2022年6月 – プログラミング de 落描き

2022年6月30日

Boxes font. Draw by openFrameworks

[ Video ]

[ About ]
ボックス文字。

Boxes font.

[ 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 setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	vector<glm::vec3> location_list;

	ofMesh face, line;
};

#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 setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

vector<glm::vec3> location_list;

ofMesh face, line;

};

#include "ofApp.h"

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

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

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

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 350, true, true, true);

	string word = "JK";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

	fbo.end();

	auto span = 15;

	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += span) {

		for (int y = 0; y < fbo.getHeight(); y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				for (int z = span * -25; z <= span * 25; z += span) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));
				}
			}
		}
	}

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

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

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

		this->setBoxToMesh(this->face, this->line, this->location_list[i], 15, 15, 15);
	}
}

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

	this->cam.begin();
	ofRotateY(335);

	ofSetColor(255);
	this->face.draw();

	ofSetColor(0);
	this->line.draw();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	int index = face_target.getVertices().size();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

	face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);
	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

	face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);
	face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

	auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(face_target.getVertices().back().z * 0.0008 + ofGetFrameNum() * 0.01), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(0, 0, 1));
	for (int i = index; i < face_target.getNumVertices(); i++) {
		
		glm::vec3 rotated_location = glm::vec4(face_target.getVertex(i), 0) * rotation;
		face_target.setVertex(i, rotated_location);

		rotated_location = glm::vec4(frame_target.getVertex(i), 0) * rotation;
		frame_target.setVertex(i, rotated_location);
	}
}

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

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofClear(0);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 350, true, true, true);

string word = "JK";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

fbo.end();

auto span = 15;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += span) {

for (int y = 0; y < fbo.getHeight(); y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

for (int z = span * -25; z <= span * 25; z += span) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetWidth() * 0.25, z));

}

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

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

this->setBoxToMesh(this->face, this->line, this->location_list[i], 15, 15, 15);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(335);

ofSetColor(255);

this->face.draw();

ofSetColor(0);

this->line.draw();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

int index = face_target.getVertices().size();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

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

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);

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

frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(face_target.getVertices().back().z * 0.0008 + ofGetFrameNum() * 0.01), 0, 1, PI * -2.5, PI * 2.5), glm::vec3(0, 0, 1));

for (int i = index; i < face_target.getNumVertices(); i++) {

glm::vec3 rotated_location = glm::vec4(face_target.getVertex(i), 0) * rotation;

face_target.setVertex(i, rotated_location);

rotated_location = glm::vec4(frame_target.getVertex(i), 0) * rotation;

frame_target.setVertex(i, rotated_location);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220630

2022年6月29日

Japan is extremely hot. Draw by openFrameworks

[ Video ]

[ About ]
日本は猛暑。

Japan is extremely hot.

[ 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;
	ofIcoSpherePrimitive ico_sphere;
	ofMesh mesh;

	float noise_value;
};

#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;

ofIcoSpherePrimitive ico_sphere;

ofMesh mesh;

float noise_value;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(150, 2);
	this->noise_value = ofRandom(1000);
}

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

	this->mesh.clear();
	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

	for (auto& triangle : triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.05, avg.y * 0.05, avg.z * 0.05, this->noise_value);

		float noise_radius = 150;
		noise_radius = ofMap(noise_value, 0, 1, 50, 350);

		int index = this->mesh.getNumVertices();

		this->mesh.addVertex(glm::normalize(avg) * (noise_radius + 100));
		this->mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);
		this->mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);
		this->mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

		this->mesh.addIndex(index + 0);
		this->mesh.addIndex(index + 1);
		this->mesh.addIndex(index + 2);

		this->mesh.addIndex(index + 0);
		this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 3);

		this->mesh.addIndex(index + 0);
		this->mesh.addIndex(index + 1);
		this->mesh.addIndex(index + 3);

		this->mesh.addIndex(index + 1);
		this->mesh.addIndex(index + 2);
		this->mesh.addIndex(index + 3);
	}

	if (ofGetFrameNum() % 120 < 60) {

		this->noise_value += ofMap(ofGetFrameNum() % 120, 0, 60, 0, 0.2);
	}
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.43);
	ofRotateY(ofGetFrameNum() * 0.65);

	ofSetColor(235, 97, 1);
	this->mesh.drawFaces();

	ofSetColor(255);
	this->mesh.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(150, 2);

this->noise_value = ofRandom(1000);

}

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

void ofApp::update() {

this->mesh.clear();

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(avg.x * 0.05, avg.y * 0.05, avg.z * 0.05, this->noise_value);

float noise_radius = 150;

noise_radius = ofMap(noise_value, 0, 1, 50, 350);

int index = this->mesh.getNumVertices();

this->mesh.addVertex(glm::normalize(avg) * (noise_radius + 100));

this->mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);

this->mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);

this->mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

this->mesh.addIndex(index + 0);

this->mesh.addIndex(index + 1);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 0);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 3);

this->mesh.addIndex(index + 0);

this->mesh.addIndex(index + 1);

this->mesh.addIndex(index + 3);

this->mesh.addIndex(index + 1);

this->mesh.addIndex(index + 2);

this->mesh.addIndex(index + 3);

}

if (ofGetFrameNum() % 120 < 60) {

this->noise_value += ofMap(ofGetFrameNum() % 120, 0, 60, 0, 0.2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.43);

ofRotateY(ofGetFrameNum() * 0.65);

ofSetColor(235, 97, 1);

this->mesh.drawFaces();

ofSetColor(255);

this->mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220629

2022年6月28日

open the triangular pyramid. Draw by openFrameworks

[ Video ]

[ About ]
三角錐を開く。

open the triangular pyramid.

[ 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;
};

#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;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int x = -300; x <= 300; x += 300) {

		for (int y = -300; y <= 300; y += 300) {

			ofPushMatrix();
			ofTranslate(x, y);
			
			ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));
			ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));
			ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

			ofMesh mesh;
			auto param = 30;
			glm::vec3 avg;
			float noise_value;

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec4(param, param, param, 0));
			vertices.push_back(glm::vec4(param, -param, -param, 0));
			vertices.push_back(glm::vec4(-param, param, -param, 0));
			vertices.push_back(glm::vec4(-param, -param, param, 0));

			avg = (vertices[0] + vertices[1] + vertices[2]) / 3;
			noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));
			noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

			mesh.addVertex(vertices[0] + avg * noise_value);
			mesh.addVertex(vertices[1] + avg * noise_value);
			mesh.addVertex(vertices[2] + avg * noise_value);

			ofDrawLine(glm::vec3(), avg + avg * noise_value);

			avg = (vertices[0] + vertices[1] + vertices[3]) / 3;
			noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));
			noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

			mesh.addVertex(vertices[0] + avg * noise_value);
			mesh.addVertex(vertices[1] + avg * noise_value);
			mesh.addVertex(vertices[3] + avg * noise_value);

			ofDrawLine(glm::vec3(), avg + avg * noise_value);

			avg = (vertices[0] + vertices[2] + vertices[3]) / 3;
			noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));
			noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

			mesh.addVertex(vertices[0] + avg * noise_value);
			mesh.addVertex(vertices[2] + avg * noise_value);
			mesh.addVertex(vertices[3] + avg * noise_value);

			ofDrawLine(glm::vec3(), avg + avg * noise_value);

			avg = (vertices[1] + vertices[2] + vertices[3]) / 3;
			noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));
			noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

			mesh.addVertex(vertices[1] + avg * noise_value);
			mesh.addVertex(vertices[2] + avg * noise_value);
			mesh.addVertex(vertices[3] + avg * noise_value);

			ofDrawLine(glm::vec3(), avg + avg * noise_value);

			ofSetColor(255);
			mesh.drawFaces();

			ofSetColor(0);
			mesh.drawWireframe();

			for (auto& vertex : mesh.getVertices()) {

				ofDrawSphere(vertex, 5);
			}
			ofDrawSphere(glm::vec3(), 5);

			ofPopMatrix();
		}
	}

	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();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int x = -300; x <= 300; x += 300) {

for (int y = -300; y <= 300; y += 300) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateZ(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofRotateY(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofRotateX(ofRandom(360) + ofGetFrameNum() * ofRandom(1, 3));

ofMesh mesh;

auto param = 30;

glm::vec3 avg;

float noise_value;

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(param, param, param, 0));

vertices.push_back(glm::vec4(param, -param, -param, 0));

vertices.push_back(glm::vec4(-param, param, -param, 0));

vertices.push_back(glm::vec4(-param, -param, param, 0));

avg = (vertices[0] + vertices[1] + vertices[2]) / 3;

noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));

noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

mesh.addVertex(vertices[0] + avg * noise_value);

mesh.addVertex(vertices[1] + avg * noise_value);

mesh.addVertex(vertices[2] + avg * noise_value);

ofDrawLine(glm::vec3(), avg + avg * noise_value);

avg = (vertices[0] + vertices[1] + vertices[3]) / 3;

noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));

noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

mesh.addVertex(vertices[0] + avg * noise_value);

mesh.addVertex(vertices[1] + avg * noise_value);

mesh.addVertex(vertices[3] + avg * noise_value);

ofDrawLine(glm::vec3(), avg + avg * noise_value);

avg = (vertices[0] + vertices[2] + vertices[3]) / 3;

noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));

noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

mesh.addVertex(vertices[0] + avg * noise_value);

mesh.addVertex(vertices[2] + avg * noise_value);

mesh.addVertex(vertices[3] + avg * noise_value);

ofDrawLine(glm::vec3(), avg + avg * noise_value);

avg = (vertices[1] + vertices[2] + vertices[3]) / 3;

noise_value = ofNoise(glm::vec4(avg * 0.005 + glm::vec3(x, y, 0), ofGetFrameNum() * 0.02));

noise_value = noise_value < 0.5 ? 0 : ofMap(noise_value, 0.5, 1, 0, 10);

mesh.addVertex(vertices[1] + avg * noise_value);

mesh.addVertex(vertices[2] + avg * noise_value);

mesh.addVertex(vertices[3] + avg * noise_value);

ofDrawLine(glm::vec3(), avg + avg * noise_value);

ofSetColor(255);

mesh.drawFaces();

ofSetColor(0);

mesh.drawWireframe();

for (auto& vertex : mesh.getVertices()) {

ofDrawSphere(vertex, 5);

}

ofDrawSphere(glm::vec3(), 5);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220628

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