junkiyoshi – ページ 3 – プログラミング de 落描き

2025年7月24日

Color rings.

[ Video ]

[ About ]
カラーアーク。

[ 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);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofColor color;
	for (int x = 90; x < ofGetWindowWidth(); x += 180) {

		for (int y = 90; y < ofGetWindowHeight(); y += 180) {

			ofPushMatrix();
			ofTranslate(x, y);
			
			for (int radius = 30; radius < 75; radius += 5) {

				ofMesh face;
				auto min_radius = radius - 10;
				color.setHsb(ofRandom(255), 130, 255);

				int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, 0, 360 + 180);
				int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -60, 240);

				auto deg_span = 2;
				for (int deg = start_deg; deg < start_deg + deg_len; deg += deg_span) {

					face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(min_radius * cos((deg + deg_span) * DEG_TO_RAD), min_radius * sin((deg + deg_span) * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(min_radius * cos(deg * DEG_TO_RAD), min_radius * sin(deg * DEG_TO_RAD), 0));
					
					face.addColor(ofColor(color, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(color, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(color, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(color, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

					face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 2);
					face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 4);
				}

				face.draw();
			}

			ofPopMatrix();
		}
	}

	/*
	int start = 50;
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofColor color;

for (int x = 90; x < ofGetWindowWidth(); x += 180) {

for (int y = 90; y < ofGetWindowHeight(); y += 180) {

ofPushMatrix();

ofTranslate(x, y);

for (int radius = 30; radius < 75; radius += 5) {

ofMesh face;

auto min_radius = radius - 10;

color.setHsb(ofRandom(255), 130, 255);

int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, 0, 360 + 180);

int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -60, 240);

auto deg_span = 2;

for (int deg = start_deg; deg < start_deg + deg_len; deg += deg_span) {

face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(min_radius * cos((deg + deg_span) * DEG_TO_RAD), min_radius * sin((deg + deg_span) * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(min_radius * cos(deg * DEG_TO_RAD), min_radius * sin(deg * DEG_TO_RAD), 0));

face.addColor(ofColor(color, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

face.addColor(ofColor(color, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));

face.addColor(ofColor(color, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 2);

face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 4);

}

face.draw();

}

ofPopMatrix();

}

int start = 50;

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/Insta20250724

2025年7月23日

Gradation arc.

[ Video ]

[ About ]
グラデーション円弧。

[ 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);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	for (int x = 90; x < ofGetWindowWidth(); x += 180) {

		for (int y = 90; y < ofGetWindowHeight(); y += 180) {

			ofPushMatrix();
			ofTranslate(x, y);

			for (int radius = 30; radius < 75; radius += 10) {

				ofMesh face;

				int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, 0, 360);
				int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -120, 240);

				auto deg_span = 2;
				for (int deg = start_deg; deg < start_deg + deg_len; deg += deg_span) {

					face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(15 * cos((deg + deg_span) * DEG_TO_RAD), 15 * sin((deg + deg_span) * DEG_TO_RAD), 0));
					face.addVertex(glm::vec3() + glm::vec3(15 * cos(deg * DEG_TO_RAD), 15 * sin(deg * DEG_TO_RAD), 0));
					
					face.addColor(ofColor(39, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(39, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(39, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));
					face.addColor(ofColor(39, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

					face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 2);
					face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 4);
				}

				face.draw();
			}

			ofPopMatrix();
		}
	}

	/*
	int start = 50;
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int x = 90; x < ofGetWindowWidth(); x += 180) {

for (int y = 90; y < ofGetWindowHeight(); y += 180) {

ofPushMatrix();

ofTranslate(x, y);

for (int radius = 30; radius < 75; radius += 10) {

ofMesh face;

int start_deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, 0, 360);

int deg_len = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -120, 240);

auto deg_span = 2;

for (int deg = start_deg; deg < start_deg + deg_len; deg += deg_span) {

face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(15 * cos((deg + deg_span) * DEG_TO_RAD), 15 * sin((deg + deg_span) * DEG_TO_RAD), 0));

face.addVertex(glm::vec3() + glm::vec3(15 * cos(deg * DEG_TO_RAD), 15 * sin(deg * DEG_TO_RAD), 0));

face.addColor(ofColor(39, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

face.addColor(ofColor(39, ofMap(deg + deg_span, start_deg, start_deg + deg_len, 0, 255)));

face.addColor(ofColor(39, ofMap(deg, start_deg, start_deg + deg_len, 0, 255)));

face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 2);

face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 4);

}

face.draw();

}

ofPopMatrix();

}

int start = 50;

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/Insta20250723

2025年7月22日

Draw alternately.

[ Video ]

[ About ]
交互に描く。

[ 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) {};

	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 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) {};

float noise_param;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 50 < 20) {

		this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.08, 0.00025);
	}
	else {

		this->noise_param += 0.0005;
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float max_radius = 720;
	float deg_span = 180;

	for (int i = 0; i < 2; i++) {

		i == 0 ?  ofSetColor(255, 139, 39) : ofSetColor(39, 139, 239);

		auto noise_seed = ofRandom(1000);
		for (float radius = 100 + i * 5; radius < max_radius; radius += 10) {

			for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

				float deg_param = ofMap(ofNoise(noise_seed, radius * 0.002 - this->noise_param), 0, 1, -360, 360);

				ofNoFill();
				ofBeginShape();
				for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.25; deg += 1) {

					ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				}
				ofEndShape(false);
			}
		}
	}

	/*
	int start = 225;
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(1.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 50 < 20) {

this->noise_param += ofMap(ofGetFrameNum() % 50, 0, 20, 0.08, 0.00025);

}

else {

this->noise_param += 0.0005;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float max_radius = 720;

float deg_span = 180;

for (int i = 0; i < 2; i++) {

i == 0 ? ofSetColor(255, 139, 39) : ofSetColor(39, 139, 239);

auto noise_seed = ofRandom(1000);

for (float radius = 100 + i * 5; radius < max_radius; radius += 10) {

for (float deg_start = 0; deg_start < 360; deg_start += deg_span) {

float deg_param = ofMap(ofNoise(noise_seed, radius * 0.002 - this->noise_param), 0, 1, -360, 360);

ofNoFill();

ofBeginShape();

for (float deg = deg_start + deg_param; deg < deg_start + deg_param + deg_span * 0.25; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(false);

}

int start = 225;

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/Insta20250722

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