codevember – ページ 5 – プログラミング de 落描き

2018年11月17日2018年11月19日

Crown. openFrameworks

[ Video ]

[ About ]
Day 17 Crown.

チカチカ王冠

Colorful crown.

[ 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) {};

	ofFbo fbo;
	vector<ofPoint> locations;
};

#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) {};

ofFbo fbo;

vector<ofPoint> locations;

};

#include "ofApp.h"

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

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

	ofBackground(39);

	ofImage image;
	image.loadImage("image/crown.png");

	this->fbo.allocate(ofGetWidth(), ofGetHeight());
	this->fbo.begin();
	ofClear(0);
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	image.draw(-image.getWidth() * 0.5, -image.getHeight() * 0.5);

	this->fbo.end();

	ofPixels pixels;
	this->fbo.readToPixels(pixels);

	int span = 15;
	for (int x = 0; x < this->fbo.getWidth(); x += span) {

		for (int y = 0; y < this->fbo.getHeight(); y += span) {

			if (pixels.getColor(x, y).a != 0) {

				this->locations.push_back(ofPoint(x - span * 0.5, y - span * 0.5));
			}
		}
	}
}

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

	ofSeedRandom(39);
}

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

	for (ofPoint location : this->locations) {

		float noise_seed = ofRandom(100);

		ofColor color;
		color.setHsb(ofNoise(noise_seed, ofGetFrameNum() * 0.05) * 255, 200, 255);
		ofSetColor(color);


		ofDrawRectangle(location, 10, 10);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofImage image;

image.loadImage("image/crown.png");

this->fbo.allocate(ofGetWidth(), ofGetHeight());

this->fbo.begin();

ofClear(0);

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

image.draw(-image.getWidth() * 0.5, -image.getHeight() * 0.5);

this->fbo.end();

ofPixels pixels;

this->fbo.readToPixels(pixels);

int span = 15;

for (int x = 0; x < this->fbo.getWidth(); x += span) {

for (int y = 0; y < this->fbo.getHeight(); y += span) {

if (pixels.getColor(x, y).a != 0) {

this->locations.push_back(ofPoint(x - span * 0.5, y - span * 0.5));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (ofPoint location : this->locations) {

float noise_seed = ofRandom(100);

ofColor color;

color.setHsb(ofNoise(noise_seed, ofGetFrameNum() * 0.05) * 255, 200, 255);

ofSetColor(color);

ofDrawRectangle(location, 10, 10);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/insta20181117

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Amazon

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2018年11月16日2018年11月19日

Star. openFrameworks

[ Video ]

[ About ]
Day 16 Star.

ブレる星

Stars.

[ 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) {};

	void draw_star(ofPoint location, float radius);	
};

#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) {};

void draw_star(ofPoint location, float radius);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofNoFill();
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	for (int i = 0; i < 50; i++) {

		ofColor color;
		color.setHsb(ofRandom(255), 255, 230);
		ofSetColor(color);

		ofPoint point = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
		this->draw_star(point, ofRandom(20, 60));
	}
}

//--------------------------------------------------------------
void ofApp::draw_star(ofPoint location, float radius) {

	ofPushMatrix();
	ofTranslate(location);

	ofRotate(ofRandom(360));

	int count = 0;
	vector<ofPoint> vertices;

	for (int deg = 0; deg < 720 * 5; deg += 72 * 2) {

		ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		ofPoint noisy_gap = ofPoint(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, -radius * 0.15, radius * 0.15), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, -radius * 0.15, radius * 0.15));
		vertices.push_back(point + noisy_gap);
	}

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int i = 0; i < 50; i++) {

ofColor color;

color.setHsb(ofRandom(255), 255, 230);

ofSetColor(color);

ofPoint point = ofPoint(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

this->draw_star(point, ofRandom(20, 60));

}

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

void ofApp::draw_star(ofPoint location, float radius) {

ofPushMatrix();

ofTranslate(location);

ofRotate(ofRandom(360));

int count = 0;

vector<ofPoint> vertices;

for (int deg = 0; deg < 720 * 5; deg += 72 * 2) {

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

ofPoint noisy_gap = ofPoint(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, -radius * 0.15, radius * 0.15), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, -radius * 0.15, radius * 0.15));

vertices.push_back(point + noisy_gap);

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181116

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Amazon

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2018年11月15日2018年11月15日

Fire. openFrameworks

[ Video ]

[ About ]
Day 15 Fire.

2次元配列による炎。0列目はパーリンノイズで値を決定、1列目以降は座標(x – 1, y – 1), (x, y – 1), (x + 1, y – 1), (x, y -2)の値の平均

Fire by two dimensional array. 0 column value determinate by Perlin Noise. From the 1 column onwards, value is average from (x – 1, y – 1), (x, y – 1), (x + 1, y – 1), (x, y -2).

[ 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 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::Mat frame;

	cv::Mat draw_frame;
	ofImage draw_image;
};

#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 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::Mat frame;

cv::Mat draw_frame;

ofImage draw_image;

};

#include "ofApp.h"

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

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

	this->frame = cv::Mat(200, 200, CV_8UC3);

	this->draw_image.allocate(ofGetWidth(), ofGetHeight(), OF_IMAGE_COLOR);
	this->draw_frame = cv::Mat(this->draw_image.getHeight(), this->draw_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->draw_image.getPixels().getNumChannels()), this->draw_image.getPixels().getData(), 0);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

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

		unsigned char value = ofNoise(x * 0.05, ofGetFrameNum() * 0.05) * 255;
		this->frame.at<cv::Vec3b>(0, x) = cv::Vec3b(value, 0, 0);
	}

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

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

			int sum = 0;
			int count = 0;

			sum += this->frame.at<cv::Vec3b>(y - 1, x)[0];
			count++;

			if (x >= 0) {

				sum += this->frame.at<cv::Vec3b>(y - 1, x - 1)[0];
				count++;
			}

			if (x < this->frame.rows - 1) {

				sum += this->frame.at<cv::Vec3b>(y - 1, x + 1)[0];
				count++;
			}

			if (y > 1) {

				sum += this->frame.at<cv::Vec3b>(y - 2, x)[0];
				count++;
			}

			int avg = sum / count;
			unsigned char r = 0;
			unsigned char g = 0;
			if (avg > 255) {

				r = 255;
			}
			else if (avg < 0) {

				r = 0;
			}
			else {

				r = avg;
				if (avg > 150) {

					g = (unsigned char)ofMap(avg, 150, 255, 0, 100);
				}

			}

			this->frame.at<cv::Vec3b>(y, x) = cv::Vec3b(r,  g, g * 0.1);
		}
	}

	this->frame *= 1.02;

	cv::resize(this->frame, this->draw_frame, cv::Size(ofGetWidth(), ofGetHeight()));
	this->draw_image.update();
}
//--------------------------------------------------------------
void ofApp::draw() {

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofRotate(180);

	this->draw_image.draw(ofGetWidth() * -0.5, ofGetHeight() * -0.5);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

this->frame = cv::Mat(200, 200, CV_8UC3);

this->draw_image.allocate(ofGetWidth(), ofGetHeight(), OF_IMAGE_COLOR);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

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

unsigned char value = ofNoise(x * 0.05, ofGetFrameNum() * 0.05) * 255;

this->frame.at<cv::Vec3b>(0, x) = cv::Vec3b(value, 0, 0);

}

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

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

int sum = 0;

int count = 0;

sum += this->frame.at<cv::Vec3b>(y - 1, x)[0];

count++;

if (x >= 0) {

sum += this->frame.at<cv::Vec3b>(y - 1, x - 1)[0];

count++;

}

if (x < this->frame.rows - 1) {

sum += this->frame.at<cv::Vec3b>(y - 1, x + 1)[0];

count++;

}

if (y > 1) {

sum += this->frame.at<cv::Vec3b>(y - 2, x)[0];

count++;

}

int avg = sum / count;

unsigned char r = 0;

unsigned char g = 0;

if (avg > 255) {

r = 255;

}

else if (avg < 0) {

r = 0;

}

else {

r = avg;

if (avg > 150) {

g = (unsigned char)ofMap(avg, 150, 255, 0, 100);

}

this->frame.at<cv::Vec3b>(y, x) = cv::Vec3b(r, g, g * 0.1);

}

this->frame *= 1.02;

cv::resize(this->frame, this->draw_frame, cv::Size(ofGetWidth(), ofGetHeight()));

this->draw_image.update();

}

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

void ofApp::draw() {

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

ofRotate(180);

this->draw_image.draw(ofGetWidth() * -0.5, ofGetHeight() * -0.5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181115

[ほしいものリスト]
Amazon

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