2026年1月 – ページ 10 – プログラミング de 落描き

2026年1月4日

Mycelium.

[ Video ]

[ About ]
菌糸。

[ 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) {};

	float noise_param;
};

#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) {};

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetCircleResolution(60);

	this->noise_param = ofRandom(1000);
}

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

	this->noise_param += 0.025;
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float start_radius = 5;
	float end_radius = 600;

	for (float deg = 0; deg < 360; deg += 0.25) {

		for (float radius = start_radius; radius < end_radius; radius += 1) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec4(noise_location * 3, radius * 0.005, this->noise_param));

			if (noise_value >= 0.4 && noise_value <= 0.6) {

				ofSetColor(ofMap(abs(0.5 - noise_value), 0, 0.1, 255, 39));
				ofDrawCircle(location, 1.5);
			}
		}
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 50;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetCircleResolution(60);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

this->noise_param += 0.025;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float start_radius = 5;

float end_radius = 600;

for (float deg = 0; deg < 360; deg += 0.25) {

for (float radius = start_radius; radius < end_radius; radius += 1) {

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

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

auto noise_value = ofNoise(glm::vec4(noise_location * 3, radius * 0.005, this->noise_param));

if (noise_value >= 0.4 && noise_value <= 0.6) {

ofSetColor(ofMap(abs(0.5 - noise_value), 0, 0.1, 255, 39));

ofDrawCircle(location, 1.5);

}

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 50;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::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/DoodleDeProgramming/tree/3be86d70e91e4805b2b1586e6d70644916c1b595

2026年1月3日

From circle.

[ Video ]

[ About ]
円から。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetCircleResolution(60);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float start_radius = 100;
	float end_radius = 600;

	ofFill();
	ofSetColor(239, 39, 39);
	for (float deg = 0; deg < 360; deg += 0.25) {

		for (float radius = start_radius; radius < end_radius; radius += 1) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec3(noise_location * 5, radius * 0.005 - ofGetFrameNum() * 0.05));

			if (noise_value > 0.43 && noise_value < 0.57) {

				ofDrawCircle(location, 4);
			}
		}
	}

	for (float deg = 0; deg < 360; deg += 0.5) {

		ofDrawCircle(glm::vec2((start_radius - 8) * cos(deg * DEG_TO_RAD), (start_radius - 8) * sin(deg * DEG_TO_RAD)), 3);
	}

	ofSetColor(39);
	for (float deg = 0; deg < 360; deg += 0.25) {

		for (float radius = start_radius; radius < end_radius; radius += 1) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec3(noise_location * 5, radius * 0.005 - ofGetFrameNum() * 0.05));

			if (noise_value > 0.43 && noise_value < 0.57) {

				ofDrawCircle(location, 2);
			}
		}
	}

	for (float deg = 0; deg < 360; deg += 0.5) {

		ofDrawCircle(glm::vec2((start_radius - 8) * cos(deg * DEG_TO_RAD), (start_radius - 8) * sin(deg * DEG_TO_RAD)), 1);
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 50;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetCircleResolution(60);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float start_radius = 100;

float end_radius = 600;

ofFill();

ofSetColor(239, 39, 39);

for (float deg = 0; deg < 360; deg += 0.25) {

for (float radius = start_radius; radius < end_radius; radius += 1) {

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

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

auto noise_value = ofNoise(glm::vec3(noise_location * 5, radius * 0.005 - ofGetFrameNum() * 0.05));

if (noise_value > 0.43 && noise_value < 0.57) {

ofDrawCircle(location, 4);

}

for (float deg = 0; deg < 360; deg += 0.5) {

ofDrawCircle(glm::vec2((start_radius - 8) * cos(deg * DEG_TO_RAD), (start_radius - 8) * sin(deg * DEG_TO_RAD)), 3);

}

ofSetColor(39);

for (float deg = 0; deg < 360; deg += 0.25) {

for (float radius = start_radius; radius < end_radius; radius += 1) {

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

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

auto noise_value = ofNoise(glm::vec3(noise_location * 5, radius * 0.005 - ofGetFrameNum() * 0.05));

if (noise_value > 0.43 && noise_value < 0.57) {

ofDrawCircle(location, 2);

}

for (float deg = 0; deg < 360; deg += 0.5) {

ofDrawCircle(glm::vec2((start_radius - 8) * cos(deg * DEG_TO_RAD), (start_radius - 8) * sin(deg * DEG_TO_RAD)), 1);

}

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 50;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::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/DoodleDeProgramming/tree/d44f3096648e4f2115892e627bd20a6b353c52cb

2026年1月2日2026年1月2日

HNY.

[ Video ]

[ About ]
ハッピー・ニュー・イヤー

[ 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> font_location_list;

	vector<glm::vec2> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_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 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> font_location_list;

vector<glm::vec2> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 250, true, true, true);

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

	auto word = "HNY";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) - 300);

	fbo.end();
	auto span = 2;
	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < 700; x += span) {

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

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

				this->font_location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.25, 0));
			}
		}
	}
}

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

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

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

	ofColor color;
	for (int i = 0; i < 30; i++) {

		int rnd_index = ofRandom(this->font_location_list.size());

		auto location = this->font_location_list[rnd_index];
		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(0.5);
		this->max_radius_list.push_back(13);
		color.setHsb(ofRandom(255), 180, 255);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		if (this->radius_list[i] < this->max_radius_list[i] * 0.5) {

			ofSetColor(this->color_list[i]);
		}
		else {

			ofSetColor(ofColor(this->color_list[i], ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0)));
		}

		ofNoFill();
		ofDrawCircle(this->location_list[i], this->radius_list[i]);

		ofFill();
		ofDrawCircle(this->location_list[i], this->radius_list[i] * 0.4);
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 50;
	if (ofGetFrameNum() > start) {

		std::ostringstream os;
		os << std::setw(4) << std::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);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 250, true, true, true);

ofFbo fbo;

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

fbo.begin();

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

ofClear(0);

ofSetColor(0);

auto word = "HNY";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) - 300);

fbo.end();

auto span = 2;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < 700; x += span) {

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

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

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

this->font_location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.25, 0));

}

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

void ofApp::update() {

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

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

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

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

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

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

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

}

ofColor color;

for (int i = 0; i < 30; i++) {

int rnd_index = ofRandom(this->font_location_list.size());

auto location = this->font_location_list[rnd_index];

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(0.5);

this->max_radius_list.push_back(13);

color.setHsb(ofRandom(255), 180, 255);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

if (this->radius_list[i] < this->max_radius_list[i] * 0.5) {

ofSetColor(this->color_list[i]);

}

else {

ofSetColor(ofColor(this->color_list[i], ofMap(this->radius_list[i], this->max_radius_list[i] * 0.5, this->max_radius_list[i], 255, 0)));

}

ofNoFill();

ofDrawCircle(this->location_list[i], this->radius_list[i]);

ofFill();

ofDrawCircle(this->location_list[i], this->radius_list[i] * 0.4);

}

// ffmpeg -i img_%04d.jpg aaa.mp4

int start = 50;

if (ofGetFrameNum() > start) {

std::ostringstream os;

os << std::setw(4) << std::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/DoodleDeProgramming/tree/cb6fb1b8140c21e7b3b0a3e99e95ec6d1b88ea0a

2026年1月
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