2021年3月 – ページ 2 – プログラミング de 落描き

2021年3月28日

Heart ribbon. Draw by openFrameworks

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Heart ribbon.

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#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) {};

	glm::vec2 make_point(float theta);

	ofEasyCam cam;
};

#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) {};

glm::vec2 make_point(float theta);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	vector<ofColor> base_color_list;
	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}
	int color_index = 0;

	for (auto scale = 1; scale < 20; scale += 1) {

		ofMesh face, line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		vector<glm::vec2> vertices;
		auto param = (ofGetFrameNum() * 3 + scale * 20) % 720;
		for (auto deg = 0; deg < 360; deg += 1) {

			if (param < 360) {

				if (deg < param) { vertices.push_back(this->make_point(deg * DEG_TO_RAD) * scale); }
			}
			else {

				if (deg > param - 360) { vertices.push_back(this->make_point(deg * DEG_TO_RAD) * scale); }
			}
		}

		for (auto& vertex : vertices){

			face.addVertex(glm::vec3(vertex, -15));
			face.addVertex(glm::vec3(vertex, 15));

			line.addVertex(glm::vec3(vertex, -15));
			line.addVertex(glm::vec3(vertex, 15));

			if (vertex != vertices.front()) {

				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);
			}

			face.addColor(base_color_list[color_index]);
			face.addColor(base_color_list[color_index]);

			line.addColor(ofColor(39));
			line.addColor(ofColor(39));
		}

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

		face.draw();
		line.drawWireframe();

		color_index = (color_index + 1) % base_color_list.size();
	}

	this->cam.end();
}

//--------------------------------------------------------------
//Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

vector<ofColor> base_color_list;

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int color_index = 0;

for (auto scale = 1; scale < 20; scale += 1) {

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

vector<glm::vec2> vertices;

auto param = (ofGetFrameNum() * 3 + scale * 20) % 720;

for (auto deg = 0; deg < 360; deg += 1) {

if (param < 360) {

if (deg < param) { vertices.push_back(this->make_point(deg * DEG_TO_RAD) * scale); }

}

else {

if (deg > param - 360) { vertices.push_back(this->make_point(deg * DEG_TO_RAD) * scale); }

}

for (auto& vertex : vertices){

face.addVertex(glm::vec3(vertex, -15));

face.addVertex(glm::vec3(vertex, 15));

line.addVertex(glm::vec3(vertex, -15));

line.addVertex(glm::vec3(vertex, 15));

if (vertex != vertices.front()) {

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);

}

face.addColor(base_color_list[color_index]);

line.addColor(ofColor(39));

}

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

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

face.draw();

line.drawWireframe();

color_index = (color_index + 1) % base_color_list.size();

}

this->cam.end();

}

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

//Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210328

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2021年3月27日

splitting video. Draw by openFrameworks

[ Video ]

[ About ]
splitting video.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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;

	cv::VideoCapture cap;
	cv::Size cap_size;

	ofImage image;
	cv::Mat frame;
	vector<cv::Mat> frame_list;
	int number_of_frames;

	vector<ofMesh> mesh_list, line_list;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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;

cv::VideoCapture cap;

cv::Size cap_size;

ofImage image;

cv::Mat frame;

vector<cv::Mat> frame_list;

int number_of_frames;

vector<ofMesh> mesh_list, line_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->cap_size = cv::Size(960, 540);

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

	this->cap.open("D:\\MP4\\Pexels Videos 2880.mp4");
	this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			continue;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
	}
}

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

	int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;
	this->frame_list[frame_index].copyTo(this->frame);
	this->image.update();

	this->mesh_list.clear();
	this->line_list.clear();

	float radius = 250;
	int deg_span = 3;
	int x_span = 80;
	for (int x = 0; x < this->cap_size.width; x += x_span) {

		ofMesh mesh, line;
		line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		auto noise_value = ofNoise(x * 0.003 + ofGetFrameNum() * 0.03);
		int deg_start = 0;
		if (noise_value < 0.35) { deg_start = ofMap(noise_value, 0, 0.35, -360, 0); }
		else if (noise_value > 0.65) { deg_start = ofMap(noise_value, 0.65, 1, 0, 360); }

		for (int deg = deg_start; deg < deg_start + 180; deg += deg_span) {

			int index = mesh.getNumVertices();

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

			mesh.addVertices(vertices);

			int y = ofMap(deg - deg_start, 0, 180, 0, this->cap_size.height);
			int next_y = ofMap(deg + deg_span - deg_start, 0, 180, 0, this->cap_size.height);

			mesh.addTexCoord(glm::vec3(x, y, 0));
			mesh.addTexCoord(glm::vec3(x, next_y, 0));
			mesh.addTexCoord(glm::vec3(x + x_span, next_y, 0));
			mesh.addTexCoord(glm::vec3(x + x_span, y, 0));

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

			if (deg_start != 0) {

				line.addVertices(vertices);
				line.addIndex(index + 0); line.addIndex(index + 1);
				line.addIndex(index + 2); line.addIndex(index + 3);
			}
		}

		if (line.getNumVertices() > 0) {

			line.addIndex(0); line.addIndex(2);
			line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 3);
		}

		this->mesh_list.push_back(mesh);
		this->line_list.push_back(line);
	}
}

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

	this->cam.begin();

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

		float z = (this->mesh_list[i].getVertex(0).z + this->mesh_list[i].getVertex(2).z) / 2;

		this->image.bind();
		ofSetColor(255);
		this->mesh_list[i].draw();
		this->image.unbind();

		ofSetColor(39);
		this->line_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(3);

ofEnableDepthTest();

this->cap_size = cv::Size(960, 540);

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

this->cap.open("D:\\MP4\\Pexels Videos 2880.mp4");

this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < this->number_of_frames; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

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

void ofApp::update() {

int frame_index = (int)(ofGetFrameNum() * 0.42) % this->number_of_frames;

this->frame_list[frame_index].copyTo(this->frame);

this->image.update();

this->mesh_list.clear();

this->line_list.clear();

float radius = 250;

int deg_span = 3;

int x_span = 80;

for (int x = 0; x < this->cap_size.width; x += x_span) {

ofMesh mesh, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto noise_value = ofNoise(x * 0.003 + ofGetFrameNum() * 0.03);

int deg_start = 0;

if (noise_value < 0.35) { deg_start = ofMap(noise_value, 0, 0.35, -360, 0); }

else if (noise_value > 0.65) { deg_start = ofMap(noise_value, 0.65, 1, 0, 360); }

for (int deg = deg_start; deg < deg_start + 180; deg += deg_span) {

int index = mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x - this->cap_size.width * 0.5, radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(x + x_span - this->cap_size.width * 0.5, radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

mesh.addVertices(vertices);

int y = ofMap(deg - deg_start, 0, 180, 0, this->cap_size.height);

int next_y = ofMap(deg + deg_span - deg_start, 0, 180, 0, this->cap_size.height);

mesh.addTexCoord(glm::vec3(x, y, 0));

mesh.addTexCoord(glm::vec3(x, next_y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, next_y, 0));

mesh.addTexCoord(glm::vec3(x + x_span, y, 0));

mesh.addIndex(index + 0); mesh.addIndex(index + 1); mesh.addIndex(index + 2);

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

if (deg_start != 0) {

line.addVertices(vertices);

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

line.addIndex(index + 2); line.addIndex(index + 3);

}

if (line.getNumVertices() > 0) {

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

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

}

this->mesh_list.push_back(mesh);

this->line_list.push_back(line);

}

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

void ofApp::draw() {

this->cam.begin();

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

float z = (this->mesh_list[i].getVertex(0).z + this->mesh_list[i].getVertex(2).z) / 2;

this->image.bind();

ofSetColor(255);

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

this->image.unbind();

ofSetColor(39);

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

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210327

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年3月26日2021年3月26日

noise box. draw by openFrameworks

[ Video ]

[ About ]
noise box.

[ 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, ofColor face_color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_list;
	vector<ofColor> color_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, ofColor face_color);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

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

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

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	vector<ofColor> base_color_list;
	for (auto hex : hex_list) {

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

	int span = 20;
	for (int x = -220; x <= 220; x += span) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220; z <= 220; z += 440) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}

	for (int x = -220; x <= 220; x += 440) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}

	for (int x = -220 + span; x <= 220 - span; x += span) {

		for (int y = -220; y <= 220; y += 440) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}
}

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

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

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

		auto noise_value = ofNoise(glm::vec4(this->location_list[i] * 0.005, ofGetFrameNum() * 0.01));
		if (noise_value < 0.5) { size = 0; }
		else if (noise_value > 0.55) { size = 20; }
		else { size = ofMap(noise_value, 0.5, 0.55, 0, 20); }

		this->setBoxToMesh(this->face, this->frame, this->location_list[i], size, this->color_list[i]);
	}
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.21);
	ofRotateY(ofGetFrameNum() * 0.37);

	this->face.draw();

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

	ofNoFill();
	ofSetColor(39);
	ofDrawBox(440 + 16);

	this->cam.end();
}

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

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

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

	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(face_color);
	}
}

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

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

vector<ofColor> base_color_list;

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int span = 20;

for (int x = -220; x <= 220; x += span) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220; z <= 220; z += 440) {

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

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

for (int x = -220; x <= 220; x += 440) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220 + span; z <= 220 - span; z += span) {

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

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

for (int x = -220 + span; x <= 220 - span; x += span) {

for (int y = -220; y <= 220; y += 440) {

for (int z = -220 + span; z <= 220 - span; z += span) {

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

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

float size;

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

auto noise_value = ofNoise(glm::vec4(this->location_list[i] * 0.005, ofGetFrameNum() * 0.01));

if (noise_value < 0.5) { size = 0; }

else if (noise_value > 0.55) { size = 20; }

else { size = ofMap(noise_value, 0.5, 0.55, 0, 20); }

this->setBoxToMesh(this->face, this->frame, this->location_list[i], size, this->color_list[i]);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.21);

ofRotateY(ofGetFrameNum() * 0.37);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

ofNoFill();

ofSetColor(39);

ofDrawBox(440 + 16);

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color) {

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

}

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

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

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(face_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210326

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