openFrameworks – プログラミング de 落描き

2025年10月22日

Transparent Wall.

[ Video ]

[ About ]
透明の壁。

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.77);

	auto target_deg = ofGetFrameNum() % 360;
	auto deg_span = 5;

	for (auto radius = 50; radius <= 300; radius += 50) {

		for (auto deg = 0; deg < 360; deg += deg_span) {

			auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			auto location_2 = glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0);
			auto len_1 = ofMap(ofNoise(glm::vec4(location_1 * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);
			auto len_2 = ofMap(ofNoise(glm::vec4(location_2 * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);

			vector<glm::vec3> vertices;
			vertices.push_back(location_1);
			vertices.push_back(location_2);
			vertices.push_back(location_2 + glm::vec3(0, 0, len_2));
			vertices.push_back(location_1 + glm::vec3(0, 0, len_1));

			ofFill();
			ofSetColor(39, 39, 239, 128);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39, 39, 239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 150;
	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);

ofSetLineWidth(2);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.77);

auto target_deg = ofGetFrameNum() % 360;

auto deg_span = 5;

for (auto radius = 50; radius <= 300; radius += 50) {

for (auto deg = 0; deg < 360; deg += deg_span) {

auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

auto location_2 = glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0);

auto len_1 = ofMap(ofNoise(glm::vec4(location_1 * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);

auto len_2 = ofMap(ofNoise(glm::vec4(location_2 * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);

vector<glm::vec3> vertices;

vertices.push_back(location_1);

vertices.push_back(location_2);

vertices.push_back(location_2 + glm::vec3(0, 0, len_2));

vertices.push_back(location_1 + glm::vec3(0, 0, len_1));

ofFill();

ofSetColor(39, 39, 239, 128);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39, 39, 239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

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

int start = 150;

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/a40e46d6ca67040462247a0f63c5ed5dca57e6ad

2025年10月21日

Line graph.

[ Video ]

[ About ]
線グラフ。

[ 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) {};

	ofEasyCam cam;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(0);
	ofNoFill();
	ofSetLineWidth(1.5);
}
//--------------------------------------------------------------
void ofApp::update() {

}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.77);

	int deg_span = 5;

	auto target_deg = ofGetFrameNum() % 360;
	for (int radius = 50; radius <= 250; radius += 200) {

		vector<glm::vec3> vertices, vertices_2;
		for (int deg = 0; deg < 360; deg += deg_span) {

			auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);
			auto len = ofMap(ofNoise(glm::vec4(location * 0.01, ofGetFrameNum() * 0.01)), 0, 1, -250, 250);

			auto location_2 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len);

			ofDrawLine(location, location_2);

			vertices.push_back(location);
			vertices_2.push_back(location_2);
		}

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(vertices_2);
		ofEndShape(true);
	}

	this->cam.end();

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 150;
	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(0);

ofNoFill();

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.77);

int deg_span = 5;

auto target_deg = ofGetFrameNum() % 360;

for (int radius = 50; radius <= 250; radius += 200) {

vector<glm::vec3> vertices, vertices_2;

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

auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0);

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

auto location_2 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len);

ofDrawLine(location, location_2);

vertices.push_back(location);

vertices_2.push_back(location_2);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape(true);

}

this->cam.end();

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

int start = 150;

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/15bc4662bd1f4bec49200afd5f3a43d0b8e2a308

2025年10月20日

Ring of particles.

[ Video ]

[ About ]
粒子の輪。

[ 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) {};

	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
	vector<float> speed_list;
	vector<float> life_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<float> speed_list;

vector<float> life_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

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

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

	ofColor color;
	for (int i = 0; i < 500; i++) {

		auto deg = ofRandom(360);
		auto location = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));

		this->location_list.push_back(location);

		auto next = glm::vec2(270 * cos((deg + 90) * DEG_TO_RAD), 270 * sin((deg + 90) * DEG_TO_RAD));
		this->velocity_list.push_back(next - location);

		color.setHsb(ofMap(deg, 0, 360, 0, 255), 200, 255);
		this->color_list.push_back(color);

		this->speed_list.push_back(ofRandom(2, 6));
		this->life_list.push_back(60);

	}

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

		auto fueture = glm::normalize(this->velocity_list[i]) * 45;
		auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.001)), 0, 1, -360, 360);
		fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));
		this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

		this->life_list[i] -= 1;

		if (this->life_list[i] < 0) {

			this->location_list.erase(this->location_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 60, 0, 255));
		ofDrawCircle(this->location_list[i], 3);
	}

	/*
	// ffmpeg -i img_%04d.jpg aaa.mp4
	int start = 150;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofColor color;

for (int i = 0; i < 500; i++) {

auto deg = ofRandom(360);

auto location = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));

this->location_list.push_back(location);

auto next = glm::vec2(270 * cos((deg + 90) * DEG_TO_RAD), 270 * sin((deg + 90) * DEG_TO_RAD));

this->velocity_list.push_back(next - location);

color.setHsb(ofMap(deg, 0, 360, 0, 255), 200, 255);

this->color_list.push_back(color);

this->speed_list.push_back(ofRandom(2, 6));

this->life_list.push_back(60);

}

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

auto fueture = glm::normalize(this->velocity_list[i]) * 45;

auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.001)), 0, 1, -360, 360);

fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));

this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 60, 0, 255));

ofDrawCircle(this->location_list[i], 3);

}

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

int start = 150;

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/a027ab1a34e9e8495e3887f9b3282923d70852a6

2025年10月
月	火	水	木	金	土	日
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31