2024年5月 – ページ 6 – プログラミング de 落描き

2024年5月16日

Ray of line.

[ Video ]

[ About ]
線の光。

[ 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) {};

	ofMesh mesh;

	glm::vec2 base_seed;

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void 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;

glm::vec2 base_seed;

vector<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
}

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

	this->mesh.clear();

	int radius = 0;
	ofColor color;

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

		int deg_base = ofRandom(360);
		int deg = deg_base;

		vector<glm::vec2> log;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		log.push_back(location);
		auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 3;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->log_list.push_back(log);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));
		color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);
		this->color_list.push_back(ofColor(color, 16));
	}

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		auto location = this->log_list[i][this->log_list[i].size() - 1];
		auto feature = location + glm::normalize(this->velocity_list[i]) * 80;
		auto deg = ofMap(ofNoise(glm::vec3(location * 0.003, ofGetFrameNum() * 0.01)), 0, 1, -360, 360);
		feature += glm::vec2(60 * cos(deg * DEG_TO_RAD), 60 * sin(deg * DEG_TO_RAD));
		location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);

			continue;
		}

		this->log_list[i].push_back(location);
		this->velocity_list[i] *= 1.01;
	}

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

		for (int k = 0; k < this->log_list[i].size(); k++) {

			this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));
			this->mesh.addColor(this->color_list[i]);

			if (k > 0) {

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

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

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

	this->mesh.drawWireframe();

	ofFill();
	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		ofSetColor(this->mesh.getColor(i));
	}

	/*
	int start = 150;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

}

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

void ofApp::update() {

this->mesh.clear();

int radius = 0;

ofColor color;

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

int deg_base = ofRandom(360);

int deg = deg_base;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 3;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));

color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);

this->color_list.push_back(ofColor(color, 16));

}

for (int i = this->log_list.size() - 1; i > -1; i--) {

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto feature = location + glm::normalize(this->velocity_list[i]) * 80;

auto deg = ofMap(ofNoise(glm::vec3(location * 0.003, ofGetFrameNum() * 0.01)), 0, 1, -360, 360);

feature += glm::vec2(60 * cos(deg * DEG_TO_RAD), 60 * sin(deg * DEG_TO_RAD));

location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

continue;

}

this->log_list[i].push_back(location);

this->velocity_list[i] *= 1.01;

}

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

for (int k = 0; k < this->log_list[i].size(); k++) {

this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));

this->mesh.addColor(this->color_list[i]);

if (k > 0) {

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

}

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

void ofApp::draw() {

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

this->mesh.drawWireframe();

ofFill();

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

ofSetColor(this->mesh.getColor(i));

}

int start = 150;

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/Insta20240516

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年5月15日

Heartbeat.

[ Video ]

[ About ]
心拍。

[ 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) {};

	ofMesh mesh;

	glm::vec2 base_seed;

	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void 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;

glm::vec2 base_seed;

vector<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

	this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
}

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

	this->mesh.clear();

	int radius = 0;
	ofColor color;

	if (ofGetFrameNum() % 75 == 0) {

		while (this->log_list.size() < 30000) {

			int deg_base = ofRandom(360);
			int deg = deg_base;

			vector<glm::vec2> log;
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			log.push_back(location);
			auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

			auto distance = location - next;
			distance *= 3;

			auto future = location + distance * 30;
			auto random_deg = ofRandom(360);
			future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->log_list.push_back(log);
			this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));
			color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);
			this->color_list.push_back(ofColor(color, 16));
		}
	}

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		auto location = this->log_list[i][this->log_list[i].size() - 1];
		auto feature = location + glm::normalize(this->velocity_list[i]) * 80;
		auto deg = ofMap(ofNoise(glm::vec3(location * 0.025, ofGetFrameNum() * 0.01)), 0, 1, -90, 90);
		feature += glm::vec2(45 * cos(deg * DEG_TO_RAD), 45 * sin(deg * DEG_TO_RAD));
		location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);

			continue;
		}

		this->log_list[i].push_back(location);
		this->velocity_list[i] *= 1.01;
	}

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

		for (int k = 0; k < this->log_list[i].size(); k++) {

			this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));
			this->mesh.addColor(this->color_list[i]);

			if (k > 0) {

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

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

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

	this->mesh.drawWireframe();

	ofFill();
	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		ofSetColor(this->mesh.getColor(i));
	}

	/*
	int start = 160;
	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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

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

this->base_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

}

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

void ofApp::update() {

this->mesh.clear();

int radius = 0;

ofColor color;

if (ofGetFrameNum() % 75 == 0) {

while (this->log_list.size() < 30000) {

int deg_base = ofRandom(360);

int deg = deg_base;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 3;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 1.6));

color.setHsb(ofMap(deg_base, 0, 345, 0, 255), 200, 255);

this->color_list.push_back(ofColor(color, 16));

}

for (int i = this->log_list.size() - 1; i > -1; i--) {

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto feature = location + glm::normalize(this->velocity_list[i]) * 80;

auto deg = ofMap(ofNoise(glm::vec3(location * 0.025, ofGetFrameNum() * 0.01)), 0, 1, -90, 90);

feature += glm::vec2(45 * cos(deg * DEG_TO_RAD), 45 * sin(deg * DEG_TO_RAD));

location += glm::normalize(feature - location) * glm::length(this->velocity_list[i]);

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

continue;

}

this->log_list[i].push_back(location);

this->velocity_list[i] *= 1.01;

}

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

for (int k = 0; k < this->log_list[i].size(); k++) {

this->mesh.addVertex(glm::vec3(this->log_list[i][k], 0));

this->mesh.addColor(this->color_list[i]);

if (k > 0) {

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

}

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

void ofApp::draw() {

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

this->mesh.drawWireframe();

ofFill();

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

ofSetColor(this->mesh.getColor(i));

}

int start = 160;

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/Insta20240515

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Amazon

[ Sponsor Link ]

2024年5月14日2024年5月14日

Hexagon face.

[ Video ]

[ About ]
六角形面。

[ 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 setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

	vector<glm::vec3> location_list;

	ofEasyCam cam;
	ofMesh face, 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) {};

void setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

vector<glm::vec3> location_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto radius = 12;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -360 * 1.5; y < 360 * 1.5; y += radius * 1.5) {

		for (float x = -360 * 1.5; x < 360 * 1.5; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			this->location_list.push_back(location);
		}
		flg = !flg;
	}

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

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

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

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

		this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 12);
	}

}

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

	this->cam.begin();

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

	this->cam.end();

	/*
	int start = 300;
	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);
		}
	}
	*/
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

	auto noise_value = ofNoise(glm::vec3(location.x * 0.002, location.y * 0.002, ofGetFrameNum() * 0.006));
	auto height = 0;
	auto max_height = 600;

	if (noise_value > 0.32 && noise_value <= 0.38) {

		height = ofMap(noise_value, 0.32, 0.38, 0, max_height);
	}

	if (noise_value > 0.38 && noise_value < 0.52) {

		height = max_height;
	}

	if (noise_value > 0.52 && noise_value <= 0.58) {

		height = ofMap(noise_value, 0.52, 0.58, max_height, 0);
	}

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();
		auto frame_index = frame_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

			vertex += location;
		}

		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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

		face_target.addColor(ofColor(239));
		face_target.addColor(ofColor(239));
		face_target.addColor(ofColor(239));
		face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39)));
		face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39)));
		face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39)));

		frame_target.addColor(ofColor(39));
		frame_target.addColor(ofColor(39));
		frame_target.addColor(ofColor(39));
		frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239)));
		frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239)));
		frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239)));

	}
}

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

ofSetLineWidth(2);

ofEnableDepthTest();

auto radius = 12;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -360 * 1.5; y < 360 * 1.5; y += radius * 1.5) {

for (float x = -360 * 1.5; x < 360 * 1.5; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

this->location_list.push_back(location);

}

flg = !flg;

}

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

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

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 12);

}

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

void ofApp::draw() {

this->cam.begin();

this->face.draw();

this->frame.draw();

this->cam.end();

int start = 300;

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);

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

auto noise_value = ofNoise(glm::vec3(location.x * 0.002, location.y * 0.002, ofGetFrameNum() * 0.006));

auto height = 0;

auto max_height = 600;

if (noise_value > 0.32 && noise_value <= 0.38) {

height = ofMap(noise_value, 0.32, 0.38, 0, max_height);

}

if (noise_value > 0.38 && noise_value < 0.52) {

height = max_height;

}

if (noise_value > 0.52 && noise_value <= 0.58) {

height = ofMap(noise_value, 0.52, 0.58, max_height, 0);

}

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

auto frame_index = frame_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

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

for (auto& vertex : vertices) {

vertex += location;

}

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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

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

frame_target.addVertices(vertices);

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

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

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

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

face_target.addColor(ofColor(239));

face_target.addColor(ofColor(ofMap(height, 0, max_height, 239, 39)));

frame_target.addColor(ofColor(39));

frame_target.addColor(ofColor(ofMap(height, 0, max_height, 39, 239)));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240514

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