2018年6月 – ページ 6 – プログラミング de 落描き

2018年6月15日2018年6月15日

アルコール’s openFramewoks

[ Video ]

[ About ]
今日は会社の飲み会なので絵文字(Emoji)を使ってお酒を並べてみました。ofTrueTypeFontのdrawStringだと色合成されなかったのでofFboを3枚重ねました。

[ Source ]

#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) {};

	vector<ofFbo> fbos;
	ofTrueTypeFont font;
};

#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) {};

vector<ofFbo> fbos;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofTrueTypeFontSettings font_settings("fonts/EmojiSymbols-Regular.ttf", 30);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Emoji);
	this->font.load(font_settings);

	for (int i = 0; i < 3; i++) {

		ofFbo fbo;
		fbo.allocate(ofGetWidth(), ofGetHeight());
		this->fbos.push_back(fbo);
	}
}

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

	vector<string> emojis = { u8"🍶" , u8"🍷" , u8"🍸" , u8"🍹" , u8"🍺", u8"🍻" };
	vector<ofColor> colors{ ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

	for (int i = 0; i < 3; i++) {

		ofSeedRandom(39);

		this->fbos[i].begin();
		ofClear(0);

		ofSetColor(colors[i]);

		for (int x = 50; x < ofGetWidth(); x += 100) {

			for (int y = 75; y < ofGetHeight(); y += 100) {

				int emoji_index = ofRandom(emojis.size());
				ofPoint point(x + ofMap(ofNoise(i + ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, -30, 30), y + ofMap(ofNoise(i + ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, -30, 30));

				this->font.drawString(emojis[emoji_index], point.x, point.y);
			}
		}

		this->fbos[i].end();
	}
}

//--------------------------------------------------------------
void ofApp::draw() {
	
	for (int i = 0; i < 3; i++) {

		this->fbos[i].draw(0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofTrueTypeFontSettings font_settings("fonts/EmojiSymbols-Regular.ttf", 30);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Emoji);

this->font.load(font_settings);

for (int i = 0; i < 3; i++) {

ofFbo fbo;

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

this->fbos.push_back(fbo);

}

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

void ofApp::update() {

vector<string> emojis = { u8"🍶" , u8"🍷" , u8"🍸" , u8"🍹" , u8"🍺", u8"🍻" };

vector<ofColor> colors{ ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

for (int i = 0; i < 3; i++) {

ofSeedRandom(39);

this->fbos[i].begin();

ofClear(0);

ofSetColor(colors[i]);

for (int x = 50; x < ofGetWidth(); x += 100) {

for (int y = 75; y < ofGetHeight(); y += 100) {

int emoji_index = ofRandom(emojis.size());

ofPoint point(x + ofMap(ofNoise(i + ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, -30, 30), y + ofMap(ofNoise(i + ofRandom(100) + ofGetFrameNum() * 0.005), 0, 1, -30, 30));

this->font.drawString(emojis[emoji_index], point.x, point.y);

}

this->fbos[i].end();

}

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

void ofApp::draw() {

for (int i = 0; i < 3; i++) {

this->fbos[i].draw(0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180615

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2018年6月14日2018年6月14日

2色の円弧 openFrameworks

[ Video ]

[ About ]
90度の円弧を2色1対にして描写しました

[ 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(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetLineWidth(3);
}

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

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

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

	ofColor colors[] = { ofColor(200, 39, 39), ofColor(39, 39, 200) };
	for (int radius = 50; radius < 350; radius += 15) {

		int deg_start = ofNoise(ofGetFrameNum() * 0.01 + radius * 0.005) * 720;
		for (int i = 0; i < 2; i++) {

			ofSetColor(colors[i]);

			ofBeginShape();
			for (int deg = deg_start + i * 180; deg < deg_start + i * 180 + 90; deg += 1) {

				ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

ofColor colors[] = { ofColor(200, 39, 39), ofColor(39, 39, 200) };

for (int radius = 50; radius < 350; radius += 15) {

int deg_start = ofNoise(ofGetFrameNum() * 0.01 + radius * 0.005) * 720;

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

ofSetColor(colors[i]);

ofBeginShape();

for (int deg = deg_start + i * 180; deg < deg_start + i * 180 + 90; deg += 1) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180614

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2018年6月13日2018年6月13日

円とノイズ openFrameworks

[ Video ]

[ About ]
円を一定角度ごとの区間で切り分けて(ダーツの的状)、Noise関数の結果で描写する・しないを決定しました。

Noise関数の引数として、半径の値とフレーム数の合計値を使う事で、このように結果が伝播していく動きが作れます。

[ 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(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(39);
}

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

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

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

	ofDrawCircle(ofPoint(), 51);

	int radius_span = 20;
	int deg_span = 5;
	for (int radius = 50; radius < 500; radius += radius_span) {

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

			float noise_value = ofNoise(radius * 0.0005 - ofGetFrameNum() * 0.005, deg * 0.05);
			if (noise_value > 0.6) {

				ofBeginShape();
				for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg += 1) {

					ofVertex(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));
				}

				for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg -= 1) {

					ofVertex((radius + radius_span) * cos(tmp_deg * DEG_TO_RAD), (radius + radius_span) * sin(tmp_deg * DEG_TO_RAD));
				}
				ofEndShape(true);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

ofDrawCircle(ofPoint(), 51);

int radius_span = 20;

int deg_span = 5;

for (int radius = 50; radius < 500; radius += radius_span) {

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

float noise_value = ofNoise(radius * 0.0005 - ofGetFrameNum() * 0.005, deg * 0.05);

if (noise_value > 0.6) {

ofBeginShape();

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg += 1) {

ofVertex(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

}

for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg -= 1) {

ofVertex((radius + radius_span) * cos(tmp_deg * DEG_TO_RAD), (radius + radius_span) * sin(tmp_deg * DEG_TO_RAD));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180613

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Amazon

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