programming – ページ 635 – プログラミング de 落描き

2018年5月20日2018年5月20日

穴 openFrameworks

[ Video ]

[ About ]
中央を円形にくり抜かれた四角の中の、円形が大きくなったり小さくなったり。

[ 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) {}

	// Make Member
	ofEasyCam cam;

	// Make Method
	void draw_rect_and_circle(ofPoint point, int rect_len);
};

#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) {}

// Make Member

ofEasyCam cam;

// Make Method

void draw_rect_and_circle(ofPoint point, int rect_len);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39, 39, 239);
	ofSetWindowTitle("Insta");
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	int rect_len = 120;
	for (int x = -ofGetWidth() / 2 + rect_len / 2; x <= ofGetWidth() / 2 - rect_len / 2; x += rect_len) {

		for (int y = -ofGetHeight() / 2 + rect_len / 2; y <= ofGetHeight() / 2 - rect_len / 2; y += rect_len) {

			this->draw_rect_and_circle(ofPoint(x, y), rect_len);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_rect_and_circle(ofPoint point, int rect_len) {

	ofPushMatrix();
	ofTranslate(point);

	int radius = rect_len * 0.45;

	ofBeginShape();
	ofVertex(-rect_len / 2, -rect_len / 2);
	ofVertex(rect_len / 2, -rect_len / 2);
	ofVertex(rect_len / 2, rect_len / 2);
	ofVertex(-rect_len / 2, rect_len / 2);

	ofNextContour();
	for (int deg = 0; deg < 360; deg += 1) {

		ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
	}
	ofEndShape(true);

	radius *= ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.01), 0, 1, 0.4, 1.2);
	ofBeginShape();
	for (int deg = 0; deg < 360; deg += 1) {

		ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
	}
	ofEndShape(true);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39, 39, 239);

ofSetWindowTitle("Insta");

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

int rect_len = 120;

for (int x = -ofGetWidth() / 2 + rect_len / 2; x <= ofGetWidth() / 2 - rect_len / 2; x += rect_len) {

for (int y = -ofGetHeight() / 2 + rect_len / 2; y <= ofGetHeight() / 2 - rect_len / 2; y += rect_len) {

this->draw_rect_and_circle(ofPoint(x, y), rect_len);

}

this->cam.end();

}

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

void ofApp::draw_rect_and_circle(ofPoint point, int rect_len) {

ofPushMatrix();

ofTranslate(point);

int radius = rect_len * 0.45;

ofBeginShape();

ofVertex(-rect_len / 2, -rect_len / 2);

ofVertex(rect_len / 2, -rect_len / 2);

ofVertex(rect_len / 2, rect_len / 2);

ofVertex(-rect_len / 2, rect_len / 2);

ofNextContour();

for (int deg = 0; deg < 360; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

radius *= ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.01), 0, 1, 0.4, 1.2);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180520

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2018年5月19日2018年5月19日

球体座標を上る球体 openFrameworks

[ Video ]

[ About ]
球体座標をループする球体群

[ 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) {}

	// Make Member
	ofEasyCam cam;
};

#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) {}

// Make Member

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}


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

	this->cam.begin();
	ofRotateX(270);
	ofRotate(ofGetFrameNum() * 0.5);

	ofColor body_color;
	for (int i = 0; i < 500; i++) {

		body_color.setHsb(ofRandom(255), 239, 239);
		ofSetColor(body_color);

		ofPoint point = ofPoint(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2), ofRandom(-360, 360));
		point.z = ((int)point.z + ofGetFrameNum() * (int)ofRandom(5)) % 720;
		point.z -= 360;
		point = point.normalized() * 300;

		ofDrawSphere(point, 10);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotate(ofGetFrameNum() * 0.5);

ofColor body_color;

for (int i = 0; i < 500; i++) {

body_color.setHsb(ofRandom(255), 239, 239);

ofSetColor(body_color);

ofPoint point = ofPoint(ofRandom(-ofGetWidth() / 2, ofGetWidth() / 2), ofRandom(-ofGetHeight() / 2, ofGetHeight() / 2), ofRandom(-360, 360));

point.z = ((int)point.z + ofGetFrameNum() * (int)ofRandom(5)) % 720;

point.z -= 360;

point = point.normalized() * 300;

ofDrawSphere(point, 10);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180519

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2018年5月18日2018年5月18日

奥行が感じれる画面 openFrameworks OpenCV

[ Video ]

[ About ]
奥行が感じれる(かもしれない)画面を作ってみまいた。だいぶ前にSNSで見かけてやってみたかったヤツです。視点の認識はOpenCVの顔認識を使いました。

Surfaceの内蔵センサーの値を使っても何かしらできそう。

[ 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) {}

	// Make Member
	cv::VideoCapture cap;
	cv::Size cap_size;
	cv::Mat src, mini_src;
	cv::CascadeClassifier face_cascade;
	ofPoint gap;
};

#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) {}

// Make Member

cv::VideoCapture cap;

cv::Size cap_size;

cv::Mat src, mini_src;

cv::CascadeClassifier face_cascade;

ofPoint gap;

};

#include "ofApp.h"

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

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

	ofEnableDepthTest();
	ofSetLineWidth(2);

	this->cap.open(1);
	this->cap_size = cv::Size(320, 180);
	this->face_cascade.load("opencv-3.4.1\\build\\install\\etc\\haarcascades\\haarcascade_frontalface_default.xml");
	this->gap = ofPoint(0, 0);
}

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

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

	vector<cv::Rect> faces;
	this->face_cascade.detectMultiScale(mini_src, faces);

	if(faces.size() > 0){

		this->gap = ofPoint(ofMap(faces[0].x + faces[0].width / 2, 0, this->cap_size.width, 30, -30), ofMap(faces[0].y, 0, this->cap_size.height, -30, 30));
	}

	cv::imshow("mini_src", mini_src);
	cv::waitKey(1);
}


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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	for (int z = 0; z > -600; z += -20) {

		ofFill();
		ofSetColor(239, ofMap(z, 0, -600, 255, 0));

		ofBeginShape();
		ofVertex(ofGetWidth() * 0.5, ofGetHeight() * 0.5, z);
		ofVertex(-ofGetWidth() * 0.5, ofGetHeight() * 0.5, z);
		ofVertex(-ofGetWidth() * 0.5, -ofGetHeight() * 0.5, z);
		ofVertex(ofGetWidth() * 0.5, -ofGetHeight() * 0.5, z);

		ofNextContour(true);

		ofVertex(ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);
		ofVertex(-ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);
		ofVertex(-ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);
		ofVertex(ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);

		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertex(ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);
		ofVertex(-ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);
		ofVertex(-ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);
		ofVertex(ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);
		ofEndShape(true);

		ofTranslate(this->gap.x, this->gap.y);
	}
}

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

	ofSetupOpenGL(1920, 1080, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

ofSetLineWidth(2);

this->cap.open(1);

this->cap_size = cv::Size(320, 180);

this->face_cascade.load("opencv-3.4.1\\build\\install\\etc\\haarcascades\\haarcascade_frontalface_default.xml");

this->gap = ofPoint(0, 0);

}

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

void ofApp::update() {

this->cap >> src;

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

vector<cv::Rect> faces;

this->face_cascade.detectMultiScale(mini_src, faces);

if(faces.size() > 0){

this->gap = ofPoint(ofMap(faces[0].x + faces[0].width / 2, 0, this->cap_size.width, 30, -30), ofMap(faces[0].y, 0, this->cap_size.height, -30, 30));

}

cv::imshow("mini_src", mini_src);

cv::waitKey(1);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

for (int z = 0; z > -600; z += -20) {

ofFill();

ofSetColor(239, ofMap(z, 0, -600, 255, 0));

ofBeginShape();

ofVertex(ofGetWidth() * 0.5, ofGetHeight() * 0.5, z);

ofVertex(-ofGetWidth() * 0.5, ofGetHeight() * 0.5, z);

ofVertex(-ofGetWidth() * 0.5, -ofGetHeight() * 0.5, z);

ofVertex(ofGetWidth() * 0.5, -ofGetHeight() * 0.5, z);

ofNextContour(true);

ofVertex(ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);

ofVertex(-ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);

ofVertex(-ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);

ofVertex(ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertex(ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);

ofVertex(-ofGetWidth() * 0.47, ofGetHeight() * 0.47, z);

ofVertex(-ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);

ofVertex(ofGetWidth() * 0.47, -ofGetHeight() * 0.47, z);

ofEndShape(true);

ofTranslate(this->gap.x, this->gap.y);

}

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

int main() {

ofSetupOpenGL(1920, 1080, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180518

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