プログラミング de 落描き – ページ 855 – クリエイティブ・コーディングによる生成物とソース

2018年2月26日2018年2月25日

目の位置をずらす openFrameworks OpenCV

[ Video ]

[ About ]
GUCCI JAPANさんのツイートを見て面白いなと思いやってみました、その２です。

OpenCVで目の座標を検知して一定サイズだけ移動させるという方法で、目をずらしています。目線で移動したら面白いなと思ったのですが、大変そうなので断念。また、楽にやれる方法を思いついたらやってみます。
(機械学習で目の画像とベクトルデータを学習させたら行けそう？)

[ Source ]

#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 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) {};

	ofFbo fbo;

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

	cv::Mat frame;
	ofImage image;

	cv::CascadeClassifier eye_cascade;
};

#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 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) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

cv::CascadeClassifier eye_cascade;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open(1);
	this->cap_size = cv::Size(1280 * 0.5, 720 * 0.5);
	ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

	this->eye_cascade.load("opencv-3.3.1\\build\\install\\etc\\haarcascades\\haarcascade_eye.xml");

	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);

}

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

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

		cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}
	cv::resize(cap_frame, src, this->cap_size);
	cv::flip(src, src, 1);
	cv::cvtColor(src, src, CV_RGB2BGR);

	this->frame = this->frame.zeros(this->frame.size(), this->frame.type());

	vector<cv::Rect> eyes;
	this->eye_cascade.detectMultiScale(src, eyes);

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

		for (int y = src.rows - 1; y > -1; y--) {

			ofVec2f point(x, y);

			for (cv::Rect eye : eyes) {
				
				ofVec2f eye_point = ofVec2f(eye.x + eye.size().width / 2, eye.y + eye.size().height / 2);
				if (eye_point.distance(point) < 30) {

					ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);
					point = point + ofVec2f(0, 100 * ofNoise((eye.x, ofGetFrameNum() * 0.05)));
				}

			}

			int tmp_x = (int)point.x;
			int tmp_y = (int)point.y;

			if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

				this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);
			}
		}
	}

	this->image.update();
}

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

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

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

	ofSetupOpenGL(1280 * 0.5, 720 * 0.5, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open(1);

this->cap_size = cv::Size(1280 * 0.5, 720 * 0.5);

ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

this->eye_cascade.load("opencv-3.3.1\\build\\install\\etc\\haarcascades\\haarcascade_eye.xml");

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);

}

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

void ofApp::update() {

cv::Mat cap_frame, src, blend_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

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

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

cv::cvtColor(src, src, CV_RGB2BGR);

this->frame = this->frame.zeros(this->frame.size(), this->frame.type());

vector<cv::Rect> eyes;

this->eye_cascade.detectMultiScale(src, eyes);

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

for (int y = src.rows - 1; y > -1; y--) {

ofVec2f point(x, y);

for (cv::Rect eye : eyes) {

ofVec2f eye_point = ofVec2f(eye.x + eye.size().width / 2, eye.y + eye.size().height / 2);

if (eye_point.distance(point) < 30) {

ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);

point = point + ofVec2f(0, 100 * ofNoise((eye.x, ofGetFrameNum() * 0.05)));

}

int tmp_x = (int)point.x;

int tmp_y = (int)point.y;

if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);

}

this->image.update();

}

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

void ofApp::draw() {

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

}

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

int main() {

ofSetupOpenGL(1280 * 0.5, 720 * 0.5, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/insta20180225

2018年2月25日2018年2月24日

Cameraの映像を円形でずらしていく openFrameworks OpenCV

[ Video ]

[ About ]
GUCCI JAPANさんのツイートを見て面白いなと思いやってみました。

本日、#AlessandroMichele による #GucciFW18 コレクションのファッションショーがミラノのGucci Hubにて開催されます。日本時間23:00より、ランウェイのライブ配信をお楽しみください。#mfw https://t.co/aIO47vpHe3 pic.twitter.com/L4CPUwb11Z

— GUCCI JAPAN (@gucci_jp) 2018年2月21日

[ Source ]

#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 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) {};

	ofFbo fbo;

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

	cv::Mat frame;
	ofImage image;
};

#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 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) {};

ofFbo fbo;

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat frame;

ofImage image;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	this->cap.open(1);
	this->cap_size = cv::Size(1280, 720);
	ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

	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);

}

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

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

		return;
	}
	cv::resize(cap_frame, src, this->cap_size);
	cv::flip(src, src, 1);
	cv::cvtColor(src, src, CV_RGB2BGR);

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

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

			ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);
			ofVec2f point = ofVec2f(x, y);
			float distance = center.distance(point);

			if (distance < 300) {

				int angle = distance / 20;

				point = point - center;
				point = point.getRotated(angle * ofGetFrameNum());
				point = point + center;
			}
			
			float tmp_x = (int)point.x;
			float tmp_y = (int)point.y;
			
			if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

				this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);
			}
		}
	}

	this->image.update();
}

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

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

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

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(0);

ofSetWindowTitle("Insta");

this->cap.open(1);

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

ofSetFrameRate(this->cap.get(CV_CAP_PROP_FPS));

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);

}

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

void ofApp::update() {

cv::Mat cap_frame, src, blend_frame;

this->cap >> cap_frame;

if (cap_frame.empty()) {

return;

}

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

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

cv::cvtColor(src, src, CV_RGB2BGR);

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

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

ofVec2f center = ofVec2f(src.cols / 2, src.rows / 2);

ofVec2f point = ofVec2f(x, y);

float distance = center.distance(point);

if (distance < 300) {

int angle = distance / 20;

point = point - center;

point = point.getRotated(angle * ofGetFrameNum());

point = point + center;

}

float tmp_x = (int)point.x;

float tmp_y = (int)point.y;

if (tmp_x >= 0 && tmp_x < src.cols && tmp_y >= 0 && tmp_y < src.rows) {

this->frame.at<cv::Vec3b>(tmp_y, tmp_x) = src.at<cv::Vec3b>(y, x);

}

this->image.update();

}

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

void ofApp::draw() {

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

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180224

2018年2月24日2018年2月23日

伸び縮み openFrameworks

[ Video ]

[ About ]
トーラス座標上に伸びた線が伸びたり縮んだりします。

[ Source ]

#include "ofMain.h"
#include "Particle.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) {};

	ofEasyCam cam;
	std::vector<std::unique_ptr<Particle>> particles;
};

#include "ofMain.h"

#include "Particle.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) {};

ofEasyCam cam;

std::vector<std::unique_ptr<Particle>> particles;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();
	ofSetLineWidth(1.2);

	ofColor body_color;
	for (int i = 0; i < 12; i++) {

		switch (i)
		{
		case 0:
			body_color = ofColor(255, 0, 0);
			break;
		case 4:
			body_color = ofColor(0, 255, 0);
			break;
		case 8:
			body_color = ofColor(0, 0, 255);
			break;
		default:
			body_color = ofColor(255);
			break;
		}
			
		std::unique_ptr<Particle> particle(new Particle(i * 30, body_color));
		this->particles.push_back(std::move(particle));
	}
}

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

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

		this->particles[i]->update();
	}
}

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

	this->cam.begin();

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

		this->particles[i]->draw(this->particles);
	}
		
	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetLineWidth(1.2);

ofColor body_color;

for (int i = 0; i < 12; i++) {

switch (i)

{

case 0:

body_color = ofColor(255, 0, 0);

break;

case 4:

body_color = ofColor(0, 255, 0);

break;

case 8:

body_color = ofColor(0, 0, 255);

break;

default:

body_color = ofColor(255);

break;

}

std::unique_ptr<Particle> particle(new Particle(i * 30, body_color));

this->particles.push_back(std::move(particle));

}

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

void ofApp::update() {

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

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

}

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

void ofApp::draw() {

this->cam.begin();

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

this->particles[i]->draw(this->particles);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:

	Particle(float value, ofColor body_color);
	~Particle();

	void update();
	void draw(const vector<unique_ptr<Particle>> &particles);

	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
private:

	float radius;
	float small_radius;
	float deg;
	float small_deg;
	float deg_span;
	float small_deg_span;
	float value;

	ofColor body_color;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle(float value, ofColor body_color);

~Particle();

void update();

void draw(const vector<unique_ptr<Particle>> &particles);

ofPoint make_point(float radius, float small_radius, float deg, float small_deg);

private:

float radius;

float small_radius;

float deg;

float small_deg;

float deg_span;

float small_deg_span;

float value;

ofColor body_color;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle(float value, ofColor body_color) {

	this->radius = 230;
	this->small_radius = 50;
	this->deg = 0;
	this->small_deg = value;
	this->deg_span = 2;
	this->small_deg_span = 10;
	this->value = value;
	this->body_color = body_color;
}

//--------------------------------------------------------------
Particle::~Particle() { }

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

}

//--------------------------------------------------------------
void Particle::draw(const vector<unique_ptr<Particle>> &particles) {

	ofSetColor(this->body_color);
	
	int max = ofNoise(this->value * 0.05, ofGetFrameNum() * 0.005) * (360.f / this->deg_span);
	for (int i = 0; i < max; i++) {

		ofVec3f point_1 = make_point(this->radius, this->small_radius, this->deg - this->deg_span * i, this->small_deg - this->small_deg_span * i);
		ofVec3f point_2 = make_point(this->radius, this->small_radius, this->deg - this->deg_span * (i + 1), this->small_deg - this->small_deg_span * (i + 1));
		ofDrawLine(point_1, point_2);
	}

	ofVec3f point = make_point(this->radius, this->small_radius, this->deg - this->deg_span * max, this->small_deg - this->small_deg_span * max);
	ofDrawSphere(point, 3);
}

//--------------------------------------------------------------
ofPoint Particle::make_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

#include "Particle.h"

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

Particle::Particle(float value, ofColor body_color) {

this->radius = 230;

this->small_radius = 50;

this->deg = 0;

this->small_deg = value;

this->deg_span = 2;

this->small_deg_span = 10;

this->value = value;

this->body_color = body_color;

}

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

Particle::~Particle() { }

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

void Particle::update() {

}

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

void Particle::draw(const vector<unique_ptr<Particle>> &particles) {

ofSetColor(this->body_color);

int max = ofNoise(this->value * 0.05, ofGetFrameNum() * 0.005) * (360.f / this->deg_span);

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

ofVec3f point_1 = make_point(this->radius, this->small_radius, this->deg - this->deg_span * i, this->small_deg - this->small_deg_span * i);

ofVec3f point_2 = make_point(this->radius, this->small_radius, this->deg - this->deg_span * (i + 1), this->small_deg - this->small_deg_span * (i + 1));

ofDrawLine(point_1, point_2);

}

ofVec3f point = make_point(this->radius, this->small_radius, this->deg - this->deg_span * max, this->small_deg - this->small_deg_span * max);

ofDrawSphere(point, 3);

}

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

ofPoint Particle::make_point(float radius, float small_radius, float deg, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

[ Link ]
https://github.com/junkiyoshi/Insta20180223

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