character – ページ 21 – プログラミング de 落描き

2019年1月10日2019年1月10日

Agents are moving on a character. openFrameworks

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[ About ]
文字の上を移動するエージェント。ofFboに文字を描写、エージェントの座標情報でピクセルへアクセスして境界判定

Agents are moving on a character. I draw character to ofFbo. Pixels access, and boundary determination from coordinate of agent.

[ 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;

	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;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(0);

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

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-bold.ttf", 300, true, true, true);
	string word = "CO";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 - font.stringHeight(word) * 0.1);
	word = "DE";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) * 1.1);

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

	this->number_of_agent = 150;
	this->len_of_tail = 18;
	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, 230);
			this->colors.push_back(color);
		}
	}

	ofSetLineWidth(1.5);
}

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

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

		glm::vec2 future = this->logs[i].front() + this->directions[i] * 5;
		int x = future.x;
		int y = future.y;

		while (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() {

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

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

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

		ofSetColor(255);
		ofDrawCircle(this->logs[i].front(), 3);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(0);

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

this->fbo.begin();

ofClear(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-bold.ttf", 300, true, true, true);

string word = "CO";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 - font.stringHeight(word) * 0.1);

word = "DE";

font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font.stringHeight(word) * 1.1);

this->fbo.end();

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

this->number_of_agent = 150;

this->len_of_tail = 18;

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, 230);

this->colors.push_back(color);

}

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

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

glm::vec2 future = this->logs[i].front() + this->directions[i] * 5;

int x = future.x;

int y = future.y;

while (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() {

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

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

ofSetColor(255, ofMap(l, 0, this->len_of_tail, 255, 0));

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

}

ofSetColor(255);

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190110

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2018年11月10日2018年11月19日

Apple. openFrameworks

[ Video ]

[ About ]
Day 10 Apple

重力で落ちるリンゴ達。リンゴは絵文字🍎、物理エンジンはofxBox2dを使いました。

Apple falling with gravity. Apple is Emoji🍎, And physics engine is ofxBox2d.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.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;

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circles;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circles;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(239, 39, 39);

	ofTrueTypeFontSettings font_settings("fonts/EmojiSymbols-Regular.ttf", 32);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Emoji);
	this->font.load(font_settings);

	this->box2d.init();
	this->box2d.setGravity(0, 5);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();

}

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

	if (ofGetFrameNum() % 10 == 0) {

		float radius = 16;
		auto circle = make_shared<ofxBox2dCircle>();
		circle->setPhysics(1.0, 0.63, 0.1);
		circle->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - 50, ofGetWidth() * 0.5 + 50), 15, radius);
		this->circles.push_back(circle);
	}

	this->box2d.update();
}

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

	for (int i = 0; i < this->circles.size(); i++) {

		ofPushMatrix();
		ofTranslate(this->circles[i]->getPosition().x, this->circles[i]->getPosition().y);
		ofRotate(this->circles[i]->getRotation());

		this->font.drawString(u8"🍎", this->circles[i]->getRadius() * -1, this->circles[i]->getRadius());

		ofPopMatrix();
	}
}

//========================================================================
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(239, 39, 39);

ofTrueTypeFontSettings font_settings("fonts/EmojiSymbols-Regular.ttf", 32);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Emoji);

this->font.load(font_settings);

this->box2d.init();

this->box2d.setGravity(0, 5);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

if (ofGetFrameNum() % 10 == 0) {

float radius = 16;

auto circle = make_shared<ofxBox2dCircle>();

circle->setPhysics(1.0, 0.63, 0.1);

circle->setup(this->box2d.getWorld(), ofRandom(ofGetWidth() * 0.5 - 50, ofGetWidth() * 0.5 + 50), 15, radius);

this->circles.push_back(circle);

}

this->box2d.update();

}

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

void ofApp::draw() {

for (int i = 0; i < this->circles.size(); i++) {

ofPushMatrix();

ofTranslate(this->circles[i]->getPosition().x, this->circles[i]->getPosition().y);

ofRotate(this->circles[i]->getRotation());

this->font.drawString(u8"🍎", this->circles[i]->getRadius() * -1, this->circles[i]->getRadius());

ofPopMatrix();

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/insta20181110

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2018年11月2日2018年11月19日

Time. openFrameworks

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[ About ]
Day2 Time.

[ 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;
	int font_size;
};

#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;

int font_size;

};

#include "ofApp.h"

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

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

	ofNoFill();
	ofBackground(39);
	ofSetColor(239);
	ofSetLineWidth(3);

	this->font_size = 300;
	this->font.loadFont("fonts/Kazesawa-Regular.ttf", this->font_size, true, true, true);
}

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

}

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

	SYSTEMTIME sys_time;
	GetSystemTime(&sys_time);

	int second = sys_time.wSecond;
	int sample_count = 100;
	int step = ofMap(sys_time.wMilliseconds, 0, 1000, 0, sample_count * 2);
	bool close = false;
	
	std::ostringstream sout;
	sout << setfill('0') << setw(2) << second;
	string word = sout.str();
	char charactors[2];
	word.copy(charactors, 2);

	ofTranslate(this->font_size * 0.35, ofGetHeight() * 0.5 + this->font_size * 0.5);

	for (int charactor_index = 0; charactor_index < 2; charactor_index++) {

		ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);
		vector<ofPolyline> outline = path.getOutline();

		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();

			ofBeginShape();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				ofPoint point(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

				close = false;
				if(charactor_index == 0)
				{
					if (second % 10 != 0) {

						ofVertex(point);
						close = true;
					}
					else {

						if (step < sample_count) {

							if (vertices_index < step % sample_count) {

								ofVertex(point);
							}

							if (vertices_index == step % sample_count) {

								ofDrawCircle(point, 3);
							}
						}
						else {

							ofVertex(point);
							close = true;
						}
					}
				}
				else {

					if (step < sample_count) {

						if (vertices_index < step % sample_count) {

							ofVertex(point);
						}
					}
					else {

						if (vertices_index > step % sample_count) {

							ofVertex(point);
						}
					}

					if (vertices_index == step % sample_count) {

						ofDrawCircle(point, 3);
					}
				}
			}
			ofEndShape(close);
		}

		ofTranslate(this->font_size, 0);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofNoFill();

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(3);

this->font_size = 300;

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

SYSTEMTIME sys_time;

GetSystemTime(&sys_time);

int second = sys_time.wSecond;

int sample_count = 100;

int step = ofMap(sys_time.wMilliseconds, 0, 1000, 0, sample_count * 2);

bool close = false;

std::ostringstream sout;

sout << setfill('0') << setw(2) << second;

string word = sout.str();

char charactors[2];

word.copy(charactors, 2);

ofTranslate(this->font_size * 0.35, ofGetHeight() * 0.5 + this->font_size * 0.5);

for (int charactor_index = 0; charactor_index < 2; charactor_index++) {

ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);

vector<ofPolyline> outline = path.getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

ofBeginShape();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

ofPoint point(vertices[vertices_index].x, vertices[vertices_index].y, vertices[vertices_index].z);

close = false;

if(charactor_index == 0)

{

if (second % 10 != 0) {

ofVertex(point);

close = true;

}

else {

if (step < sample_count) {

if (vertices_index < step % sample_count) {

ofVertex(point);

}

if (vertices_index == step % sample_count) {

ofDrawCircle(point, 3);

}

else {

ofVertex(point);

close = true;

}

else {

if (step < sample_count) {

if (vertices_index < step % sample_count) {

ofVertex(point);

}

else {

if (vertices_index > step % sample_count) {

ofVertex(point);

}

if (vertices_index == step % sample_count) {

ofDrawCircle(point, 3);

}

ofEndShape(close);

}

ofTranslate(this->font_size, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181102

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