programming – ページ 366 – プログラミング de 落描き

2020年8月8日

Sunshine. Draw by openFrameworks

[ Video ]

[ About ]
Sunshine.

[ 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) {};

	ofMesh frame;

	vector<vector<glm::vec3>> log_list;
	vector<glm::vec3> direction_list;
	vector<int> param_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) {};

ofMesh frame;

vector<vector<glm::vec3>> log_list;

vector<glm::vec3> direction_list;

vector<int> param_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(5);

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

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

	this->frame.clear();

	for (int i = 0; i < 3; i++) {

		auto direction = 5 * glm::normalize(glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), 0));
		vector<glm::vec3> log;
		ofColor color;
		color.setHsb(ofRandom(255), 255, 230);
		
		log.push_back(direction * 10);
		this->log_list.push_back(log);
		this->direction_list.push_back(direction);
		this->param_list.push_back(512);
		this->color_list.push_back(color);
	}

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

		auto location = this->log_list[i].back() + this->direction_list[i];
		this->log_list[i].push_back(location);
	}

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

		int index = this->frame.getNumVertices();
		this->frame.addVertices(this->log_list[i]);

		this->param_list[i] -= 2;

		for (int k = index; k < this->frame.getNumVertices() - 1; k++) {

			this->frame.addIndex(k);
			this->frame.addIndex(k + 1);
		}

		ofColor color = this->param_list[i] > 255 ? 
			this->color_list[i] : ofColor(this->color_list[i], ofMap(this->param_list[i], 0, 255, 0, 255));
		for (int k = index; k < this->frame.getNumVertices(); k++) {

			this->frame.addColor(color);
		}
	}

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

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

			this->log_list.erase(this->log_list.begin() + i);
			this->direction_list.erase(this->direction_list.begin() + i);
			this->param_list.erase(this->param_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}
}

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

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

	this->frame.drawWireframe();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

this->frame.clear();

for (int i = 0; i < 3; i++) {

auto direction = 5 * glm::normalize(glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), 0));

vector<glm::vec3> log;

ofColor color;

color.setHsb(ofRandom(255), 255, 230);

log.push_back(direction * 10);

this->log_list.push_back(log);

this->direction_list.push_back(direction);

this->param_list.push_back(512);

this->color_list.push_back(color);

}

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

auto location = this->log_list[i].back() + this->direction_list[i];

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

}

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

int index = this->frame.getNumVertices();

this->frame.addVertices(this->log_list[i]);

this->param_list[i] -= 2;

for (int k = index; k < this->frame.getNumVertices() - 1; k++) {

this->frame.addIndex(k);

this->frame.addIndex(k + 1);

}

ofColor color = this->param_list[i] > 255 ?

this->color_list[i] : ofColor(this->color_list[i], ofMap(this->param_list[i], 0, 255, 0, 255));

for (int k = index; k < this->frame.getNumVertices(); k++) {

this->frame.addColor(color);

}

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

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

this->log_list.erase(this->log_list.begin() + i);

this->direction_list.erase(this->direction_list.begin() + i);

this->param_list.erase(this->param_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

}

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

void ofApp::draw() {

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

this->frame.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200808

2020年8月7日2020年8月7日

Creative Coding Roller Coaster. Draw by openFrameworks

[ Video ]

[ About ]
クリエイティブコーディング・ジェットコースター。

Creative Coding Roller Coaster.

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

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> log_list;

	float len;
	vector<glm::vec3> box_location_list;
	vector<float> alpah_param_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 color);

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

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> log_list;

float len;

vector<glm::vec3> box_location_list;

vector<float> alpah_param_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(239, 39, 39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	ofColor color;
	this->len = 10;
	for (auto x = -180; x <= 180; x += this->len) {

		for (auto y = -180; y <= 180; y += this->len) {

			for (auto z = -180; z <= 180; z += this->len) {

				this->box_location_list.push_back(glm::vec3(x, y, z));
				this->alpah_param_list.push_back(255);
			}
		}
	}

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

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

	ofSeedRandom(39);

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

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0045), 0, 1, -230, 230), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0045), 0, 1, -230, 230), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.0045), 0, 1, -230, 230));
	this->log_list.push_back(noise_location);
	while (this->log_list.size() > 30) { this->log_list.erase(this->log_list.begin()); }

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

		if (glm::distance(this->box_location_list[i], noise_location) < 15) {

			this->alpah_param_list[i] = 0;
		}

		if (this->alpah_param_list[i] > 200) {

			this->setBoxToMesh(this->face, this->frame, this->box_location_list[i], this->len, ofColor(39, ofMap(this->alpah_param_list[i], 200, 255, 0, 255)));
		}

		this->alpah_param_list[i] = this->alpah_param_list[i] >= 255 ? 255 : this->alpah_param_list[i] + 0.5;
	}
}

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

	auto direction = this->log_list[this->log_list.size() * 0.25] - this->log_list[this->log_list.size() - 1];

	this->cam.lookAt(this->log_list[this->log_list.size() - 1]);
	this->cam.setPosition(this->log_list[this->log_list.size() - 1] + direction);
	this->cam.begin();
	
	ofFill();
	ofDrawSphere(this->log_list.back(), 2);

	this->face.drawFaces();
	this->frame.drawWireframe();

	this->cam.end();
}

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

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

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

	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);

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

		face_target.addColor(color);
		frame_target.addColor(ofColor(239));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(239, 39, 39);

ofSetLineWidth(3);

ofEnableDepthTest();

ofColor color;

this->len = 10;

for (auto x = -180; x <= 180; x += this->len) {

for (auto y = -180; y <= 180; y += this->len) {

for (auto z = -180; z <= 180; z += this->len) {

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

this->alpah_param_list.push_back(255);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0045), 0, 1, -230, 230), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0045), 0, 1, -230, 230), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.0045), 0, 1, -230, 230));

this->log_list.push_back(noise_location);

while (this->log_list.size() > 30) { this->log_list.erase(this->log_list.begin()); }

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

if (glm::distance(this->box_location_list[i], noise_location) < 15) {

this->alpah_param_list[i] = 0;

}

if (this->alpah_param_list[i] > 200) {

this->setBoxToMesh(this->face, this->frame, this->box_location_list[i], this->len, ofColor(39, ofMap(this->alpah_param_list[i], 200, 255, 0, 255)));

}

this->alpah_param_list[i] = this->alpah_param_list[i] >= 255 ? 255 : this->alpah_param_list[i] + 0.5;

}

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

void ofApp::draw() {

auto direction = this->log_list[this->log_list.size() * 0.25] - this->log_list[this->log_list.size() - 1];

this->cam.lookAt(this->log_list[this->log_list.size() - 1]);

this->cam.setPosition(this->log_list[this->log_list.size() - 1] + direction);

this->cam.begin();

ofFill();

ofDrawSphere(this->log_list.back(), 2);

this->face.drawFaces();

this->frame.drawWireframe();

this->cam.end();

}

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

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

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

}

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

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

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);

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

face_target.addColor(color);

frame_target.addColor(ofColor(239));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200807

2020年8月6日2020年8月6日

RGB Bar. Draw by openFrameworks

[ Video ]

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RGB Bar.

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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) {};

	float noise_param;
};

#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) {};

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	this->noise_param = ofRandom(1000);
}

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

	ofSeedRandom(39);
}

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

	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

	int x_span = 20;
	int y_span = 180;
	int height = 60;

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

		ofSetColor(color_list[i]);
		auto param = ofRandom(1000);
		for (int x = x_span * 3; x <= ofGetWidth() - x_span * 3; x += x_span) {

			for (int y = y_span; y < ofGetHeight(); y += y_span) {

				auto noise_value = ofNoise(param, x * 0.05, y * 0.05, this->noise_param);

				if (noise_value < 0.5) {

					ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));
				}
				else {

					ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));
				}
			}
		}
	}

	if (ofGetFrameNum() % 60 < 45) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.05, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

int x_span = 20;

int y_span = 180;

int height = 60;

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

ofSetColor(color_list[i]);

auto param = ofRandom(1000);

for (int x = x_span * 3; x <= ofGetWidth() - x_span * 3; x += x_span) {

for (int y = y_span; y < ofGetHeight(); y += y_span) {

auto noise_value = ofNoise(param, x * 0.05, y * 0.05, this->noise_param);

if (noise_value < 0.5) {

ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));

}

else {

ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));

}

if (ofGetFrameNum() % 60 < 45) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 45, 0.05, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200806

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