noise – ページ 80 – プログラミング de 落描き

2022年9月2日

Circles tornado. Draw by openFrameworks

[ Video ]

[ About ]
円を回転させる。

[ 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 random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(0);
	ofSetColor(255);
	ofNoFill();
	ofSetCircleResolution(72);

	this->random_seed = ofRandom(1000);
}

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

	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 70);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	int count = 0;
	while (true) {

		auto all = true;

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

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

				if (i == k) { continue; }

				if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

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

		ofPushMatrix();
		ofTranslate(location_list[i]);

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int radius = 8; radius <= radius_list[i]; radius += 4) {
		
			auto noise_param = glm::vec3(
				ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

			ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);
			ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);
			ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

			ofDrawCircle(glm::vec2(), radius);
		}

		ofPopMatrix();
	}

	ofPopMatrix();

}


//--------------------------------------------------------------
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);

ofSetColor(255);

ofNoFill();

ofSetCircleResolution(72);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 70);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

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

ofPushMatrix();

ofTranslate(location_list[i]);

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int radius = 8; radius <= radius_list[i]; radius += 4) {

auto noise_param = glm::vec3(

ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);

ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);

ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

ofDrawCircle(glm::vec2(), radius);

}

ofPopMatrix();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220902

2022年8月31日

Adjacent circles. Draw by openFrameworks

[ Video ]

[ About ]
隣接する円。

[ 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 random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofSetColor(0);
	ofNoFill();
	ofSetLineWidth(2);
	ofSetCircleResolution(72);
	this->random_seed = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 60 < 5) {

		this->random_seed = ofRandom(1000);
	}
	
	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 70);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	int count = 0;
	while (true) {

		auto all = true;

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

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

				if (i == k) { continue; }
				                
				if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

	for (int i = 0; i < location_list.size(); i++) {
	
		auto param = ofGetFrameNum() % 60 < 5 ? 0.2 : ofGetFrameNum() % 60 < 15 ? ofMap(ofGetFrameNum() % 60, 5, 15, 0.2, 1) : 1;

		ofDrawCircle(location_list[i], radius_list[i] * param);
	}

	ofPopMatrix();

}


//--------------------------------------------------------------
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(255);

ofSetColor(0);

ofNoFill();

ofSetLineWidth(2);

ofSetCircleResolution(72);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 60 < 5) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 70);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

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

auto param = ofGetFrameNum() % 60 < 5 ? 0.2 : ofGetFrameNum() % 60 < 15 ? ofMap(ofGetFrameNum() % 60, 5, 15, 0.2, 1) : 1;

ofDrawCircle(location_list[i], radius_list[i] * param);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220831

2022年8月30日

Ameba packing. Draw by openFrameworks

[ Video ]

[ About ]
アメーバを敷き詰める。

[ 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) {};

	void draw_circle_packing(glm::vec2, float, vector<ofColor>);

	ofEasyCam cam;

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

void draw_circle_packing(glm::vec2, float, vector<ofColor>);

ofEasyCam cam;

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofNoFill();

	this->random_seed = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 90 < 5) {

		this->random_seed = ofRandom(1000);
	}
	
	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 80);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i]) * 0.85) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);

			ofPushMatrix();
			ofTranslate(location);

			int color_index = ofRandom(color_palette.size());

			ofFill();
			ofSetColor(color_palette[color_index], 64);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005);
				ofVertex(radius * noise_value * cos(deg * DEG_TO_RAD), radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color_palette[color_index]);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005);
				ofVertex(radius * noise_value * cos(deg * DEG_TO_RAD), radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofPopMatrix();
		}

	}

	ofPopMatrix();

}

//--------------------------------------------------------------
void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

	auto number_of_sphere = radius * 0.8;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto tmp_deg = ofRandom(0, 360);
		auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);
		auto tmp_location_radius = ofRandom(1, noise_radius);

		auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));
		auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

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

			if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(tmp_location);
			radius_list.push_back(tmp_radius);

			ofPushMatrix();
			ofTranslate(tmp_location);

			int color_index = ofRandom(color_palette.size());

			ofFill();
			ofSetColor(color_palette[color_index], 100);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color_palette[color_index]);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
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);

ofNoFill();

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 90 < 5) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 80);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i]) * 0.85) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

ofPushMatrix();

ofTranslate(location);

int color_index = ofRandom(color_palette.size());

ofFill();

ofSetColor(color_palette[color_index], 64);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005);

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

}

ofEndShape(true);

ofNoFill();

ofSetColor(color_palette[color_index]);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005);

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

}

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

}

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

void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

auto number_of_sphere = radius * 0.8;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto tmp_deg = ofRandom(0, 360);

auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);

auto tmp_location_radius = ofRandom(1, noise_radius);

auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));

auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

bool flag = true;

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

if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

flag = false;

break;

}

if (flag) {

location_list.push_back(tmp_location);

radius_list.push_back(tmp_radius);

ofPushMatrix();

ofTranslate(tmp_location);

int color_index = ofRandom(color_palette.size());

ofFill();

ofSetColor(color_palette[color_index], 100);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofNoFill();

ofSetColor(color_palette[color_index]);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220830

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