openFrameworks – ページ 456 – プログラミング de 落描き

2021年10月5日2021年10月5日

Spheres ring. Draw by openFrameworks

[ Video ]

[ About ]
下記の式で輪の動きを反転させる。

The following equation reverses the motion of the wheel.

int theta_start = radius == 150 ? (int)(ofGetFrameNum() * 0.5) % 10 * -1:  (int)(ofGetFrameNum() * 0.5) % 10;

1	int theta_start = radius == 150 ? (int)(ofGetFrameNum() * 0.5) % 10 * -1: (int)(ofGetFrameNum() * 0.5) % 10;

[ 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	for (int radius = 150; radius <= 300; radius += 150) {

		int theta_start = radius == 150 ? (int)(ofGetFrameNum() * 0.5) % 10 * -1:  (int)(ofGetFrameNum() * 0.5) % 10;
		for (int theta = theta_start; theta < theta_start + 180; theta += 10) {

			for (int phi = 0; phi < 360; phi += 3) {

				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 + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					radius * cos((theta + 1) * DEG_TO_RAD)
				));
				vertices.push_back(glm::vec3(
					radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					radius * sin((phi + 3) * 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 + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),
					(radius - 30) * sin((phi + 3) * 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 + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),
					(radius - 30) * sin((phi + 3) * 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);

				for (int i = 0; i < vertices.size(); i++) {

					this->face.addColor(radius == 150 ? ofColor(239) : ofColor(39));
					this->frame.addColor(radius == 150 ? ofColor(39) : ofColor(239));
				}

			}
		}
	}
}


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

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

	this->face.draw();
	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);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (int radius = 150; radius <= 300; radius += 150) {

int theta_start = radius == 150 ? (int)(ofGetFrameNum() * 0.5) % 10 * -1: (int)(ofGetFrameNum() * 0.5) % 10;

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

for (int phi = 0; phi < 360; phi += 3) {

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 + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

radius * sin((phi + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

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

));

vertices.push_back(glm::vec3(

radius * cos((phi + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

radius * sin((phi + 3) * 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 + 3) * DEG_TO_RAD) * sin((theta + 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * 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 + 3) * DEG_TO_RAD) * sin((theta - 1) * DEG_TO_RAD),

(radius - 30) * sin((phi + 3) * 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);

for (int i = 0; i < vertices.size(); i++) {

this->face.addColor(radius == 150 ? ofColor(239) : ofColor(39));

this->frame.addColor(radius == 150 ? ofColor(39) : ofColor(239));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211005

2021年10月4日

ﾗｾﾝ. Draw by openFrameworks

[ Video ]

[ About ]

[ 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> location_list;
	vector<int> param_list;
	vector<int> word_index_list;
	vector<vector<int>> route_info_list;

	vector<int> index_list;

	ofTrueTypeFont font;
	int font_size;

	vector<string> words;
};

#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> location_list;

vector<int> param_list;

vector<int> word_index_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

ofTrueTypeFont font;

int font_size;

vector<string> words;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();

	this->font_size = 25;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);

	this->words = {

		u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",
		u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",
		u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",
		u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",
		u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",
		u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",
		u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",
		u8"ﾔ", u8"ﾕ", u8"ﾖ",
		u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",
		u8"ﾜ", u8"ｦ", u8"ﾝ",
	};
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	
	int span = 1;
	for (int i = 0; i < 500; i++) {

		int x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, -300, 300);
		int y = 0;
		y = ofRandom(150, 170);
		y *= ofRandom(1) < 0.5 ? 1 : -1;
		int z = ofRandom(-20, 20);

		auto location = glm::vec3(x, y, z);
		auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
		location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x;

		int rb = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 39, 239);
		ofSetColor(rb, 239, rb);

		ofPushMatrix();
		ofTranslate(location - glm::vec3(15, 15, 0));
		ofRotateZ(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());
		ofRotateY(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());
		ofRotateX(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

		this->font.drawString(this->words[(int)ofRandom(this->words.size())], 0, 0);

		ofPopMatrix();
	}

	for (int i = 0; i < 500; i++) {

		int x = (int)ofRandom(12) * 50 - 250 + ofRandom(-5, 5);
		int y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -170, 170);
		int z = ofRandom(-10, 10);

		auto location = glm::vec3(x, y, z);
		auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
		location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x;

		ofPushMatrix();
		ofTranslate(location - glm::vec3(15, 15, 0));
		ofRotateZ(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());
		ofRotateY(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());
		ofRotateX(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

		int rb = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 39, 239);
		ofSetColor(rb, 239, rb);

		this->font.drawString(this->words[(int)ofRandom(this->words.size())], 0, 0);

		ofPopMatrix();
	}

	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(0);

ofEnableDepthTest();

this->font_size = 25;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

this->words = {

u8"ｱ", u8"ｲ", u8"ｳ", u8"ｴ", u8"ｵ",

u8"ｶ", u8"ｷ", u8"ｸ", u8"ｹ", u8"ｺ",

u8"ｻ", u8"ｼ", u8"ｽ", u8"ｾ", u8"ｿ",

u8"ﾀ", u8"ﾁ", u8"ﾂ", u8"ﾃ", u8"ﾄ",

u8"ﾅ", u8"ﾆ", u8"ﾇ", u8"ﾈ", u8"ﾉ",

u8"ﾊ", u8"ﾋ", u8"ﾌ", u8"ﾍ", u8"ﾎ",

u8"ﾏ", u8"ﾐ", u8"ﾑ", u8"ﾒ", u8"ﾓ",

u8"ﾔ", u8"ﾕ", u8"ﾖ",

u8"ﾗ", u8"ﾘ", u8"ﾙ", u8"ﾚ", u8"ﾛ",

u8"ﾜ", u8"ｦ", u8"ﾝ",

};

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int span = 1;

for (int i = 0; i < 500; i++) {

int x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, -300, 300);

int y = 0;

y = ofRandom(150, 170);

y *= ofRandom(1) < 0.5 ? 1 : -1;

int z = ofRandom(-20, 20);

auto location = glm::vec3(x, y, z);

auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x;

int rb = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 39, 239);

ofSetColor(rb, 239, rb);

ofPushMatrix();

ofTranslate(location - glm::vec3(15, 15, 0));

ofRotateZ(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

ofRotateY(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

ofRotateX(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

this->font.drawString(this->words[(int)ofRandom(this->words.size())], 0, 0);

ofPopMatrix();

}

for (int i = 0; i < 500; i++) {

int x = (int)ofRandom(12) * 50 - 250 + ofRandom(-5, 5);

int y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, -170, 170);

int z = ofRandom(-10, 10);

auto location = glm::vec3(x, y, z);

auto rotation_x = glm::rotate(glm::mat4(), (ofGetFrameNum() * span + x * span + 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

location = glm::vec3(x, 0, 0) + glm::vec4(location, 0) * rotation_x;

ofPushMatrix();

ofTranslate(location - glm::vec3(15, 15, 0));

ofRotateZ(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

ofRotateY(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

ofRotateX(ofRandom(360) + ofRandom(0.2, 1) * ofGetFrameNum());

int rb = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 39, 239);

ofSetColor(rb, 239, rb);

this->font.drawString(this->words[(int)ofRandom(this->words.size())], 0, 0);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211004

2021年10月3日

Random walker in character. Draw by openFrameworks

[ Video ]

[ About ]
リボン状のランダムウォーカー。

Ribbon-shaped random walker.

[ 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<ofMesh> face_list;
	vector<ofMesh> frame_list;
	vector<ofColor> color_list;
	vector<glm::vec3> direction_list;
	vector<glm::vec3> noise_seed_list;
	vector<float> noise_step_list;

	ofFbo fbo;
	ofPixels pixels;
};

#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<ofMesh> face_list;

vector<ofMesh> frame_list;

vector<ofColor> color_list;

vector<glm::vec3> direction_list;

vector<glm::vec3> noise_seed_list;

vector<float> noise_step_list;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-bold.ttf", 280, true, true, true);
	string word = "NFT";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) - 140);

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	vector<ofColor> base_color_list;
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	for (int i = 0; i < 1000; i++) {

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		glm::vec3 base;
		while (true) {

			int x = ofRandom(ofGetWidth());
			int y = ofRandom(ofGetHeight());
			if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

				base = glm::vec3(x, y, ofRandom(-30, 30));
				break;
			}
		}
		switch ((int)ofRandom(3)) {
		case 0:
			mesh.addVertex(base + glm::vec3(3, 0, 0));
			mesh.addVertex(base + glm::vec3(-3, 0, 0));
			frame.addVertex(base + glm::vec3(3, 0, 0));
			frame.addVertex(base + glm::vec3(-3, 0, 0));
			break;
		case 1:
			mesh.addVertex(base + glm::vec3(0, 3, 0));
			mesh.addVertex(base + glm::vec3(0, -3, 0));
			frame.addVertex(base + glm::vec3(0, 3, 0));
			frame.addVertex(base + glm::vec3(0, -3, 0));
			break;
		case 2:
			mesh.addVertex(base + glm::vec3(0, 0, 3));
			mesh.addVertex(base + glm::vec3(0, 0, -3));
			frame.addVertex(base + glm::vec3(0, 0, 3));
			frame.addVertex(base + glm::vec3(0, 0, -3));
			break;
		}

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

		this->face_list.push_back(mesh);
		this->frame_list.push_back(frame);

		auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		direction = glm::normalize(direction) * 3;
		this->direction_list.push_back(direction);

		auto noise_seed = glm::vec3(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
		this->noise_seed_list.push_back(noise_seed);

		this->noise_step_list.push_back(0.f);

		ofColor color;
		color.setHsb(ofRandom(255), 130, 255);
		this->color_list.push_back(color);
	}
}

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

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

		while (true) {

			this->noise_step_list[i] += 0.005;

			auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, this->noise_step_list[i]), 0, 1, -PI, PI);
			auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, this->noise_step_list[i]), 0, 1, -PI, PI);
			auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, this->noise_step_list[i]), 0, 1, -PI, PI);

			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));
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

			glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

			auto right = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 2);
			auto left = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 1);
			auto center = (right + left) / 2;

			auto feature = center + rotate_direction;
			int x = feature.x;
			int y = feature.y;
			if (feature.z > -30 && feature.z < 30) {

				if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

					this->face_list[i].addVertex(right + rotate_direction);
					this->face_list[i].addVertex(left + rotate_direction);

					this->frame_list[i].addVertex(right + rotate_direction);
					this->frame_list[i].addVertex(left + rotate_direction);

					break;
				}
			}
		}

		if (this->face_list[i].getNumVertices() > 30) {

			this->face_list[i].removeVertex(0);
			this->face_list[i].removeVertex(1);
		}
		else {

			int index = this->face_list[i].getNumVertices() - 1;
			this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 2); this->face_list[i].addIndex(index - 3);
			this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 1); this->face_list[i].addIndex(index - 3);
		}

		if (this->frame_list[i].getNumVertices() > 30) {

			this->frame_list[i].removeVertex(0);
			this->frame_list[i].removeVertex(1);
		}
		else {

			int index = this->frame_list[i].getNumVertices() - 1;
			this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);
			this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

			if (index == 29) {

				this->frame_list[i].addIndex(28);
				this->frame_list[i].addIndex(29);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateZ(45);

	if (ofGetFrameNum() % 480 > 120 && ofGetFrameNum() % 480 < 240) {

		ofRotateY(ofGetFrameNum() * 3);
	}
	else if(ofGetFrameNum() % 480 > 360) {

		ofRotateX(ofGetFrameNum() * 3);
	}

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

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

		ofSetColor(this->color_list[i]);
		this->face_list[i].draw();

		ofSetColor(139);
		this->frame_list[i].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);

ofSetLineWidth(0.5);

ofEnableDepthTest();

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->fbo.begin();

ofClear(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-bold.ttf", 280, true, true, true);

string word = "NFT";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) - 140);

this->fbo.end();

this->fbo.readToPixels(this->pixels);

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

vector<ofColor> base_color_list;

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

for (int i = 0; i < 1000; i++) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

glm::vec3 base;

while (true) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

base = glm::vec3(x, y, ofRandom(-30, 30));

break;

}

switch ((int)ofRandom(3)) {

case 0:

mesh.addVertex(base + glm::vec3(3, 0, 0));

mesh.addVertex(base + glm::vec3(-3, 0, 0));

frame.addVertex(base + glm::vec3(3, 0, 0));

frame.addVertex(base + glm::vec3(-3, 0, 0));

break;

case 1:

mesh.addVertex(base + glm::vec3(0, 3, 0));

mesh.addVertex(base + glm::vec3(0, -3, 0));

frame.addVertex(base + glm::vec3(0, 3, 0));

frame.addVertex(base + glm::vec3(0, -3, 0));

break;

case 2:

mesh.addVertex(base + glm::vec3(0, 0, 3));

mesh.addVertex(base + glm::vec3(0, 0, -3));

frame.addVertex(base + glm::vec3(0, 0, 3));

frame.addVertex(base + glm::vec3(0, 0, -3));

break;

}

frame.addIndex(0);

frame.addIndex(1);

this->face_list.push_back(mesh);

this->frame_list.push_back(frame);

auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * 3;

this->direction_list.push_back(direction);

auto noise_seed = glm::vec3(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

this->noise_seed_list.push_back(noise_seed);

this->noise_step_list.push_back(0.f);

ofColor color;

color.setHsb(ofRandom(255), 130, 255);

this->color_list.push_back(color);

}

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

void ofApp::update() {

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

while (true) {

this->noise_step_list[i] += 0.005;

auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, this->noise_step_list[i]), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, this->noise_step_list[i]), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, this->noise_step_list[i]), 0, 1, -PI, PI);

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));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

auto right = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 2);

auto left = this->face_list[i].getVertex(this->face_list[i].getNumVertices() - 1);

auto center = (right + left) / 2;

auto feature = center + rotate_direction;

int x = feature.x;

int y = feature.y;

if (feature.z > -30 && feature.z < 30) {

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

this->face_list[i].addVertex(right + rotate_direction);

this->face_list[i].addVertex(left + rotate_direction);

this->frame_list[i].addVertex(right + rotate_direction);

this->frame_list[i].addVertex(left + rotate_direction);

break;

}

if (this->face_list[i].getNumVertices() > 30) {

this->face_list[i].removeVertex(0);

this->face_list[i].removeVertex(1);

}

else {

int index = this->face_list[i].getNumVertices() - 1;

this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 2); this->face_list[i].addIndex(index - 3);

this->face_list[i].addIndex(index); this->face_list[i].addIndex(index - 1); this->face_list[i].addIndex(index - 3);

}

if (this->frame_list[i].getNumVertices() > 30) {

this->frame_list[i].removeVertex(0);

this->frame_list[i].removeVertex(1);

}

else {

int index = this->frame_list[i].getNumVertices() - 1;

this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);

this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

if (index == 29) {

this->frame_list[i].addIndex(28);

this->frame_list[i].addIndex(29);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateZ(45);

if (ofGetFrameNum() % 480 > 120 && ofGetFrameNum() % 480 < 240) {

ofRotateY(ofGetFrameNum() * 3);

}

else if(ofGetFrameNum() % 480 > 360) {

ofRotateX(ofGetFrameNum() * 3);

}

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

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

ofSetColor(this->color_list[i]);

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

ofSetColor(139);

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

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211003

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