opencv – ページ 7 – プログラミング de 落描き

2021年6月9日2021年6月9日

frame_count = map(x, 0, width, 0, number_of_frame). Draw by openFrameworks

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frame_count = map(x, 0, width, 0, number_of_frame).

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#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) {};

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	ofImage image;
	cv::Mat frame;
	ofMesh mesh;
};

#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) {};

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

ofImage image;

cv::Mat frame;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->cap.open("D:\\MP4\\production ID_3761468.mp4");
	this->cap_size = cv::Size(96, 54);

	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 = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames; i++) {

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

			continue;
		}

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

		this->frame_list.push_back(tmp);
	}

	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

	this->mesh.addTexCoord(glm::vec3(0, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));
	this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

	this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);
	this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);
}

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

	ofSeedRandom(39);
}

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

	for (int i = 0; i < 13; i++) {

		int y = i * 54 + 27 + 9;

		float noise_value = ofNoise(y * 0.0015 + ofGetFrameNum() * 0.015);

		int frame_count = ofMap(noise_value, 0, 1, -300, this->number_of_frames + 300);

		if (frame_count < 0) { frame_count = 0; }
		if (frame_count > this->number_of_frames) { frame_count = this->number_of_frames - 1; }

		int x = ofMap(frame_count, 0, this->number_of_frames, 100, ofGetWidth() - 100);


		y = 720 - y;

		ofPushMatrix();
		ofTranslate(x, y);

		int seq_frame_index = frame_count % this->number_of_frames;
		this->frame_list[seq_frame_index].copyTo(this->frame);
		this->image.update();

		ofSetColor(255);
		ofFill();
		this->image.bind();
		this->mesh.draw();
		this->image.unbind();

		ofNoFill();
		ofSetColor(39);
		ofDrawRectangle(0, 0, 96, 54);

		ofPopMatrix();
	}
}

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

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

100

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->cap.open("D:\\MP4\\production ID_3761468.mp4");

this->cap_size = cv::Size(96, 54);

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

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

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

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

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

this->frame_list.push_back(tmp);

}

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

this->mesh.addTexCoord(glm::vec3(0, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));

this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);

this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int i = 0; i < 13; i++) {

int y = i * 54 + 27 + 9;

float noise_value = ofNoise(y * 0.0015 + ofGetFrameNum() * 0.015);

int frame_count = ofMap(noise_value, 0, 1, -300, this->number_of_frames + 300);

if (frame_count < 0) { frame_count = 0; }

if (frame_count > this->number_of_frames) { frame_count = this->number_of_frames - 1; }

int x = ofMap(frame_count, 0, this->number_of_frames, 100, ofGetWidth() - 100);

y = 720 - y;

ofPushMatrix();

ofTranslate(x, y);

int seq_frame_index = frame_count % this->number_of_frames;

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.bind();

this->mesh.draw();

this->image.unbind();

ofNoFill();

ofSetColor(39);

ofDrawRectangle(0, 0, 96, 54);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2021年6月5日

Gap play. Draw by openFrameworks

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Gap play.

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#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) {};

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	ofImage image;
	cv::Mat frame;
	ofMesh mesh;
};

#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) {};

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

ofImage image;

cv::Mat frame;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->cap.open("D:\\MP4\\video01.mp4");
	this->cap_size = cv::Size(96, 54);

	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 = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames; i++) {

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

			continue;
		}

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

		this->frame_list.push_back(tmp);
	}

	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

	this->mesh.addTexCoord(glm::vec3(0, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));
	this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

	this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);
	this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);
}

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

	ofSeedRandom(39);
}

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

	for (int i = 0; i < 13; i++) {

		for (int k = 0; k < 7; k++) {

			int x = k * 96 + 50 + 24;
			int y = i * 54 + 27 +9;

			int frame_count = this->number_of_frames + ofGetFrameNum() * 0.65 - abs(6 - i) * 7 - abs(3 - k) * 7;

			ofPushMatrix();
			ofTranslate(x, y);

			int seq_frame_index = frame_count % this->number_of_frames;
			this->frame_list[seq_frame_index].copyTo(this->frame);
			this->image.update();

			ofSetColor(255);
			ofFill();
			this->image.bind();
			this->mesh.draw();
			this->image.unbind();

			ofNoFill();
			ofSetColor(39);
			ofDrawRectangle(0, 0, 96, 54);

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->cap.open("D:\\MP4\\video01.mp4");

this->cap_size = cv::Size(96, 54);

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

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

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

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

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

this->frame_list.push_back(tmp);

}

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

this->mesh.addTexCoord(glm::vec3(0, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));

this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);

this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int i = 0; i < 13; i++) {

for (int k = 0; k < 7; k++) {

int x = k * 96 + 50 + 24;

int y = i * 54 + 27 +9;

int frame_count = this->number_of_frames + ofGetFrameNum() * 0.65 - abs(6 - i) * 7 - abs(3 - k) * 7;

ofPushMatrix();

ofTranslate(x, y);

int seq_frame_index = frame_count % this->number_of_frames;

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.bind();

this->mesh.draw();

this->image.unbind();

ofNoFill();

ofSetColor(39);

ofDrawRectangle(0, 0, 96, 54);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2021年5月30日2021年5月30日

Sequence, Sin wave, Noise. Draw by openFrameworks

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Sequence, Sine wave, Noise.

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#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) {};

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	ofImage image;
	cv::Mat frame;
	ofMesh mesh;
};

#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) {};

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

ofImage image;

cv::Mat frame;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);

	this->cap.open("D:\\MP4\\Pexels Videos 2880.mp4");
	this->cap_size = cv::Size(256, 144);

	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 = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	this->number_of_frames = 144;
	for (int i = 0; i < this->number_of_frames; i++) {

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

			continue;
		}

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

		this->frame_list.push_back(tmp);
	}

	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

	this->mesh.addTexCoord(glm::vec3(0, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));
	this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

	this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);
	this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);
}

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

	ofSeedRandom(39);
}

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

	/* Sequence */

	ofPushMatrix();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.2);

	ofSetColor(39);
	ofNoFill();

	ofBeginShape();
	for (int x = 150; x <= 350; x += 1) {

		auto y = ofMap((x + 350 + ofGetFrameNum()) % this->number_of_frames, 0, 144, -72, 72);
		ofVertex(x, y);

		if (x == 150 || x == 350) {

			if (x == 150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	ofBeginShape();
	for (int x = -150; x >= -350; x -= 1) {

		auto y = ofMap((x + 300 + 350 + ofGetFrameNum()) % this->number_of_frames, 0, 144, -72, 72);

		ofVertex(x, y);
		if (x == -150 || x == -350) {

			if (x == -150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	int seq_frame_index = (ofGetFrameNum() + 500) % 144;
	this->frame_list[seq_frame_index].copyTo(this->frame);
	this->image.update();

	ofSetColor(255);
	ofFill();
	this->image.bind();
	this->mesh.draw();
	this->image.unbind();

	ofPopMatrix();
	
	
	/* Sin */

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	ofSetColor(39);
	ofNoFill();

	ofBeginShape();
	for (int x = 150; x <= 350; x += 1) {

		auto y = ofMap(sin(((x + 350) * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, -72, 72);
		ofVertex(x, y);

		if (x == 150 || x == 350) {

			if (x == 150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	ofBeginShape();
	for (int x = -150; x >= -350; x -= 1) {

		auto y = ofMap(sin(((x + 300 + 350) * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, -72, 72);

		ofVertex(x, y);
		if (x == -150 || x == -350) {

			if (x == -150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	int sin_frame_index = ofMap(sin((500 * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, 0, 144);
	this->frame_list[sin_frame_index].copyTo(this->frame);
	this->image.update();

	ofSetColor(255);
	ofFill();
	this->image.bind();
	this->mesh.draw();
	this->image.unbind();

	ofPopMatrix();

	/* Noise */

	ofPushMatrix();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.8);

	auto noise_param = ofRandom(1000);

	ofSetColor(39);
	ofNoFill();

	ofBeginShape();
	for (int x = 150; x <= 350; x += 1) {

		auto y = ofMap(ofNoise(noise_param, (((x + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, -72, 72);
		ofVertex(x, y);

		if (x == 150 || x == 350) {

			if (x == 150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	ofBeginShape();
	for (int x = -150; x >= -350; x -= 1) {

		auto y = ofMap(ofNoise(noise_param, (((x + 300 + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, -72, 72);

		ofVertex(x, y);
		if (x == -150 || x == -350) {

			if (x == -150) {

				ofFill();
				ofDrawCircle(x, y, 5);
			}

			ofNoFill();
			ofDrawLine(x, -72, x, 72);
		}
	}
	ofEndShape();

	int noise_frame_index = ofMap(ofNoise(noise_param, (((150 + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, 0, 144);
	this->frame_list[noise_frame_index].copyTo(this->frame);
	this->image.update();

	ofSetColor(255);
	ofFill();
	this->image.bind();
	this->mesh.draw();
	this->image.unbind();

	ofPopMatrix();

}

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

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

this->cap_size = cv::Size(256, 144);

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

this->number_of_frames = 144;

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

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

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

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

this->frame_list.push_back(tmp);

}

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

this->mesh.addTexCoord(glm::vec3(0, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));

this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);

this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

/* Sequence */

ofPushMatrix();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.2);

ofSetColor(39);

ofNoFill();

ofBeginShape();

for (int x = 150; x <= 350; x += 1) {

auto y = ofMap((x + 350 + ofGetFrameNum()) % this->number_of_frames, 0, 144, -72, 72);

ofVertex(x, y);

if (x == 150 || x == 350) {

if (x == 150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

ofBeginShape();

for (int x = -150; x >= -350; x -= 1) {

auto y = ofMap((x + 300 + 350 + ofGetFrameNum()) % this->number_of_frames, 0, 144, -72, 72);

ofVertex(x, y);

if (x == -150 || x == -350) {

if (x == -150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

int seq_frame_index = (ofGetFrameNum() + 500) % 144;

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.bind();

this->mesh.draw();

this->image.unbind();

ofPopMatrix();

/* Sin */

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

ofSetColor(39);

ofNoFill();

ofBeginShape();

for (int x = 150; x <= 350; x += 1) {

auto y = ofMap(sin(((x + 350) * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, -72, 72);

ofVertex(x, y);

if (x == 150 || x == 350) {

if (x == 150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

ofBeginShape();

for (int x = -150; x >= -350; x -= 1) {

auto y = ofMap(sin(((x + 300 + 350) * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, -72, 72);

ofVertex(x, y);

if (x == -150 || x == -350) {

if (x == -150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

int sin_frame_index = ofMap(sin((500 * 0.5 + ofGetFrameNum()) * 0.08), -1, 1, 0, 144);

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.bind();

this->mesh.draw();

this->image.unbind();

ofPopMatrix();

/* Noise */

ofPushMatrix();

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.8);

auto noise_param = ofRandom(1000);

ofSetColor(39);

ofNoFill();

ofBeginShape();

for (int x = 150; x <= 350; x += 1) {

auto y = ofMap(ofNoise(noise_param, (((x + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, -72, 72);

ofVertex(x, y);

if (x == 150 || x == 350) {

if (x == 150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

ofBeginShape();

for (int x = -150; x >= -350; x -= 1) {

auto y = ofMap(ofNoise(noise_param, (((x + 300 + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, -72, 72);

ofVertex(x, y);

if (x == -150 || x == -350) {

if (x == -150) {

ofFill();

ofDrawCircle(x, y, 5);

}

ofNoFill();

ofDrawLine(x, -72, x, 72);

}

ofEndShape();

int noise_frame_index = ofMap(ofNoise(noise_param, (((150 + 350) * 0.5 + ofGetFrameNum()) * 0.008)), 0, 1, 0, 144);

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

this->image.update();

ofSetColor(255);

ofFill();

this->image.bind();

this->mesh.draw();

this->image.unbind();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210530

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