openFrameworks – ページ 451 – プログラミング de 落描き

2021年6月14日2021年6月14日

gradation body and outline. Draw by openFrameworks

[ Video ]

[ About ]
gradation body and outline.

[ 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(0);
}

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

	ofSeedRandom(39);
}

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

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

	ofColor color, tmp_color;
	for (int k = 0; k < 23; k++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		
		color.setHsb((int)ofRandom(200, 280) % 255, 255,255);

		ofMesh mesh, line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		vector<glm::vec3> right, left;

		glm::vec3 last_location;
		float last_theta;
		int len = 30;
		int head_size = 15;

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

			auto location = glm::vec3(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.005), 0, 1, -325, 325), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.005), 0, 1, -350, 350), 0);
			auto next = glm::vec3(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -325, 325), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -350, 350), 0);

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

			right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, len, 0, head_size) * sin(theta + PI * 0.5), 0));
			left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, len, 0, head_size) * sin(theta - PI * 0.5), 0));

			last_location = location;
			last_theta = theta;
		}

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

			mesh.addVertex(left[i]);
			mesh.addVertex(right[i]);

			line.addVertex(left[i]);
			line.addVertex(right[i]);

			if (i > right.size() * 0.5) {
				
				tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(i, right.size(), right.size() * 0.5, color.getBrightness(), 16));
			}
			else {

				tmp_color.setHsb(color.getHue(), color.getSaturation(), 32);
			}

			mesh.addColor(tmp_color);
			mesh.addColor(tmp_color);

			line.addColor(color);
			line.addColor(color);
		}

		for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

			mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);
			mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);

			line.addIndex(i + 0); line.addIndex(i + 2);
			line.addIndex(i + 1); line.addIndex(i + 3);
		}

		auto tmp_head_size = ofMap(len - 2, 0, len, 0, head_size);
		tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(len - 2, right.size(), right.size() * 0.5, color.getBrightness(), 16));

		mesh.addVertex(last_location);
		mesh.addColor(tmp_color);
		line.addVertex(last_location);
		line.addColor(color);

		int index = mesh.getNumVertices();
		tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(len, right.size(), right.size() * 0.5, color.getBrightness(), 16));
		for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

			mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));
			line.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));
			mesh.addColor(tmp_color);
			line.addColor(color);
		}

		for (int i = index; i < mesh.getNumVertices() - 1; i++) {

			mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);
			line.addIndex(i + 0); line.addIndex(i + 1);
		}

		mesh.draw();
		line.drawWireframe();
	}
}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofColor color, tmp_color;

for (int k = 0; k < 23; k++) {

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

color.setHsb((int)ofRandom(200, 280) % 255, 255,255);

ofMesh mesh, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

vector<glm::vec3> right, left;

glm::vec3 last_location;

float last_theta;

int len = 30;

int head_size = 15;

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

auto location = glm::vec3(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i) * 0.005), 0, 1, -325, 325), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i) * 0.005), 0, 1, -350, 350), 0);

auto next = glm::vec3(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -325, 325), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + i + 1) * 0.005), 0, 1, -350, 350), 0);

auto direction = next - location;

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

right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, len, 0, head_size) * sin(theta + PI * 0.5), 0));

left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, len, 0, head_size) * sin(theta - PI * 0.5), 0));

last_location = location;

last_theta = theta;

}

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

mesh.addVertex(left[i]);

mesh.addVertex(right[i]);

line.addVertex(left[i]);

line.addVertex(right[i]);

if (i > right.size() * 0.5) {

tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(i, right.size(), right.size() * 0.5, color.getBrightness(), 16));

}

else {

tmp_color.setHsb(color.getHue(), color.getSaturation(), 32);

}

mesh.addColor(tmp_color);

line.addColor(color);

}

for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);

mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);

line.addIndex(i + 0); line.addIndex(i + 2);

line.addIndex(i + 1); line.addIndex(i + 3);

}

auto tmp_head_size = ofMap(len - 2, 0, len, 0, head_size);

tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(len - 2, right.size(), right.size() * 0.5, color.getBrightness(), 16));

mesh.addVertex(last_location);

mesh.addColor(tmp_color);

line.addVertex(last_location);

line.addColor(color);

int index = mesh.getNumVertices();

tmp_color.setHsb(color.getHue(), color.getSaturation(), ofMap(len, right.size(), right.size() * 0.5, color.getBrightness(), 16));

for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));

line.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));

mesh.addColor(tmp_color);

line.addColor(color);

}

for (int i = index; i < mesh.getNumVertices() - 1; i++) {

mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);

line.addIndex(i + 0); line.addIndex(i + 1);

}

mesh.draw();

line.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210614

[ Kinako ]

2021年6月13日

Number of ribbon. Draw by openFrameworks

[ Video ]

[ About ]
Number of ribbon.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 180, true, true, true);
}

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

}

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

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

	vector<string> word_list = {
		"123",
		"456",
		"789"
	};

	vector<glm::vec2> base_location_list = {
		glm::vec2(this->font.stringWidth(word_list[0]) * 0.5 - ofGetWidth() * 0.5, -150),
		glm::vec2(this->font.stringWidth(word_list[1]) * 0.5 - ofGetWidth() * 0.5, 60),
		glm::vec2(this->font.stringWidth(word_list[2]) * 0.5 - ofGetWidth() * 0.5, 270)
	};

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

		auto word = word_list[i];
		auto base_location = base_location_list[i];

		int sample_count = 120;
		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();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
				vector<glm::vec3> vertices = outline[outline_index].getVertices();
				vector<glm::vec2> black_vertices, white_vertices;
				glm::vec2 circle_location;
				int param = ofGetFrameNum() + i * 10 + word_index * 10;

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

					auto location = base_location + vertices[vertices_index];

					if (param % (sample_count * 2) < sample_count) {

						if (vertices_index < param % sample_count) {

							black_vertices.push_back(location);
						}
						else {

							white_vertices.push_back(location);
						}
					}
					else {

						if (vertices_index > param % sample_count) {

							black_vertices.push_back(location);
						}
						else {

							white_vertices.push_back(location);
						}
					}

					if (vertices_index == param % sample_count) {

						circle_location = location;
					}

				}


				ofMesh face, line, line_2;
				line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
				line_2.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
				for (int k = 0; k < black_vertices.size(); k++) {

					face.addVertex(glm::vec3(black_vertices[k], -15));
					face.addVertex(glm::vec3(black_vertices[k], 15));

					line.addVertex(glm::vec3(black_vertices[k], -15));
					line.addVertex(glm::vec3(black_vertices[k], 15));

					if (k > 0) {

						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);
						face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

						line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);
						line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);
					}
				}

				line.addIndex(0); line.addIndex(1);
				line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);


				for (int k = 0; k < white_vertices.size(); k++)	{

					line_2.addVertex(glm::vec3(white_vertices[k], -15));
					line_2.addVertex(glm::vec3(white_vertices[k], 15));

					if (k > 0) {

						line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 3);
						line_2.addIndex(line_2.getNumVertices() - 2); line_2.addIndex(line_2.getNumVertices() - 4);
					}
				}

				line_2.addIndex(0); line_2.addIndex(1);
				line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 2);

				ofSetColor(39);
				face.draw();

				ofSetColor(239, 39, 39);
				line.drawWireframe();
				//line_2.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->font.loadFont("fonts/Kazesawa-Bold.ttf", 180, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

vector<string> word_list = {

"123",

"456",

"789"

};

vector<glm::vec2> base_location_list = {

glm::vec2(this->font.stringWidth(word_list[0]) * 0.5 - ofGetWidth() * 0.5, -150),

glm::vec2(this->font.stringWidth(word_list[1]) * 0.5 - ofGetWidth() * 0.5, 60),

glm::vec2(this->font.stringWidth(word_list[2]) * 0.5 - ofGetWidth() * 0.5, 270)

};

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

auto word = word_list[i];

auto base_location = base_location_list[i];

int sample_count = 120;

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();

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

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

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

vector<glm::vec2> black_vertices, white_vertices;

glm::vec2 circle_location;

int param = ofGetFrameNum() + i * 10 + word_index * 10;

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

auto location = base_location + vertices[vertices_index];

if (param % (sample_count * 2) < sample_count) {

if (vertices_index < param % sample_count) {

black_vertices.push_back(location);

}

else {

white_vertices.push_back(location);

}

else {

if (vertices_index > param % sample_count) {

black_vertices.push_back(location);

}

else {

white_vertices.push_back(location);

}

if (vertices_index == param % sample_count) {

circle_location = location;

}

ofMesh face, line, line_2;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

line_2.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int k = 0; k < black_vertices.size(); k++) {

face.addVertex(glm::vec3(black_vertices[k], -15));

face.addVertex(glm::vec3(black_vertices[k], 15));

line.addVertex(glm::vec3(black_vertices[k], -15));

line.addVertex(glm::vec3(black_vertices[k], 15));

if (k > 0) {

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);

line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 4);

}

line.addIndex(0); line.addIndex(1);

line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 2);

for (int k = 0; k < white_vertices.size(); k++) {

line_2.addVertex(glm::vec3(white_vertices[k], -15));

line_2.addVertex(glm::vec3(white_vertices[k], 15));

if (k > 0) {

line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 3);

line_2.addIndex(line_2.getNumVertices() - 2); line_2.addIndex(line_2.getNumVertices() - 4);

}

line_2.addIndex(0); line_2.addIndex(1);

line_2.addIndex(line_2.getNumVertices() - 1); line_2.addIndex(line_2.getNumVertices() - 2);

ofSetColor(39);

face.draw();

ofSetColor(239, 39, 39);

line.drawWireframe();

//line_2.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210613

2021年6月12日2021年6月12日

Box in box. Draw by openFrameworks

[ Video ]

[ About ]
Box in box.

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 getLocation();
	glm::vec3 getLocation(int i);
	deque<glm::vec3> getLog();
	void setColor(ofColor color);
	ofColor getColor();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	deque<glm::vec3> log;
	ofColor color;
};

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) {};

	vector<glm::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 getLocation();

glm::vec3 getLocation(int i);

deque<glm::vec3> getLog();

void setColor(ofColor color);

ofColor getColor();

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

ofColor color;

};

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) {};

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

ofEasyCam cam;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	if (ofGetFrameNum() % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 60) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation(int i) {

	return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

//--------------------------------------------------------------
void Actor::setColor(ofColor value) {

	this->color = value;
}

//--------------------------------------------------------------
ofColor Actor::getColor() {

	return this->color;
}


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

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

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	int span = 80;
	for (int x = -200; x <= 200; x += span) {

		for (int y = -200; y <= 200; y += span) {

			for (int z = -200; z <= 200; z += span) {

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

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

		vector<int> next_index = 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) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

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

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

	for (int i = 0; i < 120; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
		this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);
	}
}

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

	int frame_span = 20;
	int prev_index_size = 0;

	if (ofGetFrameNum() % frame_span == 0) {

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.38);

	
	for (auto& actor : this->actor_list) {

		ofFill();
		ofSetColor(39);
		ofDrawBox(actor->getLocation(), 70);

		ofNoFill();
		ofSetColor(actor->getColor());
		ofDrawBox(actor->getLocation(), 71);
		ofDrawBox(actor->getLocation(20), 71);
	}

	this->cam.end();
}


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

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

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

if (ofGetFrameNum() % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

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

while (this->log.size() > 60) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

glm::vec3 Actor::getLocation(int i) {

return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

void Actor::setColor(ofColor value) {

this->color = value;

}

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

ofColor Actor::getColor() {

return this->color;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

int span = 80;

for (int x = -200; x <= 200; x += span) {

for (int y = -200; y <= 200; y += span) {

for (int z = -200; z <= 200; z += span) {

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

}

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

vector<int> next_index = 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) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

ofColor color;

vector<ofColor> base_color_list;

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

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

for (int i = 0; i < 120; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);

}

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

void ofApp::update() {

int frame_span = 20;

int prev_index_size = 0;

if (ofGetFrameNum() % frame_span == 0) {

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.38);

for (auto& actor : this->actor_list) {

ofFill();

ofSetColor(39);

ofDrawBox(actor->getLocation(), 70);

ofNoFill();

ofSetColor(actor->getColor());

ofDrawBox(actor->getLocation(), 71);

ofDrawBox(actor->getLocation(20), 71);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210612

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