character – ページ 13 – プログラミング de 落描き

2020年3月14日

Wave of “WAVE”. openFrameworks

[ Video ]

[ About ]
Wave of “WAVE”.

[ 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;
	
	glm::vec2 word_size;
	vector<ofPath> 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) {};

ofEasyCam cam;

glm::vec2 word_size;

vector<ofPath> path_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

	string word = "WAVE";

	this->word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));
	this->path_list = font.getStringAsPoints(word, true, false);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(90);

	for (int x = -300; x <= 300; x += this->word_size.x * 1.05) {

		for (int y = -300; y <= 300; y += this->word_size.y * 1.1) {

			for (int path_index = 0; path_index < this->path_list.size(); path_index++) {

				auto outline = path_list[path_index].getOutline();

				ofSetColor(239);
				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 i = 0; i < vertices.size(); i++) {

						auto location = vertices[i] + glm::vec2(x, y);
						auto z = ofMap(ofNoise(glm::vec4(location * 0.003, ofGetFrameNum() * 0.01)), 0 , 1, -250, 250);
						ofVertex(location + glm::vec3(0, 0, z));
					}
				}
				ofEndShape(true);

				ofSetColor(39);
				ofNoFill();
				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++) {

						auto location = vertices[i] + glm::vec2(x, y);
						auto z = ofMap(ofNoise(glm::vec4(location * 0.003, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);
						ofVertex(location + glm::vec3(0, 0, z));
					}
				}
				ofEndShape(true);
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

string word = "WAVE";

this->word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));

this->path_list = font.getStringAsPoints(word, true, false);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

for (int x = -300; x <= 300; x += this->word_size.x * 1.05) {

for (int y = -300; y <= 300; y += this->word_size.y * 1.1) {

for (int path_index = 0; path_index < this->path_list.size(); path_index++) {

auto outline = path_list[path_index].getOutline();

ofSetColor(239);

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

auto location = vertices[i] + glm::vec2(x, y);

auto z = ofMap(ofNoise(glm::vec4(location * 0.003, ofGetFrameNum() * 0.01)), 0 , 1, -250, 250);

ofVertex(location + glm::vec3(0, 0, z));

}

ofEndShape(true);

ofSetColor(39);

ofNoFill();

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++) {

auto location = vertices[i] + glm::vec2(x, y);

auto z = ofMap(ofNoise(glm::vec4(location * 0.003, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);

ofVertex(location + glm::vec3(0, 0, z));

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200314

2020年3月13日2020年3月13日

Ripple of ASCII. openFrameworks

[ Video ]

[ About ]
文字の波紋。

Ripple of ASCII.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Ripple.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) {};

	ofTrueTypeFont font;
	vector<string> word_list;

	vector<unique_ptr<Ripple>> ripple_list;

	ofFbo fbo;
	ofPixels pixels;
	cv::Mat pixels_mat;
};

#pragma once

#include "ofMain.h"

#include "Ripple.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) {};

ofTrueTypeFont font;

vector<string> word_list;

vector<unique_ptr<Ripple>> ripple_list;

ofFbo fbo;

ofPixels pixels;

cv::Mat pixels_mat;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();

	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", 20);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->word_list = {

		u8"!", u8"#", u8"$", u8"%", u8"&",
		u8"'", u8"(", u8")", u8"*", u8"+",
		u8",", u8"-", u8".", u8"/", u8"0",
		u8"1", u8"2", u8"3", u8"4", u8"5",
		u8"6", u8"7", u8"8", u8"9", u8"0",
		u8":", u8";", u8"<", u8"=", u8">",
		u8"?", u8"@",

		u8"A", u8"B", u8"C", u8"D", u8"E",
		u8"F", u8"G", u8"H", u8"I", u8"J",
		u8"K", u8"L", u8"M", u8"N", u8"O",
		u8"P", u8"Q", u8"R", u8"S", u8"T",
		u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

		u8"a", u8"b", u8"c", u8"d", u8"e",
		u8"f", u8"g", u8"h", u8"i", u8"j",
		u8"k", u8"l", u8"m", u8"n", u8"o",
		u8"p", u8"q", u8"r", u8"s", u8"t",
		u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

		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",
	};

	this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);
	this->fbo.readToPixels(this->pixels);
	this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());
}

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

	if (ofGetFrameNum() % 10 == 0) {

		glm::vec3 location(ofRandom(this->fbo.getWidth()), ofRandom(this->fbo.getHeight()), ofRandom(800, 1500));
		unique_ptr<Ripple> ripple(new Ripple(location));
		this->ripple_list.push_back(move(ripple));
	}

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

	for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

		if (this->ripple_list[i]->isDead()) {

			this->ripple_list.erase(this->ripple_list.begin() + i);
		}
		else {

			this->ripple_list[i]->update();
			this->ripple_list[i]->draw(this->font, this->word_list);
		}
	}

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	cv::Mat gray_mat;
	cv::cvtColor(this->pixels_mat, gray_mat, cv::COLOR_RGBA2GRAY);
	for (int y = 0; y < this->pixels_mat.cols; y++) {

		for (int x = 0; x < this->pixels_mat.rows; x++) {

			if (gray_mat.at<unsigned char>(y, x) > 0) {

				this->pixels_mat.at<cv::Vec4b>(y, x) = cv::Vec4b(gray_mat.at<unsigned char>(y, x), gray_mat.at<unsigned char>(y, x), gray_mat.at<unsigned char>(y, x), this->pixels_mat.at<cv::Vec4b>(y, x)[3]);
			}
		}
	}

	cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 19), 10, 10);
}

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

	ofSetColor(255);

	ofImage draw_image;
	draw_image.setFromPixels(this->pixels);
	draw_image.draw(-5, -5);

	this->fbo.draw(-25, -25);
}

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

ofSetColor(39);

ofNoFill();

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", 20);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->word_list = {

u8"!", u8"#", u8"$", u8"%", u8"&",

u8"'", u8"(", u8")", u8"*", u8"+",

u8",", u8"-", u8".", u8"/", u8"0",

u8"1", u8"2", u8"3", u8"4", u8"5",

u8"6", u8"7", u8"8", u8"9", u8"0",

u8":", u8";", u8"<", u8"=", u8">",

u8"?", u8"@",

u8"A", u8"B", u8"C", u8"D", u8"E",

u8"F", u8"G", u8"H", u8"I", u8"J",

u8"K", u8"L", u8"M", u8"N", u8"O",

u8"P", u8"Q", u8"R", u8"S", u8"T",

u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

u8"a", u8"b", u8"c", u8"d", u8"e",

u8"f", u8"g", u8"h", u8"i", u8"j",

u8"k", u8"l", u8"m", u8"n", u8"o",

u8"p", u8"q", u8"r", u8"s", u8"t",

u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

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",

};

this->fbo.allocate(ofGetWidth() + 25, ofGetHeight() + 25);

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

this->pixels_mat = cv::Mat(this->pixels.getHeight(), this->pixels.getWidth(), CV_8UC4, this->pixels.getData());

}

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

void ofApp::update() {

if (ofGetFrameNum() % 10 == 0) {

glm::vec3 location(ofRandom(this->fbo.getWidth()), ofRandom(this->fbo.getHeight()), ofRandom(800, 1500));

unique_ptr<Ripple> ripple(new Ripple(location));

this->ripple_list.push_back(move(ripple));

}

this->fbo.begin();

ofClear(0);

for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

if (this->ripple_list[i]->isDead()) {

this->ripple_list.erase(this->ripple_list.begin() + i);

}

else {

this->ripple_list[i]->update();

this->ripple_list[i]->draw(this->font, this->word_list);

}

this->fbo.end();

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

cv::Mat gray_mat;

cv::cvtColor(this->pixels_mat, gray_mat, cv::COLOR_RGBA2GRAY);

for (int y = 0; y < this->pixels_mat.cols; y++) {

for (int x = 0; x < this->pixels_mat.rows; x++) {

if (gray_mat.at<unsigned char>(y, x) > 0) {

this->pixels_mat.at<cv::Vec4b>(y, x) = cv::Vec4b(gray_mat.at<unsigned char>(y, x), gray_mat.at<unsigned char>(y, x), gray_mat.at<unsigned char>(y, x), this->pixels_mat.at<cv::Vec4b>(y, x)[3]);

}

cv::GaussianBlur(this->pixels_mat, this->pixels_mat, cv::Size(19, 19), 10, 10);

}

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

void ofApp::draw() {

ofSetColor(255);

ofImage draw_image;

draw_image.setFromPixels(this->pixels);

draw_image.draw(-5, -5);

this->fbo.draw(-25, -25);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Ripple
{
public:

	Ripple();
	Ripple(glm::vec3 location);
	void update();
	void draw(ofTrueTypeFont& font, vector<string>& word_list);
	bool isDead();
private:

	glm::vec3 location;
	float radius;
	float radius_max;
	float radius_span;
};

#pragma once

#include "ofMain.h"

class Ripple

{

public:

Ripple();

Ripple(glm::vec3 location);

void update();

void draw(ofTrueTypeFont& font, vector<string>& word_list);

bool isDead();

private:

glm::vec3 location;

float radius;

float radius_max;

float radius_span;

};

#include "Ripple.h"

//--------------------------------------------------------------
Ripple::Ripple() : Ripple(glm::vec3()) {

}

//--------------------------------------------------------------
Ripple::Ripple(glm::vec3 location) {

	this->location = location;
	this->radius = 1;
	this->radius_max = location.z / 10;
}

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

	if (this->location.z > 0) {

		this->location.z = this->location.z > 10 ? this->location.z - 10 : 0;
		return;
	}

	if (this->radius < this->radius_max) {  this->radius += 1; }
}

//--------------------------------------------------------------
void Ripple::draw(ofTrueTypeFont& font, vector<string>& word_list) {

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

	if (this->location.z > 0) {

		ofSetColor(39);
		ofDrawLine(glm::vec3(), glm::vec3(0, 0, 30));
	}
	else {

		auto alpha = this->radius < this->radius_max * 0.5 ? 255 : ofMap(this->radius, this->radius_max * 0.5, this->radius_max, 255, 10);
		ofSetColor(39, alpha);
		for (int deg = 0; deg < 360; deg += 20) {

			glm::vec2 word_location(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
			auto noise_seed_location = glm::vec2(this->location) + word_location;
			int word_index = ofMap(ofNoise(glm::vec3(noise_seed_location * 0.003, ofGetFrameNum() * 0.001)), 0, 1, 0, word_list.size());

			ofPushMatrix();
			ofTranslate(word_location);
			ofRotateZ(deg + 90);

			font.drawString(word_list[word_index], -10.5, 10);

			ofPopMatrix();
		}
	}

	ofPopMatrix();
}

//--------------------------------------------------------------
bool Ripple::isDead() {

	return this->radius >= this->radius_max;
}

#include "Ripple.h"

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

Ripple::Ripple() : Ripple(glm::vec3()) {

}

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

Ripple::Ripple(glm::vec3 location) {

this->location = location;

this->radius = 1;

this->radius_max = location.z / 10;

}

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

void Ripple::update() {

if (this->location.z > 0) {

this->location.z = this->location.z > 10 ? this->location.z - 10 : 0;

return;

}

if (this->radius < this->radius_max) { this->radius += 1; }

}

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

void Ripple::draw(ofTrueTypeFont& font, vector<string>& word_list) {

ofPushMatrix();

ofTranslate(this->location);

if (this->location.z > 0) {

ofSetColor(39);

ofDrawLine(glm::vec3(), glm::vec3(0, 0, 30));

}

else {

auto alpha = this->radius < this->radius_max * 0.5 ? 255 : ofMap(this->radius, this->radius_max * 0.5, this->radius_max, 255, 10);

ofSetColor(39, alpha);

for (int deg = 0; deg < 360; deg += 20) {

glm::vec2 word_location(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));

auto noise_seed_location = glm::vec2(this->location) + word_location;

int word_index = ofMap(ofNoise(glm::vec3(noise_seed_location * 0.003, ofGetFrameNum() * 0.001)), 0, 1, 0, word_list.size());

ofPushMatrix();

ofTranslate(word_location);

ofRotateZ(deg + 90);

font.drawString(word_list[word_index], -10.5, 10);

ofPopMatrix();

}

ofPopMatrix();

}

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

bool Ripple::isDead() {

return this->radius >= this->radius_max;

}

[ Link ]
https://github.com/junkiyoshi/Insta20200313

2020年3月11日2020年3月11日

Character is falling. openFrameworks

[ Video ]

[ About ]
速度で変化する文字。

Characters change with velocity.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.h"

class dCharacter {

public:

	dCharacter() {};
	void update(vector<string>& words);

	shared_ptr<ofxBox2dRect> rect;
	int index = 0;
};

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) {};

	int font_size;
	ofTrueTypeFont font;
	vector<string> words;

	ofxBox2d box2d;
	vector<dCharacter> drop_char_list;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.h"

class dCharacter {

public:

dCharacter() {};

void update(vector<string>& words);

shared_ptr<ofxBox2dRect> rect;

int index = 0;

};

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) {};

int font_size;

ofTrueTypeFont font;

vector<string> words;

ofxBox2d box2d;

vector<dCharacter> drop_char_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void dCharacter::update(vector<string>& words) {

	if (ofGetFrameNum() % 5 && this->rect->getVelocity().length() > 1.5) {

		this->index = ofRandom(words.size());
	}
}

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetColor(255);

	this->font_size = 20;
	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"!", u8"#", u8"$", u8"%", u8"&",
		u8"'", u8"(", u8")", u8"*", u8"+",
		u8",", u8"-", u8".", u8"/", u8"0",
		u8"1", u8"2", u8"3", u8"4", u8"5",
		u8"6", u8"7", u8"8", u8"9", u8"0",
		u8":", u8";", u8"<", u8"=", u8">",
		u8"?", u8"@",

		u8"A", u8"B", u8"C", u8"D", u8"E",
		u8"F", u8"G", u8"H", u8"I", u8"J",
		u8"K", u8"L", u8"M", u8"N", u8"O",
		u8"P", u8"Q", u8"R", u8"S", u8"T",
		u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

		u8"a", u8"b", u8"c", u8"d", u8"e",
		u8"f", u8"g", u8"h", u8"i", u8"j",
		u8"k", u8"l", u8"m", u8"n", u8"o",
		u8"p", u8"q", u8"r", u8"s", u8"t",
		u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

		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",
	};

	this->box2d.init();
	this->box2d.setGravity(0, 5);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

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

	if (ofRandom(100) < 25) {

		auto rect = make_shared<ofxBox2dRect>();
		rect->setPhysics(1.0, 0.63, 0.1);
		rect->setup(this->box2d.getWorld(), ofRandom(ofGetWidth()) * this->font_size / this->font_size, 30, this->font_size, this->font_size);

		auto drop_char = dCharacter();
		drop_char.rect = rect;
		drop_char.index = ofRandom(this->words.size());

		this->drop_char_list.push_back(drop_char);
	}

	for (auto& drop_char : this->drop_char_list) {

		drop_char.update(this->words);
	}

	this->box2d.update();
}

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

	for (auto& drop_char : this->drop_char_list) {

		ofPushMatrix();
		ofTranslate(drop_char.rect->getPosition().x, drop_char.rect->getPosition().y);
		ofRotate(drop_char.rect->getRotation());

		this->font.drawString(this->words[drop_char.index], -10.5, 10);

		ofPopMatrix();
	}
}

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

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

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#include "ofApp.h"

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

void dCharacter::update(vector<string>& words) {

if (ofGetFrameNum() % 5 && this->rect->getVelocity().length() > 1.5) {

this->index = ofRandom(words.size());

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

this->font_size = 20;

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"!", u8"#", u8"$", u8"%", u8"&",

u8"'", u8"(", u8")", u8"*", u8"+",

u8",", u8"-", u8".", u8"/", u8"0",

u8"1", u8"2", u8"3", u8"4", u8"5",

u8"6", u8"7", u8"8", u8"9", u8"0",

u8":", u8";", u8"<", u8"=", u8">",

u8"?", u8"@",

u8"A", u8"B", u8"C", u8"D", u8"E",

u8"F", u8"G", u8"H", u8"I", u8"J",

u8"K", u8"L", u8"M", u8"N", u8"O",

u8"P", u8"Q", u8"R", u8"S", u8"T",

u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

u8"a", u8"b", u8"c", u8"d", u8"e",

u8"f", u8"g", u8"h", u8"i", u8"j",

u8"k", u8"l", u8"m", u8"n", u8"o",

u8"p", u8"q", u8"r", u8"s", u8"t",

u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

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",

};

this->box2d.init();

this->box2d.setGravity(0, 5);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

if (ofRandom(100) < 25) {

auto rect = make_shared<ofxBox2dRect>();

rect->setPhysics(1.0, 0.63, 0.1);

rect->setup(this->box2d.getWorld(), ofRandom(ofGetWidth()) * this->font_size / this->font_size, 30, this->font_size, this->font_size);

auto drop_char = dCharacter();

drop_char.rect = rect;

drop_char.index = ofRandom(this->words.size());

this->drop_char_list.push_back(drop_char);

}

for (auto& drop_char : this->drop_char_list) {

drop_char.update(this->words);

}

this->box2d.update();

}

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

void ofApp::draw() {

for (auto& drop_char : this->drop_char_list) {

ofPushMatrix();

ofTranslate(drop_char.rect->getPosition().x, drop_char.rect->getPosition().y);

ofRotate(drop_char.rect->getRotation());

this->font.drawString(this->words[drop_char.index], -10.5, 10);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200311

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