2025年12月 – プログラミング de 落描き

2025年12月6日

The gap.

[ Video ]

[ About ]
狭間。

[ 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(239);
	ofSetLineWidth(2);

	this->noise_param = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 50 < 40) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 40, 0.5, 0);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(39);
	for (int deg = 0; deg < 360; deg += 15) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -50);
		auto target_location = glm::vec2(0, -350);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		ofBeginShape();
		for (int d = 0; d <= len; d += 1) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 15) * 15) * 0.02 + this->noise_param), 0, 1, -20, 20);
			location += glm::vec2(noise_x * power, 0);

			ofVertex(location);
		}
		ofEndShape();

		ofPopMatrix();
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	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);

ofSetLineWidth(2);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 50 < 40) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 40, 0.5, 0);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(39);

for (int deg = 0; deg < 360; deg += 15) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -50);

auto target_location = glm::vec2(0, -350);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

ofBeginShape();

for (int d = 0; d <= len; d += 1) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 15) * 15) * 0.02 + this->noise_param), 0, 1, -20, 20);

location += glm::vec2(noise_x * power, 0);

ofVertex(location);

}

ofEndShape();

ofPopMatrix();

}

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

int start = 250;

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/ebd653db5b0e1b2fd2033bf1c623d17dbeb52a55

2025年12月5日

Step line.

[ Video ]

[ About ]
段差線。

[ 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(39);
	ofNoFill();
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(239);
	for (int deg = 0; deg < 360; deg += 15) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -50);
		auto target_location = glm::vec2(0, -350);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		ofBeginShape();
		for (int d = 0; d <= len; d += 1) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 15) * 15) * 0.02 + ofGetFrameNum() * 0.04), 0, 1, -25, 25);
			location += glm::vec2(noise_x * power, 0);

			ofVertex(location);
		}
		ofEndShape();

		ofPopMatrix();
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	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);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(239);

for (int deg = 0; deg < 360; deg += 15) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -50);

auto target_location = glm::vec2(0, -350);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

ofBeginShape();

for (int d = 0; d <= len; d += 1) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 15) * 15) * 0.02 + ofGetFrameNum() * 0.04), 0, 1, -25, 25);

location += glm::vec2(noise_x * power, 0);

ofVertex(location);

}

ofEndShape();

ofPopMatrix();

}

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

int start = 250;

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/249d98ea589ffe4a2b6517bfeff4a4ac43a910da

2025年12月4日

Bar chart.

[ Video ]

[ About ]
棒グラフ。

[ 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);
	ofNoFill();
	ofSetLineWidth(2);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(39);
	for (int deg = 90; deg < 360; deg += 180) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -10);
		auto target_location = glm::vec2(0, -360);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		ofBeginShape();
		for (int d = 0; d <= len; d += 1) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 10) * 10) * 0.02 + ofGetFrameNum() * 0.06), 0, 1, -350, 350);
			location += glm::vec2(noise_x * power, 0);

			ofVertex(location);
		}
		ofEndShape();

		ofPopMatrix();
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 250;
	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);

ofNoFill();

ofSetLineWidth(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(39);

for (int deg = 90; deg < 360; deg += 180) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -10);

auto target_location = glm::vec2(0, -360);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

ofBeginShape();

for (int d = 0; d <= len; d += 1) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.2 ? 1 : ofMap(gap, len * 0.2, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, (((int)location.y / 10) * 10) * 0.02 + ofGetFrameNum() * 0.06), 0, 1, -350, 350);

location += glm::vec2(noise_x * power, 0);

ofVertex(location);

}

ofEndShape();

ofPopMatrix();

}

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

int start = 250;

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/9eada7b990a81fe79c943202c88fcd1fcd23cc1e

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