character – ページ 20 – プログラミング de 落描き

2019年2月28日2019年2月28日

Shape and character from noise value. openFrameworks

[ Video ]

[ About ]
ノイズ値を形状と文字へ変換

Shape and character from noise value.

[ 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) {};

	ofTrueTypeFont font;
};

#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) {};

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetCircleResolution(60);
	ofSetLineWidth(2);

	this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);
}

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

}

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

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

	int radius = 250;
	for (int deg = 0; deg < 360; deg += 8) {

		auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
		ofPushMatrix();
		ofTranslate(point);
		ofRotate(deg - 270);

		string word = string{ (char)ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 65, 91) };
		this->font.drawString(word, 0, 0);

		ofPopMatrix();
	}

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

		auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto radius = ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 50, 150);

		ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
	}
	ofEndShape(true);

	ofNoFill();
	ofDrawCircle(glm::vec2(), radius - 10);
	ofDrawCircle(glm::vec2(), radius + 50);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetCircleResolution(60);

ofSetLineWidth(2);

this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int radius = 250;

for (int deg = 0; deg < 360; deg += 8) {

auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

ofPushMatrix();

ofTranslate(point);

ofRotate(deg - 270);

string word = string{ (char)ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 65, 91) };

this->font.drawString(word, 0, 0);

ofPopMatrix();

}

ofFill();

ofBeginShape();

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

auto point = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto radius = ofMap(ofNoise(point.x * 0.001, point.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 50, 150);

ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

ofNoFill();

ofDrawCircle(glm::vec2(), radius - 10);

ofDrawCircle(glm::vec2(), radius + 50);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190228

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2019年2月25日2019年2月25日

Noisy dot character. openFrameworks

[ Video ]

[ About ]
文字をドットで書いて、ドットのサイズを変化

Noisy dot character.

[ 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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> 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 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) {};

ofTrueTypeFont font;

vector<glm::vec2> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 650, true, true, true);
}
//--------------------------------------------------------------
void ofApp::update() {

	vector<string> words = { "A", "B", "C", "D", "E", "F" };
	if (ofGetFrameNum() % 60 == 0) {

		this->locations.clear();

		ofFbo fbo;
		fbo.allocate(ofGetWidth(), ofGetHeight());
		fbo.begin();
		ofClear(0);
		ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

		string word = words[(ofGetFrameNum() / 60) % words.size()];
		this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

		fbo.end();

		ofPixels pixels;
		fbo.readToPixels(pixels);

		int span = 20;
		for (int x = 0; x < fbo.getWidth(); x += span) {

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

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

					this->locations.push_back(glm::vec2(x, y));
				}
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	
	for (auto& location : this->locations) {

		ofDrawCircle(location, ofMap(ofNoise(location.x * 0.003, location.y * 0.003 + ofGetFrameNum() * 0.03), 0, 1, 0, 11));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 650, true, true, true);

}

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

void ofApp::update() {

vector<string> words = { "A", "B", "C", "D", "E", "F" };

if (ofGetFrameNum() % 60 == 0) {

this->locations.clear();

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

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

string word = words[(ofGetFrameNum() / 60) % words.size()];

this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5);

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

int span = 20;

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

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

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

this->locations.push_back(glm::vec2(x, y));

}

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

void ofApp::draw() {

for (auto& location : this->locations) {

ofDrawCircle(location, ofMap(ofNoise(location.x * 0.003, location.y * 0.003 + ofGetFrameNum() * 0.03), 0, 1, 0, 11));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190225

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2019年1月12日

Agents are moving on a changing character. openFrameworks

[ Video ]

[ About ]
変化する文字の領域だけを動くエージェント

Agents are moving on a changing character.

[ 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) {};

	int number_of_agent;
	int len_of_tail;
	vector<deque<glm::vec2>> logs;
	vector<glm::vec2> directions;
	vector<ofColor> colors;

	ofTrueTypeFont font;
	ofFbo fbo;
	ofPixels pixels;
};

#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) {};

int number_of_agent;

int len_of_tail;

vector<deque<glm::vec2>> logs;

vector<glm::vec2> directions;

vector<ofColor> colors;

ofTrueTypeFont font;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);

	this->number_of_agent = 100;
	this->len_of_tail = 10;

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);
	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	vector<string> characters = { "A", "B", "C", "D", "E", "F",
		"G", "H", "I", "J", "K", "L",
		"M", "N", "O", "P", "Q", "R",
		"S", "T", "U", "V", "W", "X",
		"Y", "Z" };

	this->fbo.begin();
	ofClear(0);
	ofSetColor(39);

	string draw_character = characters[(int)(ofGetFrameNum() * 0.01) % characters.size()];
	this->font.drawString(draw_character, ofGetWidth() * 0.5 - this->font.stringWidth(draw_character) * 0.5, ofGetHeight() * 0.5 + this->font.stringHeight(draw_character) * 0.5);

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

	while (this->logs.size() < this->number_of_agent) {

		int x = ofRandom(ofGetWidth());
		int y = ofRandom(ofGetHeight());
		if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

			deque<glm::vec2> log;
			log.push_front(glm::vec2(x, y));
			this->logs.push_back(log);
			this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));
			ofColor color;
			color.setHsb(ofRandom(255), 255, 200);
			this->colors.push_back(color);
		}
	}

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

		glm::vec2 future;
		if (this->pixels.getColor((int)this->logs[i].front().x, (int)this->logs[i].front().y) == ofColor(0, 0)) {
		
			future = this->logs[i].front();
		}
		else {

			future = this->logs[i].front() + this->directions[i] * 5;
			int x = future.x;
			int y = future.y;

			while (x < 0 || x > ofGetWidth() || y < 0 || y > ofGetHeight() || this->pixels.getColor(x, y) == ofColor(0, 0)) {

				this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

				future = this->logs[i].front() + this->directions[i] * 10;
				x = future.x;
				y = future.y;
			}
		}

		this->logs[i].push_front(future);
		while (this->logs[i].size() > this->len_of_tail) {

			this->logs[i].pop_back();
		}
	}
}

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

	this->fbo.draw(0, 0);

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

		for (int l = 0; l < this->logs[i].size() - 1; l++) {

			ofSetColor(this->colors[i], ofMap(l, 0, this->len_of_tail, 255, 64));
			ofDrawLine(this->logs[i][l], this->logs[i][l + 1]);
		}

		ofSetColor(this->colors[i]);
		ofDrawCircle(this->logs[i].front(), 3);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

this->number_of_agent = 100;

this->len_of_tail = 10;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);

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

}

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

void ofApp::update() {

vector<string> characters = { "A", "B", "C", "D", "E", "F",

"G", "H", "I", "J", "K", "L",

"M", "N", "O", "P", "Q", "R",

"S", "T", "U", "V", "W", "X",

"Y", "Z" };

this->fbo.begin();

ofClear(0);

ofSetColor(39);

string draw_character = characters[(int)(ofGetFrameNum() * 0.01) % characters.size()];

this->font.drawString(draw_character, ofGetWidth() * 0.5 - this->font.stringWidth(draw_character) * 0.5, ofGetHeight() * 0.5 + this->font.stringHeight(draw_character) * 0.5);

this->fbo.end();

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

while (this->logs.size() < this->number_of_agent) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

deque<glm::vec2> log;

log.push_front(glm::vec2(x, y));

this->logs.push_back(log);

this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));

ofColor color;

color.setHsb(ofRandom(255), 255, 200);

this->colors.push_back(color);

}

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

glm::vec2 future;

if (this->pixels.getColor((int)this->logs[i].front().x, (int)this->logs[i].front().y) == ofColor(0, 0)) {

future = this->logs[i].front();

}

else {

future = this->logs[i].front() + this->directions[i] * 5;

int x = future.x;

int y = future.y;

while (x < 0 || x > ofGetWidth() || y < 0 || y > ofGetHeight() || this->pixels.getColor(x, y) == ofColor(0, 0)) {

this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

future = this->logs[i].front() + this->directions[i] * 10;

x = future.x;

y = future.y;

}

this->logs[i].push_front(future);

while (this->logs[i].size() > this->len_of_tail) {

this->logs[i].pop_back();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

ofFill();

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

for (int l = 0; l < this->logs[i].size() - 1; l++) {

ofSetColor(this->colors[i], ofMap(l, 0, this->len_of_tail, 255, 64));

ofDrawLine(this->logs[i][l], this->logs[i][l + 1]);

}

ofSetColor(this->colors[i]);

ofDrawCircle(this->logs[i].front(), 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190112

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