openFrameworks – ページ 405 – プログラミング de 落描き

2022年3月12日

Hiragana broom star. Draw by openFrameworks

[ Video ]

[ About ]
片仮名流れ星。

[ 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) {};

	ofTrueTypeFont font;
	int font_size;
	vector<string> words;

	vector<glm::vec2> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<ofColor> color_list;
	vector<glm::vec2> velocity_list;
	vector<int> word_index_list;

	vector<ofColor> color_palette;
};

#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) {};

ofTrueTypeFont font;

int font_size;

vector<string> words;

vector<glm::vec2> noise_seed_list;

vector<glm::vec2> location_list;

vector<ofColor> color_list;

vector<glm::vec2> velocity_list;

vector<int> word_index_list;

vector<ofColor> color_palette;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.5);

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

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}

	this->font_size = 30;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->words = {

		//u8"!", u8"#", u8"$", u8"%", u8"&",
		//u8"'", u8"(", u8")", u8"*", u8"+",
		//u8",", u8"-", u8".", u8"/", u8"0",
		//u8"1", u8"2", u8"3", u8"4", u8"5",
		//u8"6", u8"7", u8"8", u8"9", u8"0",
		//u8":", u8";", u8"<", u8"=", u8">",
		//u8"?", u8"@",

		//u8"A", u8"B", u8"C", u8"D", u8"E",
		//u8"F", u8"G", u8"H", u8"I", u8"J",
		//u8"K", u8"L", u8"M", u8"N", u8"O",
		//u8"P", u8"Q", u8"R", u8"S", u8"T",
		//u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

		//u8"a", u8"b", u8"c", u8"d", u8"e",
		//u8"f", u8"g", u8"h", u8"i", u8"j",
		//u8"k", u8"l", u8"m", u8"n", u8"o",
		//u8"p", u8"q", u8"r", u8"s", u8"t",
		//u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

		u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",
		u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",
		u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",
		u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",
		u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",
		u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",
		u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",
		u8"ﾔ", u8"ﾕ", u8"ﾖ",
		u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",
		u8"ﾜ", u8"ｦ", u8"ﾝ",
	};

	// 配色デザイン ソフトグリーン P114
	this->color_palette.push_back(ofColor(97, 157, 110));
	this->color_palette.push_back(ofColor(119, 180, 106));
	this->color_palette.push_back(ofColor(143, 173, 91));
	this->color_palette.push_back(ofColor(145, 195, 161));
	this->color_palette.push_back(ofColor(93, 169, 145));
	this->color_palette.push_back(ofColor(249, 229, 128));
	this->color_palette.push_back(ofColor(131, 193, 215));
	this->color_palette.push_back(ofColor(255, 255, 255));
}

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

	int index = 0;
	auto radius = ofMap(ofNoise(39,ofGetFrameNum() * 0.01), 0, 1, 100, 350);
	for (auto& noise_seed : this->noise_seed_list) {

		auto deg = ofGetFrameNum() * 3 + index * 180;
		auto next_deg = deg + 3;
	
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto next = glm::vec2(radius * cos(next_deg * DEG_TO_RAD), radius * sin(next_deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 1;

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

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));
			this->color_list.push_back(this->color_palette[ofRandom(1, this->color_palette.size())]);
			this->word_index_list.push_back(ofRandom(this->words.size()));
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;

		if (glm::distance(glm::vec2(), this->location_list[i]) > 720) {

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int index = 0;
	for (auto& location : this->location_list) {

		ofPushMatrix();
		ofTranslate(location);

		ofSetColor(this->color_list[index]);

		auto angle = std::atan2(location.y, location.x);
		ofRotate(angle * RAD_TO_DEG);

		this->font.drawString(this->words[this->word_index_list[index]], 0, 0);
	
		ofPopMatrix();


		index++;
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

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

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

this->font_size = 30;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->words = {

//u8"!", u8"#", u8"$", u8"%", u8"&",

//u8"'", u8"(", u8")", u8"*", u8"+",

//u8",", u8"-", u8".", u8"/", u8"0",

//u8"1", u8"2", u8"3", u8"4", u8"5",

//u8"6", u8"7", u8"8", u8"9", u8"0",

//u8":", u8";", u8"<", u8"=", u8">",

//u8"?", u8"@",

//u8"A", u8"B", u8"C", u8"D", u8"E",

//u8"F", u8"G", u8"H", u8"I", u8"J",

//u8"K", u8"L", u8"M", u8"N", u8"O",

//u8"P", u8"Q", u8"R", u8"S", u8"T",

//u8"U", u8"V", u8"W", u8"X", u8"Y", u8"Z",

//u8"a", u8"b", u8"c", u8"d", u8"e",

//u8"f", u8"g", u8"h", u8"i", u8"j",

//u8"k", u8"l", u8"m", u8"n", u8"o",

//u8"p", u8"q", u8"r", u8"s", u8"t",

//u8"u", u8"v", u8"w", u8"x", u8"y", u8"z",

u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",

u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",

u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",

u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",

u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",

u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",

u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",

u8"ﾔ", u8"ﾕ", u8"ﾖ",

u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",

u8"ﾜ", u8"ｦ", u8"ﾝ",

};

// 配色デザインソフトグリーン P114

this->color_palette.push_back(ofColor(97, 157, 110));

this->color_palette.push_back(ofColor(119, 180, 106));

this->color_palette.push_back(ofColor(143, 173, 91));

this->color_palette.push_back(ofColor(145, 195, 161));

this->color_palette.push_back(ofColor(93, 169, 145));

this->color_palette.push_back(ofColor(249, 229, 128));

this->color_palette.push_back(ofColor(131, 193, 215));

this->color_palette.push_back(ofColor(255, 255, 255));

}

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

void ofApp::update() {

int index = 0;

auto radius = ofMap(ofNoise(39,ofGetFrameNum() * 0.01), 0, 1, 100, 350);

for (auto& noise_seed : this->noise_seed_list) {

auto deg = ofGetFrameNum() * 3 + index * 180;

auto next_deg = deg + 3;

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

auto next = glm::vec2(radius * cos(next_deg * DEG_TO_RAD), radius * sin(next_deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 1;

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

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

this->color_list.push_back(this->color_palette[ofRandom(1, this->color_palette.size())]);

this->word_index_list.push_back(ofRandom(this->words.size()));

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (glm::distance(glm::vec2(), this->location_list[i]) > 720) {

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int index = 0;

for (auto& location : this->location_list) {

ofPushMatrix();

ofTranslate(location);

ofSetColor(this->color_list[index]);

auto angle = std::atan2(location.y, location.x);

ofRotate(angle * RAD_TO_DEG);

this->font.drawString(this->words[this->word_index_list[index]], 0, 0);

ofPopMatrix();

index++;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220312

2022年3月11日

Broom star. Draw by openFrameworks

[ Video ]

[ About ]
尾を引くほうき星。

[ 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> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_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> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.5);

	for (int i = 0; i < 3; i++) {

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}
}

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

	int index = 0;
	for (auto& noise_seed : this->noise_seed_list) {

		auto deg = ofGetFrameNum() * 2 + index * 120;
		auto next_deg = deg + 2;

		auto location = glm::vec2(250 * cos(deg * DEG_TO_RAD), 250 * sin(deg * DEG_TO_RAD));
		auto next = glm::vec2(250 * cos(next_deg * DEG_TO_RAD), 250 * sin(next_deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 1;

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

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;

		if (glm::distance(glm::vec2(), this->location_list[i]) > 720) {

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (auto& location : this->location_list) {

	
		for (auto& other : this->location_list) {

			if (location == other) continue;

			if (glm::distance(location, other) < 50) {

				ofDrawLine(location, other);
			}
		}
	}

	for (auto& location : this->location_list) {

		ofFill();
		ofSetColor(0);
		ofDrawCircle(location, 5);

		ofNoFill();
		ofSetColor(255);
		ofDrawCircle(location, 5);
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

for (int i = 0; i < 3; i++) {

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

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

void ofApp::update() {

int index = 0;

for (auto& noise_seed : this->noise_seed_list) {

auto deg = ofGetFrameNum() * 2 + index * 120;

auto next_deg = deg + 2;

auto location = glm::vec2(250 * cos(deg * DEG_TO_RAD), 250 * sin(deg * DEG_TO_RAD));

auto next = glm::vec2(250 * cos(next_deg * DEG_TO_RAD), 250 * sin(next_deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 1;

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

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (glm::distance(glm::vec2(), this->location_list[i]) > 720) {

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (auto& location : this->location_list) {

for (auto& other : this->location_list) {

if (location == other) continue;

if (glm::distance(location, other) < 50) {

ofDrawLine(location, other);

}

for (auto& location : this->location_list) {

ofFill();

ofSetColor(0);

ofDrawCircle(location, 5);

ofNoFill();

ofSetColor(255);

ofDrawCircle(location, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220311

2022年3月10日

Green wreath. Draw by openFrameworks

[ Video ]

[ About ]
alpha = ofMap(i, 0, 1500, 0, 255);

[ 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<ofColor> color_palette;
};

#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<ofColor> color_palette;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	
	// 配色デザイン ソフトグリーン P114
	this->color_palette.push_back(ofColor(97, 157, 110));
	this->color_palette.push_back(ofColor(119, 180, 106));
	this->color_palette.push_back(ofColor(143, 173, 91));
	this->color_palette.push_back(ofColor(145, 195, 161));
	this->color_palette.push_back(ofColor(93, 169, 145));
	this->color_palette.push_back(ofColor(249, 229, 128));
	this->color_palette.push_back(ofColor(131, 193, 215));
	this->color_palette.push_back(ofColor(255, 255, 255));
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int i = 0; i < 1500; i++) {

		auto radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, 200, 300);
		auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, -360, 360);
		auto x = radius * cos(deg * DEG_TO_RAD);
		auto y = radius * sin(deg * DEG_TO_RAD);
		auto size = ofRandom(3, 15);
		int color_index = ofRandom(this->color_palette.size());
		int line_index = (color_index + 1) % this->color_palette.size();

		auto color = this->color_palette[color_index];
		color.setHsb(color.getHue(), color.getSaturation(), ofMap(i, 0, 1500, 0, 255));
		auto line_color = this->color_palette[line_index];
		line_color.setHsb(line_color.getHue(), line_color.getSaturation(), ofMap(i, 0, 1000, 0, 255));

		ofFill();
		ofSetColor(color);
		ofDrawCircle(glm::vec2(x, y), size);

		ofNoFill();
		ofSetColor(line_color);
		ofDrawCircle(glm::vec2(x, y), size);
	}
}


//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

// 配色デザインソフトグリーン P114

this->color_palette.push_back(ofColor(97, 157, 110));

this->color_palette.push_back(ofColor(119, 180, 106));

this->color_palette.push_back(ofColor(143, 173, 91));

this->color_palette.push_back(ofColor(145, 195, 161));

this->color_palette.push_back(ofColor(93, 169, 145));

this->color_palette.push_back(ofColor(249, 229, 128));

this->color_palette.push_back(ofColor(131, 193, 215));

this->color_palette.push_back(ofColor(255, 255, 255));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int i = 0; i < 1500; i++) {

auto radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, 200, 300);

auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, -360, 360);

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

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

auto size = ofRandom(3, 15);

int color_index = ofRandom(this->color_palette.size());

int line_index = (color_index + 1) % this->color_palette.size();

auto color = this->color_palette[color_index];

color.setHsb(color.getHue(), color.getSaturation(), ofMap(i, 0, 1500, 0, 255));

auto line_color = this->color_palette[line_index];

line_color.setHsb(line_color.getHue(), line_color.getSaturation(), ofMap(i, 0, 1000, 0, 255));

ofFill();

ofSetColor(color);

ofDrawCircle(glm::vec2(x, y), size);

ofNoFill();

ofSetColor(line_color);

ofDrawCircle(glm::vec2(x, y), size);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220310

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