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

2025年7月11日

disintegrating torus.

[ Video ]

[ About ]
崩壊するトーラス。

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	ofMesh face, frame;
};

#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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	float phi_deg_step = 0.5;
	float theta_deg_step = 0.5;

	int R = (ofGetFrameNum() * 4) % 300 + 30;
	float r = R * 0.23;

	auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, PI * -3, PI * 3), glm::vec3(0, 1, 0));
	auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, PI * -3, PI * 3), glm::vec3(1, 0, 0));

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

			float threshold = ofMap(R, 30, 300, 0, 1.1);
			auto noise_value = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg) * 0.01));
			if (noise_value < threshold) { continue; }

			auto noise_1 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg - theta_deg_step, phi_deg) * 0.01));
			auto noise_2 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg + phi_deg_step) * 0.01));
			auto noise_3 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg - phi_deg_step) * 0.01));
			auto noise_4 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg + theta_deg_step, phi_deg) * 0.01));

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

			for (auto& vertex : vertices) {

				vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x;
			}

			this->face.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
			this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

			auto color_value = R < 200 ? ofColor(39) : ofColor(ofMap(R, 200, 300, 39, 239));
			this->face.addColor(ofColor(color_value));
			this->face.addColor(ofColor(color_value));
			this->face.addColor(ofColor(color_value));
			this->face.addColor(ofColor(color_value));

			color_value = ofColor(239);

			if (noise_1 < threshold) {

				this->frame.addVertex(vertices[0]);
				this->frame.addVertex(vertices[2]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);

				this->frame.addColor(ofColor(color_value));
				this->frame.addColor(ofColor(color_value));
			}

			if (noise_2 < threshold) {

				this->frame.addVertex(vertices[2]);
				this->frame.addVertex(vertices[3]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);

				this->frame.addColor(ofColor(color_value));
				this->frame.addColor(ofColor(color_value));
			}

			if (noise_3 < threshold) {

				this->frame.addVertex(vertices[0]);
				this->frame.addVertex(vertices[1]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);

				this->frame.addColor(ofColor(color_value));
				this->frame.addColor(ofColor(color_value));
			}

			if (noise_4 < threshold) {

				this->frame.addVertex(vertices[1]);
				this->frame.addVertex(vertices[3]);

				this->frame.addIndex(this->frame.getNumVertices() - 1);
				this->frame.addIndex(this->frame.getNumVertices() - 2);

				this->frame.addColor(ofColor(color_value));
				this->frame.addColor(ofColor(color_value));

			}

		}
	}
}


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

	this->cam.begin();

	this->frame.draw();
	this->face.draw();

	this->cam.end();

	/*
	int start = 100;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float phi_deg_step = 0.5;

float theta_deg_step = 0.5;

int R = (ofGetFrameNum() * 4) % 300 + 30;

float r = R * 0.23;

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, PI * -3, PI * 3), glm::vec3(0, 1, 0));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, PI * -3, PI * 3), glm::vec3(1, 0, 0));

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

float threshold = ofMap(R, 30, 300, 0, 1.1);

auto noise_value = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg) * 0.01));

if (noise_value < threshold) { continue; }

auto noise_1 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg - theta_deg_step, phi_deg) * 0.01));

auto noise_2 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg + phi_deg_step) * 0.01));

auto noise_3 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg, phi_deg - phi_deg_step) * 0.01));

auto noise_4 = ofNoise(glm::vec3(this->make_point(300, 80, theta_deg + theta_deg_step, phi_deg) * 0.01));

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

for (auto& vertex : vertices) {

vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x;

}

this->face.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

auto color_value = R < 200 ? ofColor(39) : ofColor(ofMap(R, 200, 300, 39, 239));

this->face.addColor(ofColor(color_value));

color_value = ofColor(239);

if (noise_1 < threshold) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[2]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addColor(ofColor(color_value));

}

if (noise_2 < threshold) {

this->frame.addVertex(vertices[2]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addColor(ofColor(color_value));

}

if (noise_3 < threshold) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[1]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addColor(ofColor(color_value));

}

if (noise_4 < threshold) {

this->frame.addVertex(vertices[1]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

this->frame.addColor(ofColor(color_value));

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.draw();

this->face.draw();

this->cam.end();

int start = 100;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250711

2025年7月10日

Cracked sphere.

[ Video ]

[ About ]
ひび割れた球。

[ 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) {};

	ofEasyCam cam;

	ofMesh mesh, draw_mesh, line_mesh;
};

#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) {};

ofEasyCam cam;

ofMesh mesh, draw_mesh, line_mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 6);
	this->mesh = ico_sphere.getMesh();
}

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

	this->draw_mesh = this->mesh;
	this->line_mesh = this->mesh;

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

		glm::vec3 vertex = this->draw_mesh.getVertex(i);
		auto noise_value = ofNoise(glm::vec4(vertex * 0.015, ofGetFrameNum() * 0.008));

		if (noise_value > 0.47 && noise_value < 0.53) {

			vertex = glm::normalize(vertex) * 200;
		}

		this->draw_mesh.setVertex(i, vertex);
		this->draw_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 200, 39, 200)));
		this->line_mesh.setVertex(i, vertex);
		this->line_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 200, 200, 200)));
		
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.72);

	this->draw_mesh.draw();
	this->line_mesh.drawWireframe();

	this->cam.end();

	/*
	int start = 350;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 6);

this->mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

this->draw_mesh = this->mesh;

this->line_mesh = this->mesh;

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

glm::vec3 vertex = this->draw_mesh.getVertex(i);

auto noise_value = ofNoise(glm::vec4(vertex * 0.015, ofGetFrameNum() * 0.008));

if (noise_value > 0.47 && noise_value < 0.53) {

vertex = glm::normalize(vertex) * 200;

}

this->draw_mesh.setVertex(i, vertex);

this->draw_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 200, 39, 200)));

this->line_mesh.setVertex(i, vertex);

this->line_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 200, 200, 200)));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.72);

this->draw_mesh.draw();

this->line_mesh.drawWireframe();

this->cam.end();

int start = 350;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250710

2025年7月9日

Spherical folds.

[ Video ]

[ About ]
球体のひだ。

[ 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) {};

	ofEasyCam cam;

	ofMesh mesh, draw_mesh, line_mesh;
};

#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) {};

ofEasyCam cam;

ofMesh mesh, draw_mesh, line_mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(300, 6);
	this->mesh = ico_sphere.getMesh();
}

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

	this->draw_mesh = this->mesh;
	this->line_mesh = this->mesh;

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

		glm::vec3 vertex = this->draw_mesh.getVertex(i);
		auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.008));

		if (noise_value > 0.4 && noise_value < 0.5) {

			vertex = glm::normalize(vertex) * ofMap(noise_value, 0.4, 0.5, 300, 350);
		}
		else if (noise_value >= 0.5 && noise_value < 0.6) {

			vertex = glm::normalize(vertex) * ofMap(noise_value, 0.5, 0.6, 350, 300);
		}

		this->draw_mesh.setVertex(i, vertex);
		this->draw_mesh.addColor(ofColor(239));
		this->line_mesh.setVertex(i, vertex);
		this->line_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 350, 200, 39)));
		
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.72);

	this->draw_mesh.draw();
	this->line_mesh.drawWireframe();

	this->cam.end();

	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 6);

this->mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

this->draw_mesh = this->mesh;

this->line_mesh = this->mesh;

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

glm::vec3 vertex = this->draw_mesh.getVertex(i);

auto noise_value = ofNoise(glm::vec4(vertex * 0.005, ofGetFrameNum() * 0.008));

if (noise_value > 0.4 && noise_value < 0.5) {

vertex = glm::normalize(vertex) * ofMap(noise_value, 0.4, 0.5, 300, 350);

}

else if (noise_value >= 0.5 && noise_value < 0.6) {

vertex = glm::normalize(vertex) * ofMap(noise_value, 0.5, 0.6, 350, 300);

}

this->draw_mesh.setVertex(i, vertex);

this->draw_mesh.addColor(ofColor(239));

this->line_mesh.setVertex(i, vertex);

this->line_mesh.addColor(ofColor(ofMap(glm::length(vertex), 300, 350, 200, 39)));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.72);

this->draw_mesh.draw();

this->line_mesh.drawWireframe();

this->cam.end();

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20250709

2025年7月
月	火	水	木	金	土	日
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30	31