2024年1月 – ページ 2 – プログラミング de 落描き

2024年1月28日

Gather.

[ Video ]

[ About ]
集約する。

[ Source ]

#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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
}

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

	this->mesh.clear();

	ofSeedRandom(39);

	float span = 0.5;
	ofColor color;
	for (int i = 0; i < 5; i++)	{

		auto noise_seed = ofRandom(1000);
		for (float x = 30; x < 690; x += span) {

			for (float y = 30; y < 690; y += span) {

				float noise_value = ofNoise(noise_seed, x * 0.005, y * 0.005, glm::distance(glm::vec2(360, 360), glm::vec2(x, y)) * 0.01 + ofGetFrameNum() * 0.03);
				if (noise_value > 0.55 && noise_value < 0.65) {


					this->mesh.addVertex(glm::vec3(x, y, 0));
					this->mesh.addVertex(glm::vec3(x + span, y, 0));
					this->mesh.addVertex(glm::vec3(x + span, y + span, 0));
					this->mesh.addVertex(glm::vec3(x, y + span, 0));

					this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3);
					this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3);

					color.setHsb(ofMap(i, 0, 5, 0, 255), 255, 255);
					for (int i = 0; i < 4; i++) {

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

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

	this->mesh.draw();

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

}

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

void ofApp::update() {

this->mesh.clear();

ofSeedRandom(39);

float span = 0.5;

ofColor color;

for (int i = 0; i < 5; i++) {

auto noise_seed = ofRandom(1000);

for (float x = 30; x < 690; x += span) {

for (float y = 30; y < 690; y += span) {

float noise_value = ofNoise(noise_seed, x * 0.005, y * 0.005, glm::distance(glm::vec2(360, 360), glm::vec2(x, y)) * 0.01 + ofGetFrameNum() * 0.03);

if (noise_value > 0.55 && noise_value < 0.65) {

this->mesh.addVertex(glm::vec3(x, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y, 0));

this->mesh.addVertex(glm::vec3(x + span, y + span, 0));

this->mesh.addVertex(glm::vec3(x, y + span, 0));

this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3);

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

color.setHsb(ofMap(i, 0, 5, 0, 255), 255, 255);

for (int i = 0; i < 4; i++) {

this->mesh.addColor(color);

}

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

void ofApp::draw() {

this->mesh.draw();

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240128

2024年1月27日

holesy.

[ Video ]

[ About ]
穴だらけ。

[ 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;
	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) {};

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableDepthTest();

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

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

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

	float phi_deg_step = 0.2;
	float theta_deg_step = 0.2;
	float noise_threshold = 0.4;
	
	ofColor face_color;
	ofColor line_color = ofColor(255);

	for(float radius = 230; radius >= 200; radius -= 5){

		face_color.setHsb(0, 200, ofMap(radius, 230, 180, 255, 0));

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					cos(phi_deg * DEG_TO_RAD) * 4,
					sin(phi_deg * DEG_TO_RAD) * 4,
					cos(theta_deg * DEG_TO_RAD) * 4,
					radius * 0.01 + ofGetFrameNum() * 0.04);

				if (noise_value < noise_threshold) { continue; }

				auto noise_value_1 = ofNoise(
					cos(phi_deg * DEG_TO_RAD) * 4,
					sin(phi_deg * DEG_TO_RAD) * 4,
					cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 4,
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_2 = ofNoise(
					cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 4,
					sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 4,
					cos(theta_deg * DEG_TO_RAD) * 4,
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_3 = ofNoise(
					cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 4,
					sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 4,
					cos(theta_deg * DEG_TO_RAD) * 4,
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_4 = ofNoise(
					cos(phi_deg * DEG_TO_RAD) * 4,
					sin(phi_deg * DEG_TO_RAD) * 4,
					cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 4,
					radius * 0.01 + ofGetFrameNum() * 0.04);

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

				if (noise_value_1 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_2 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_3 < noise_threshold) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_4 < noise_threshold) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

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

					this->face.addColor(face_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum());

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

	this->cam.end();

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 0.2;

float theta_deg_step = 0.2;

float noise_threshold = 0.4;

ofColor face_color;

ofColor line_color = ofColor(255);

for(float radius = 230; radius >= 200; radius -= 5){

face_color.setHsb(0, 200, ofMap(radius, 230, 180, 255, 0));

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

cos(phi_deg * DEG_TO_RAD) * 4,

sin(phi_deg * DEG_TO_RAD) * 4,

cos(theta_deg * DEG_TO_RAD) * 4,

radius * 0.01 + ofGetFrameNum() * 0.04);

if (noise_value < noise_threshold) { continue; }

auto noise_value_1 = ofNoise(

cos(phi_deg * DEG_TO_RAD) * 4,

sin(phi_deg * DEG_TO_RAD) * 4,

cos((theta_deg - theta_deg_step) * DEG_TO_RAD) * 4,

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_2 = ofNoise(

cos((phi_deg + phi_deg_step) * DEG_TO_RAD) * 4,

sin((phi_deg + phi_deg_step) * DEG_TO_RAD) * 4,

cos(theta_deg * DEG_TO_RAD) * 4,

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_3 = ofNoise(

cos((phi_deg - phi_deg_step) * DEG_TO_RAD) * 4,

sin((phi_deg - phi_deg_step) * DEG_TO_RAD) * 4,

cos(theta_deg * DEG_TO_RAD) * 4,

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_4 = ofNoise(

cos(phi_deg * DEG_TO_RAD) * 4,

sin(phi_deg * DEG_TO_RAD) * 4,

cos((theta_deg + theta_deg_step) * DEG_TO_RAD) * 4,

radius * 0.01 + ofGetFrameNum() * 0.04);

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

if (noise_value_1 < noise_threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_2 < noise_threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_3 < noise_threshold) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_4 < noise_threshold) {

this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

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

this->face.addColor(face_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum());

this->face.draw();

this->line.draw();

this->cam.end();

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240127

2024年1月26日

Overlap.

[ Video ]

[ About ]
かさなり。

[ 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;
	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) {};

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();

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

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

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

	float phi_deg_step = 0.25;
	float theta_deg_step = 0.25;
	float noise_threshold = 0.52;
	
	ofColor line_color = ofColor(255);

	for(float radius = 230; radius > 180; radius -= 5){

		ofColor face_color = ofColor(ofMap(radius, 230, 180, 39, 239));

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

				auto noise_value = ofNoise(
					cos(phi_deg * DEG_TO_RAD),
					sin(phi_deg * DEG_TO_RAD),
					cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);

				if (noise_value < noise_threshold) { continue; }

				auto noise_value_1 = ofNoise(
					cos(phi_deg * DEG_TO_RAD),
					sin(phi_deg * DEG_TO_RAD),
					cos((theta_deg - theta_deg_step) * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_2 = ofNoise(
					cos((phi_deg + phi_deg_step) * DEG_TO_RAD),
					sin((phi_deg + phi_deg_step) * DEG_TO_RAD),
					cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_3 = ofNoise(
					cos((phi_deg - phi_deg_step) * DEG_TO_RAD),
					sin((phi_deg - phi_deg_step) * DEG_TO_RAD),
					cos(theta_deg * DEG_TO_RAD),
					radius * 0.01 + ofGetFrameNum() * 0.04);
				auto noise_value_4 = ofNoise(
					cos(phi_deg * DEG_TO_RAD),
					sin(phi_deg * DEG_TO_RAD),
					cos((theta_deg + theta_deg_step) * DEG_TO_RAD) ,
					radius * 0.01 + ofGetFrameNum() * 0.04);

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
				this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

				if (noise_value_1 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_2 < noise_threshold) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_3 < noise_threshold) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

				if (noise_value_4 < noise_threshold) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					this->line.addColor(line_color); this->line.addColor(line_color);
				}

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

					this->face.addColor(face_color);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum());

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

	this->cam.end();

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float phi_deg_step = 0.25;

float theta_deg_step = 0.25;

float noise_threshold = 0.52;

ofColor line_color = ofColor(255);

for(float radius = 230; radius > 180; radius -= 5){

ofColor face_color = ofColor(ofMap(radius, 230, 180, 39, 239));

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(

cos(phi_deg * DEG_TO_RAD),

sin(phi_deg * DEG_TO_RAD),

cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

if (noise_value < noise_threshold) { continue; }

auto noise_value_1 = ofNoise(

cos(phi_deg * DEG_TO_RAD),

sin(phi_deg * DEG_TO_RAD),

cos((theta_deg - theta_deg_step) * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_2 = ofNoise(

cos((phi_deg + phi_deg_step) * DEG_TO_RAD),

sin((phi_deg + phi_deg_step) * DEG_TO_RAD),

cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_3 = ofNoise(

cos((phi_deg - phi_deg_step) * DEG_TO_RAD),

sin((phi_deg - phi_deg_step) * DEG_TO_RAD),

cos(theta_deg * DEG_TO_RAD),

radius * 0.01 + ofGetFrameNum() * 0.04);

auto noise_value_4 = ofNoise(

cos(phi_deg * DEG_TO_RAD),

sin(phi_deg * DEG_TO_RAD),

cos((theta_deg + theta_deg_step) * DEG_TO_RAD) ,

radius * 0.01 + ofGetFrameNum() * 0.04);

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

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

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

if (noise_value_1 < noise_threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_2 < noise_threshold) {

this->line.addVertex(vertices[0]); this->line.addVertex(vertices[2]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_3 < noise_threshold) {

this->line.addVertex(vertices[1]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

if (noise_value_4 < noise_threshold) {

this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);

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

this->line.addColor(line_color); this->line.addColor(line_color);

}

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

this->face.addColor(face_color);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum());

this->face.draw();

this->line.draw();

this->cam.end();

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240126

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