sphere – ページ 17 – プログラミング de 落描き

2022年3月9日

Hexagon by random walkers. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークで浮かび上がる球体状の六角形。

Spherical hexagons emerging on a random walk.

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 getLocation();
	deque<glm::vec3> getLog();
	void setColor(ofColor color);
	ofColor getColor();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	deque<glm::vec3> log;
	ofColor color;
};

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::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 getLocation();

deque<glm::vec3> getLog();

void setColor(ofColor color);

ofColor getColor();

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

ofColor color;

};

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::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

ofEasyCam cam;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	if (ofGetFrameNum() % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 60) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

//--------------------------------------------------------------
void Actor::setColor(ofColor color) {

	this->color = color;
}

//--------------------------------------------------------------
ofColor Actor::getColor() {

	return this->color;
}


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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofEnableDepthTest();

	ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(300, 3);
	vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		this->location_list.push_back(average);
	}

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

		vector<int> next_index = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= 30) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	vector<ofColor> color_palette;
	// 配色デザイン ビビットパープル P168
	color_palette.push_back(ofColor(109, 23, 129));
	color_palette.push_back(ofColor(75, 83, 158));
	color_palette.push_back(ofColor(132, 93, 159));
	color_palette.push_back(ofColor(66, 35, 128));
	color_palette.push_back(ofColor(200, 64, 114));
	color_palette.push_back(ofColor(0, 160, 158));
	color_palette.push_back(ofColor(215, 130, 63));
	//color_palette.push_back(ofColor(0, 0, 0));

	for (int i = 0; i < 1000; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
		this->actor_list.back()->setColor(color_palette[(int)ofRandom(color_palette.size())]);
	}
}

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

	int frame_span = 10;
	int prev_index_size = 0;

	if (ofGetFrameNum() % frame_span == 0) {

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.4);
	ofRotateX(ofGetFrameNum() * 0.4);

	ofFill();
	ofSetColor(0);
	ofDrawSphere(297);

	ofSetLineWidth(3);
	for (auto& actor : this->actor_list) {

		ofSetColor(actor->getColor());

		ofFill();
		ofDrawSphere(actor->getLocation(), 3);

		ofNoFill();

		ofBeginShape();
		for (auto& l : actor->getLog()) {

			ofVertex(l);
		}
		ofEndShape();
	}

	this->cam.end();
}


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

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

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

if (ofGetFrameNum() % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

this->log.push_front(this->location);

while (this->log.size() > 60) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

void Actor::setColor(ofColor color) {

this->color = color;

}

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

ofColor Actor::getColor() {

return this->color;

}

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofEnableDepthTest();

ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(300, 3);

vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

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

ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

this->location_list.push_back(average);

}

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

vector<int> next_index = vector<int>();

int index = -1;

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

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= 30) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

vector<ofColor> color_palette;

// 配色デザインビビットパープル P168

color_palette.push_back(ofColor(109, 23, 129));

color_palette.push_back(ofColor(75, 83, 158));

color_palette.push_back(ofColor(132, 93, 159));

color_palette.push_back(ofColor(66, 35, 128));

color_palette.push_back(ofColor(200, 64, 114));

color_palette.push_back(ofColor(0, 160, 158));

color_palette.push_back(ofColor(215, 130, 63));

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

for (int i = 0; i < 1000; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

this->actor_list.back()->setColor(color_palette[(int)ofRandom(color_palette.size())]);

}

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

void ofApp::update() {

int frame_span = 10;

int prev_index_size = 0;

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.4);

ofRotateX(ofGetFrameNum() * 0.4);

ofFill();

ofSetColor(0);

ofDrawSphere(297);

ofSetLineWidth(3);

for (auto& actor : this->actor_list) {

ofSetColor(actor->getColor());

ofFill();

ofDrawSphere(actor->getLocation(), 3);

ofNoFill();

ofBeginShape();

for (auto& l : actor->getLog()) {

ofVertex(l);

}

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220309

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2022年2月23日

Number drops. Draw by openFrameworks

[ Video ]

[ About ]
座標をNormalizeして球体状にする。

Normalize the coordinates to make a spherical shape.

[ 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;

	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) {};

ofTrueTypeFont font;

int font_size;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * -1.5);

	string word = "0123456789";
	int sample_count = 300;

	for(int i = 0; i < 60; i++) {

		int word_index = ofRandom(word.size());
		auto radius = 200 + i - 30;
		glm::vec3 base_location = glm::vec3(0, (int)(ofRandom(600) + ofGetFrameNum() * ofRandom(3, 8)) % 600 - 300, 90);
		auto rotation_y = glm::rotate(glm::mat4(), ofRandom(-PI, PI), glm::vec3(0, 1, 0));

		ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

		ofFill();
		ofSetColor(0);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);
				location.x *= -1;
				location = glm::vec4(base_location + location, 0) * rotation_y;
				location = glm::normalize(location) * radius;
				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(255);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);
				location.x *= -1;
				location = glm::vec4(base_location + location, 0) * rotation_y;
				location = glm::normalize(location) * radius;
				ofVertex(location);
			}
		}
		ofEndShape(true);
	}

	this->cam.end();
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font_size = 80;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * -1.5);

string word = "0123456789";

int sample_count = 300;

for(int i = 0; i < 60; i++) {

int word_index = ofRandom(word.size());

auto radius = 200 + i - 30;

glm::vec3 base_location = glm::vec3(0, (int)(ofRandom(600) + ofGetFrameNum() * ofRandom(3, 8)) % 600 - 300, 90);

auto rotation_y = glm::rotate(glm::mat4(), ofRandom(-PI, PI), glm::vec3(0, 1, 0));

ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(0);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);

location.x *= -1;

location = glm::vec4(base_location + location, 0) * rotation_y;

location = glm::normalize(location) * radius;

ofVertex(location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * 0.5, 0);

location.x *= -1;

location = glm::vec4(base_location + location, 0) * rotation_y;

location = glm::normalize(location) * radius;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220223

[ほしいものリスト]
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2022年2月19日

Vivid Red. Draw by openFrameworks

[ Video ]

[ About ]
配色デザインインスピレーションブックⅢという本を購入して参照しました。

Vivid Red.

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, ofColor face_color, ofColor frame_color);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> base_location_list;
	
	vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size
	int number_of_sphere;

	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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> base_location_list;

vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size

int number_of_sphere;

vector<ofColor> color_palette;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(1, 5);
	this->base_location_list = ico_sphere.getMesh().getVertices();

	this->number_of_sphere = 800;
	while (this->sphere_list.size() < this->number_of_sphere) {

		int index = ofRandom(this->base_location_list.size());
		auto tmp_location = this->base_location_list[index];
		tmp_location = glm::normalize(tmp_location) * ofRandom(0, 95);

		auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(3, 20);

		bool flag = true;
		for (int i = 0; i < this->sphere_list.size(); i++) {

			if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

				flag = false;
				break;
			}
		}

		if (flag) {

			ofColor color;
			color.setHsb(ofRandom(255), 200, 255);
			auto size = (radius * 2) / sqrt(3);

			this->sphere_list.push_back(make_tuple(color, tmp_location, size));
		}
	}

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	// 配色デザイン ビビッドレッド P038
	this->color_palette.push_back(ofColor(197, 0, 24));
	this->color_palette.push_back(ofColor(184, 12, 65));
	this->color_palette.push_back(ofColor(206, 97, 110));
	this->color_palette.push_back(ofColor(204, 85, 68));
	this->color_palette.push_back(ofColor(190, 145, 176));
	this->color_palette.push_back(ofColor(215, 130, 63));
	this->color_palette.push_back(ofColor(255, 241, 51));
	this->color_palette.push_back(ofColor(107, 182, 187));
}

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

	ofSeedRandom(39);
}

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

	this->face.clear();
	this->frame.clear();

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.3333333333333333333);

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

		auto location = get<1>(this->sphere_list[i]);
		auto size = get<2>(this->sphere_list[i]);

		ofPushMatrix();
		ofTranslate(location);

		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		int sphere_color_index = ofRandom(this->color_palette.size());
		int face_color_index = (sphere_color_index + 1) % this->color_palette.size();
		int frame_color_index = (face_color_index + 1) % this->color_palette.size();

		ofSetColor(this->color_palette[sphere_color_index]);
		ofDrawSphere(size * 0.45);

		this->setRingToMesh(this->face, this->frame, location, size * 0.5, size * 0.2, this->color_palette[face_color_index], this->color_palette[frame_color_index]);

		ofPopMatrix();
	}

	this->face.draw();
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, ofColor face_color, ofColor frame_color) {

	int index = face_target.getNumVertices();

	for (int deg = 0; deg < 360; deg += 10) {

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			auto noise_value_x = ofNoise(
				location.x, radius * 0.0008 + ofGetFrameNum() * 0.005);
			auto noise_value_y = ofNoise(
				location.y, radius * 0.0008 + ofGetFrameNum() * 0.005);
			auto noise_value_z = ofNoise(
				location.z, radius * 0.0008 + ofGetFrameNum() * 0.005);

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(noise_value_x, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(noise_value_y, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value_z, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(0, 0, 1));

			vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);
		}

		auto face_index = face_target.getNumVertices();
		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		auto frame_index = frame_target.getNumVertices();
		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

//--------------------------------------------------------------
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(3);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(1, 5);

this->base_location_list = ico_sphere.getMesh().getVertices();

this->number_of_sphere = 800;

while (this->sphere_list.size() < this->number_of_sphere) {

int index = ofRandom(this->base_location_list.size());

auto tmp_location = this->base_location_list[index];

tmp_location = glm::normalize(tmp_location) * ofRandom(0, 95);

auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(3, 20);

bool flag = true;

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

if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) {

flag = false;

break;

}

if (flag) {

ofColor color;

color.setHsb(ofRandom(255), 200, 255);

auto size = (radius * 2) / sqrt(3);

this->sphere_list.push_back(make_tuple(color, tmp_location, size));

}

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

// 配色デザインビビッドレッド P038

this->color_palette.push_back(ofColor(197, 0, 24));

this->color_palette.push_back(ofColor(184, 12, 65));

this->color_palette.push_back(ofColor(206, 97, 110));

this->color_palette.push_back(ofColor(204, 85, 68));

this->color_palette.push_back(ofColor(190, 145, 176));

this->color_palette.push_back(ofColor(215, 130, 63));

this->color_palette.push_back(ofColor(255, 241, 51));

this->color_palette.push_back(ofColor(107, 182, 187));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->face.clear();

this->frame.clear();

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.3333333333333333333);

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

auto location = get<1>(this->sphere_list[i]);

auto size = get<2>(this->sphere_list[i]);

ofPushMatrix();

ofTranslate(location);

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

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

int face_color_index = (sphere_color_index + 1) % this->color_palette.size();

int frame_color_index = (face_color_index + 1) % this->color_palette.size();

ofSetColor(this->color_palette[sphere_color_index]);

ofDrawSphere(size * 0.45);

this->setRingToMesh(this->face, this->frame, location, size * 0.5, size * 0.2, this->color_palette[face_color_index], this->color_palette[frame_color_index]);

ofPopMatrix();

}

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, ofColor face_color, ofColor frame_color) {

int index = face_target.getNumVertices();

for (int deg = 0; deg < 360; deg += 10) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

for (auto& vertex : vertices) {

auto noise_value_x = ofNoise(

location.x, radius * 0.0008 + ofGetFrameNum() * 0.005);

auto noise_value_y = ofNoise(

location.y, radius * 0.0008 + ofGetFrameNum() * 0.005);

auto noise_value_z = ofNoise(

location.z, radius * 0.0008 + ofGetFrameNum() * 0.005);

auto rotation_x = glm::rotate(glm::mat4(), ofMap(noise_value_x, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(noise_value_y, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(noise_value_z, 0, 1, -PI * 2.5, PI * 2.5), glm::vec3(0, 0, 1));

vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);

}

auto face_index = face_target.getNumVertices();

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220219

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