2025年5月 – ページ 9 – プログラミング de 落描き

2025年5月7日

neon collar.

[ Video ]

[ About ]
ネオンカラー。

[ 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) {};

	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);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);

	auto param = ofGetFrameNum() % 50;
	if (param > 12 && param < 38) {

		if (param < 25) {

			this->noise_param += ofMap(param, 12, 25, 0.0001, 0.015);
		}
		else if (param > 25) {

			this->noise_param += ofMap(param, 25, 38, 0.015, 0.0001);
		}
		else {

			this->noise_param += 0.0001;
		}
	}
	else {

		this->noise_param += 0.0001;
	}
}

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

	vector<glm::vec2> location_list;

	for (int i = 0; i < 200; i++) {

		location_list.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820),
			ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820)));
	}

	int span = 80;
	ofColor color;
	for (int i = 0; i < location_list.size(); i++) {

		float max_alpha = 0;
		color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255);
		for (int k = 0; k < location_list.size(); k++) {

			if (i == k) { continue; }

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < span) {

				vector<glm::vec2> vertices;
				auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);
				auto direction_deg = direction_rad * RAD_TO_DEG + 90;

				int radius = 3;
				for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

					vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

					vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);
				ofSetColor(color, alpha);
				ofNoFill();
				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);

				if (alpha > max_alpha) { max_alpha = alpha; }
			}
		}
	}

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

		float max_alpha = 0;
		color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255);
		for (int k = 0; k < location_list.size(); k++) {

			if (i == k) { continue; }

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < span) {

				vector<glm::vec2> vertices;
				auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);
				auto direction_deg = direction_rad * RAD_TO_DEG + 90;

				int radius = 1;
				for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

					vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

					vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);
				ofSetColor(255, alpha);
				ofFill();
				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);

				if (alpha > max_alpha) { max_alpha = alpha; }
			}
		}
	}

	/*
	int start = 300;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

auto param = ofGetFrameNum() % 50;

if (param > 12 && param < 38) {

if (param < 25) {

this->noise_param += ofMap(param, 12, 25, 0.0001, 0.015);

}

else if (param > 25) {

this->noise_param += ofMap(param, 25, 38, 0.015, 0.0001);

}

else {

this->noise_param += 0.0001;

}

else {

this->noise_param += 0.0001;

}

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

void ofApp::draw() {

vector<glm::vec2> location_list;

for (int i = 0; i < 200; i++) {

location_list.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820),

ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, -100, 820)));

}

int span = 80;

ofColor color;

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

float max_alpha = 0;

color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255);

for (int k = 0; k < location_list.size(); k++) {

if (i == k) { continue; }

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < span) {

vector<glm::vec2> vertices;

auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);

auto direction_deg = direction_rad * RAD_TO_DEG + 90;

int radius = 3;

for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);

ofSetColor(color, alpha);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (alpha > max_alpha) { max_alpha = alpha; }

}

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

float max_alpha = 0;

color.setHsb(ofMap(i, 0, 200, 0, 255), 255, 255);

for (int k = 0; k < location_list.size(); k++) {

if (i == k) { continue; }

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < span) {

vector<glm::vec2> vertices;

auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);

auto direction_deg = direction_rad * RAD_TO_DEG + 90;

int radius = 1;

for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);

ofSetColor(255, alpha);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (alpha > max_alpha) { max_alpha = alpha; }

}

int start = 300;

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/Insta20250507

2025年5月6日

Connective.

[ Video ]

[ About ]
接続

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	ofSeedRandom(39);
}

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

	vector<glm::vec2> location_list;

	for (int i = 0; i < 150; i++) {

		location_list.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -100, 820),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -100, 820)));
	}

	int span = 100;
	for (int i = 0; i < location_list.size(); i++) {

		float max_alpha = 0;
		for (int k = 0; k < location_list.size(); k++) {

			if (i == k) { continue; }

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < span) {

				vector<glm::vec2> vertices;
				auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);
				auto direction_deg = direction_rad * RAD_TO_DEG + 90;

				int radius = 4;
				for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

					vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

					vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);
				ofSetColor(255, 0, 0, alpha);
				ofFill();
				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);

				if (alpha > max_alpha) { max_alpha = alpha; }
			}
		}
	}

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

		float max_alpha = 0;
		for (int k = 0; k < location_list.size(); k++) {

			if (i == k) { continue; }

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < span) {

				vector<glm::vec2> vertices;
				auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);
				auto direction_deg = direction_rad * RAD_TO_DEG + 90;

				int radius = 2;
				for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

					vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

					vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
				}

				auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);
				ofSetColor(239, alpha);
				ofFill();
				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);

				if (alpha > max_alpha) { max_alpha = alpha; }
			}
		}
	}

	/*
	int start = 300;
	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(239);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<glm::vec2> location_list;

for (int i = 0; i < 150; i++) {

location_list.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -100, 820),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -100, 820)));

}

int span = 100;

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

float max_alpha = 0;

for (int k = 0; k < location_list.size(); k++) {

if (i == k) { continue; }

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < span) {

vector<glm::vec2> vertices;

auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);

auto direction_deg = direction_rad * RAD_TO_DEG + 90;

int radius = 4;

for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);

ofSetColor(255, 0, 0, alpha);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (alpha > max_alpha) { max_alpha = alpha; }

}

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

float max_alpha = 0;

for (int k = 0; k < location_list.size(); k++) {

if (i == k) { continue; }

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < span) {

vector<glm::vec2> vertices;

auto direction_rad = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x);

auto direction_deg = direction_rad * RAD_TO_DEG + 90;

int radius = 2;

for (int deg = direction_deg; deg <= direction_deg + 180; deg += 3) {

vertices.push_back(location_list[i] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = direction_deg + 180; deg <= direction_deg + 360; deg += 3) {

vertices.push_back(location_list[k] + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

auto alpha = distance < span * 0.6 ? 255 : ofMap(distance, span * 0.6, span * 0.85, 255, 0);

ofSetColor(239, alpha);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (alpha > max_alpha) { max_alpha = alpha; }

}

int start = 300;

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/Insta20250506

2025年5月5日

Intersection.

[ Video ]

[ About ]
交差点

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

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (int i = 0; i < 200; i++) {

		auto speed = ofRandom(1, 3);
		auto size = ofRandom(3, 15);
		auto noise_seed = ofRandom(1000);
		
		color.setHsb(ofRandom(255), 120, 255);

		for (int k = 0; k < 15; k++) {

			auto radius = ofMap(ofNoise(noise_seed, (ofGetFrameNum() + k) * 0.008), 0, 1, 180, 320);
			auto deg = noise_seed + (ofGetFrameNum() + k) * speed;

			auto next_radius = ofMap(ofNoise(noise_seed, (ofGetFrameNum() + k + 1) * 0.008), 0, 1, 180, 320);
			auto next_deg = noise_seed + (ofGetFrameNum() + k + 1) * speed;

			auto x = radius * cos(0.5 * deg * DEG_TO_RAD);
			auto y = radius * sin(deg * DEG_TO_RAD);

			auto next_x = next_radius * cos(0.5 * next_deg * DEG_TO_RAD);
			auto next_y = next_radius * sin(next_deg * DEG_TO_RAD);

			ofSetLineWidth(ofMap(k, 0, 15, 0.1, 2));
			ofSetColor(ofColor(color, ofMap(k, 0, 15, 0, 255)));
			ofDrawLine(x, y, next_x, next_y);
		}
	}

	/*
	int start = 300;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (int i = 0; i < 200; i++) {

auto speed = ofRandom(1, 3);

auto size = ofRandom(3, 15);

auto noise_seed = ofRandom(1000);

color.setHsb(ofRandom(255), 120, 255);

for (int k = 0; k < 15; k++) {

auto radius = ofMap(ofNoise(noise_seed, (ofGetFrameNum() + k) * 0.008), 0, 1, 180, 320);

auto deg = noise_seed + (ofGetFrameNum() + k) * speed;

auto next_radius = ofMap(ofNoise(noise_seed, (ofGetFrameNum() + k + 1) * 0.008), 0, 1, 180, 320);

auto next_deg = noise_seed + (ofGetFrameNum() + k + 1) * speed;

auto x = radius * cos(0.5 * deg * DEG_TO_RAD);

auto y = radius * sin(deg * DEG_TO_RAD);

auto next_x = next_radius * cos(0.5 * next_deg * DEG_TO_RAD);

auto next_y = next_radius * sin(next_deg * DEG_TO_RAD);

ofSetLineWidth(ofMap(k, 0, 15, 0.1, 2));

ofSetColor(ofColor(color, ofMap(k, 0, 15, 0, 255)));

ofDrawLine(x, y, next_x, next_y);

}

int start = 300;

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/Insta20250505

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