = false;

break;

}

if (flag) {

unique_ptr<My::Shape> shape;

int r = ofRandom(path_list.size());

shape = make_unique<My::Path>(location, radius, path_list[r]);

this->shapes.push_back(move(shape));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (auto& shape : this->shapes) {

shape->draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

namespace My {

	class Shape {
	public:
		Shape(glm::vec2 location, float radius);
		~Shape() {};
		virtual void draw() = 0;

		glm::vec2 location;
		float radius;
		bool fill;
	};

	class Circle : public Shape {
	public:
		Circle(glm::vec2 location, float radius);
		void draw() override;
	private:
		int deg;
	};

	class Rectangle : public Shape {
	public:
		Rectangle(glm::vec2 location, float radius);
		void draw() override;
	private:
		float len;
		float speed;
		int direction;
	};

	class Path : public Shape {
	public:
		Path(glm::vec2 location, float radius, ofPath path);
		void draw() override;
		ofPath path;
	private:
		int rotate;
	};
}

#pragma once

#include "ofMain.h"

namespace My {

class Shape {

public:

Shape(glm::vec2 location, float radius);

~Shape() {};

virtual void draw() = 0;

glm::vec2 location;

float radius;

bool fill;

};

class Circle : public Shape {

public:

Circle(glm::vec2 location, float radius);

void draw() override;

private:

int deg;

};

class Rectangle : public Shape {

public:

Rectangle(glm::vec2 location, float radius);

void draw() override;

private:

float len;

float speed;

int direction;

};

class Path : public Shape {

public:

Path(glm::vec2 location, float radius, ofPath path);

void draw() override;

ofPath path;

private:

int rotate;

};

}

#include "MyShapes.h"

// Shape
//--------------------------------------------------------------
My::Shape::Shape(glm::vec2 location, float radius) {

	this->location = location;
	this->radius = radius;
	this->fill = ofRandom(1) < 0.5 ? true : false;
}

// Circle
//--------------------------------------------------------------
My::Circle::Circle(glm::vec2 location, float radius) : Shape(location, radius) {

	this->deg = ofRandom(360);
}

//--------------------------------------------------------------
void My::Circle::draw() {

	ofPushMatrix();
	ofTranslate(this->location);
	ofRotate(this->deg);

	this->fill ? ofFill() : ofNoFill();
	ofSetColor(39);
	ofDrawCircle(glm::vec2(), this->radius);

	float tmp_radius = ofNoise(this->location.x * 0.005, this->location.y * 0.005, ofGetFrameNum() * 0.005) * this->radius;

	this->fill ? ofSetColor(239) : ofFill();
	ofBeginShape();
	for (int deg = 0; deg < 360; deg += 36) {

		if (deg % 72 == 0) {

			ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));
		}
		else {

			ofVertex(tmp_radius * 0.5 * cos(deg * DEG_TO_RAD), tmp_radius * 0.5 * sin(deg * DEG_TO_RAD));
		}
	}
	ofEndShape(true);

	ofPopMatrix();
}

// Rectangle
//--------------------------------------------------------------
My::Rectangle::Rectangle(glm::vec2 location, float radius) : Shape(location, radius) {

	this->len = radius * sqrt(2);
	this->speed = ofRandom(0.5, 3);
	this->direction = ofRandom(1) < 0.5 ? -1 : 1;
}

//--------------------------------------------------------------
void My::Rectangle::draw() {

	ofPushMatrix();
	ofTranslate(this->location);
	ofRotate(ofGetFrameNum() * this->speed * this->direction);

	this->fill ? ofFill() : ofNoFill();
	ofSetColor(39);
	ofDrawRectangle(glm::vec2(), this->len, this->len);

	ofPopMatrix();
}

// Path
//--------------------------------------------------------------
My::Path::Path(glm::vec2 location, float radius, ofPath path) : Shape(location, radius) {

	this->path = path;
	this->rotate = ofRandom(360);
}

//--------------------------------------------------------------
void My::Path::draw() {

	this->fill ? ofFill() : ofNoFill();
	auto tmp_radius = this->radius * 1.5;

	ofPushMatrix();
	ofTranslate(this->location);
	ofRotate(this->rotate++);

	auto outline = path.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 i = 0; i < vertices.size(); i++) {

			ofVertex((vertices[i] / 300 * tmp_radius) + glm::vec2(tmp_radius * -0.5, tmp_radius * 0.5));
		}
	}
	ofEndShape(true);

	ofPopMatrix();
}

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#include "MyShapes.h"

// Shape

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

My::Shape::Shape(glm::vec2 location, float radius) {

this->location = location;

this->radius = radius;

this->fill = ofRandom(1) < 0.5 ? true : false;

}

// Circle

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

My::Circle::Circle(glm::vec2 location, float radius) : Shape(location, radius) {

this->deg = ofRandom(360);

}

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

void My::Circle::draw() {

ofPushMatrix();

ofTranslate(this->location);

ofRotate(this->deg);

this->fill ? ofFill() : ofNoFill();

ofSetColor(39);

ofDrawCircle(glm::vec2(), this->radius);

float tmp_radius = ofNoise(this->location.x * 0.005, this->location.y * 0.005, ofGetFrameNum() * 0.005) * this->radius;

this->fill ? ofSetColor(239) : ofFill();

ofBeginShape();

for (int deg = 0; deg < 360; deg += 36) {

if (deg % 72 == 0) {

ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));

}

else {

ofVertex(tmp_radius * 0.5 * cos(deg * DEG_TO_RAD), tmp_radius * 0.5 * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

// Rectangle

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

My::Rectangle::Rectangle(glm::vec2 location, float radius) : Shape(location, radius) {

this->len = radius * sqrt(2);

this->speed = ofRandom(0.5, 3);

this->direction = ofRandom(1) < 0.5 ? -1 : 1;

}

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

void My::Rectangle::draw() {

ofPushMatrix();

ofTranslate(this->location);

ofRotate(ofGetFrameNum() * this->speed * this->direction);

this->fill ? ofFill() : ofNoFill();

ofSetColor(39);

ofDrawRectangle(glm::vec2(), this->len, this->len);

ofPopMatrix();

}

// Path

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

My::Path::Path(glm::vec2 location, float radius, ofPath path) : Shape(location, radius) {

this->path = path;

this->rotate = ofRandom(360);

}

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

void My::Path::draw() {

this->fill ? ofFill() : ofNoFill();

auto tmp_radius = this->radius * 1.5;

ofPushMatrix();

ofTranslate(this->location);

ofRotate(this->rotate++);

auto outline = path.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 i = 0; i < vertices.size(); i++) {

ofVertex((vertices[i] / 300 * tmp_radius) + glm::vec2(tmp_radius * -0.5, tmp_radius * 0.5));

}

ofEndShape(true);

ofPopMatrix();

}

[ Link ]
https://github.com/junkiyoshi/Insta20190622

2019年5月23日2019年5月23日

Font mask. openFrameworks

[ Video ]

[ About ]
文字で動画をマスク

Font mask.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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) {};

	cv::Size cap_size;
	cv::VideoCapture cap;
	cv::Mat frame;
	ofImage image;

	ofFbo fbo;
	ofShader shader;
	float font_size;
	ofTrueTypeFont font;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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) {};

cv::Size cap_size;

cv::VideoCapture cap;

cv::Mat frame;

ofImage image;

ofFbo fbo;

ofShader shader;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);

	this->cap_size = cv::Size(1280, 720);
	this->cap.open("video.mp4");
	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->shader.load("shader/shader.vert", "shader/shader.frag");
	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	// Read mp4 file.
	cv::Mat src;
	this->cap >> src;
	if (src.empty()) {

		this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}
	cv::resize(src, this->frame, this->cap_size);
	cv::cvtColor(this->frame, this->frame, CV_BGR2RGB);
	this->image.update();

	// Draw image.
	this->fbo.begin();
	ofClear(0);
	ofBackground(60);
	ofSetColor(255);

	for (int x = 0; x < ofGetWidth(); x += this->font_size) {

		for (int y = this->font_size; y <= ofGetHeight(); y += this->font_size) {

			char noise_value = ofMap(ofNoise(x * 0.005, y * 0.0005 - ofGetFrameNum() * this->font_size * 0.00001), 0, 1, 'A', 'Z');
			this->font.drawString({ noise_value }, x, y);
		}
	}
	this->fbo.end();
}

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

	this->shader.begin();
	this->shader.setUniform1f("time", ofGetElapsedTimef());
	this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());
	this->shader.setUniformTexture("tex1", this->image, 1);
	this->shader.setUniformTexture("tex2", this->fbo.getTexture(), 2);

	ofFill();
	ofSetColor(255);
	ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());
	this->shader.end();
}

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

	ofGLWindowSettings settings;
	settings.setGLVersion(3, 2);
	settings.setSize(1280, 720);
	ofCreateWindow(settings);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

this->cap_size = cv::Size(1280, 720);

this->cap.open("video.mp4");

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

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

this->shader.load("shader/shader.vert", "shader/shader.frag");

this->font_size = 80;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

// Read mp4 file.

cv::Mat src;

this->cap >> src;

if (src.empty()) {

this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(src, this->frame, this->cap_size);

cv::cvtColor(this->frame, this->frame, CV_BGR2RGB);

this->image.update();

// Draw image.

this->fbo.begin();

ofClear(0);

ofBackground(60);

ofSetColor(255);

for (int x = 0; x < ofGetWidth(); x += this->font_size) {

for (int y = this->font_size; y <= ofGetHeight(); y += this->font_size) {

char noise_value = ofMap(ofNoise(x * 0.005, y * 0.0005 - ofGetFrameNum() * this->font_size * 0.00001), 0, 1, 'A', 'Z');

this->font.drawString({ noise_value }, x, y);

}

this->fbo.end();

}

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

void ofApp::draw() {

this->shader.begin();

this->shader.setUniform1f("time", ofGetElapsedTimef());

this->shader.setUniform2f("resolution", ofGetWidth(), ofGetHeight());

this->shader.setUniformTexture("tex1", this->image, 1);

this->shader.setUniformTexture("tex2", this->fbo.getTexture(), 2);

ofFill();

ofSetColor(255);

ofDrawRectangle(0, 0, ofGetWidth(), ofGetHeight());

this->shader.end();

}

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

int main() {

ofGLWindowSettings settings;

settings.setGLVersion(3, 2);

settings.setSize(1280, 720);

ofCreateWindow(settings);

ofRunApp(new ofApp());

}

#version 150

uniform mat4 modelViewProjectionMatrix;
in vec4 position;

void main(){
	gl_Position = modelViewProjectionMatrix * position;
}

#version 150

uniform mat4 modelViewProjectionMatrix;

in vec4 position;

void main(){

gl_Position = modelViewProjectionMatrix * position;

}

#version 150

uniform float time;
uniform vec2 resolution;
uniform sampler2DRect tex1;
uniform sampler2DRect tex2;

in vec2 texCoordVarying;
out vec4 outputColor;

void main() {

  vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));
  vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));
 
  outputColor = t1 * t2;
}

#version 150

uniform float time;

uniform vec2 resolution;

uniform sampler2DRect tex1;

uniform sampler2DRect tex2;

in vec2 texCoordVarying;

out vec4 outputColor;

void main() {

vec4 t1 = texture(tex1, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

vec4 t2 = texture(tex2, vec2(gl_FragCoord.x, resolution.y - gl_FragCoord.y));

outputColor = t1 * t2;

}

[ Link ]
https://github.com/junkiyoshi/Insta20190523

2019年5月4日

Word generator. openFrameworks

[ Video ]

[ About ]
無作為な文字列ジェネレータ

Random word generator.

[ 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) {};

	int font_size;
	ofTrueTypeFont font;

	int number_of_words;
	vector<int> number_of_chara;
	vector<int> counts;
	vector<vector<float>> noise_seeds;
};

#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) {};

int font_size;

ofTrueTypeFont font;

int number_of_words;

vector<int> number_of_chara;

vector<int> counts;

vector<vector<float>> noise_seeds;

};

#include "ofApp.h"	

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

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

	ofBackground(239);

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

	this->number_of_words = 5;
	for (int i = 0; i < this->number_of_words; i++) {

		this->number_of_chara.push_back(0);
		this->counts.push_back(0);

		vector<float> noise_seed;
		this->noise_seeds.push_back(noise_seed);
	}
}

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

	for (int i = 0; i < this->number_of_words; i++) {

		if (this->counts[i] >= this->number_of_chara[i] * 30) {

			this->number_of_chara[i] = ofRandom(3, 7);

			this->noise_seeds[i].clear();
			for (int k = 0; k < this->number_of_chara[i]; k++) {

				this->noise_seeds[i].push_back(ofRandom(1000));
			}

			this->counts[i] = 0;
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.15, ofGetHeight() * 0.15);

	vector<char> charas{
		'A', 'B', 'C', 'D', 'E',
		'F', 'G', 'H', 'I', 'J',
		'K', 'L', 'M', 'N', 'O',
		'P', 'Q', 'R', 'S', 'T',
		'U', 'V', 'W', 'X', 'Y', 'Z',
		'a', 'b', 'c', 'd', 'e',
		'f', 'g', 'h', 'i', 'j',
		'k', 'l', 'm', 'n', 'o',
		'p', 'q', 'r', 's', 't',
		'u', 'v', 'w', 'x', 'y', 'z' };

	for (int i = 0; i < this->number_of_words; i++) {

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

			ofSetColor(39);
			if (this->counts[i] < k * 30) {

				this->noise_seeds[i][k] += 0.05;
				ofSetColor(150);
			}

			int noise_value = ofMap(ofNoise(this->noise_seeds[i][k]), 0, 1, 0, charas.size());
			this->font.drawString({ charas[noise_value] }, k * (this->font_size * 1.2) - this->font_size * 0.5, this->font_size * 0.5 + (this->font_size * 1.5) * i);
		}

		this->counts[i]++;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

this->font_size = 80;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

this->number_of_words = 5;

for (int i = 0; i < this->number_of_words; i++) {

this->number_of_chara.push_back(0);

this->counts.push_back(0);

vector<float> noise_seed;

this->noise_seeds.push_back(noise_seed);

}

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

void ofApp::update() {

for (int i = 0; i < this->number_of_words; i++) {

if (this->counts[i] >= this->number_of_chara[i] * 30) {

this->number_of_chara[i] = ofRandom(3, 7);

this->noise_seeds[i].clear();

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

this->noise_seeds[i].push_back(ofRandom(1000));

}

this->counts[i] = 0;

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.15, ofGetHeight() * 0.15);

vector<char> charas{

'A', 'B', 'C', 'D', 'E',

'F', 'G', 'H', 'I', 'J',

'K', 'L', 'M', 'N', 'O',

'P', 'Q', 'R', 'S', 'T',

'U', 'V', 'W', 'X', 'Y', 'Z',

'a', 'b', 'c', 'd', 'e',

'f', 'g', 'h', 'i', 'j',

'k', 'l', 'm', 'n', 'o',

'p', 'q', 'r', 's', 't',

'u', 'v', 'w', 'x', 'y', 'z' };

for (int i = 0; i < this->number_of_words; i++) {

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

ofSetColor(39);

if (this->counts[i] < k * 30) {

this->noise_seeds[i][k] += 0.05;

ofSetColor(150);

}

int noise_value = ofMap(ofNoise(this->noise_seeds[i][k]), 0, 1, 0, charas.size());

this->font.drawString({ charas[noise_value] }, k * (this->font_size * 1.2) - this->font_size * 0.5, this->font_size * 0.5 + (this->font_size * 1.5) * i);

}

this->counts[i]++;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190504

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