junkiyoshi – ページ 581 – プログラミング de 落描き

2020年10月14日

Revolving board. Draw by openFrameworks

[ Video ]

[ About ]
回転板。

Revolving board.

[ 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 height, float width, float depth);

	ofEasyCam cam;
	ofMesh face, frame;

	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) {};

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

ofEasyCam cam;

ofMesh face, frame;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

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

	auto depth = 10;
	for (int x = -300; x <= 300; x += 60) {

		for (int y = -300; y <= 300; y += 60) {

			this->setBoxToMesh(this->face, this->frame, glm::vec3(x, y, 0), 60, 60, depth);
		}
	}
}

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

	this->cam.begin();

	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 height, float width, float depth) {

	auto noise_value = glm::vec2(ofNoise(location.x * 0.002 + 300, ofGetFrameNum() * 0.004), ofNoise(location.y * 0.002 + 300, ofGetFrameNum() * 0.004));

	float angle_x = 0;
	if (noise_value.x > 0.3 && noise_value.x < 0.5) { angle_x = ofMap(noise_value.x, 0.3, 0.5, PI, 0); }
	if (noise_value.x > 0.5 && noise_value.x < 0.7) { angle_x = ofMap(noise_value.x, 0.5, 0.7, 0, PI); }
	
	float angle_y = 0;
	if (noise_value.y > 0.3 && noise_value.y < 0.5) { angle_y = ofMap(noise_value.y, 0.3, 0.5, PI, 0); }
	if (noise_value.y > 0.5 && noise_value.y < 0.7) { angle_y = ofMap(noise_value.y, 0.5, 0.7, 0, PI); }

	auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

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

	face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

	face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);
	face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

	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::vec4(width * -0.5, height * 0.5, depth * -0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * 0.5, height * 0.5, depth * -0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * 0.5, height * 0.5, depth * 0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * -0.5, height * 0.5, depth * 0.5, 0) * rotation_y * rotation_x);

	frame_target.addVertex(location + glm::vec4(width * -0.5, height * -0.5, depth * -0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * 0.5, height * -0.5, depth * -0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * 0.5, height * -0.5, depth * 0.5, 0) * rotation_y * rotation_x);
	frame_target.addVertex(location + glm::vec4(width * -0.5, height * -0.5, depth * 0.5, 0) * rotation_y * rotation_x);

	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);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

auto depth = 10;

for (int x = -300; x <= 300; x += 60) {

for (int y = -300; y <= 300; y += 60) {

this->setBoxToMesh(this->face, this->frame, glm::vec3(x, y, 0), 60, 60, depth);

}

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

void ofApp::draw() {

this->cam.begin();

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 height, float width, float depth) {

auto noise_value = glm::vec2(ofNoise(location.x * 0.002 + 300, ofGetFrameNum() * 0.004), ofNoise(location.y * 0.002 + 300, ofGetFrameNum() * 0.004));

float angle_x = 0;

if (noise_value.x > 0.3 && noise_value.x < 0.5) { angle_x = ofMap(noise_value.x, 0.3, 0.5, PI, 0); }

if (noise_value.x > 0.5 && noise_value.x < 0.7) { angle_x = ofMap(noise_value.x, 0.5, 0.7, 0, PI); }

float angle_y = 0;

if (noise_value.y > 0.3 && noise_value.y < 0.5) { angle_y = ofMap(noise_value.y, 0.3, 0.5, PI, 0); }

if (noise_value.y > 0.5 && noise_value.y < 0.7) { angle_y = ofMap(noise_value.y, 0.5, 0.7, 0, PI); }

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

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

face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99, 0) * rotation_y * rotation_x);

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::vec4(width * -0.5, height * 0.5, depth * -0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * 0.5, height * 0.5, depth * -0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * 0.5, height * 0.5, depth * 0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * -0.5, height * 0.5, depth * 0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * -0.5, height * -0.5, depth * -0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * 0.5, height * -0.5, depth * -0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * 0.5, height * -0.5, depth * 0.5, 0) * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(width * -0.5, height * -0.5, depth * 0.5, 0) * rotation_y * rotation_x);

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/Insta20201014

2020年10月13日2020年10月13日

Riging particle. Draw by openFrameworks

[ Video ]

[ About ]
Riging particle.

[ 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;

	ofMesh mesh;
	vector<glm::vec3> location_list;
	vector<glm::vec3> direction_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) {};

ofEasyCam cam;

ofMesh mesh;

vector<glm::vec3> location_list;

vector<glm::vec3> direction_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	this->mesh.clear();

	for(int i = 0; i < 2; i++){

		this->location_list.push_back(glm::vec3());
		auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		direction = glm::normalize(direction) * 2;
		this->direction_list.push_back(direction);
	}

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

		this->location_list[i] += this->direction_list[i];
	}

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

		auto len = glm::length(this->location_list[i]);
		if (len > 300) {

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

		this->mesh.addVertex(this->location_list[i]);
		this->mesh.addColor(ofColor(39, ofMap(len, 0, 300, 255, 0)));
	}

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

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

			auto distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k));
			if (distance < 50) {

				this->mesh.addIndex(i); this->mesh.addIndex(k);
			}
		}
		
	}
	
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.43);
	ofRotateY(ofGetFrameNum() * 0.65);


	this->mesh.drawVertices();

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

		ofSetColor(this->mesh.getColor(i));
		ofDrawSphere(this->mesh.getVertex(i), 2);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

this->mesh.clear();

for(int i = 0; i < 2; i++){

this->location_list.push_back(glm::vec3());

auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * 2;

this->direction_list.push_back(direction);

}

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

this->location_list[i] += this->direction_list[i];

}

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

auto len = glm::length(this->location_list[i]);

if (len > 300) {

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

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

}

this->mesh.addVertex(this->location_list[i]);

this->mesh.addColor(ofColor(39, ofMap(len, 0, 300, 255, 0)));

}

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

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

auto distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k));

if (distance < 50) {

this->mesh.addIndex(i); this->mesh.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.43);

ofRotateY(ofGetFrameNum() * 0.65);

this->mesh.drawVertices();

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

ofSetColor(this->mesh.getColor(i));

ofDrawSphere(this->mesh.getVertex(i), 2);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201013

2020年10月12日2020年10月12日

Square and remixed. Draw by openFrameworks

[ Video ]

[ About ]
Square and remixed.

[ 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;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;
};

#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;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap_size = cv::Size(360, 360);
	this->rect_size = 20;
	for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

		for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

			auto image = make_unique<ofImage>();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);
			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

			this->rect_images.push_back(move(image));
			this->cv_rects.push_back(rect);
			this->rect_frames.push_back(frame);
		}
	}

	this->number_of_frames = 0;
	vector<string> file_path_list = {
		"D:\\MP4\\openframeworks 2020-09-03.mp4",
		"D:\\MP4\\openFrameworks 2020-08-26.mp4",
		"D:\\MP4\\openframeworks 2020-09-29.mp4",
		"D:\\MP4\\openFrameworks 2020-09-18.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();
	ofRotateX(ofGetFrameNum() * 0.43);
	ofRotateY(ofGetFrameNum() * 0.65);

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

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


		float noise_seed = ofRandom(1000);
		for (int i = 0; i < this->rect_frames.size(); i++) {

			int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.001, this->cv_rects[i].y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, this->number_of_frames);

			cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);
			tmp_box_image.copyTo(this->rect_frames[i]);

			this->rect_images[i]->update();
			this->rect_images[i]->getTexture().bind();
			ofSetColor(255);
			ofFill();
			ofDrawBox(glm::vec3(
				this->cv_rects[i].x + this->cv_rects[i].width * 0.5 - this->cap_size.width * 0.5,
				this->cap_size.height - this->cv_rects[i].y - this->cv_rects[i].height * 0.5 - this->cap_size.height * 0.5,
				180),
				this->rect_size, this->rect_size, 5);
			this->rect_images[i]->unbind();

			ofSetColor(39);
			ofNoFill();
			ofDrawBox(glm::vec3(
				this->cv_rects[i].x + this->cv_rects[i].width * 0.5 - this->cap_size.width * 0.5,
				this->cap_size.height - this->cv_rects[i].y - this->cv_rects[i].height * 0.5 - this->cap_size.height * 0.5,
				180),
				this->rect_size, this->rect_size, 5);

		}
	}

	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);

ofEnableDepthTest();

ofDisableArbTex();

this->cap_size = cv::Size(360, 360);

this->rect_size = 20;

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

for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

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

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->rect_images.push_back(move(image));

this->cv_rects.push_back(rect);

this->rect_frames.push_back(frame);

}

this->number_of_frames = 0;

vector<string> file_path_list = {

"D:\\MP4\\openframeworks 2020-09-03.mp4",

"D:\\MP4\\openFrameworks 2020-08-26.mp4",

"D:\\MP4\\openframeworks 2020-09-29.mp4",

"D:\\MP4\\openFrameworks 2020-09-18.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();

ofRotateX(ofGetFrameNum() * 0.43);

ofRotateY(ofGetFrameNum() * 0.65);

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

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

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

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

float noise_seed = ofRandom(1000);

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

int frame_index = ofMap(ofNoise(noise_seed, this->cv_rects[i].x * 0.001, this->cv_rects[i].y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, this->number_of_frames);

cv::Mat tmp_box_image(this->frame_list[frame_index], this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(

this->cv_rects[i].x + this->cv_rects[i].width * 0.5 - this->cap_size.width * 0.5,

this->cap_size.height - this->cv_rects[i].y - this->cv_rects[i].height * 0.5 - this->cap_size.height * 0.5,

180),

this->rect_size, this->rect_size, 5);

this->rect_images[i]->unbind();

ofSetColor(39);

ofNoFill();

ofDrawBox(glm::vec3(

this->cv_rects[i].x + this->cv_rects[i].width * 0.5 - this->cap_size.width * 0.5,

this->cap_size.height - this->cv_rects[i].y - this->cv_rects[i].height * 0.5 - this->cap_size.height * 0.5,

180),

this->rect_size, this->rect_size, 5);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201012

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