プログラミング de 落描き – ページ 505 – 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2月28日2020年2月28日

Ribbons on sphere. openFrameworks

[ Video ]

[ About ]
球体座標上のリボン。

Ribbons 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) {};

	ofEasyCam cam;
	vector<glm::vec3> base_vertices;
	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;

vector<glm::vec3> base_vertices;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 2);
	auto triangles = ico_sphere.getMesh().getUniqueFaces();

	for (auto& triangle : triangles) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		this->base_vertices.push_back(avg);
	}

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

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

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	auto param = glm::vec3(3.5, 0, 0);
	for (auto& vertex : this->base_vertices) {

		int start_index = this->frame.getNumVertices();
		for (int i = 0; i < 20; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

			auto next_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));
			auto next_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

			glm::vec3 tmp = glm::vec4(vertex, 0) * rotation_y * rotation_x;
			glm::vec3 next_tmp = glm::vec4(vertex, 0) * next_rotation_y * next_rotation_x;

			glm::vec3 direction = next_tmp - tmp;
			auto theta = atan2(direction.y, direction.x);
			auto tmp_rotation_x = glm::rotate(glm::mat4(), (float)(PI * 0.5), glm::vec3(1, 0, 0));
			auto tmp_rotation_y = glm::rotate(glm::mat4(), (float)(theta + PI * 0.5), glm::vec3(0, 1, 0));
			glm::vec3 tmp_param = glm::vec4(param, 0) * tmp_rotation_y * tmp_rotation_x;

			int face_index = this->face.getNumVertices() - 2;
			int frame_index = this->frame.getNumVertices() - 2;

			this->face.addVertex(tmp + tmp_param);
			this->face.addVertex(tmp - tmp_param);

			this->frame.addVertex(tmp + tmp_param);
			this->frame.addVertex(tmp - tmp_param);
			
			if (i > 0) {

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

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

		this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 1);
		this->frame.addIndex(frame.getNumVertices() - 1); this->frame.addIndex(frame.getNumVertices() - 2);
	}
}

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

	this->cam.begin();

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

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

	this->cam.end();
}

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 2);

auto triangles = ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangles) {

auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

this->base_vertices.push_back(avg);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

auto param = glm::vec3(3.5, 0, 0);

for (auto& vertex : this->base_vertices) {

int start_index = this->frame.getNumVertices();

for (int i = 0; i < 20; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

auto next_rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -PI, PI), glm::vec3(1, 0, 0));

auto next_rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

glm::vec3 tmp = glm::vec4(vertex, 0) * rotation_y * rotation_x;

glm::vec3 next_tmp = glm::vec4(vertex, 0) * next_rotation_y * next_rotation_x;

glm::vec3 direction = next_tmp - tmp;

auto theta = atan2(direction.y, direction.x);

auto tmp_rotation_x = glm::rotate(glm::mat4(), (float)(PI * 0.5), glm::vec3(1, 0, 0));

auto tmp_rotation_y = glm::rotate(glm::mat4(), (float)(theta + PI * 0.5), glm::vec3(0, 1, 0));

glm::vec3 tmp_param = glm::vec4(param, 0) * tmp_rotation_y * tmp_rotation_x;

int face_index = this->face.getNumVertices() - 2;

int frame_index = this->frame.getNumVertices() - 2;

this->face.addVertex(tmp + tmp_param);

this->face.addVertex(tmp - tmp_param);

this->frame.addVertex(tmp + tmp_param);

this->frame.addVertex(tmp - tmp_param);

if (i > 0) {

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

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

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

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

}

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200228

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2020年2月27日2020年2月27日

Symbol and falling. Processing

[ Video ]

[ About ]
Processing勉強会 #32 課題「記号と落下」

Symbol and falling.

[ Source ]

import shiffman.box2d.*;
import org.jbox2d.collision.shapes.*;
import org.jbox2d.common.*;
import org.jbox2d.dynamics.*;

Box2DProcessing box2d;
ArrayList<Boundary> boundalyList;
ArrayList<Character> characterList;
ArrayList<String> mojiList;

void setup() {

  size(720, 720);

  PFont font = createFont("ＭＳ Ｐゴシック", 30, true);
  textFont(font);

  box2d = new Box2DProcessing(this);
  box2d.createWorld();
  box2d.setGravity(0, -25);

  boundalyList = new ArrayList<Boundary>();
  characterList = new ArrayList<Character>();
  mojiList = new ArrayList<String>();

  boundalyList.add(new Boundary(width * 0.5, height - 50, 250, 25));

  mojiList.add("(*•ω•*)");
  mojiList.add("( ´;ω;` )");
  mojiList.add("ヾ(*´∀｀*)ﾉ");
  mojiList.add("ヾ(*ΦωΦ)ﾉ");
  mojiList.add("( • ̀ω•́ )ゞ");
}

void draw() {

  background(239);

  this.box2d.step();

  if (random(1) < 0.05) {

    Character character = new Character(random(width * 0.5 - 50, width * 0.5 + 50), 100);
    characterList.add(character);
  }

  for (Boundary boundary : boundalyList) {

    boundary.display();
  }

  for (Character character : characterList) {

    character.display();
  }

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

    if (characterList.get(i).death()) {

      characterList.remove(i);
    }
  }
}

import shiffman.box2d.*;

import org.jbox2d.collision.shapes.*;

import org.jbox2d.common.*;

import org.jbox2d.dynamics.*;

Box2DProcessing box2d;

ArrayList<Boundary> boundalyList;

ArrayList<Character> characterList;

ArrayList<String> mojiList;

void setup() {

size(720, 720);

PFont font = createFont("ＭＳＰゴシック", 30, true);

textFont(font);

box2d = new Box2DProcessing(this);

box2d.createWorld();

box2d.setGravity(0, -25);

boundalyList = new ArrayList<Boundary>();

characterList = new ArrayList<Character>();

mojiList = new ArrayList<String>();

boundalyList.add(new Boundary(width * 0.5, height - 50, 250, 25));

mojiList.add("(*•ω•*)");

mojiList.add("( ´;ω;` )");

mojiList.add("ヾ(*´∀｀*)ﾉ");

mojiList.add("ヾ(*ΦωΦ)ﾉ");

mojiList.add("( • ̀ω•́ )ゞ");

}

void draw() {

background(239);

this.box2d.step();

if (random(1) < 0.05) {

Character character = new Character(random(width * 0.5 - 50, width * 0.5 + 50), 100);

characterList.add(character);

}

for (Boundary boundary : boundalyList) {

boundary.display();

}

for (Character character : characterList) {

character.display();

}

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

if (characterList.get(i).death()) {

characterList.remove(i);

}

class Boundary {

  Body body;
  float x, y, w, h;

  Boundary(float x, float y, float w, float h) {

    this.x = x;
    this.y = y;
    this.w = w;
    this.h = h;

    BodyDef bodyDef = new BodyDef();
    bodyDef.type = BodyType.STATIC;
    bodyDef.position.set(box2d.coordPixelsToWorld(this.x, this.y));
    body = box2d.createBody(bodyDef);

    PolygonShape polygonShape = new PolygonShape();
    float box2dWidth = box2d.scalarPixelsToWorld(this.w * 0.5);
    float box2dHeight = box2d.scalarPixelsToWorld(this.h * 0.5);
    polygonShape.setAsBox(box2dWidth, box2dHeight);

    body.createFixture(polygonShape, 1);
  }

  void display() {

    fill(39);
    stroke(239);
    rectMode(CENTER);
    rect(this.x, this.y, this.w, this.h);
  }
}

class Boundary {

Body body;

float x, y, w, h;

Boundary(float x, float y, float w, float h) {

this.x = x;

this.y = y;

this.w = w;

this.h = h;

BodyDef bodyDef = new BodyDef();

bodyDef.type = BodyType.STATIC;

bodyDef.position.set(box2d.coordPixelsToWorld(this.x, this.y));

body = box2d.createBody(bodyDef);

PolygonShape polygonShape = new PolygonShape();

float box2dWidth = box2d.scalarPixelsToWorld(this.w * 0.5);

float box2dHeight = box2d.scalarPixelsToWorld(this.h * 0.5);

polygonShape.setAsBox(box2dWidth, box2dHeight);

body.createFixture(polygonShape, 1);

}

void display() {

fill(39);

stroke(239);

rectMode(CENTER);

rect(this.x, this.y, this.w, this.h);

}

class Character {

  Body body;
  int mojiIndex = 0;

  Character(float x, float y) {

    this.mojiIndex = (int)random(mojiList.size());

    BodyDef bodyDef = new BodyDef();
    bodyDef.type = BodyType.DYNAMIC;

    bodyDef.position = box2d.coordPixelsToWorld(x, y);
    this.body = box2d.world.createBody(bodyDef);

    PolygonShape polygonShape = new PolygonShape();
    polygonShape.setAsBox(box2d.scalarPixelsToWorld(textWidth(mojiList.get(this.mojiIndex)) * 0.5), box2d.scalarPixelsToWorld(16));

    FixtureDef fixtureDef = new FixtureDef();
    fixtureDef.shape = polygonShape;
    fixtureDef.density = 1;
    fixtureDef.friction = 0.3;
    fixtureDef.restitution = 0.5;

    this.body.createFixture(fixtureDef);
  }

  void display() {

    Vec2 position = box2d.getBodyPixelCoord(this.body);
    float angle = this.body.getAngle();

    pushMatrix();

    translate(position.x, position.y);
    rotate(-angle);

    fill(39);
    textAlign(CENTER, CENTER);
    text(mojiList.get(this.mojiIndex), 0, 0);

    popMatrix();
  }

  Boolean death() {

    return box2d.getBodyPixelCoord(this.body).y > height + 30;
  }
}

class Character {

Body body;

int mojiIndex = 0;

Character(float x, float y) {

this.mojiIndex = (int)random(mojiList.size());

BodyDef bodyDef = new BodyDef();

bodyDef.type = BodyType.DYNAMIC;

bodyDef.position = box2d.coordPixelsToWorld(x, y);

this.body = box2d.world.createBody(bodyDef);

PolygonShape polygonShape = new PolygonShape();

polygonShape.setAsBox(box2d.scalarPixelsToWorld(textWidth(mojiList.get(this.mojiIndex)) * 0.5), box2d.scalarPixelsToWorld(16));

FixtureDef fixtureDef = new FixtureDef();

fixtureDef.shape = polygonShape;

fixtureDef.density = 1;

fixtureDef.friction = 0.3;

fixtureDef.restitution = 0.5;

this.body.createFixture(fixtureDef);

}

void display() {

Vec2 position = box2d.getBodyPixelCoord(this.body);

float angle = this.body.getAngle();

pushMatrix();

translate(position.x, position.y);

rotate(-angle);

fill(39);

textAlign(CENTER, CENTER);

text(mojiList.get(this.mojiIndex), 0, 0);

popMatrix();

}

Boolean death() {

return box2d.getBodyPixelCoord(this.body).y > height + 30;

}

[ Link ]
https://github.com/junkiyoshi/Insta20200227

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2020年2月26日2020年2月26日

Ring Ring Ring. openFrameworks

[ Video ]

[ About ]
環の球体

Ring 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) {};

	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();

	int radius = 300;
	int theta_start = (int)(ofGetFrameNum() * 0.5) % 10;
	for (int theta = theta_start; theta < theta_start + 180; theta += 10) {

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

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

			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(
				radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));

			vertices.push_back(glm::vec3(
				(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				(radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
				radius * cos((theta + 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				(radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * DEG_TO_RAD)
			));
			vertices.push_back(glm::vec3(
				(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
				radius * cos((theta - 1) * 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 + 2);
			this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

			this->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);
			this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

			this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);
			this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

			this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);
			this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

			this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);
			this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);

		}
	}
}


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

	this->cam.begin();
	ofRotateX(270);

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

	ofSetColor(239);
	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(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

int radius = 300;

int theta_start = (int)(ofGetFrameNum() * 0.5) % 10;

for (int theta = theta_start; theta < theta_start + 180; theta += 10) {

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

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

radius * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * cos((theta + 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 1) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * DEG_TO_RAD)

));

vertices.push_back(glm::vec3(

(radius - 30) * cos(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin(phi * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * cos((theta - 1) * 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 + 2);

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

this->face.addIndex(index + 4); this->face.addIndex(index + 5); this->face.addIndex(index + 6);

this->face.addIndex(index + 4); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

this->face.addIndex(index + 0); this->face.addIndex(index + 4); this->face.addIndex(index + 5);

this->face.addIndex(index + 0); this->face.addIndex(index + 5); this->face.addIndex(index + 1);

this->face.addIndex(index + 2); this->face.addIndex(index + 6); this->face.addIndex(index + 7);

this->face.addIndex(index + 2); this->face.addIndex(index + 7); this->face.addIndex(index + 3);

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

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

this->frame.addIndex(index + 4); this->frame.addIndex(index + 5);

this->frame.addIndex(index + 6); this->frame.addIndex(index + 7);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200226

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