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2021年11月10日2021年11月10日

Collection of broken spheres. Draw by openFrameworks

[ Video ]

[ About ]
球体を寄せ集め。
今日は外食で焼肉なので過去作の寄せ集め。

A collection of spheres.
I’m going out to dinner today, so this is a remix of past works.

[ 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) {};

	ofEasyCam cam;
	float noise_param;

	vector<glm::vec3> base_location_list;

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

	vector<ofMeshFace> triangle_list;
	ofMesh mesh, frame;
};

#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) {};

ofEasyCam cam;

float noise_param;

vector<glm::vec3> base_location_list;

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

int number_of_sphere;

vector<ofMeshFace> triangle_list;

ofMesh mesh, frame;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();

	this->noise_param = ofRandom(1000);

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

	this->number_of_sphere = 30;
	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, 110);

		auto radius = this->sphere_list.size() < 30 ? ofRandom(20, 50) : ofRandom(2, 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), 130, 230);

			auto size = (radius * 2) / sqrt(3);
			this->sphere_list.push_back(make_tuple(color, tmp_location, size));
		}
	}

	ico_sphere = ofIcoSpherePrimitive(300, 3);
	this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

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

	ofSeedRandom(39);

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

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

		auto color = get<0>(this->sphere_list[i]);
		auto location = get<1>(this->sphere_list[i]);
		auto radius = get<2>(this->sphere_list[i]) * 0.95;

		for (int k = 0; k < this->triangle_list.size(); k++) {

			glm::vec3 avg = (this->triangle_list[k].getVertex(0) + this->triangle_list[k].getVertex(1) + this->triangle_list[k].getVertex(2)) / 3;
			auto noise_value = ofNoise(glm::vec4(location * 0.1 + avg * 0.005, this->noise_param));

			if (noise_value < 0.5) {
			
				continue;
			}

			vector<glm::vec3> vertices;

			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(0)) * (radius + 2) - avg);
			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(1)) * (radius + 2) - avg);
			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(2)) * (radius + 2) - avg);

			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(0)) * (radius - 2) - avg);
			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(1)) * (radius - 2) - avg);
			vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(2)) * (radius - 2) - avg);

			for (auto& vertex : vertices) {

				vertex += avg + location;
			}

			this->mesh.addVertices(vertices);
			this->frame.addVertices(vertices);

			this->mesh.addColor(ofColor(255));
			this->mesh.addColor(ofColor(255));
			this->mesh.addColor(ofColor(255));

			this->mesh.addColor(color);
			this->mesh.addColor(color);
			this->mesh.addColor(color);

			this->frame.addColor(ofColor(0));
			this->frame.addColor(ofColor(0));
			this->frame.addColor(ofColor(0));

			this->frame.addColor(ofColor(255));
			this->frame.addColor(ofColor(255));
			this->frame.addColor(ofColor(255));

			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);
			this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6);

			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5);
			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4);

			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4);

			this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
			this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5);

			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
			this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

			this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);
			this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);
			this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
			this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);
			this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);
		}
	}

	if (ofGetFrameNum() % 60 < 30) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 30, 0.3, 0.001);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.66666666666666666);

	this->mesh.drawFaces();
	this->frame.drawWireframe();

	this->cam.end();
}

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

ofEnableDepthTest();

this->noise_param = ofRandom(1000);

auto ico_sphere = ofIcoSpherePrimitive(1, 5);

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

this->number_of_sphere = 30;

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, 110);

auto radius = this->sphere_list.size() < 30 ? ofRandom(20, 50) : ofRandom(2, 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), 130, 230);

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

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

}

ico_sphere = ofIcoSpherePrimitive(300, 3);

this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

this->frame.clear();

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

auto color = get<0>(this->sphere_list[i]);

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

auto radius = get<2>(this->sphere_list[i]) * 0.95;

for (int k = 0; k < this->triangle_list.size(); k++) {

glm::vec3 avg = (this->triangle_list[k].getVertex(0) + this->triangle_list[k].getVertex(1) + this->triangle_list[k].getVertex(2)) / 3;

auto noise_value = ofNoise(glm::vec4(location * 0.1 + avg * 0.005, this->noise_param));

if (noise_value < 0.5) {

continue;

}

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(0)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(1)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(2)) * (radius + 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(0)) * (radius - 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(1)) * (radius - 2) - avg);

vertices.push_back(glm::normalize(this->triangle_list[k].getVertex(2)) * (radius - 2) - avg);

for (auto& vertex : vertices) {

vertex += avg + location;

}

this->mesh.addVertices(vertices);

this->frame.addVertices(vertices);

this->mesh.addColor(ofColor(255));

this->mesh.addColor(color);

this->frame.addColor(ofColor(0));

this->frame.addColor(ofColor(255));

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);

this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4);

this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);

this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);

}

if (ofGetFrameNum() % 60 < 30) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 30, 0.3, 0.001);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.66666666666666666);

this->mesh.drawFaces();

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211110

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年11月9日2021年11月9日

Rain on sphere. Draw by openFrameworks

[ Video ]

[ About ]
glm::normalize(vertex) * lengthで球体上の座標にする。

Use glm::normalize(vertex) * length to make the coordinates on the sphere.

[ 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.2);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofNoFill();
	for (int k = 0; k < 150; k++) {

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

		auto location = glm::vec3(0, 0, 250);
		auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 180 - 100;

		if (radius < 0) {

			auto z = ofMap(radius, -100, 0, 1500, 0);

			ofSetColor(255);
			ofDrawLine(location + glm::vec3(0, 0, z), location + glm::vec3(0, 0, z + 40));
		}
		else {
						
			ofSetColor(255, radius > 25 ? ofMap(radius, 25, 80, 255, 0) : 255);
			
			ofBeginShape();
			for (int deg = 0; deg < 360; deg++) {

				auto vertex = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				vertex = glm::normalize(vertex) * 250;
				
				ofVertex(vertex);
			}
			ofEndShape(true);
		}

		ofPopMatrix();
	}

	ofFill();
	ofSetColor(0);
	ofDrawSphere(230);

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofNoFill();

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

ofPushMatrix();

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

auto location = glm::vec3(0, 0, 250);

auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 2) % 180 - 100;

if (radius < 0) {

auto z = ofMap(radius, -100, 0, 1500, 0);

ofSetColor(255);

ofDrawLine(location + glm::vec3(0, 0, z), location + glm::vec3(0, 0, z + 40));

}

else {

ofSetColor(255, radius > 25 ? ofMap(radius, 25, 80, 255, 0) : 255);

ofBeginShape();

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

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

vertex = glm::normalize(vertex) * 250;

ofVertex(vertex);

}

ofEndShape(true);

}

ofPopMatrix();

}

ofFill();

ofSetColor(0);

ofDrawSphere(230);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211109

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年11月8日2021年11月8日

Piece of sphere. Draw by openFrameworks

[ Video ]

[ About ]
球体の破片をノイズでサイズを変える。

Change the size of the sphere pieces with noise.

[ 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) {};

	ofEasyCam cam;

	vector<ofMeshFace> triangle_list;
	ofMesh mesh, frame;
};

#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) {};

ofEasyCam cam;

vector<ofMeshFace> triangle_list;

ofMesh mesh, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 3);
	this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

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

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

	int radius = 300;
	for (int i = 0; i < this->triangle_list.size(); i++) {

		glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.02, avg.x * 0.0025, avg.z * 0.0025);

		if (noise_value < 0.45) { noise_value = 0; }
		else if (noise_value > 0.55) { noise_value = 1; }
		else { noise_value = ofMap(noise_value, 0.45, 0.55, 0, 1); }

		vector<glm::vec3> vertices;

		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius + 5) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius + 5) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius + 5) - avg);

		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 5) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 5) - avg);
		vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 5) - avg);

		for (auto& vertex : vertices) {

			vertex *= noise_value;
			vertex += avg;
		}

		this->mesh.addVertices(vertices);
		this->frame.addVertices(vertices);

		this->mesh.addColor(ofColor(255));
		this->mesh.addColor(ofColor(255));
		this->mesh.addColor(ofColor(255));

		this->mesh.addColor(ofColor(0));
		this->mesh.addColor(ofColor(0));
		this->mesh.addColor(ofColor(0));

		this->frame.addColor(ofColor(0));
		this->frame.addColor(ofColor(0));
		this->frame.addColor(ofColor(0));

		this->frame.addColor(ofColor(255));
		this->frame.addColor(ofColor(255));
		this->frame.addColor(ofColor(255));

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 4, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 6);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 5);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 5, this->mesh.getNumVertices() - 4);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 4);

		this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3, this->mesh.getNumVertices() - 6);
		this->mesh.addTriangle(this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 6, this->mesh.getNumVertices() - 5);

		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

		this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);
		this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);
		this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);
		this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.6666666666666);

	ofSetColor(239);
	this->mesh.drawFaces();

	ofSetColor(39);
	this->frame.drawWireframe();

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 3);

this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

}

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

void ofApp::update() {

this->mesh.clear();

this->frame.clear();

int radius = 300;

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

glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;

auto noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.02, avg.x * 0.0025, avg.z * 0.0025);

if (noise_value < 0.45) { noise_value = 0; }

else if (noise_value > 0.55) { noise_value = 1; }

else { noise_value = ofMap(noise_value, 0.45, 0.55, 0, 1); }

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius + 5) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius + 5) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius + 5) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 5) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 5) - avg);

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 5) - avg);

for (auto& vertex : vertices) {

vertex *= noise_value;

vertex += avg;

}

this->mesh.addVertices(vertices);

this->frame.addVertices(vertices);

this->mesh.addColor(ofColor(255));

this->mesh.addColor(ofColor(0));