プログラミング de 落描き – ページ 652 – 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

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

2020年2月25日

Hidden of Hidden. openFrameworks

[ Video ]

[ About ]
Hidden of Hidden.

[ 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;
	ofTrueTypeFont font;
	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;

ofTrueTypeFont font;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

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

	auto radius = 150;
	for (int x = -250; x <= 250; x += 20) {

		int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, 360);
		int start_index = this->face.getNumVertices();
		for (int deg = deg_start; deg < deg_start + 120; deg += 3) {

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(x + 9.9, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x + 9.9, radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x - 9.9, radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x - 9.9, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * 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->frame.addIndex(index + 0); this->frame.addIndex(index + 1);
			this->frame.addIndex(index + 2); this->frame.addIndex(index + 3);
		}

		this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 3);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
	}
}

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

	this->cam.begin();

	ofRotateX(180);

	auto word = "Hidden";
	auto base_location = glm::vec2(this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);
	auto param = ofGetFrameNum();

	vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
	for (int word_index = 0; word_index < word_path.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();

		ofFill();
		ofSetColor(39);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			vector<glm::vec3> vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) { vertex += glm::vec3(base_location, 0); }

			ofVertices(vertices);
		}
		ofEndShape();
	}

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

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto radius = 150;

for (int x = -250; x <= 250; x += 20) {

int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0, 360);

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

for (int deg = deg_start; deg < deg_start + 120; deg += 3) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x + 9.9, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x + 9.9, radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x - 9.9, radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x - 9.9, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * 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->frame.addIndex(index + 0); this->frame.addIndex(index + 1);

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

}

this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 3);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

auto word = "Hidden";

auto base_location = glm::vec2(this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

auto param = ofGetFrameNum();

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofFill();

ofSetColor(39);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) { vertex += glm::vec3(base_location, 0); }

ofVertices(vertices);

}

ofEndShape();

}

ofSetColor(239);

this->face.drawFaces();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200225

2025年7月
月	火	水	木	金	土	日
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30	31