circle – ページ 66 – プログラミング de 落描き

2020年8月5日2020年8月5日

It’s summer. Draw by openFrameworks

[ Video ]

[ About ]
真夏の太陽。

It’s summer.

[ 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) {};

	ofColor color;
	ofMesh face;
};

#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) {};

ofColor color;

ofMesh face;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(36);

	this->color = ofColor(230, 0, 82);
}

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

	ofSeedRandom(39);

	this->face.clear();

	int deg_span = 8;
	int radius_span = 3;
	int radius_max = 800;
	int range_min = 50;
	int range_max = radius_max * 1.5;

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

		int index = this->face.getNumVertices();
		int param_2 = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 5, sin(deg * DEG_TO_RAD) * 5, ofGetFrameNum() * 0.005), 0, 1, range_min, radius_max);
		int param_1 = param_2 * 0.5;

		for (int radius = 50; radius < radius_max; radius += radius_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), 0));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), 0));
			this->face.addVertices(vertices);

			if (radius < param_1) {

				this->face.addColor(ofColor(color, 255));
				this->face.addColor(ofColor(color, 255));

			}
			else if (radius < param_2) {

				this->face.addColor(ofColor(color, ofMap(radius, param_1, param_2, 255, 0)));
				this->face.addColor(ofColor(color, ofMap(radius, param_1, param_2, 255, 0)));
			}
			else {

				this->face.addColor(ofColor(color, 0));
				this->face.addColor(ofColor(color, 0));
			}
		}

		for (int i = index + 2; i < this->face.getNumVertices() - 2; i += 2) {

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

}

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

	ofTranslate(ofGetWidth() * 0.7, ofGetHeight() * 0.28);

	ofSetColor(this->color);
	ofDrawCircle(glm::vec2(), 48);

	this->face.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetCircleResolution(36);

this->color = ofColor(230, 0, 82);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

int deg_span = 8;

int radius_span = 3;

int radius_max = 800;

int range_min = 50;

int range_max = radius_max * 1.5;

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

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

int param_2 = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 5, sin(deg * DEG_TO_RAD) * 5, ofGetFrameNum() * 0.005), 0, 1, range_min, radius_max);

int param_1 = param_2 * 0.5;

for (int radius = 50; radius < radius_max; radius += radius_span) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), 0));

this->face.addVertices(vertices);

if (radius < param_1) {

this->face.addColor(ofColor(color, 255));

}

else if (radius < param_2) {

this->face.addColor(ofColor(color, ofMap(radius, param_1, param_2, 255, 0)));

}

else {

this->face.addColor(ofColor(color, 0));

}

for (int i = index + 2; i < this->face.getNumVertices() - 2; i += 2) {

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.7, ofGetHeight() * 0.28);

ofSetColor(this->color);

ofDrawCircle(glm::vec2(), 48);

this->face.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200805

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年8月3日2020年8月3日

Circle split. Draw by openFrameworks

[ Video ]

[ About ]
輪切り。

Circle split.

[ 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) {};

	vector<glm::vec2> location_list;
	vector<float> noise_seed_list;
	vector<int> deg_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<glm::vec2> location_list;

vector<float> noise_seed_list;

vector<int> deg_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	for (int x = -300; x <= 300; x += 100) {

		for (int y = -300; y <= 300; y += 100) {

			this->location_list.push_back(glm::vec2(x, y));
			this->noise_seed_list.push_back(ofRandom(1000));
		}
	}

	this->deg_list = {10, 15, 18, 30, 36, 72, 90, 120, 180};
}

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

}

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

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

	int anime_rate = 90;
	auto param = ofGetFrameNum() % anime_rate;

	int radius = 15;

	if (param == 0) {

		for (int i = 0; i < this->location_list.size(); i++) {
			
			this->noise_seed_list[i] = ofRandom(1000); 
		}
	}

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);

		int deg_span = this->deg_list[(int)ofMap(ofNoise(this->noise_seed_list[i]), 0, 1, 1, this->deg_list.size())];
		for (int deg_start = 0; deg_start < 360; deg_start += deg_span) {

			auto source_location = glm::vec2(radius * cos(deg_start * DEG_TO_RAD), radius * sin(deg_start * DEG_TO_RAD));
			auto add_radius = radius * 1.5;
			auto anime_param = 0.f;
			if (param > anime_rate * 0.4 && param <= anime_rate * 0.5) {

				anime_param = ofMap(param, anime_rate * 0.4, anime_rate * 0.5, 0, 1);
			}
			else if (param > anime_rate * 0.5 && param <= anime_rate * 0.9) {

				anime_param = 1;
			}
			else if (param > anime_rate * 0.9 && param <= anime_rate) {

				anime_param = ofMap(param, anime_rate * 0.9, anime_rate, 1, 0);
			}

			auto noise_location = glm::vec2(anime_param * add_radius * cos(deg_start * DEG_TO_RAD), anime_param * add_radius * sin(deg_start * DEG_TO_RAD));

			vector<glm::vec2> out, in;
			for (int deg = deg_start - deg_span * 0.5; deg <= deg_start + deg_span * 0.5; deg++) {

				in.push_back(noise_location + glm::vec2((radius - 3) * cos(deg * DEG_TO_RAD), (radius - 3) * sin(deg * DEG_TO_RAD)));
				out.push_back(noise_location + glm::vec2((radius + 3) * cos(deg * DEG_TO_RAD), (radius + 3) * sin(deg * DEG_TO_RAD)));
			}

			if (param < anime_rate * 0.4) {

				ofSetColor(239);
			}
			else if (param < anime_rate * 0.5) {
				
				ofSetColor(ofMap(param, anime_rate * 0.4, anime_rate * 0.5, 239, 39));
			}
			else if (param < anime_rate * 0.9) {

				ofSetColor(39);
			}
			else {

				ofSetColor(ofMap(param, anime_rate * 0.9, anime_rate, 39, 239));
				
			}
			ofDrawLine(glm::vec2(), source_location + noise_location);

			ofSetColor(39);
			ofBeginShape();
			ofVertices(in);
			reverse(out.begin(), out.end());
			ofVertices(out);
			ofEndShape(true);
		}

		ofPopMatrix();
	}
}

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

for (int x = -300; x <= 300; x += 100) {

for (int y = -300; y <= 300; y += 100) {

this->location_list.push_back(glm::vec2(x, y));

this->noise_seed_list.push_back(ofRandom(1000));

}

this->deg_list = {10, 15, 18, 30, 36, 72, 90, 120, 180};

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int anime_rate = 90;

auto param = ofGetFrameNum() % anime_rate;

int radius = 15;

if (param == 0) {

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

this->noise_seed_list[i] = ofRandom(1000);

}

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

int deg_span = this->deg_list[(int)ofMap(ofNoise(this->noise_seed_list[i]), 0, 1, 1, this->deg_list.size())];

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

auto source_location = glm::vec2(radius * cos(deg_start * DEG_TO_RAD), radius * sin(deg_start * DEG_TO_RAD));

auto add_radius = radius * 1.5;

auto anime_param = 0.f;

if (param > anime_rate * 0.4 && param <= anime_rate * 0.5) {

anime_param = ofMap(param, anime_rate * 0.4, anime_rate * 0.5, 0, 1);

}

else if (param > anime_rate * 0.5 && param <= anime_rate * 0.9) {

anime_param = 1;

}

else if (param > anime_rate * 0.9 && param <= anime_rate) {

anime_param = ofMap(param, anime_rate * 0.9, anime_rate, 1, 0);

}

auto noise_location = glm::vec2(anime_param * add_radius * cos(deg_start * DEG_TO_RAD), anime_param * add_radius * sin(deg_start * DEG_TO_RAD));

vector<glm::vec2> out, in;

for (int deg = deg_start - deg_span * 0.5; deg <= deg_start + deg_span * 0.5; deg++) {

in.push_back(noise_location + glm::vec2((radius - 3) * cos(deg * DEG_TO_RAD), (radius - 3) * sin(deg * DEG_TO_RAD)));

out.push_back(noise_location + glm::vec2((radius + 3) * cos(deg * DEG_TO_RAD), (radius + 3) * sin(deg * DEG_TO_RAD)));

}

if (param < anime_rate * 0.4) {

ofSetColor(239);

}

else if (param < anime_rate * 0.5) {

ofSetColor(ofMap(param, anime_rate * 0.4, anime_rate * 0.5, 239, 39));

}

else if (param < anime_rate * 0.9) {

ofSetColor(39);

}

else {

ofSetColor(ofMap(param, anime_rate * 0.9, anime_rate, 39, 239));

}

ofDrawLine(glm::vec2(), source_location + noise_location);

ofSetColor(39);

ofBeginShape();

ofVertices(in);

reverse(out.begin(), out.end());

ofVertices(out);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200803

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年7月20日

Round and round. Draw by openFrameworks

[ Video ]

[ About ]
くるくる円形。

Round and round.

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

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

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

	ofSeedRandom(39);

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

	for (int x = -800; x <= 800; x += 800) {

		for (int y = -800; y <= 800; y += 800) {

			this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), 0, 180, 20);
			for (auto radius = 120; radius < 360; radius += 60) {

				this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), radius, 60, 20);
			}
		}
	}
}

//--------------------------------------------------------------
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) {

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	auto noise_value = glm::vec2(ofNoise(noise_seed.x, ofGetFrameNum() * 0.002), ofNoise(noise_seed.y, ofGetFrameNum() * 0.002));

	auto angle_x = ofMap(noise_value.x, 0, 1, -PI * 2, PI * 2);
	auto angle_y = ofMap(noise_value.y, 0, 1, -PI * 2, PI * 2);

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

	for (int deg = 0; deg < 360; deg += 1) {

		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 + 1) * DEG_TO_RAD), (radius + width * 0.5)  * sin((deg + 1) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5)  * sin((deg + 1) * 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 + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * 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 + glm::vec4(vertex, 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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int x = -800; x <= 800; x += 800) {

for (int y = -800; y <= 800; y += 800) {

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), 0, 180, 20);

for (auto radius = 120; radius < 360; radius += 60) {

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), radius, 60, 20);

}

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

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) {

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

auto noise_value = glm::vec2(ofNoise(noise_seed.x, ofGetFrameNum() * 0.002), ofNoise(noise_seed.y, ofGetFrameNum() * 0.002));

auto angle_x = ofMap(noise_value.x, 0, 1, -PI * 2, PI * 2);

auto angle_y = ofMap(noise_value.y, 0, 1, -PI * 2, PI * 2);

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

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

for (int deg = 0; deg < 360; deg += 1) {

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 + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + 1) * 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 + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + 1) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + 1) * 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 + glm::vec4(vertex, 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/Insta20200720/

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