noise – ページ 151 – プログラミング de 落描き

2021年10月12日2021年10月12日

Walker from circle to square. Draw by openFrameworks

[ Video ]

[ About ]
円から出発して外周の四角に突き当たるまで進むランダムウォーカー。

A random walker that starts from a circle and proceeds until it hits the outer square.

[ 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) {};

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_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) {};

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	int radius = 100;
	for (float deg = 0; deg < 360; deg += 10) {

		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

	int limit = 300;
	for (int i = 0; i < this->base_location_list.size(); i++) {

		vector<glm::vec2> log;
		log.push_back(glm::vec2(this->base_location_list[i]));
		this->log_list.push_back(log);
	}

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

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003 + k * 0.0005)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

				break;
			}
			else {

				this->log_list[i].push_back(next);
			}

			k++;
		}
	}
}

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

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

	ofSetLineWidth(1.2);
	for (int i = 0; i < this->log_list.size(); i++) {

		if (this->log_list[i].size() > 1) {

			ofNoFill();
			ofSetColor(39, 39, 239);
			ofBeginShape();
			ofVertices(this->log_list[i]);
			ofEndShape();

			ofFill();
			ofSetColor(255);
			ofDrawCircle(this->log_list[i].back(), 3);
			ofSetColor(39, 39, 239);
			ofDrawCircle(this->log_list[i].front(), 3);
		}
	}

	ofNoFill();
	ofSetLineWidth(0.2);
	ofSetColor(255);
	ofDrawRectangle(-300, -300, 600, 600);

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

int radius = 100;

for (float deg = 0; deg < 360; deg += 10) {

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

int limit = 300;

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

vector<glm::vec2> log;

log.push_back(glm::vec2(this->base_location_list[i]));

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0035, ofGetFrameNum() * 0.003 + k * 0.0005)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (next.x < -limit || next.x > limit || next.y < -limit || next.y > limit) {

break;

}

else {

this->log_list[i].push_back(next);

}

k++;

}

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

void ofApp::draw() {

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

ofSetLineWidth(1.2);

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

if (this->log_list[i].size() > 1) {

ofNoFill();

ofSetColor(39, 39, 239);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

ofFill();

ofSetColor(255);

ofDrawCircle(this->log_list[i].back(), 3);

ofSetColor(39, 39, 239);

ofDrawCircle(this->log_list[i].front(), 3);

}

ofNoFill();

ofSetLineWidth(0.2);

ofSetColor(255);

ofDrawRectangle(-300, -300, 600, 600);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211012

[ほしいものリスト]
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2021年10月10日

My artworks on cube. Draw by openFrameworks

[ Video ]

[ About ]
動画をランダムに投影したパネルをキューブ状に配置する。

Panels with randomly projected videos are arranged in a cube shape.

[ 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;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	cv::Mat frame;
	ofImage image;
};

#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;

int number_of_frames;

vector<cv::Mat> frame_list;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_size = cv::Size(180, 180);
	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->number_of_frames = 0;
	vector<string> file_path_list = {
		"D:\\tmp\\1.mp4",
		"D:\\tmp\\2.mp4",
		"D:\\tmp\\3.mp4",
		"D:\\tmp\\4.mp4",
		"D:\\tmp\\5.mp4",
		"D:\\tmp\\6.mp4",
		"D:\\tmp\\7.mp4",
		"D:\\tmp\\8.mp4",
	};

	for (auto& file_path : file_path_list) {

		this->cap.open(file_path);
		int frame_count = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
		for (int i = 0; i < frame_count; 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);
		}

		this->number_of_frames += frame_count;
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int base_x = -300; base_x <= 300; base_x += 600) {

		for (int base_y = -300; base_y <= 300; base_y += 600) {

			ofPushMatrix();
			ofTranslate(base_x, base_y, 0);
			ofRotateZ(ofRandom(360) + ofGetFrameNum() * 0.3);
			ofRotateY(ofRandom(360) + ofGetFrameNum() * 0.3);
			ofRotateX(ofRandom(360) + ofGetFrameNum() * 0.3);

			for (int k = 0; k < 6; k++) {

				if (k > 0 && k < 4) { ofRotateY(90); }
				if (k == 4) { ofRotateX(90); }
				if (k == 5) { ofRotateX(180); }

				for (int x = -90; x <= 90; x += 180) {

					for (int y = -90; y <= 90; y += 180) {

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

						ofSetColor(255);
						ofFill();
						this->image.getTexture().bind();
						ofDrawPlane(glm::vec3(x, y, 180), 180, 180);
						this->image.unbind();

						ofSetColor(139);
						ofNoFill();
						ofDrawRectangle(glm::vec3(x, y, 180), 180, 180);
					}
				}
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_size = cv::Size(180, 180);

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->number_of_frames = 0;

vector<string> file_path_list = {

"D:\\tmp\\1.mp4",

"D:\\tmp\\2.mp4",

"D:\\tmp\\3.mp4",

"D:\\tmp\\4.mp4",

"D:\\tmp\\5.mp4",

"D:\\tmp\\6.mp4",

"D:\\tmp\\7.mp4",

"D:\\tmp\\8.mp4",

};

for (auto& file_path : file_path_list) {

this->cap.open(file_path);

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

for (int i = 0; i < frame_count; 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);

}

this->number_of_frames += frame_count;

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int base_x = -300; base_x <= 300; base_x += 600) {

for (int base_y = -300; base_y <= 300; base_y += 600) {

ofPushMatrix();

ofTranslate(base_x, base_y, 0);

ofRotateZ(ofRandom(360) + ofGetFrameNum() * 0.3);

ofRotateY(ofRandom(360) + ofGetFrameNum() * 0.3);

ofRotateX(ofRandom(360) + ofGetFrameNum() * 0.3);

for (int k = 0; k < 6; k++) {

if (k > 0 && k < 4) { ofRotateY(90); }

if (k == 4) { ofRotateX(90); }

if (k == 5) { ofRotateX(180); }

for (int x = -90; x <= 90; x += 180) {

for (int y = -90; y <= 90; y += 180) {

int frame_index = (int(ofRandom(this->number_of_frames)) + ofGetFrameNum()) % this->number_of_frames;

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.getTexture().bind();

ofDrawPlane(glm::vec3(x, y, 180), 180, 180);

this->image.unbind();

ofSetColor(139);

ofNoFill();

ofDrawRectangle(glm::vec3(x, y, 180), 180, 180);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211010

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2021年10月8日2021年10月8日

Remake my post of 20/03/2018. Draw by openFrameworks

[ Video ]

[ About ]
2018/03/20の投稿が気になったら探してみてね。

Look for the post on 03/20/2018 if you’re interested.

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

	ofEasyCam cam;
	ofMesh face, frame;

	vector<ofMeshFace> triangle_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);

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

ofEasyCam cam;

ofMesh face, frame;

vector<ofMeshFace> triangle_list;

};

#include "ofApp.h"

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(100, 3);
	this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

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

	ofSeedRandom(39);

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

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

		for (int z = -300; z <= 900; z += 20) {

			if (x >= -30 && x <= 30) {

				this->setBoxToMesh(this->face, this->frame, glm::vec3(x, -0.5, z), 1, 15, 15);
			}
			else {

				auto noise_value = ofNoise(x * 0.05, z * 0.005 + ofGetFrameNum() * 0.015);
				auto height = ofMap(noise_value, 0, 1.0, 0, -150);
				this->setBoxToMesh(this->face, this->frame, glm::vec3(x, height * -0.5, z), height, 15, 15);
			}
		}
	}

	for (int radius = 60; radius <= 100; radius += 15) {

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

			glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;
			auto noise_value = ofNoise(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

			if (noise_value > 0.65) {

				noise_value = 1;
			}
			else if (noise_value < 0.5) {

				noise_value = 0;
			}
			else {

				noise_value = ofMap(noise_value, 0.5, 0.65, 0, 1);
			}

			if (noise_value > 0) {

				vector<glm::vec3> vertices;

				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius + 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius + 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius + 2));

				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius - 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius - 2));
				vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius - 2));

				for (auto& vertex : vertices) {

					vertex += glm::vec3(0, 300, 300);
				}

				this->face.addVertices(vertices);
				this->frame.addVertices(vertices);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 3);
				this->face.addTriangle(this->face.getNumVertices() - 4, this->face.getNumVertices() - 5, this->face.getNumVertices() - 6);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 5);
				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 5, this->face.getNumVertices() - 4);

				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);
				this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 6, this->face.getNumVertices() - 4);

				this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);
				this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 6, this->face.getNumVertices() - 5);

				this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
				this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
				this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

				this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);
				this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);
				this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

				this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);
				this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);
				this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);
			}
		}
	}
}

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

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

	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) {

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

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

	int index = face_target.getVertices().size();

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

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

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

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

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

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(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(index + 0); frame_target.addIndex(index + 1);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

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

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

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

auto ico_sphere = ofIcoSpherePrimitive(100, 3);

this->triangle_list.insert(this->triangle_list.end(), ico_sphere.getMesh().getUniqueFaces().begin(), ico_sphere.getMesh().getUniqueFaces().end());

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

for (int z = -300; z <= 900; z += 20) {

if (x >= -30 && x <= 30) {

this->setBoxToMesh(this->face, this->frame, glm::vec3(x, -0.5, z), 1, 15, 15);

}

else {

auto noise_value = ofNoise(x * 0.05, z * 0.005 + ofGetFrameNum() * 0.015);

auto height = ofMap(noise_value, 0, 1.0, 0, -150);

this->setBoxToMesh(this->face, this->frame, glm::vec3(x, height * -0.5, z), height, 15, 15);

}

for (int radius = 60; radius <= 100; radius += 15) {

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

glm::vec3 avg = (this->triangle_list[i].getVertex(0) + this->triangle_list[i].getVertex(1) + this->triangle_list[i].getVertex(2)) / 3;

auto noise_value = ofNoise(glm::vec4(avg * 0.01, (radius / 20 + ofGetFrameNum()) * 0.008));

if (noise_value > 0.65) {

noise_value = 1;

}

else if (noise_value < 0.5) {

noise_value = 0;

}

else {

noise_value = ofMap(noise_value, 0.5, 0.65, 0, 1);

}

if (noise_value > 0) {

vector<glm::vec3> vertices;

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius + 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(0) - avg) * noise_value + avg) * (radius - 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(1) - avg) * noise_value + avg) * (radius - 2));

vertices.push_back(glm::normalize((this->triangle_list[i].getVertex(2) - avg) * noise_value + avg) * (radius - 2));

for (auto& vertex : vertices) {

vertex += glm::vec3(0, 300, 300);

}

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 3);

this->face.addTriangle(this->face.getNumVertices() - 4, this->face.getNumVertices() - 5, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 2, this->face.getNumVertices() - 5);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 5, this->face.getNumVertices() - 4);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 1, this->face.getNumVertices() - 6, this->face.getNumVertices() - 4);

this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 3, this->face.getNumVertices() - 6);

this->face.addTriangle(this->face.getNumVertices() - 2, this->face.getNumVertices() - 6, this->face.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

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

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 3);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 5); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 4); this->frame.addIndex(this->frame.getNumVertices() - 6);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 4);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 5);

this->frame.addIndex(this->frame.getNumVertices() - 3); this->frame.addIndex(this->frame.getNumVertices() - 6);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

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) {

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

}

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

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

int index = face_target.getVertices().size();

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

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

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

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

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

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

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

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

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

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

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

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(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(index + 0); frame_target.addIndex(index + 1);

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

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

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

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

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

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

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

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

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

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

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211008

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