camera – ページ 7 – プログラミング de 落描き

2018年1月26日2018年1月25日

OpenCVで雪道の足跡くっきり openFrameworks

[ Video ]

[ About ]
名古屋にも雪が降りまして、仕事の帰り道で、足跡ってOpenCVのエッジ処理で切り抜けるんじゃないかと？ひらめきました。

帰宅後は、雪道でいかに安全にノートPCを担ぎながら撮影をする方法を考えていましたが、リアルタイムでする必要もないことに何とか気づく事が出来たので、朝の通勤時にスマートフォンで撮影しました。贅沢を言うと、犬の肉球跡が欲しかった。。。

緑色の線が抽出した輪郭です。元の画像と重ねてありますので、輪郭を拾えてない部分とかもわかるかと思います。

やりたい事はOpenCVのみで終わりますが、openFrameworksと言い張っていこうと思います。

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofFbo.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) {};

	ofFbo fbo;

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

	cv::Mat frame;
	ofImage image;

	// 動画データ出力用
	cv::VideoWriter writer;
};

#pragma once

#include "ofMain.h"

#include "ofFbo.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) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

// 動画データ出力用

cv::VideoWriter writer;

};

#include "ofApp.h"

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

	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open("snow.mp4");

	this->cap_size = cv::Size(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT));
	int frame_rate = this->cap.get(CV_CAP_PROP_FPS);
	ofSetFrameRate(frame_rate);

	// this->writer = cv::VideoWriter("out.mp4", CV_FOURCC('H', '2', '6', '4'), frame_rate, this->cap_size);

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

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	this->cap >> this->frame;
	if (this->frame.empty()) {

		return;
	}
	cv::Mat gray, canny, color_canny;
	cv::cvtColor(this->frame, gray, CV_RGB2GRAY);
	cv::Canny(gray, canny, 50, 150);
	
	for (int y = 0; y < canny.rows; y += 1) {

		unsigned char* value = &canny.at<unsigned char>(y, 0);
		for (int x = 0; x < canny.cols; x += 1) {
			
			if (*value > 0) {
				this->frame.at<cv::Vec3b>(y, x) = cv::Vec3b(0, 255, 0);
			}
			value++;
		}
	}
	// writer << this->frame;
	cv::cvtColor(this->frame, this->frame, CV_BGR2RGB);

	this->fbo.begin();
	ofClear(0);

	ofSetColor(255);
	this->image.update();
	this->image.draw(0, 0);

	this->fbo.end();
}

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

	this->fbo.draw(0, 0);
}

//========================================================================
int main() {

	ofSetupOpenGL(1920, 1080, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open("snow.mp4");

this->cap_size = cv::Size(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT));

int frame_rate = this->cap.get(CV_CAP_PROP_FPS);

ofSetFrameRate(frame_rate);

// this->writer = cv::VideoWriter("out.mp4", CV_FOURCC('H', '2', '6', '4'), frame_rate, this->cap_size);

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

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

this->fbo.allocate(ofGetWidth(), ofGetHeight());

}

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

void ofApp::update() {

this->cap >> this->frame;

if (this->frame.empty()) {

return;

}

cv::Mat gray, canny, color_canny;

cv::cvtColor(this->frame, gray, CV_RGB2GRAY);

cv::Canny(gray, canny, 50, 150);

for (int y = 0; y < canny.rows; y += 1) {

unsigned char* value = &canny.at<unsigned char>(y, 0);

for (int x = 0; x < canny.cols; x += 1) {

if (*value > 0) {

this->frame.at<cv::Vec3b>(y, x) = cv::Vec3b(0, 255, 0);

}

value++;

}

// writer << this->frame;

cv::cvtColor(this->frame, this->frame, CV_BGR2RGB);

this->fbo.begin();

ofClear(0);

ofSetColor(255);

this->image.update();

this->image.draw(0, 0);

this->fbo.end();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

}

//========================================================================

int main() {

ofSetupOpenGL(1920, 1080, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180125

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2018年1月21日2018年1月20日

時間の歪み描写フレームの可視化 openFrmeworks opencv

[ Video ]

[ About ]
昨日の落書きに高さの概念を加えてみました。

PixelがBoxに変更されて、Noiseによって選ばれたFrame NumberがBoxの高さになっています。背の高いBoxほど最新の情報が見えて、背の低いBoxには古い情報です。Boxにすることでそれぞれの時間の違いが可視化されて、厚みとして見ることができるようになりました。

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBullet.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;
	ofLight light;

	cv::VideoCapture cap;
	static const int frame_number = 120;
	cv::Mat save_frame[frame_number];

	cv::Mat blend_frame;
	ofImage blend_image;

	cv::Mat wipe_frame;
	ofImage wipe_image;
};

#pragma once

#include "ofMain.h"

#include "ofxBullet.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;

ofLight light;

cv::VideoCapture cap;

static const int frame_number = 120;

cv::Mat save_frame[frame_number];

cv::Mat blend_frame;

ofImage blend_image;

cv::Mat wipe_frame;

ofImage wipe_image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->cap.open(1);

	this->blend_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR_ALPHA);
	this->blend_frame = cv::Mat(this->blend_image.getHeight(), this->blend_image.getWidth(), CV_MAKETYPE(CV_8UC4, this->blend_image.getPixels().getNumChannels()), this->blend_image.getPixels().getData(), 0);

	this->wipe_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH) * 0.3, this->cap.get(CV_CAP_PROP_FRAME_HEIGHT) * 0.3, OF_IMAGE_COLOR);
	this->wipe_frame = cv::Mat(this->wipe_image.getHeight(), this->wipe_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->wipe_image.getPixels().getNumChannels()), this->wipe_image.getPixels().getData(), 0);
}

//--------------------------------------------------------------
void ofApp::update() {
	cv::Mat src;
	this->cap >> src;
	cv::cvtColor(src, src, cv::COLOR_BGR2RGB);
	cv::flip(src, src, 1);

	if (ofGetFrameNum() < this->frame_number) {
		for (int i = ofGetFrameNum() - 1; i > 0; i--) {
			this->save_frame[i - 1].copyTo(this->save_frame[i]);
		}
		src.copyTo(this->save_frame[0]);
	}
	else {
		for (int i = this->frame_number - 1; i > 0; i--) {
			this->save_frame[i - 1].copyTo(this->save_frame[i]);
		}
		src.copyTo(this->save_frame[0]);
	}

	if(ofGetFrameNum() > this->frame_number){

		for (int y = 0; y < this->blend_frame.rows; y += 1) {
			for (int x = 0; x < this->blend_frame.cols; x += 1) {
				int index = ofNoise(x * 0.001, y * 0.001, ofGetFrameNum() * 0.06) * this->frame_number;
				this->blend_frame.at<cv::Vec4b>(y, x) = cv::Vec4b(this->save_frame[index].at<cv::Vec3b>(y, x)[0], this->save_frame[index].at<cv::Vec3b>(y, x)[1], this->save_frame[index].at<cv::Vec3b>(y, x)[2], index);
			}
		}

		this->blend_image.update();

	}

	cv::resize(src, this->wipe_frame, cv::Size(), 0.3, 0.3);
	this->wipe_image.update();

	this->light.setPosition(ofVec3f(0, 0, 512));
	ofEnableLighting();
	this->light.enable();
}

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

	this->cam.begin();

	ofSetColor(255);
	this->wipe_image.draw(0, -250);

	if (ofGetFrameNum() > this->frame_number) {

		int size = 5;
		for (int y = 0; y < this->blend_frame.rows; y += size) {
			for (int x = 0; x < this->blend_frame.cols; x += size) {
				ofSetColor(this->blend_frame.at<cv::Vec4b>(y, x)[0], this->blend_frame.at<cv::Vec4b>(y, x)[1], this->blend_frame.at<cv::Vec4b>(y, x)[2]);
				
				int height = this->frame_number - this->blend_frame.at<cv::Vec4b>(y, x)[3];

				ofPushMatrix();
				ofTranslate(0, 0, height / 2);
				ofDrawBox(ofVec3f(x - 320, ofGetHeight() / 2 - y, 0), size, size, height);
				ofPopMatrix();
			}
		}
	}

	this->cam.end();
}

//========================================================================
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->cap.open(1);

this->blend_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR_ALPHA);

this->blend_frame = cv::Mat(this->blend_image.getHeight(), this->blend_image.getWidth(), CV_MAKETYPE(CV_8UC4, this->blend_image.getPixels().getNumChannels()), this->blend_image.getPixels().getData(), 0);

this->wipe_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH) * 0.3, this->cap.get(CV_CAP_PROP_FRAME_HEIGHT) * 0.3, OF_IMAGE_COLOR);

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

}

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

void ofApp::update() {

cv::Mat src;

this->cap >> src;

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

cv::flip(src, src, 1);

if (ofGetFrameNum() < this->frame_number) {

for (int i = ofGetFrameNum() - 1; i > 0; i--) {

this->save_frame[i - 1].copyTo(this->save_frame[i]);

}

src.copyTo(this->save_frame[0]);

}

else {

for (int i = this->frame_number - 1; i > 0; i--) {

this->save_frame[i - 1].copyTo(this->save_frame[i]);

}

src.copyTo(this->save_frame[0]);

}

if(ofGetFrameNum() > this->frame_number){

for (int y = 0; y < this->blend_frame.rows; y += 1) {

for (int x = 0; x < this->blend_frame.cols; x += 1) {

int index = ofNoise(x * 0.001, y * 0.001, ofGetFrameNum() * 0.06) * this->frame_number;

this->blend_frame.at<cv::Vec4b>(y, x) = cv::Vec4b(this->save_frame[index].at<cv::Vec3b>(y, x)[0], this->save_frame[index].at<cv::Vec3b>(y, x)[1], this->save_frame[index].at<cv::Vec3b>(y, x)[2], index);

}

this->blend_image.update();

}

cv::resize(src, this->wipe_frame, cv::Size(), 0.3, 0.3);

this->wipe_image.update();

this->light.setPosition(ofVec3f(0, 0, 512));

ofEnableLighting();

this->light.enable();

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(255);

this->wipe_image.draw(0, -250);

if (ofGetFrameNum() > this->frame_number) {

int size = 5;

for (int y = 0; y < this->blend_frame.rows; y += size) {

for (int x = 0; x < this->blend_frame.cols; x += size) {

ofSetColor(this->blend_frame.at<cv::Vec4b>(y, x)[0], this->blend_frame.at<cv::Vec4b>(y, x)[1], this->blend_frame.at<cv::Vec4b>(y, x)[2]);

int height = this->frame_number - this->blend_frame.at<cv::Vec4b>(y, x)[3];

ofPushMatrix();

ofTranslate(0, 0, height / 2);

ofDrawBox(ofVec3f(x - 320, ofGetHeight() / 2 - y, 0), size, size, height);

ofPopMatrix();

}

this->cam.end();

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180120

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[ Sponsor Link ]

2018年1月20日2018年1月19日

時間の歪み　openFrmeworks opencv

[ Video ]

[ About ]
WebCameraからのImageを120Frame分を保存して、pixel単位で描写するFrame(0-120)を変えています。描写されるpixelのframe numberは、Noise(x, y, time)で計算されるので、隣接するpixel間で近い値を指しながら、時間経過と共に変化していきます。

ちなみに、下の小さいワイプ？がリアルタイムの映像です。Noiseによって決定されるFrameは0-120の間で加減算されていきますが、Imageは更新され続けていく(加算のみ)ので、何とも言えない不思議な雰囲気が出ているのではないでしょうか。我ながら面白い！(自画自賛)

Noiseだけじゃなくて、Kinectのような深度センサーの値を加味しても面白いかも。

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBullet.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;
	static const int frame_number = 120;
	cv::Mat save_frame[frame_number];

	cv::Mat blend_frame;
	ofImage blend_image;

	cv::Mat wipe_frame;
	ofImage wipe_image;
};

#pragma once

#include "ofMain.h"

#include "ofxBullet.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;

static const int frame_number = 120;

cv::Mat save_frame[frame_number];

cv::Mat blend_frame;

ofImage blend_image;

cv::Mat wipe_frame;

ofImage wipe_image;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofEnableDepthTest();
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->cap.open(1);

	this->blend_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR);
	this->blend_frame = cv::Mat(this->blend_image.getHeight(), this->blend_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->blend_image.getPixels().getNumChannels()), this->blend_image.getPixels().getData(), 0);

	this->wipe_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH) * 0.3, this->cap.get(CV_CAP_PROP_FRAME_HEIGHT) * 0.3, OF_IMAGE_COLOR);
	this->wipe_frame = cv::Mat(this->wipe_image.getHeight(), this->wipe_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->wipe_image.getPixels().getNumChannels()), this->wipe_image.getPixels().getData(), 0);
}

//--------------------------------------------------------------
void ofApp::update() {
	cv::Mat src;
	this->cap >> src;
	cv::cvtColor(src, src, cv::COLOR_BGR2RGB);
	cv::flip(src, src, 1);

	if (ofGetFrameNum() < this->frame_number) {
		for (int i = ofGetFrameNum() - 1; i > 0; i--) {
			this->save_frame[i - 1].copyTo(this->save_frame[i]);
		}
		src.copyTo(this->save_frame[0]);
	}
	else {
		for (int i = this->frame_number - 1; i > 0; i--) {
			this->save_frame[i - 1].copyTo(this->save_frame[i]);
		}
		src.copyTo(this->save_frame[0]);
	}

	if(ofGetFrameNum() > this->frame_number){

		for (int y = 0; y < this->blend_frame.rows; y += 1) {
			for (int x = 0; x < this->blend_frame.cols; x += 1) {
				int index = ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.05) * 120;
				this->blend_frame.at<cv::Vec3b>(y, x) = this->save_frame[index].at<cv::Vec3b>(y, x);
			}
		}

		this->blend_image.update();

	}

	cv::resize(src, this->wipe_frame, cv::Size(), 0.3, 0.3);
	this->wipe_image.update();

	ofSetWindowTitle(std::to_string(ofGetFrameRate()));
}

//--------------------------------------------------------------
void ofApp::draw() {
	this->wipe_image.draw(ofGetWidth() / 2, ofGetHeight() / 2 + 250);

	if (ofGetFrameNum() > 120) {
		this->blend_image.draw(ofGetWidth() / 2, ofGetHeight() / 2 - 100);
	}
}

//========================================================================
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofEnableDepthTest();

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->cap.open(1);

this->blend_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH), this->cap.get(CV_CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR);

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

this->wipe_image.allocate(this->cap.get(CV_CAP_PROP_FRAME_WIDTH) * 0.3, this->cap.get(CV_CAP_PROP_FRAME_HEIGHT) * 0.3, OF_IMAGE_COLOR);

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

}

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

void ofApp::update() {

cv::Mat src;

this->cap >> src;

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

cv::flip(src, src, 1);

if (ofGetFrameNum() < this->frame_number) {

for (int i = ofGetFrameNum() - 1; i > 0; i--) {

this->save_frame[i - 1].copyTo(this->save_frame[i]);

}

src.copyTo(this->save_frame[0]);

}

else {

for (int i = this->frame_number - 1; i > 0; i--) {

this->save_frame[i - 1].copyTo(this->save_frame[i]);

}

src.copyTo(this->save_frame[0]);

}

if(ofGetFrameNum() > this->frame_number){

for (int y = 0; y < this->blend_frame.rows; y += 1) {

for (int x = 0; x < this->blend_frame.cols; x += 1) {

int index = ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.05) * 120;

this->blend_frame.at<cv::Vec3b>(y, x) = this->save_frame[index].at<cv::Vec3b>(y, x);

}

this->blend_image.update();

}

cv::resize(src, this->wipe_frame, cv::Size(), 0.3, 0.3);

this->wipe_image.update();

ofSetWindowTitle(std::to_string(ofGetFrameRate()));

}

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

void ofApp::draw() {

this->wipe_image.draw(ofGetWidth() / 2, ofGetHeight() / 2 + 250);

if (ofGetFrameNum() > 120) {

this->blend_image.draw(ofGetWidth() / 2, ofGetHeight() / 2 - 100);

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180119

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