2024年11月 – ページ 3 – プログラミング de 落描き

2024年11月24日

Test the feel of the pen.

[ Video ]

[ About ]
ペンの試し書き。

[ 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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(39);
}

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

	int span = 120;
	for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

		for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

			auto seed = ofRandom(1000);
			vector<glm::vec2> vertices;

			for (int i = 0; i < 60; i++) {

				auto center = glm::vec2(x, y);
				auto radius = 80;

				for (int draw_radius = radius; draw_radius > 0;) {

					auto tmp_radius = draw_radius;
					draw_radius -= 10;

					auto deg = ofMap(ofNoise(seed, draw_radius, (ofGetFrameNum() + i) * 0.005), 0, 1, -360 * 3 , 360 * 3);
					auto center_radius = tmp_radius - draw_radius;
					center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));

					if (draw_radius == 10) {

						vertices.push_back(center);
					}
				}

				for (int i = 1; i < vertices.size(); i++) {

					ofSetColor(ofMap(i, 1, vertices.size(), 239, 0));
					ofDrawLine(vertices[i - 1], vertices[i]);
				}
			}
		}
	}

	/*
	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(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int span = 120;

for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

auto seed = ofRandom(1000);

vector<glm::vec2> vertices;

for (int i = 0; i < 60; i++) {

auto center = glm::vec2(x, y);

auto radius = 80;

for (int draw_radius = radius; draw_radius > 0;) {

auto tmp_radius = draw_radius;

draw_radius -= 10;

auto deg = ofMap(ofNoise(seed, draw_radius, (ofGetFrameNum() + i) * 0.005), 0, 1, -360 * 3 , 360 * 3);

auto center_radius = tmp_radius - draw_radius;

center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));

if (draw_radius == 10) {

vertices.push_back(center);

}

for (int i = 1; i < vertices.size(); i++) {

ofSetColor(ofMap(i, 1, vertices.size(), 239, 0));

ofDrawLine(vertices[i - 1], vertices[i]);

}

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/Insta20241124

2024年11月23日

Inscribed circle.

[ Video ]

[ About ]
内接する円。

[ 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) {};

	float seed_value;
};

#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) {};

float seed_value;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();
	ofSetCircleResolution(60);

	this->seed_value = ofRandom(1000);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(this->seed_value);
}

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

	int span = 120;
	for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

		for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

			auto center = glm::vec2(x, y);
			auto radius = span * 0.4;
			auto flag = ofRandom(100) < 50 ? true : false;

			for (int draw_radius = radius; draw_radius > 10;) {

				ofSetColor(239);
				ofDrawCircle(center, draw_radius * 0.99);

				flag = !flag;

				auto tmp_radius = draw_radius;
				draw_radius *= ofRandom(0.5, 0.8);

				auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -720, 720);
				auto center_radius = tmp_radius - draw_radius;
				center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));
			}
		}
	}

	/*
	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(39);

ofNoFill();

ofSetCircleResolution(60);

this->seed_value = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(this->seed_value);

}

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

void ofApp::draw() {

int span = 120;

for (int x = span * 1; x <= ofGetWindowWidth() - span * 1; x += span) {

for (int y = span * 1; y <= ofGetWindowHeight() - span * 1; y += span) {

auto center = glm::vec2(x, y);

auto radius = span * 0.4;

auto flag = ofRandom(100) < 50 ? true : false;

for (int draw_radius = radius; draw_radius > 10;) {

ofSetColor(239);

ofDrawCircle(center, draw_radius * 0.99);

flag = !flag;

auto tmp_radius = draw_radius;

draw_radius *= ofRandom(0.5, 0.8);

auto deg = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -720, 720);

auto center_radius = tmp_radius - draw_radius;

center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD));

}

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/Insta20241123

2024年11月22日

Circle on circle.

[ Video ]

[ About ]
円の上の円。

[ 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) {};

	float seed_value;
};

#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) {};

float seed_value;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(60);

	this->seed_value = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 25 < 5) {
	
		this->seed_value = ofRandom(10000);
	}

	ofSeedRandom(this->seed_value);
}


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

	int span = 72;
	for (int x = span * 1.5; x < ofGetWindowWidth() - span * 0.5; x += span) {

		for (int y = span * 1.5; y < ofGetWindowHeight() - span * 0.5; y += span) {

			auto center = glm::vec2(x, y);
			auto radius = span * 0.4;
			auto flag = ofRandom(100) < 50 ? true : false;

			for (int draw_radius = radius; draw_radius > 0;) {

				flag ? ofSetColor(39, 39, 239) : ofSetColor(239);
				ofDrawCircle(center, draw_radius);

				flag = !flag;

				auto tmp_radius = draw_radius;
				draw_radius *= ofRandom(0.5, 0.9);
			}
		}
	}

	/*
	int start = 45;
	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);

ofSetCircleResolution(60);

this->seed_value = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 25 < 5) {

this->seed_value = ofRandom(10000);

}

ofSeedRandom(this->seed_value);

}

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

void ofApp::draw() {

int span = 72;

for (int x = span * 1.5; x < ofGetWindowWidth() - span * 0.5; x += span) {

for (int y = span * 1.5; y < ofGetWindowHeight() - span * 0.5; y += span) {

auto center = glm::vec2(x, y);

auto radius = span * 0.4;

auto flag = ofRandom(100) < 50 ? true : false;

for (int draw_radius = radius; draw_radius > 0;) {

flag ? ofSetColor(39, 39, 239) : ofSetColor(239);

ofDrawCircle(center, draw_radius);

flag = !flag;

auto tmp_radius = draw_radius;

draw_radius *= ofRandom(0.5, 0.9);

}

int start = 45;

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/Insta20241122

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