RandomWalk – ページ 77 – プログラミング de 落描き

2020年7月10日

Random walk with a side trip. Draw by openFrameworks

[ Video ]

[ About ]
寄り道するランダムウォーク。

Random walk with a side trip.

[ Source ]

#pragma once
#include "ofMain.h"

class Walker {

public:
	Walker(glm::vec2 location);
	void update();
	void draw();
private:
	glm::vec2 location;
	glm::vec2 direction;

	glm::vec2 rotate_location;
	float rotate_radius;
	float rotate_deg;

	vector<glm::vec2> log;
};

class ofApp : public ofBaseApp {

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

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

	vector<Walker> walker_list;
};

#pragma once

#include "ofMain.h"

class Walker {

public:

Walker(glm::vec2 location);

void update();

void draw();

private:

glm::vec2 location;

glm::vec2 direction;

glm::vec2 rotate_location;

float rotate_radius;

float rotate_deg;

vector<glm::vec2> log;

};

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<Walker> walker_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
Walker::Walker(glm::vec2 location) {

	this->location = location;
	this->direction = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))) * 3;

	this->rotate_location = glm::vec2();
	this->rotate_radius = 0;
	this->rotate_deg = 0;
}

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

	if (this->location.x > -230 && this->location.x < 230 && this->location.y > -230 && this->location.y < 230) {

		if (this->log.size() > 0 && ofRandom(1000) < 5) {

			auto prev_location = this->log.back();
			auto rad = std::atan2(this->location.y - prev_location.y, this->location.x - prev_location.x);
			this->rotate_radius = 40;

			if (ofRandom(100) < 50) {

				this->rotate_location = this->location + glm::vec2(this->rotate_radius * cos(rad + PI * 0.5), this->rotate_radius * sin(rad + PI * 0.5));
				this->rotate_deg = 270;
			}
			else {

				this->rotate_location = this->location + glm::vec2(this->rotate_radius * cos(rad - PI * 0.5), this->rotate_radius * sin(rad - PI * 0.5));
				this->rotate_deg = 90;
			}
		}
	}

	if (this->rotate_radius < 10) {

		this->location += this->direction;

		if (this->location.x < -300 || this->location.x > 300) {

			this->direction *= -1;
			this->location += this->direction;
		}

		if (this->location.y < -300 || this->location.y > 300) {

			this->direction *= -1;
			this->location += this->direction;
		}
	}
	else {

		this->location = this->rotate_location + glm::vec2(this->rotate_radius * cos(this->rotate_deg * DEG_TO_RAD), this->rotate_radius * sin(this->rotate_deg * DEG_TO_RAD));
		this->rotate_deg += 15;
		this->rotate_radius = this->rotate_radius <= 0 ? 0 : this->rotate_radius - 0.5;

		this->direction = glm::normalize(this->location - this->log.back()) * 3;

		if (ofRandom(100) < 1) {

			this->rotate_radius = 0;
		}
	}

	this->log.push_back(this->location);

	while (this->log.size() > 35){
		
		this->log.erase(this->log.begin());
	}
}

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

	
	for (int i = 0; i < this->log.size() - 1; i++) {

		ofSetColor(ofColor(ofMap(i, 0, this->log.size(), 239, 39)));
		ofDrawLine(this->log[i], this->log[i + 1]);
	}

	ofFill();
	ofDrawCircle(this->log.back(), 4);
}

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);

	for (int i = 0; i < 55; i++) {

		this->walker_list.push_back(Walker(glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300))));
	}
}

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

	for (auto& walker : this->walker_list) {

		walker.update();
	}
}

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

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

	for (auto& walker : this->walker_list) {

		walker.draw();
	}
}

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

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

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#include "ofApp.h"

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

Walker::Walker(glm::vec2 location) {

this->location = location;

this->direction = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))) * 3;

this->rotate_location = glm::vec2();

this->rotate_radius = 0;

this->rotate_deg = 0;

}

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

void Walker::update() {

if (this->location.x > -230 && this->location.x < 230 && this->location.y > -230 && this->location.y < 230) {

if (this->log.size() > 0 && ofRandom(1000) < 5) {

auto prev_location = this->log.back();

auto rad = std::atan2(this->location.y - prev_location.y, this->location.x - prev_location.x);

this->rotate_radius = 40;

if (ofRandom(100) < 50) {

this->rotate_location = this->location + glm::vec2(this->rotate_radius * cos(rad + PI * 0.5), this->rotate_radius * sin(rad + PI * 0.5));

this->rotate_deg = 270;

}

else {

this->rotate_location = this->location + glm::vec2(this->rotate_radius * cos(rad - PI * 0.5), this->rotate_radius * sin(rad - PI * 0.5));

this->rotate_deg = 90;

}

if (this->rotate_radius < 10) {

this->location += this->direction;

if (this->location.x < -300 || this->location.x > 300) {

this->direction *= -1;

this->location += this->direction;

}

if (this->location.y < -300 || this->location.y > 300) {

this->direction *= -1;

this->location += this->direction;

}

else {

this->location = this->rotate_location + glm::vec2(this->rotate_radius * cos(this->rotate_deg * DEG_TO_RAD), this->rotate_radius * sin(this->rotate_deg * DEG_TO_RAD));

this->rotate_deg += 15;

this->rotate_radius = this->rotate_radius <= 0 ? 0 : this->rotate_radius - 0.5;

this->direction = glm::normalize(this->location - this->log.back()) * 3;

if (ofRandom(100) < 1) {

this->rotate_radius = 0;

}

this->log.push_back(this->location);

while (this->log.size() > 35){

this->log.erase(this->log.begin());

}

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

void Walker::draw() {

for (int i = 0; i < this->log.size() - 1; i++) {

ofSetColor(ofColor(ofMap(i, 0, this->log.size(), 239, 39)));

ofDrawLine(this->log[i], this->log[i + 1]);

}

ofFill();

ofDrawCircle(this->log.back(), 4);

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

for (int i = 0; i < 55; i++) {

this->walker_list.push_back(Walker(glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300))));

}

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

void ofApp::update() {

for (auto& walker : this->walker_list) {

walker.update();

}

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

void ofApp::draw() {

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

for (auto& walker : this->walker_list) {

walker.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200710

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2020年7月2日2020年7月2日

Connect random walks with a curve. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォークを曲線でつなぐ。

Connect random walks with a curve.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	vector<glm::vec2> location_list;
	vector<float> deg_list;

	for (int i = 0; i < 35; i++) {

		location_list.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetWidth() - 50),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetHeight() - 50)));
		deg_list.push_back(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -180, 180));
	}

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

		ofNoFill();
		for (int k = i + 1; k < location_list.size(); k++) {

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < 80) {

				distance > 60 ? ofSetColor(39, ofMap(distance, 60, 80, 255, 0)) : ofSetColor(39);
				
				auto handle_1 = location_list[i] + glm::vec2(50 * cos(deg_list[i] * DEG_TO_RAD), 50 * sin(deg_list[i] * DEG_TO_RAD));
				auto handle_2 = location_list[k] + glm::vec2(50 * cos(deg_list[k] * DEG_TO_RAD), 50 * sin(deg_list[k] * DEG_TO_RAD));

				ofBeginShape();
				ofVertex(location_list[i]);
				ofBezierVertex(handle_1, handle_2, location_list[k]);
				ofEndShape();
			}
		}

		ofFill();
		ofSetColor(39);
		ofDrawCircle(location_list[i], 5);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<glm::vec2> location_list;

vector<float> deg_list;

for (int i = 0; i < 35; i++) {

location_list.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetWidth() - 50),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetHeight() - 50)));

deg_list.push_back(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -180, 180));

}

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

ofNoFill();

for (int k = i + 1; k < location_list.size(); k++) {

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < 80) {

distance > 60 ? ofSetColor(39, ofMap(distance, 60, 80, 255, 0)) : ofSetColor(39);

auto handle_1 = location_list[i] + glm::vec2(50 * cos(deg_list[i] * DEG_TO_RAD), 50 * sin(deg_list[i] * DEG_TO_RAD));

auto handle_2 = location_list[k] + glm::vec2(50 * cos(deg_list[k] * DEG_TO_RAD), 50 * sin(deg_list[k] * DEG_TO_RAD));

ofBeginShape();

ofVertex(location_list[i]);

ofBezierVertex(handle_1, handle_2, location_list[k]);

ofEndShape();

}

ofFill();

ofSetColor(39);

ofDrawCircle(location_list[i], 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200702

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年6月9日2020年6月9日

Two random walk groups. Draw by openFrameworks

[ Video ]

[ About ]
二つのランダムウォークグループ。

Two random walk groups.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size,  pair<ofColor, ofColor> colors);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_list;
	vector<pair<ofColor, ofColor>> colors_list;
	vector<int> param_list;
	vector<vector<int>> route_info_list;

	vector<int> index_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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, pair<ofColor, ofColor> colors);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<pair<ofColor, ofColor>> colors_list;

vector<int> param_list;

vector<vector<int>> route_info_list;

vector<int> index_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

	int span = 20;
	for (int x = -180; x <= 180; x += span) {

		for (int y = -180; y <= 180; y += span) {

			for (int z = -180; z <= 180; z += span) {

				bool x_flag = x < -140 || x > 140;
				bool y_flag = y < -140 || y > 140;
				bool z_flag = z < -140 || z > 140;

				if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

					for (int tmp_x = -180; tmp_x <= 180; tmp_x += 360) {

						for (int tmp_y = -180; tmp_y <= 180; tmp_y += 360) {

							for (int tmp_z = -180; tmp_z <= 180; tmp_z += 360) {

								this->location_list.push_back(glm::vec3(x + tmp_x, y + tmp_y, z + tmp_z));
								this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(39), ofColor(239, 39, 39)));
								this->param_list.push_back(0);
							}
						}
					}
				}
			}
		}
	}

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

		for (int y = -250; y <= 250; y += span) {

			for (int z = -250; z <= 250; z += span) {

				bool x_flag = x < -180 || x > 180;
				bool y_flag = y < -180 || y > 180;
				bool z_flag = z < -180 || z > 180;

				if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

					this->location_list.push_back(glm::vec3(x, y, z));
					this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(239, 39, 39), ofColor(39)));
					this->param_list.push_back(0);
				}
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> route_info = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				route_info.push_back(index);
			}
		}

		this->route_info_list.push_back(route_info);
	}

	for (int i = 0; i < 200; i++) {

		this->index_list.push_back((int)ofRandom(this->location_list.size()));
	}
}

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

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

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

		int tmp_index = (int)ofRandom(this->route_info_list[this->index_list[i]].size());
		for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

			int next_index = this->route_info_list[this->index_list[i]][(tmp_index + k) % this->route_info_list[this->index_list[i]].size()];
			if (this->param_list[next_index] <= 0) {

				this->param_list[next_index] = 60;
				this->index_list[i] = next_index;
				break;
			}
		}
	}

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

		if (this->param_list[i] > 0) {

			this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20, this->colors_list[i]);
		}

		if (this->param_list[i] > 0) { this->param_list[i] -= 1; }
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.55);
	ofRotateX(ofGetFrameNum() * 0.35);

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

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, pair<ofColor, ofColor> colors) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size, colors);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors) {

	int face_index = face_target.getNumVertices();
	int frame_index = frame_target.getNumVertices();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

	face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

	face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);
	face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

	frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
	frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);
	frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

	frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 6);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7);

	for (int i = 0; i < 8; i++) {

		face_target.addColor(colors.first);
		frame_target.addColor(colors.second);
	}
}

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

int span = 20;

for (int x = -180; x <= 180; x += span) {

for (int y = -180; y <= 180; y += span) {

for (int z = -180; z <= 180; z += span) {

bool x_flag = x < -140 || x > 140;

bool y_flag = y < -140 || y > 140;

bool z_flag = z < -140 || z > 140;

if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

for (int tmp_x = -180; tmp_x <= 180; tmp_x += 360) {

for (int tmp_y = -180; tmp_y <= 180; tmp_y += 360) {

for (int tmp_z = -180; tmp_z <= 180; tmp_z += 360) {

this->location_list.push_back(glm::vec3(x + tmp_x, y + tmp_y, z + tmp_z));

this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(39), ofColor(239, 39, 39)));

this->param_list.push_back(0);

}

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

for (int y = -250; y <= 250; y += span) {

for (int z = -250; z <= 250; z += span) {

bool x_flag = x < -180 || x > 180;

bool y_flag = y < -180 || y > 180;

bool z_flag = z < -180 || z > 180;

if (((x_flag || y_flag) && z_flag) || ((y_flag || z_flag) && x_flag)) {

this->location_list.push_back(glm::vec3(x, y, z));

this->colors_list.push_back(make_pair<ofColor, ofColor>(ofColor(239, 39, 39), ofColor(39)));

this->param_list.push_back(0);

}

for (auto& location : this->location_list) {

vector<int> route_info = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

route_info.push_back(index);

}

this->route_info_list.push_back(route_info);

}

for (int i = 0; i < 200; i++) {

this->index_list.push_back((int)ofRandom(this->location_list.size()));

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

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

int tmp_index = (int)ofRandom(this->route_info_list[this->index_list[i]].size());

for (int k = 0; k < this->route_info_list[this->index_list[i]].size(); k++) {

int next_index = this->route_info_list[this->index_list[i]][(tmp_index + k) % this->route_info_list[this->index_list[i]].size()];

if (this->param_list[next_index] <= 0) {

this->param_list[next_index] = 60;

this->index_list[i] = next_index;

break;

}

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

if (this->param_list[i] > 0) {

this->setBoxToMesh(this->face, this->frame, this->location_list[i], 20, this->colors_list[i]);

}

if (this->param_list[i] > 0) { this->param_list[i] -= 1; }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.55);

ofRotateX(ofGetFrameNum() * 0.35);

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, pair<ofColor, ofColor> colors) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size, colors);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, pair<ofColor, ofColor> colors) {

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 6);

frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7);

for (int i = 0; i < 8; i++) {

face_target.addColor(colors.first);

frame_target.addColor(colors.second);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200609

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