プログラミング de 落描き – ページ 502 – クリエイティブ・コーディングによる生成物とソース

2021年5月27日2021年5月27日

Random walk by Noise. Draw by openFrameworks

[ Video ]

[ About ]
Random walk by 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	ofSetCircleResolution(36);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

	ofSetLineWidth(3);

	ofBeginShape();
	for (int x = 120; x <= 340; x += 1) {

		auto y = ofMap(ofNoise(noise_seed.x, (((x + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

		ofVertex(x, y);
	}
	ofEndShape();

	ofBeginShape();
	for (int x = -120; x >= -340; x -= 1) {

		auto y = ofMap(ofNoise(noise_seed.x, (((x + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

		ofVertex(x, y);
	}
	ofEndShape();

	ofBeginShape();
	for (int y = 120; y <= 340; y += 1) {

		auto x = ofMap(ofNoise(noise_seed.y, (((y + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

		ofVertex(x, y);
	}
	ofEndShape();

	ofBeginShape();
	for (int y = -120; y >= -340; y -= 1) {

		auto x = ofMap(ofNoise(noise_seed.y, (((y + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

		ofVertex(x, y);
	}
	ofEndShape();

	ofDrawRectangle(0, 0, 200, 200);

	ofFill();
	auto location = glm::vec2(ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100));
	ofDrawCircle(location.x, location.y, 5);

	for (int i = 1; i < 10; i++) {

		ofSetColor(ofMap(i, 1, 10, 39, 200));
		auto log = glm::vec2(ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100));
		ofDrawCircle(log.x, log.y , 5);
	}

	ofNoFill();
	ofSetColor(39);

	ofSetLineWidth(1.5);
	ofDrawLine(glm::vec2(location.x, -120), glm::vec2(location.x, 120));
	ofDrawLine(glm::vec2(120, location.y), glm::vec2(-120, location.y));

	ofDrawLine(glm::vec2(-100, -120), glm::vec2(100, -120));
	ofDrawLine(glm::vec2(-100, 120), glm::vec2(100, 120));

	ofDrawLine(glm::vec2(120, -100), glm::vec2(120, 100));
	ofDrawLine(glm::vec2(-120, -100), glm::vec2(-120, 100));

	ofDrawLine(glm::vec2(-100, -340), glm::vec2(100, -340));
	ofDrawLine(glm::vec2(-100, 340), glm::vec2(100, 340));

	ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));
	ofDrawLine(glm::vec2(-340, -100), glm::vec2(-340, 100));

}

//--------------------------------------------------------------
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(239);

ofSetColor(39);

ofNoFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofSetCircleResolution(36);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

ofSetLineWidth(3);

ofBeginShape();

for (int x = 120; x <= 340; x += 1) {

auto y = ofMap(ofNoise(noise_seed.x, (((x + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int x = -120; x >= -340; x -= 1) {

auto y = ofMap(ofNoise(noise_seed.x, (((x + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int y = 120; y <= 340; y += 1) {

auto x = ofMap(ofNoise(noise_seed.y, (((y + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

ofVertex(x, y);

}

ofEndShape();

ofBeginShape();

for (int y = -120; y >= -340; y -= 1) {

auto x = ofMap(ofNoise(noise_seed.y, (((y + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100);

ofVertex(x, y);

}

ofEndShape();

ofDrawRectangle(0, 0, 200, 200);

ofFill();

auto location = glm::vec2(ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100));

ofDrawCircle(location.x, location.y, 5);

for (int i = 1; i < 10; i++) {

ofSetColor(ofMap(i, 1, 10, 39, 200));

auto log = glm::vec2(ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100));

ofDrawCircle(log.x, log.y , 5);

}

ofNoFill();

ofSetColor(39);

ofSetLineWidth(1.5);

ofDrawLine(glm::vec2(location.x, -120), glm::vec2(location.x, 120));

ofDrawLine(glm::vec2(120, location.y), glm::vec2(-120, location.y));

ofDrawLine(glm::vec2(-100, -120), glm::vec2(100, -120));

ofDrawLine(glm::vec2(-100, 120), glm::vec2(100, 120));

ofDrawLine(glm::vec2(120, -100), glm::vec2(120, 100));

ofDrawLine(glm::vec2(-120, -100), glm::vec2(-120, 100));

ofDrawLine(glm::vec2(-100, -340), glm::vec2(100, -340));

ofDrawLine(glm::vec2(-100, 340), glm::vec2(100, 340));

ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100));

ofDrawLine(glm::vec2(-340, -100), glm::vec2(-340, 100));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210527

2021年5月26日2021年5月26日

Gaming sphere. Draw by openFrameworks

[ Video ]

[ About ]
Gaming 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 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(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(100, 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();

	for (int radius = 50; radius <= 500; radius += 20) {

		ofSeedRandom(39);

		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(glm::vec4(avg * 0.02, (radius + ofGetFrameNum() * 5) * 0.008));

			auto color_value = ofNoise(ofRandom(1000), (radius + ofGetFrameNum() * 5) * 0.008);

			if (noise_value < 0.4) {

				vector<glm::vec3> vertices;
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(0) - avg) * 0.999) + avg) * (radius + 10));
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(1) - avg) * 0.999) + avg) * (radius + 10));
				vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(2) - avg) * 0.999) + avg) * (radius + 10));

				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 10));
				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 10));
				vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 10));

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

				ofColor color;
				color.setHsb(ofMap(color_value, 0, 1, 128, 255), 255, 255);
				for (int k = 0; k < vertices.size(); k++) {

					this->frame.addColor(color);
				}

				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();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofSetColor(0);
	this->mesh.drawFaces();

	ofSetColor(255);
	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(0);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(100, 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();

for (int radius = 50; radius <= 500; radius += 20) {

ofSeedRandom(39);

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(glm::vec4(avg * 0.02, (radius + ofGetFrameNum() * 5) * 0.008));

auto color_value = ofNoise(ofRandom(1000), (radius + ofGetFrameNum() * 5) * 0.008);

if (noise_value < 0.4) {

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(0) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(1) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(((this->triangle_list[i].getVertex(2) - avg) * 0.999) + avg) * (radius + 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(0)) * (radius - 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(1)) * (radius - 10));

vertices.push_back(glm::normalize(this->triangle_list[i].getVertex(2)) * (radius - 10));

this->mesh.addVertices(vertices);

this->frame.addVertices(vertices);

ofColor color;

color.setHsb(ofMap(color_value, 0, 1, 128, 255), 255, 255);

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

this->frame.addColor(color);

}

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();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(0);

this->mesh.drawFaces();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210526

2021年5月25日2021年5月25日

hex rotationg. Draw by openFrameworks

[ Video ]

[ About ]
hex rotationg.

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

	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 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 setHexToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height);

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

	ofSeedRandom(39);

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

	for (int z = -2500; z <= 350; z += 50) {

		this->setHexToMesh(this->face, this->line, glm::vec3(0, 0, z), 300, 3, 50);
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	this->face.draw();

	ofSetColor(200, 39, 39);
	this->line.drawWireframe();

	this->cam.end();
}

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

	int index = face_target.getNumVertices();
	int deg_start = ofMap(ofNoise(location.z * 0.0005 + ofGetFrameNum() * 0.008), 0, 1, 0, 360 * 2);
	int deg_end = deg_start + 360;
	int deg_span = 60;

	for (int deg = deg_start; deg < deg_end; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

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

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

		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 + 0); 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 + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

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

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

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

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

//--------------------------------------------------------------
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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

for (int z = -2500; z <= 350; z += 50) {

this->setHexToMesh(this->face, this->line, glm::vec3(0, 0, z), 300, 3, 50);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face.draw();

ofSetColor(200, 39, 39);

this->line.drawWireframe();

this->cam.end();

}

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

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

int index = face_target.getNumVertices();

int deg_start = ofMap(ofNoise(location.z * 0.0005 + ofGetFrameNum() * 0.008), 0, 1, 0, 360 * 2);

int deg_end = deg_start + 360;

int deg_span = 60;

for (int deg = deg_start; deg < deg_end; deg += deg_span) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

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

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

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

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

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

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

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

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

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 + 0); 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 + 6);

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

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

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

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

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

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

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

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210525

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