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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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[ About ]
Sequence, Sine wave, Noise.

[ 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) {};

	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());

}

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https://github.com/junkiyoshi/Insta20210530

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2021年4月14日2021年4月14日

Change ring size. Draw by openFrameworks

[ Video ]

[ About ]
Change ring size.

[ 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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	ofMesh face, frame;

	float r;
};

#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 mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

ofMesh face, frame;

float r;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	float R = 300;
	this->r = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, 10, 130);
	int v_span = 8;
	int u_span = 10;

	for (int v = 0; v < 360; v += v_span) {

		for (auto u = 0; u < 360; u += u_span) {

			auto noise_value = ofNoise(glm::vec4(this->make_point(R, 50, u + u_span * 0.5, v) * 0.005, ofGetFrameNum() * 0.01));

			if (noise_value > 0.6) {

				vector<glm::vec3> vertices;
				vertices.push_back(this->make_point(R, this->r, u, v - v_span * 0.5));
				vertices.push_back(this->make_point(R, this->r, u + u_span, v - v_span * 0.5));
				vertices.push_back(this->make_point(R, this->r, u + u_span, v + v_span * 0.5));
				vertices.push_back(this->make_point(R, this->r, u, v + v_span * 0.5));

				int index = face.getNumVertices();
				this->face.addVertices(vertices);

				this->face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);
				this->face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

				this->frame.addVertices(vertices);

				this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);
				this->frame.addIndex(index + 1); this->frame.addIndex(index + 2);
				this->frame.addIndex(index + 2); this->frame.addIndex(index + 3);
				this->frame.addIndex(index + 3); this->frame.addIndex(index + 0);
			}
		}
	}
}

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

	this->cam.begin();

	int number = 300;
	vector<glm::vec3> location_list(number);
	for (int i = 0; i < number; i++) {

		auto R = 300;
		auto tmp_r = ofRandom(10, this->r * 0.8);
		auto u = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);
		auto v = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

		location_list[i] = this->make_point(R, tmp_r, u, v);
	}

	ofFill();
	ofSetColor(39);
	for (auto& location : location_list) {

		ofDrawSphere(location, 3);
		for (auto& other : location_list) {

			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < 40) {

				ofDrawLine(location, other);
			}
		}
	}

	ofSetColor(239);
	this->face.draw();

	ofSetColor(39);
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

//--------------------------------------------------------------
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(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float R = 300;

this->r = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.008), 0, 1, 10, 130);

int v_span = 8;

int u_span = 10;

for (int v = 0; v < 360; v += v_span) {

for (auto u = 0; u < 360; u += u_span) {

auto noise_value = ofNoise(glm::vec4(this->make_point(R, 50, u + u_span * 0.5, v) * 0.005, ofGetFrameNum() * 0.01));

if (noise_value > 0.6) {

vector<glm::vec3> vertices;

vertices.push_back(this->make_point(R, this->r, u, v - v_span * 0.5));

vertices.push_back(this->make_point(R, this->r, u + u_span, v - v_span * 0.5));

vertices.push_back(this->make_point(R, this->r, u + u_span, v + v_span * 0.5));

vertices.push_back(this->make_point(R, this->r, u, v + v_span * 0.5));

int index = face.getNumVertices();

this->face.addVertices(vertices);

this->face.addIndex(index + 0); face.addIndex(index + 1); face.addIndex(index + 2);

this->face.addIndex(index + 0); face.addIndex(index + 2); face.addIndex(index + 3);

this->frame.addVertices(vertices);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);

this->frame.addIndex(index + 1); this->frame.addIndex(index + 2);

this->frame.addIndex(index + 2); this->frame.addIndex(index + 3);

this->frame.addIndex(index + 3); this->frame.addIndex(index + 0);

}

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

void ofApp::draw() {

this->cam.begin();

int number = 300;

vector<glm::vec3> location_list(number);

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

auto R = 300;

auto tmp_r = ofRandom(10, this->r * 0.8);

auto u = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

auto v = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.0) * (ofRandom(1) < 0.5 ? 1 : -1);

location_list[i] = this->make_point(R, tmp_r, u, v);

}

ofFill();

ofSetColor(39);

for (auto& location : location_list) {

ofDrawSphere(location, 3);

for (auto& other : location_list) {

if (location == other) { continue; }

auto distance = glm::distance(location, other);

if (distance < 40) {

ofDrawLine(location, other);

}

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2021年4月2日2021年4月2日

Two screen, one source. Draw by openFrameworks

[ Video ]

[ About ]
Two screen, one source.

[ 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;

	ofImage image;
	cv::Mat frame;
};

#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;

ofImage image;

cv::Mat frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

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

	this->cap.open("D:\\MP4\\Pexels Videos 1739010.mp4");
	this->cap_size = cv::Size(1280, 720);

	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);
}

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

	ofSeedRandom(39);

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

		this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);
		return;
	}

	cv::cvtColor(src, src, cv::COLOR_BGR2RGB);
	cv::resize(src, this->frame, this->cap_size);
	cv::flip(this->frame, this->frame, 0);

	this->image.update();
}

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

	this->cam.begin();
	ofTranslate(-640, -360);

	vector<ofMesh> mesh_list;
	for (int x = 0; x < 1280; x += 40) {

		for (int y = 0; y < 720; y += 40) {

			auto noise_value = ofNoise(x * 0.005, y * 0.001 + ofGetFrameNum() * 0.005);

			ofMesh mesh_1, mesh_2;

			mesh_1.addVertex(glm::vec3(x, y, 0));
			mesh_1.addVertex(glm::vec3(x + 40, y, 0));
			mesh_1.addVertex(glm::vec3(x + 40, y + 40, 0));

			mesh_1.addTexCoord(glm::vec3(x, y, 0));
			mesh_1.addTexCoord(glm::vec3(x + 40, y, 0));
			mesh_1.addTexCoord(glm::vec3(x + 40, y + 40, 0));

			mesh_2.addVertex(glm::vec3(x, y + 40, 0));
			mesh_2.addVertex(glm::vec3(x + 40, y + 40, 0));
			mesh_2.addVertex(glm::vec3(x, y, 0));

			mesh_2.addTexCoord(glm::vec3(x, y + 40, 0));
			mesh_2.addTexCoord(glm::vec3(x + 40, y + 40, 0));
			mesh_2.addTexCoord(glm::vec3(x, y, 0));

			mesh_list.push_back(mesh_1);
			mesh_list.push_back(mesh_2);
		}
	}

	for (auto& mesh : mesh_list) {

		auto rotate = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));
		auto speed = glm::vec3(ofRandom(5, 10), ofRandom(5, 10), ofRandom(5, 10));

		auto avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3;
		mesh.setVertex(0, mesh.getVertex(0) - avg);
		mesh.setVertex(1, mesh.getVertex(1) - avg);
		mesh.setVertex(2, mesh.getVertex(2) - avg);

		auto noise_value = ofNoise(glm::vec4(avg * 0.001, ofGetFrameNum() * 0.005));
		if (noise_value < 0.48) {
						
			avg += glm::vec3(0, 0, -250);
			rotate = glm::vec3();
		}
		else if (noise_value < 0.52) {

			avg += glm::vec3(0, 0, ofMap(noise_value, 0.48, 0.52, -250, 250));
			rotate.x += ofGetFrameNum() * speed.x;
			rotate.y += ofGetFrameNum() * speed.y;
			rotate.z += ofGetFrameNum() * speed.z;
		}
		else {

			avg += glm::vec3(0, 0, 250);
			rotate = glm::vec3();
		}

		ofPushMatrix();
		ofTranslate(avg);
		ofRotateZ(rotate.z);
		ofRotateY(rotate.y);
		ofRotateX(rotate.x);

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

		if (glm::length(rotate) > 0) {
		
			ofSetColor(39);
			mesh.drawWireframe();
		}

		ofPopMatrix();
	}

	ofNoFill();
	ofSetColor(39);
	ofDrawRectangle(glm::vec3(0, 0, -250), 1280, 720);
	ofDrawRectangle(glm::vec3(0, 0, 250), 1280, 720);

	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);

ofSetLineWidth(2);

ofEnableDepthTest();

this->cap.open("D:\\MP4\\Pexels Videos 1739010.mp4");

this->cap_size = cv::Size(1280, 720);

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);

}

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

void ofApp::update() {

ofSeedRandom(39);

cv::Mat src;

this->cap >> src;

if (src.empty()) {

this->cap.set(cv::CAP_PROP_POS_FRAMES, 0);

return;

}

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

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

cv::flip(this->frame, this->frame, 0);

this->image.update();

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(-640, -360);

vector<ofMesh> mesh_list;

for (int x = 0; x < 1280; x += 40) {

for (int y = 0; y < 720; y += 40) {

auto noise_value = ofNoise(x * 0.005, y * 0.001 + ofGetFrameNum() * 0.005);

ofMesh mesh_1, mesh_2;

mesh_1.addVertex(glm::vec3(x, y, 0));

mesh_1.addVertex(glm::vec3(x + 40, y, 0));

mesh_1.addVertex(glm::vec3(x + 40, y + 40, 0));

mesh_1.addTexCoord(glm::vec3(x, y, 0));

mesh_1.addTexCoord(glm::vec3(x + 40, y, 0));

mesh_1.addTexCoord(glm::vec3(x + 40, y + 40, 0));

mesh_2.addVertex(glm::vec3(x, y + 40, 0));

mesh_2.addVertex(glm::vec3(x + 40, y + 40, 0));

mesh_2.addVertex(glm::vec3(x, y, 0));

mesh_2.addTexCoord(glm::vec3(x, y + 40, 0));

mesh_2.addTexCoord(glm::vec3(x + 40, y + 40, 0));

mesh_2.addTexCoord(glm::vec3(x, y, 0));

mesh_list.push_back(mesh_1);

mesh_list.push_back(mesh_2);

}

for (auto& mesh : mesh_list) {

auto rotate = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

auto speed = glm::vec3(ofRandom(5, 10), ofRandom(5, 10), ofRandom(5, 10));

auto avg = (mesh.getVertex(0) + mesh.getVertex(1) + mesh.getVertex(2)) / 3;

mesh.setVertex(0, mesh.getVertex(0) - avg);

mesh.setVertex(1, mesh.getVertex(1) - avg);

mesh.setVertex(2, mesh.getVertex(2) - avg);

auto noise_value = ofNoise(glm::vec4(avg * 0.001, ofGetFrameNum() * 0.005));

if (noise_value < 0.48) {

avg += glm::vec3(0, 0, -250);

rotate = glm::vec3();

}

else if (noise_value < 0.52) {

avg += glm::vec3(0, 0, ofMap(noise_value, 0.48, 0.52, -250, 250));

rotate.x += ofGetFrameNum() * speed.x;

rotate.y += ofGetFrameNum() * speed.y;

rotate.z += ofGetFrameNum() * speed.z;

}

else {

avg += glm::vec3(0, 0, 250);

rotate = glm::vec3();

}

ofPushMatrix();

ofTranslate(avg);

ofRotateZ(rotate.z);

ofRotateY(rotate.y);

ofRotateX(rotate.x);

ofSetColor(255);

this->image.bind();

mesh.draw();

this->image.unbind();

if (glm::length(rotate) > 0) {

ofSetColor(39);

mesh.drawWireframe();

}

ofPopMatrix();

}

ofNoFill();

ofSetColor(39);

ofDrawRectangle(glm::vec3(0, 0, -250), 1280, 720);

ofDrawRectangle(glm::vec3(0, 0, 250), 1280, 720);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210402

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