noise – ページ 212 – プログラミング de 落描き

2020年12月22日2020年12月22日

Torus swell. Draw by openFrameworks

[ Video ]

[ About ]
トーラスのうねり。

Torus swell.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	vector<ofColor> base_color_list;

	float u_seed, v_seed;
	vector<pair<float, float>> deg_list;
	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

vector<ofColor> base_color_list;

float u_seed, v_seed;

vector<pair<float, float>> deg_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	this->u_seed = ofRandom(1000);
	this->v_seed = ofRandom(1000);

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	while (this->deg_list.size() < 800) {

		auto deg_pair = make_pair(ofRandom(360), ofRandom(360));
		this->deg_list.push_back(deg_pair);
		vector<glm::vec3> log;
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(60, 120));
	}

	for (int i = this->deg_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto location = this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second);
		auto u_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->u_seed + ofGetFrameNum() * 0.005)), 0, 1, -30, 30);
		auto v_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->v_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

		this->deg_list[i].first += u_param;
		this->deg_list[i].second += v_param;

		this->log_list[i].push_back(this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second));
		while (this->log_list[i].size() > 150) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 60) {

			ofSetLineWidth(2);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

this->u_seed = ofRandom(1000);

this->v_seed = ofRandom(1000);

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

while (this->deg_list.size() < 800) {

auto deg_pair = make_pair(ofRandom(360), ofRandom(360));

this->deg_list.push_back(deg_pair);

vector<glm::vec3> log;

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(60, 120));

}

for (int i = this->deg_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

continue;

}

auto location = this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second);

auto u_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->u_seed + ofGetFrameNum() * 0.005)), 0, 1, -30, 30);

auto v_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->v_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

this->deg_list[i].first += u_param;

this->deg_list[i].second += v_param;

this->log_list[i].push_back(this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second));

while (this->log_list[i].size() > 150) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 60) {

ofSetLineWidth(2);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201222

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2020年12月21日2021年9月24日

Noise walk on sphere. Draw by openFrameworks

[ Video ]

[ About ]
球体上のノイズウォーク。

Noise walk on 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) {};

	glm::vec3 make_point(float radius, float phi_deg, float theta_deg);

	ofEasyCam cam;
	vector<ofColor> base_color_list;

	float phi_seed, theta_seed;
	vector<pair<float, float>> deg_list;
	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

glm::vec3 make_point(float radius, float phi_deg, float theta_deg);

ofEasyCam cam;

vector<ofColor> base_color_list;

float phi_seed, theta_seed;

vector<pair<float, float>> deg_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	this->phi_seed = ofRandom(1000);
	this->theta_seed = ofRandom(1000);

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	while (this->deg_list.size() < 1800) {

		auto deg_pair = make_pair(ofRandom(360), ofRandom(180));
		this->deg_list.push_back(deg_pair);
		vector<glm::vec3> log;
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(60, 120));
	}

	for (int i = this->deg_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto location = this->make_point(300, this->deg_list[i].first, this->deg_list[i].second);
		auto phi_param = ofMap(ofNoise(glm::vec4(location * 0.005, this->phi_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);
		auto theta_param = ofMap(ofNoise(glm::vec4(location * 0.005, this->theta_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

		this->deg_list[i].first += phi_param;
		this->deg_list[i].second += theta_param;

		this->log_list[i].push_back(this->make_point(300, this->deg_list[i].first, this->deg_list[i].second));
		while (this->log_list[i].size() > 150) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 0.25);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 60) {

			ofSetLineWidth(2.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2.5));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float radius, float phi_deg, float theta_deg) {

	return glm::vec3(
		radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),
		radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),
		radius * cos(theta_deg * DEG_TO_RAD));
}


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

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

this->phi_seed = ofRandom(1000);

this->theta_seed = ofRandom(1000);

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

while (this->deg_list.size() < 1800) {

auto deg_pair = make_pair(ofRandom(360), ofRandom(180));

this->deg_list.push_back(deg_pair);

vector<glm::vec3> log;

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(60, 120));

}

for (int i = this->deg_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

continue;

}

auto location = this->make_point(300, this->deg_list[i].first, this->deg_list[i].second);

auto phi_param = ofMap(ofNoise(glm::vec4(location * 0.005, this->phi_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

auto theta_param = ofMap(ofNoise(glm::vec4(location * 0.005, this->theta_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

this->deg_list[i].first += phi_param;

this->deg_list[i].second += theta_param;

this->log_list[i].push_back(this->make_point(300, this->deg_list[i].first, this->deg_list[i].second));

while (this->log_list[i].size() > 150) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 0.25);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 60) {

ofSetLineWidth(2.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2.5));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float radius, float phi_deg, float theta_deg) {

return glm::vec3(

radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),

radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201221

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2020年12月19日2020年12月19日

noise(x, y, z + frame_count). Draw by openFrameworks

[ Video ]

[ About ]
noise(x, y, z + frame_count)

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	ofMesh face, 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;

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() {

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

	float phi_deg_step = 10;
	float theta_deg_step = 6;

	for (int x = -600; x <= 600; x += 600) {

		for (int z = -600; z <= 600; z += 600) {

			for (float radius = 150; radius <= 250; radius += 100) {

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

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

						auto noise_value = ofNoise(glm::vec3(
							x + radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD) * 0.003,
							radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD) * 0.003,
							z + radius * cos(theta_deg * DEG_TO_RAD) * 0.003 +
							ofGetFrameNum() * 0.03));

						if (noise_value > 0.55) {

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

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

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

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

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

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

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

	ofSetColor(239, 71, 111);
	this->face.draw();

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

	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(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

float phi_deg_step = 10;

float theta_deg_step = 6;

for (int x = -600; x <= 600; x += 600) {

for (int z = -600; z <= 600; z += 600) {

for (float radius = 150; radius <= 250; radius += 100) {

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

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

auto noise_value = ofNoise(glm::vec3(

x + radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD) * 0.003,

radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD) * 0.003,

z + radius * cos(theta_deg * DEG_TO_RAD) * 0.003 +

ofGetFrameNum() * 0.03));

if (noise_value > 0.55) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

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

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

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

vertices.push_back(glm::vec3(

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

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

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

vertices.push_back(glm::vec3(

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

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

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

vertices.push_back(glm::vec3(

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

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

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

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

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

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofSetColor(239, 71, 111);

this->face.draw();

ofSetColor(239);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201219

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