noise – ページ 372 – プログラミング de 落描き

2018年6月28日2018年6月28日

円とノイズ遊び openFrameworks

[ Video ]

[ About ]
角度ごとに、二つの半径の円座標を結ぶ線を、Noiseで歪めました

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239, 128);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}	

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	
	int start_radius = 100;
	int max_radius = 320;

	for (int deg = 0; deg < 360; deg += 2) {

		int half_radius = (max_radius - start_radius) * 0.5 + start_radius;
		ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

		ofBeginShape();
		for (int radius = start_radius; radius <= max_radius; radius += 1) {

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
			float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);
			float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);
			noise_deg *= deg_param; 

			point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));
			ofVertex(point);
		}
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetColor(239, 128);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int start_radius = 100;

int max_radius = 320;

for (int deg = 0; deg < 360; deg += 2) {

int half_radius = (max_radius - start_radius) * 0.5 + start_radius;

ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

ofBeginShape();

for (int radius = start_radius; radius <= max_radius; radius += 1) {

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);

float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);

noise_deg *= deg_param;

point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));

ofVertex(point);

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180628

2018年6月26日2018年6月26日

四角と円を合成

[ Video ]

[ About ]
四角と円の座標の合成キメラ

[ Source ]

#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) {}

	ofPoint make_rect_point(float half_len, int deg, int z = 0);
};

#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) {}

ofPoint make_rect_point(float half_len, int deg, int z = 0);

};

#include "ofApp.h"

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

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

	ofSetColor(39);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	int radius = 100;
	for (int x = 0; x < 3; x++) {

		for (int y = 0; y < 3; y++) {

			ofPushMatrix();
			ofTranslate(x * 240 + 120, y * 240 + 120);

			float random_value = ofRandom(100);

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

				ofPoint point = make_rect_point(radius, deg);

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

				if (noise_value > 0.5) {

					point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				}

				ofVertex(point);
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
ofPoint ofApp::make_rect_point(float len, int deg, int z) {

	int half_len = len * 0.5;
	int param = (deg + 45) / 90;

	ofPoint point;

	switch (param % 4) {

	case 0:

		return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);
	case 1:

		return  ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);
	case 2:

		return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);
	case 3:

		return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);
	default:

		return ofPoint(0, 0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int radius = 100;

for (int x = 0; x < 3; x++) {

for (int y = 0; y < 3; y++) {

ofPushMatrix();

ofTranslate(x * 240 + 120, y * 240 + 120);

float random_value = ofRandom(100);

ofBeginShape();

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

ofPoint point = make_rect_point(radius, deg);

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

if (noise_value > 0.5) {

point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

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

ofPoint ofApp::make_rect_point(float len, int deg, int z) {

int half_len = len * 0.5;

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);

case 1:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);

case 2:

return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);

case 3:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);

default:

return ofPoint(0, 0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180626

2018年6月25日2018年6月25日

動画 × Noise

[ Video ]

[ About ]
動画を一定の間隔で区切り、それぞれの範囲別で描写されるフレーム番号を変えています。手前は往来による動きあるのでブロックノイズのような情報になり、奥は動きが少ないので変化も少ないのが面白い

[ 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> frames;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<ofImage*> rect_images;
	vector<cv::Rect> cv_rects;
};

#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> frames;

float rect_size;

vector<cv::Mat> rect_frames;

vector<ofImage*> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

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

	ofBackground(239);
	ofSetWindowTitle("Insta");
	ofSetFrameRate(30);

	this->cap.open("D:\\video\\image1.mp4");
	this->cap_size = cv::Size(1280, 720);

	this->rect_size = 20;
	for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

		for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

			ofImage* image = new ofImage();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			this->rect_images.push_back(image);

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

			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);
			this->cv_rects.push_back(rect);
		}
	}

	this->number_of_frames = 380;
	for (int i = 0; i < this->number_of_frames; i++) {

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

			cap.set(CV_CAP_PROP_POS_FRAMES, 1);
			return;
		}

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

		this->frames.push_back(frame);
	}
}

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

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

		int frames_index = ofMap(ofNoise(this->cv_rects[i].x * 0.0005, this->cv_rects[i].y * 0.0005, ofGetFrameNum() * 0.008), 0, 1, 0, this->number_of_frames);
		cv::Mat tmp_box_image(this->frames[frames_index], this->cv_rects[i]);
		tmp_box_image.copyTo(this->rect_frames[i]);

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

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

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

		this->rect_images[i]->draw(this->cv_rects[i].x, this->cv_rects[i].y);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetFrameRate(30);

this->cap.open("D:\\video\\image1.mp4");

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

this->rect_size = 20;

for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

ofImage* image = new ofImage();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

this->rect_images.push_back(image);

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

this->rect_frames.push_back(frame);

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->cv_rects.push_back(rect);

}

this->number_of_frames = 380;

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

cv::Mat src, frame;

this->cap >> src;

if (src.empty()) {

cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

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

cv::cvtColor(frame, frame, CV_BGR2RGB);

this->frames.push_back(frame);

}

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

void ofApp::update() {

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

int frames_index = ofMap(ofNoise(this->cv_rects[i].x * 0.0005, this->cv_rects[i].y * 0.0005, ofGetFrameNum() * 0.008), 0, 1, 0, this->number_of_frames);

cv::Mat tmp_box_image(this->frames[frames_index], this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

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

}

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

void ofApp::draw() {

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

this->rect_images[i]->draw(this->cv_rects[i].x, this->cv_rects[i].y);

}

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

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180625

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