2025年4月 – ページ 2 – プログラミング de 落描き

2025年4月27日

Disconnected character.

[ Video ]

[ About ]
バラバラ・文字。

[ 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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> location_list;

	vector<ofColor> color_list;
	int color_index;
};

#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) {};

ofTrueTypeFont font;

vector<glm::vec2> location_list;

vector<ofColor> color_list;

int color_index;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	string word = "K&R";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.25);

	fbo.end();

	auto span = 5;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < 720; x += span) {

		for (int y = 0; y < 720; y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.45, 0));
			}
		}
	}

	this->color_index = 0;
	this->color_list.push_back(ofColor(255, 255, 0));
	this->color_list.push_back(ofColor(0, 255, 255));
	this->color_list.push_back(ofColor(255, 0, 255));
}

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

	ofSeedRandom(39);

	ofSetColor(this->color_list[this->color_index]);

	if (ofGetFrameNum() % 100 == 1) {

		this->color_index = (this->color_index + 1) % this->color_list.size();
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int span = 5;
	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	for (auto& location : this->location_list) {

		auto x = location.x;
		auto y = location.y;

		auto p = ofGetFrameNum() % 100;
		auto next_p = (ofGetFrameNum() + 1) % 100;

		auto param = p < 25 ? 0 : p < 50 ? ofMap(p, 25, 50, 0, 1) : p < 75 ? 1 : ofMap(p, 75, 100, 1, 0);
		auto next_param = next_p < 25 ? 0 : next_p < 50 ? ofMap(next_p, 25, 50, 0, 1) : next_p < 75 ? 1 : ofMap(next_p, 75, 100, 1, 0);

		auto param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;
		auto param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

		auto next_param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;
		auto next_param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

		if (param > 0) {

			ofDrawLine(x + param_x, y + param_y, x + next_param_x, y + next_param_y);
		}
		else {

			ofFill();
			ofDrawCircle(x + param_x, y + param_y, span * 0.25);
		}
	}

	/*
	int start = 201;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true);

ofFbo fbo;

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

fbo.begin();

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

ofClear(0);

ofSetColor(0);

string word = "K&R";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.25);

fbo.end();

auto span = 5;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < 720; x += span) {

for (int y = 0; y < 720; y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.45, 0));

}

this->color_index = 0;

this->color_list.push_back(ofColor(255, 255, 0));

this->color_list.push_back(ofColor(0, 255, 255));

this->color_list.push_back(ofColor(255, 0, 255));

}

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

void ofApp::update() {

ofSeedRandom(39);

ofSetColor(this->color_list[this->color_index]);

if (ofGetFrameNum() % 100 == 1) {

this->color_index = (this->color_index + 1) % this->color_list.size();

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int span = 5;

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

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

auto x = location.x;

auto y = location.y;

auto p = ofGetFrameNum() % 100;

auto next_p = (ofGetFrameNum() + 1) % 100;

auto param = p < 25 ? 0 : p < 50 ? ofMap(p, 25, 50, 0, 1) : p < 75 ? 1 : ofMap(p, 75, 100, 1, 0);

auto next_param = next_p < 25 ? 0 : next_p < 50 ? ofMap(next_p, 25, 50, 0, 1) : next_p < 75 ? 1 : ofMap(next_p, 75, 100, 1, 0);

auto param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

auto param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

auto next_param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

auto next_param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

if (param > 0) {

ofDrawLine(x + param_x, y + param_y, x + next_param_x, y + next_param_y);

}

else {

ofFill();

ofDrawCircle(x + param_x, y + param_y, span * 0.25);

}

int start = 201;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250427

2025年4月26日

Arrow Moji.

[ Video ]

[ About ]
矢印・文字。

[ 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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> location_list;

	void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor fill_color, ofColor no_fill_color);
};

#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) {};

ofTrueTypeFont font;

vector<glm::vec2> location_list;

void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor fill_color, ofColor no_fill_color);

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 580, true, true, true);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 == 0) {

		this->location_list.clear();

		ofFbo fbo;
		fbo.allocate(ofGetWidth(), ofGetHeight());
		fbo.begin();
		ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
		ofClear(0);
		ofSetColor(0);

		string word = "!";
		font.drawString(word, font.stringWidth(word) * -0.6, font.stringHeight(word) - 320);

		fbo.end();

		auto span = 10;
		ofPixels pixels;
		fbo.readToPixels(pixels);
		for (int x = 60; x < 700; x += span) {

			for (int y = 0; y < 720; y += span) {

				ofColor color = pixels.getColor(x, y);
				if (color != ofColor(0, 0)) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.45, 0));
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int span = 10;
	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	for (auto& location : this->location_list) {

		auto x = location.x;
		auto y = location.y;

		auto p = ofGetFrameNum() % 100;
		auto next_p = (ofGetFrameNum() + 1) % 100;

		auto param = p < 25 ? 0 : p < 50 ? ofMap(p, 25, 50, 0, 1) : p < 75 ? 1 : ofMap(p, 75, 100, 1, 0);
		auto next_param = next_p < 25 ? 0 : next_p < 50 ? ofMap(next_p, 25, 50, 0, 1) : next_p < 75 ? 1 : ofMap(next_p, 75, 100, 1, 0);

		auto param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;
		auto param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

		auto next_param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;
		auto next_param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

		if (param > 0) {

			this->draw_arrow(glm::vec2(x + param_x, y + param_y), glm::vec2(x + next_param_x, y + next_param_y), span * 1.2, ofColor(39), ofColor(39, 39, 239));
		}
		else {

			ofSetColor(39);
			ofFill();
			ofDrawCircle(x + param_x, y + param_y, span * 0.35);

			ofSetColor(39, 39, 239);
			ofNoFill();
			ofDrawCircle(x + param_x, y + param_y, span * 0.35);
		}
	}

	/*
	int start = 100;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor fill_color, ofColor no_fill_color) {

	auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

	ofSetColor(fill_color);
	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location);
	ofEndShape(true);

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);
	ofEndShape(true);

	ofSetColor(no_fill_color);
	ofNoFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location);
	ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);
	ofEndShape();

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);
	ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);
	ofEndShape();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 580, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 == 0) {

this->location_list.clear();

ofFbo fbo;

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

fbo.begin();

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

ofClear(0);

ofSetColor(0);

string word = "!";

font.drawString(word, font.stringWidth(word) * -0.6, font.stringHeight(word) - 320);

fbo.end();

auto span = 10;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 60; x < 700; x += span) {

for (int y = 0; y < 720; y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.45, 0));

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int span = 10;

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

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

auto x = location.x;

auto y = location.y;

auto p = ofGetFrameNum() % 100;

auto next_p = (ofGetFrameNum() + 1) % 100;

auto param = p < 25 ? 0 : p < 50 ? ofMap(p, 25, 50, 0, 1) : p < 75 ? 1 : ofMap(p, 75, 100, 1, 0);

auto next_param = next_p < 25 ? 0 : next_p < 50 ? ofMap(next_p, 25, 50, 0, 1) : next_p < 75 ? 1 : ofMap(next_p, 75, 100, 1, 0);

auto param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

auto param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, ofGetFrameNum() * 0.01), 0, 1, -720, 720) * param;

auto next_param_x = ofMap(ofNoise(noise_seed.x, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

auto next_param_y = ofMap(ofNoise(noise_seed.y, x * 0.1, y * 0.1, (ofGetFrameNum() + 1) * 0.01), 0, 1, -720, 720) * next_param;

if (param > 0) {

this->draw_arrow(glm::vec2(x + param_x, y + param_y), glm::vec2(x + next_param_x, y + next_param_y), span * 1.2, ofColor(39), ofColor(39, 39, 239));

}

else {

ofSetColor(39);

ofFill();

ofDrawCircle(x + param_x, y + param_y, span * 0.35);

ofSetColor(39, 39, 239);

ofNoFill();

ofDrawCircle(x + param_x, y + param_y, span * 0.35);

}

int start = 100;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size, ofColor fill_color, ofColor no_fill_color) {

auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x);

ofSetColor(fill_color);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location);

ofEndShape(true);

ofBeginShape();

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);

ofEndShape(true);

ofSetColor(no_fill_color);

ofNoFill();

ofBeginShape();

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location);

ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location);

ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250426

2025年4月25日

Alphabet chain.

[ Video ]

[ About ]
アルファベット・チェーン

[ 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) {};

	ofTrueTypeFont font;
	string word;
};

#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) {};

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
}

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


}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	ofSeedRandom(239);

	for (int k = 0; k < 5; k++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		for (int i = 0; i <= 26; i++) {

			auto location = glm::vec2(
				ofMap(ofNoise(noise_seed.x, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420),
				ofMap(ofNoise(noise_seed.y, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420));
			auto next = glm::vec2(
				ofMap(ofNoise(noise_seed.x, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420),
				ofMap(ofNoise(noise_seed.y, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420));

			if (glm::length(location) > 300) {

				location = glm::normalize(location) * 300;
			}
			if (glm::length(next) > 300) {

				location = glm::normalize(next) * 300;
			}

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


			ofPushMatrix();
			ofTranslate(location);
			ofRotate(angle * RAD_TO_DEG + 90);

			ofPath chara_path = this->font.getCharacterAsPoints(this->word[26 - i], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofFill();
			ofColor color;
			color.setHsb(ofMap(k, 0, 5, 0, 255), 130, 255);
			ofSetColor(color, 128);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					ofVertex(vertex);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					ofVertex(vertex);
				}
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}

	/*
	int start = 100;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

ofSeedRandom(239);

for (int k = 0; k < 5; k++) {

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (int i = 0; i <= 26; i++) {

auto location = glm::vec2(

ofMap(ofNoise(noise_seed.x, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420),

ofMap(ofNoise(noise_seed.y, i * 0.025 + ofGetFrameNum() * 0.01), 0, 1, -420, 420));

auto next = glm::vec2(

ofMap(ofNoise(noise_seed.x, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420),

ofMap(ofNoise(noise_seed.y, (i + 1) * 0.025 + (ofGetFrameNum() + 1) * 0.01), 0, 1, -420, 420));

if (glm::length(location) > 300) {

location = glm::normalize(location) * 300;

}

if (glm::length(next) > 300) {

location = glm::normalize(next) * 300;

}

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

ofPushMatrix();

ofTranslate(location);

ofRotate(angle * RAD_TO_DEG + 90);

ofPath chara_path = this->font.getCharacterAsPoints(this->word[26 - i], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofColor color;

color.setHsb(ofMap(k, 0, 5, 0, 255), 130, 255);

ofSetColor(color, 128);

ofBeginShape();

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

ofNextContour(true);

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

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofNoFill();

ofSetColor(color);

ofBeginShape();

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

ofNextContour(true);

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

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofPopMatrix();

}

int start = 100;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250425

2025年4月
月	火	水	木	金	土	日
	1	2	3	4	5	6
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21	22	23	24	25	26	27
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