プログラミング de 落描き – ページ 585 – クリエイティブ・コーディングによる生成物とソース

2020年9月19日2020年9月19日

Shibuya Crossing. Draw by openFrameworks

[ Video ]

[ About ]
Shibuya Crossing.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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;

	cv::VideoCapture cap;
	cv::Size cap_size;

	ofImage image;
	cv::Mat frame;

	vector<ofMesh> mesh_list;
	vector<ofMesh> frame_list;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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;

cv::VideoCapture cap;

cv::Size cap_size;

ofImage image;

cv::Mat frame;

vector<ofMesh> mesh_list;

vector<ofMesh> frame_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	this->cap.open("D:\\MP4\\Pexels Videos 2697636.mp4");
	this->cap_size = cv::Size(1080, 1080);

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);
}

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

	ofSeedRandom(39);

	cv::Mat src;
	this->cap >> src;
	if (src.empty()) {

		this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);
		return;
	}

	cv::cvtColor(src, src, cv::COLOR_BGR2RGB);
	cv::Mat(src, cv::Rect(this->cap.get(cv::CAP_PROP_FRAME_WIDTH) * 0.5 - this->cap_size.width * 0.5, this->cap.get(cv::CAP_PROP_FRAME_HEIGHT) * 0.5 - this->cap_size.height * 0.5, this->cap_size.width, this->cap_size.height)).copyTo(this->frame);
	this->image.update();

	this->mesh_list.clear();
	this->frame_list.clear();

	float radius = 250;
	int deg_span = 1;
	int y_span = 27;
	for (int y = 0; y < this->cap_size.height; y += y_span) {

		radius -= 3;

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (int deg = 0; deg < 360; deg += deg_span) {

			int index = mesh.getNumVertices();

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

			mesh.addVertices(vertices);
			frame.addVertices(vertices);

			int x = ofMap(deg, 0, 360, 0, this->cap_size.width);
			int next_x = ofMap(deg + deg_span, 0, 360, 0, this->cap_size.width);

			mesh.addTexCoord(glm::vec3(x, y, 0));
			mesh.addTexCoord(glm::vec3(next_x, y, 0));
			mesh.addTexCoord(glm::vec3(next_x, y + y_span, 0));
			mesh.addTexCoord(glm::vec3(x, y + y_span, 0));

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

			frame.addIndex(index + 0); frame.addIndex(index + 1);
			frame.addIndex(index + 2); frame.addIndex(index + 3);
		}

		this->mesh_list.push_back(mesh);
		this->frame_list.push_back(frame);
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(245);

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

		ofPushMatrix();

		ofRotateY(ofMap(ofNoise(ofRandom(1000),ofGetFrameNum() * 0.001), 0, 1, -360, 360));
		ofRotateX(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -360, 360));

		this->image.bind();
		ofSetColor(255);
		this->mesh_list[i].draw();
		this->image.unbind();

		ofSetColor(39);
		this->frame_list[i].drawWireframe();

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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->cap.open("D:\\MP4\\Pexels Videos 2697636.mp4");

this->cap_size = cv::Size(1080, 1080);

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

}

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

void ofApp::update() {

ofSeedRandom(39);

cv::Mat src;

this->cap >> src;

if (src.empty()) {

this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);

return;

}

cv::cvtColor(src, src, cv::COLOR_BGR2RGB);

cv::Mat(src, cv::Rect(this->cap.get(cv::CAP_PROP_FRAME_WIDTH) * 0.5 - this->cap_size.width * 0.5, this->cap.get(cv::CAP_PROP_FRAME_HEIGHT) * 0.5 - this->cap_size.height * 0.5, this->cap_size.width, this->cap_size.height)).copyTo(this->frame);

this->image.update();

this->mesh_list.clear();

this->frame_list.clear();

float radius = 250;

int deg_span = 1;

int y_span = 27;

for (int y = 0; y < this->cap_size.height; y += y_span) {

radius -= 3;

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

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

int index = mesh.getNumVertices();

vector<glm::vec3> vertices;

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

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

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

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

mesh.addVertices(vertices);

frame.addVertices(vertices);

int x = ofMap(deg, 0, 360, 0, this->cap_size.width);

int next_x = ofMap(deg + deg_span, 0, 360, 0, this->cap_size.width);

mesh.addTexCoord(glm::vec3(x, y, 0));

mesh.addTexCoord(glm::vec3(next_x, y, 0));

mesh.addTexCoord(glm::vec3(next_x, y + y_span, 0));

mesh.addTexCoord(glm::vec3(x, y + y_span, 0));

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

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

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

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

}

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(245);

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

ofPushMatrix();

ofRotateY(ofMap(ofNoise(ofRandom(1000),ofGetFrameNum() * 0.001), 0, 1, -360, 360));

ofRotateX(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -360, 360));

this->image.bind();

ofSetColor(255);

this->mesh_list[i].draw();

this->image.unbind();

ofSetColor(39);

this->frame_list[i].drawWireframe();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200919

2020年9月18日2020年9月18日

Sphere by Ring. Draw by openFrameworks

[ Video ]

[ About ]
リングによる球体。

Sphere by Ring.

[ 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 setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	for (int radius = 50; radius < 300; radius += 3) {

		this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 25, 0, 360);

	}
}

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

	this->cam.begin();

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

	ofSetColor(239);
	this->frame.drawWireframe();

	this->cam.end();
}

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

	if (deg_start > deg_end) {

		auto tmp = deg_start - 1;
		deg_start = deg_end;
		deg_end = tmp;
	}

	int index = face_target.getNumVertices();
	int deg_span = 5;
	auto angle_x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -PI * 2, PI * 2);
	auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

	auto angle_y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -PI * 2, PI * 2);
	auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
	for (int deg = deg_start; deg < deg_end; deg += deg_span) {
	
		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_y * rotation_x);

		vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);
		vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_y * rotation_x);

		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 + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	}
}

//--------------------------------------------------------------
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(3);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int radius = 50; radius < 300; radius += 3) {

this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 3, 25, 0, 360);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end) {

if (deg_start > deg_end) {

auto tmp = deg_start - 1;

deg_start = deg_end;

deg_end = tmp;

}

int index = face_target.getNumVertices();

int deg_span = 5;

auto angle_x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -PI * 2, PI * 2);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto angle_y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -PI * 2, PI * 2);

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

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

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * rotation_y * rotation_x);

vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_y * rotation_x);

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

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200918

2020年9月17日2020年9月17日

Soft, thick circles. Draw by openFrameworks

[ Video ]

[ About ]
柔らかい厚みのある円。

Soft, thick circles.

[ 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 setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

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

	for (int radius = 50; radius < 300; radius += 50) {

		this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 45, 50, 0, 360);

	}
}

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

	this->cam.begin();

	ofSetColor(239);
	this->face.draw();

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

	this->cam.end();
}

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

	if (deg_start > deg_end) {

		auto tmp = deg_start - 1;
		deg_start = deg_end;
		deg_end = tmp;
	}

	int index = face_target.getNumVertices();
	int deg_span = 1;
	auto noise_seed = ofRandom(1000);
	for (int deg = deg_start; deg < deg_end; deg += deg_span) {

		auto angle = ofMap(ofNoise(noise_seed, radius * cos(deg * DEG_TO_RAD) * 0.001 + ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2);
		auto rotation_x = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

		auto next_angle = ofMap(ofNoise(noise_seed, radius * cos((deg + deg_span) * DEG_TO_RAD) * 0.001 + ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2);
		auto next_rotation_x = glm::rotate(glm::mat4(), next_angle, glm::vec3(1, 0, 0));

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);
		vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_x);

		vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);
		vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);
		vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_x);

		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 + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	}
}

//--------------------------------------------------------------
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(39);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int radius = 50; radius < 300; radius += 50) {

this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 45, 50, 0, 360);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, int deg_start, int deg_end) {

if (deg_start > deg_end) {

auto tmp = deg_start - 1;

deg_start = deg_end;

deg_end = tmp;

}

int index = face_target.getNumVertices();

int deg_span = 1;

auto noise_seed = ofRandom(1000);

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

auto angle = ofMap(ofNoise(noise_seed, radius * cos(deg * DEG_TO_RAD) * 0.001 + ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2);

auto rotation_x = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

auto next_angle = ofMap(ofNoise(noise_seed, radius * cos((deg + deg_span) * DEG_TO_RAD) * 0.001 + ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2);

auto next_rotation_x = glm::rotate(glm::mat4(), next_angle, glm::vec3(1, 0, 0));

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);

vertices.push_back(location + glm::vec4((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_x);

vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5, 0) * rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);

vertices.push_back(location + glm::vec4((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, 0) * next_rotation_x);

vertices.push_back(location + glm::vec4((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5, 0) * rotation_x);