プログラミング de 落描き – ページ 763 – 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6月23日2018年6月23日

2種類の動画をnoiseでミックス

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2種類の動画をnoiseを元にミックスしました

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#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) {};

	cv::VideoCapture cap_1;
	cv::VideoCapture cap_2;
	cv::Size cap_size;
	cv::Mat blend_frame;
	ofImage blend_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) {};

cv::VideoCapture cap_1;

cv::VideoCapture cap_2;

cv::Size cap_size;

cv::Mat blend_frame;

ofImage blend_image;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	this->cap_size = cv::Size(1280, 720);
	this->cap_1.open("D:\\video\\beach.mp4");
	this->cap_2.open("D:\\video\\city2.mp4");

	this->blend_image.allocate(this->cap_size.width, this->cap_size.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);
}

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

	cv::Mat src_1, src_2, mini_1, mini_2;
	this->cap_1 >> src_1;
	if (src_1.empty()) {

		this->cap_1.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}
	this->cap_2 >> src_2;
	if (src_2.empty()) {

		this->cap_2.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}

	cv::resize(src_1, mini_1, this->cap_size);
	cv::resize(src_2, mini_2, this->cap_size);
	
	for (int x = 0; x < this->blend_frame.cols; x += 1) {

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

			float noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005);

			if (noise_value < 0.5) {

				this->blend_frame.at<cv::Vec3b>(y, x) = mini_1.at<cv::Vec3b>(y, x);
			}
			else {

				this->blend_frame.at<cv::Vec3b>(y, x) = mini_2.at<cv::Vec3b>(y, x);
			}
		}
	}

	cv::cvtColor(this->blend_frame, this->blend_frame, CV_BGR2RGB);
	this->blend_image.update();
}

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

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("Insta");

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

this->cap_1.open("D:\\video\\beach.mp4");

this->cap_2.open("D:\\video\\city2.mp4");

this->blend_image.allocate(this->cap_size.width, this->cap_size.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);

}

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

void ofApp::update() {

cv::Mat src_1, src_2, mini_1, mini_2;

this->cap_1 >> src_1;

if (src_1.empty()) {

this->cap_1.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

this->cap_2 >> src_2;

if (src_2.empty()) {

this->cap_2.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(src_1, mini_1, this->cap_size);

cv::resize(src_2, mini_2, this->cap_size);

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

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

float noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005);

if (noise_value < 0.5) {

this->blend_frame.at<cv::Vec3b>(y, x) = mini_1.at<cv::Vec3b>(y, x);

}

else {

this->blend_frame.at<cv::Vec3b>(y, x) = mini_2.at<cv::Vec3b>(y, x);

}

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

this->blend_image.update();

}

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

void ofApp::draw() {

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

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180623

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2018年6月22日2018年6月22日

文字の輪郭遊び openFrameworks

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文字の輪郭をなぞる点。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofTrueTypeFont font;
	int font_size;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofTrueTypeFont font;

int font_size;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetColor(39);
	ofSetLineWidth(2);

	this->font_size = 100;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

}

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

	ofTranslate(20, this->font_size + 20);

	vector<char> charactors = { 'A', 'B', 'C', 'D', 'E', 'F',
								'G', 'H', 'I', 'J', 'K', 'L',
								'M', 'N', 'O', 'P', 'Q', 'R',
								'S', 'T', 'U', 'V', 'W', 'X',
								'Y', 'Z', '!'};
	int sample_count = 180;
	for (int charactor_index = 0; charactor_index < charactors.size(); charactor_index++) {

		ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);
		vector<ofPolyline> outline = path.getOutline();

		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();

			ofBeginShape();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				ofPoint point(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

				if (ofGetFrameNum() % (sample_count * 2) < sample_count) {

					if (vertices_index < ofGetFrameNum() % sample_count) { 
						
						ofVertex(point); 
					}
				}
				else {

					if (vertices_index > ofGetFrameNum() % sample_count) { 
						
						ofVertex(point); 
					}
				}

				if (vertices_index == ofGetFrameNum() % sample_count) { 
					
					ofDrawCircle(point, 3); 
				}

			}
			ofEndShape();
		}

		if ((charactor_index + 1) % 6 == 0) {

			ofTranslate(this->font_size * -6, this->font_size * 1.4);
		}
		else {

			ofTranslate(this->font_size * 1.2, 0);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(39);

ofSetLineWidth(2);

this->font_size = 100;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(20, this->font_size + 20);

vector<char> charactors = { 'A', 'B', 'C', 'D', 'E', 'F',

'G', 'H', 'I', 'J', 'K', 'L',

'M', 'N', 'O', 'P', 'Q', 'R',

'S', 'T', 'U', 'V', 'W', 'X',

'Y', 'Z', '!'};

int sample_count = 180;

for (int charactor_index = 0; charactor_index < charactors.size(); charactor_index++) {

ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);

vector<ofPolyline> outline = path.getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

ofBeginShape();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

ofPoint point(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

if (ofGetFrameNum() % (sample_count * 2) < sample_count) {

if (vertices_index < ofGetFrameNum() % sample_count) {

ofVertex(point);

}

else {

if (vertices_index > ofGetFrameNum() % sample_count) {

ofVertex(point);

}

if (vertices_index == ofGetFrameNum() % sample_count) {

ofDrawCircle(point, 3);

}

ofEndShape();

}

if ((charactor_index + 1) % 6 == 0) {

ofTranslate(this->font_size * -6, this->font_size * 1.4);

}

else {

ofTranslate(this->font_size * 1.2, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180622

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2018年6月21日2018年6月21日

動画を円化け openFrameworks

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[ About ]
OpenCVで取得した動画の色情報を、円に転写。それぞれの円をNoise関数でユラユラさせました

[ 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) {};

	cv::VideoCapture cap;
	cv::Mat cap_frame;
	ofImage cap_image;
	cv::Size cap_size;
};

#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) {};

cv::VideoCapture cap;

cv::Mat cap_frame;

ofImage cap_image;

cv::Size cap_size;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofSetLineWidth(3);

	this->cap.open("D:\\video\\image2.mp4");
	this->cap_size = cv::Size(1280, 720);
	this->cap_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->cap_frame = cv::Mat(this->cap_image.getHeight(), this->cap_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->cap_image.getPixels().getNumChannels()), this->cap_image.getPixels().getData(), 0);
}

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

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

		this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}

	cv::resize(origin, this->cap_frame, this->cap_size);
	cv::cvtColor(this->cap_frame, this->cap_frame, CV_BGR2RGB);
	
	this->cap_image.update();
}

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

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

	for (int radius = 0; radius < 720; radius += 10) {

		float noise_value = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -60, 60);
		ofPushMatrix();
		ofRotate(noise_value);

		for (int deg = 0; deg < 360; deg++) {

			int x = radius * cos(deg * DEG_TO_RAD);
			int y = radius * sin(deg * DEG_TO_RAD);

			int x_index = x + this->cap_size.width * 0.5;
			int y_index = y + this->cap_size.height * 0.5;

			if (x_index < 0 || x_index >= this->cap_size.width || y_index < 0 || y_index >= this->cap_size.height) {

				continue;
			}

			ofColor color(this->cap_frame.at<cv::Vec3b>(y_index, x_index)[0], this->cap_frame.at<cv::Vec3b>(y_index, x_index)[1], this->cap_frame.at<cv::Vec3b>(y_index, x_index)[2]);
			ofSetColor(color);

			int next_x = radius * cos((deg + 1) * DEG_TO_RAD);
			int next_y = radius * sin((deg + 1) * DEG_TO_RAD);

			ofDrawLine(x, y, next_x, next_y);
		}

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofSetLineWidth(3);

this->cap.open("D:\\video\\image2.mp4");

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

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

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

}

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

void ofApp::update() {

cv::Mat origin;

this->cap >> origin;

if (origin.empty()) {

this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

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

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

this->cap_image.update();

}

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

void ofApp::draw() {

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

for (int radius = 0; radius < 720; radius += 10) {

float noise_value = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -60, 60);

ofPushMatrix();

ofRotate(noise_value);

for (int deg = 0; deg < 360; deg++) {

int x = radius * cos(deg * DEG_TO_RAD);

int y = radius * sin(deg * DEG_TO_RAD);

int x_index = x + this->cap_size.width * 0.5;

int y_index = y + this->cap_size.height * 0.5;

if (x_index < 0 || x_index >= this->cap_size.width || y_index < 0 || y_index >= this->cap_size.height) {

continue;

}

ofColor color(this->cap_frame.at<cv::Vec3b>(y_index, x_index)[0], this->cap_frame.at<cv::Vec3b>(y_index, x_index)[1], this->cap_frame.at<cv::Vec3b>(y_index, x_index)[2]);

ofSetColor(color);

int next_x = radius * cos((deg + 1) * DEG_TO_RAD);

int next_y = radius * sin((deg + 1) * DEG_TO_RAD);

ofDrawLine(x, y, next_x, next_y);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180621

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