プログラミング de 落描き – ページ 824 – クリエイティブ・コーディングによる生成物とソース

2018年11月1日2018年11月19日

Infinity. openFrameworks

[ Video ]

[ About ]
無限.

Infinity.

[ 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);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

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

	int radius_min = 100;
	int radius_max = 185;

	for (int line = 0; line < 50; line++) {

		int radius = ofRandom(radius_min, radius_max);
		int start_deg = ofGetFrameNum() * 5 + ofRandom(300);
		int len = ofRandom(60, 360);

		ofPoint point, prev_point, base_point;
		for (int deg = start_deg; deg < start_deg + len; deg += 1) {

			int position_deg = deg % 720;
			if (position_deg < 360) {
			
				point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + ofPoint((radius_min + radius_max) * -0.5, 0);
			}
			else {

				int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);
				point = ofPoint(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + ofPoint((radius_min + radius_max) * 0.5, 0);
			}

			if (deg != start_deg) {

				ofSetColor(39, ofMap(deg, start_deg, start_deg + len, 0, 255));
				ofDrawLine(prev_point, point);
			}
			prev_point = point;
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

int radius_min = 100;

int radius_max = 185;

for (int line = 0; line < 50; line++) {

int radius = ofRandom(radius_min, radius_max);

int start_deg = ofGetFrameNum() * 5 + ofRandom(300);

int len = ofRandom(60, 360);

ofPoint point, prev_point, base_point;

for (int deg = start_deg; deg < start_deg + len; deg += 1) {

int position_deg = deg % 720;

if (position_deg < 360) {

point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + ofPoint((radius_min + radius_max) * -0.5, 0);

}

else {

int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);

point = ofPoint(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + ofPoint((radius_min + radius_max) * 0.5, 0);

}

if (deg != start_deg) {

ofSetColor(39, ofMap(deg, start_deg, start_deg + len, 0, 255));

ofDrawLine(prev_point, point);

}

prev_point = point;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181101

2018年10月31日2018年10月31日

Halloween 2018. openFrameworks

[ Video ]

[ About ]
トリック・オア・トリート🎃🍭👻！

Trick or Treat🎃🍭👻.

[ 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;
	vector<ofPoint> locations;
	vector<ofColor> colors;
};

#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;

vector<ofPoint> locations;

vector<ofColor> colors;

};

#include "ofApp.h"

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

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

	ofBackground(39);

	int font_size = 170;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", font_size, true, true, true);

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

	string word = "TRICK";
	font.drawString(word, 0, font_size + 50);

	word = "OR";
	font.drawString(word, ofGetWidth() * 0.5 - font.stringWidth(word) * 0.5, ofGetHeight() * 0.5 + font_size * 0.5);

	word = "TREAT";
	font.drawString(word, ofGetWidth() - font.stringWidth(word), ofGetHeight() - 55);

	fbo.end();

	ofPixels pixels;
	fbo.readToPixels(pixels);

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

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

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

				this->locations.push_back(ofPoint(x, y));

				ofColor color;
				color.setHsb(ofRandom(255), 255, 255);
				
				this->colors.push_back(color);
			}
		}
	}

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

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

}

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

	vector<string> words = {
		u8"🎃", u8"🍭", u8"👻",
	};

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

		ofPoint point = this->locations[i];
		int words_index = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * words.size();
		std::string moji = words[words_index];

		if (words_index == 0) {

			ofSetColor(229, 163, 35);
		}
		else if(words_index == 1) {

			ofSetColor(this->colors[i]);
		}
		else {

			ofSetColor(239);
		}

		this->font.drawString(moji, point.x, point.y);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

int font_size = 170;

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

ofFbo fbo;

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

fbo.begin();

ofClear(0);

string word = "TRICK";

font.drawString(word, 0, font_size + 50);

word = "OR";

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

word = "TREAT";

font.drawString(word, ofGetWidth() - font.stringWidth(word), ofGetHeight() - 55);

fbo.end();

ofPixels pixels;

fbo.readToPixels(pixels);

font_size = 20;

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

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

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

this->locations.push_back(ofPoint(x, y));

ofColor color;

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

this->colors.push_back(color);

}

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

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Emoji);

this->font.load(font_settings);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

vector<string> words = {

u8"🎃", u8"🍭", u8"👻",

};

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

ofPoint point = this->locations[i];

int words_index = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * words.size();

std::string moji = words[words_index];

if (words_index == 0) {

ofSetColor(229, 163, 35);

}

else if(words_index == 1) {

ofSetColor(this->colors[i]);

}

else {

ofSetColor(239);

}

this->font.drawString(moji, point.x, point.y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181031

2018年10月30日2018年10月30日

An irregular sphere. openFrameworks

[ Video ]

[ About ]
いびつな球体

An irregular sphere.

[ 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) {};

	ofEasyCam cam;

	vector<ofPoint> locations;
	vector<vector<ofPoint>> next_points;
};

#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) {};

ofEasyCam cam;

vector<ofPoint> locations;

vector<vector<ofPoint>> next_points;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(250, 2);
	vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();
	for (int i = 0; i < triangles.size(); i++) {

		ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		this->locations.push_back(average);
	}

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

		vector<ofPoint> next_point = vector<ofPoint>();
		for (int j = 0; j < this->locations.size(); j++) {

			if (i == j || next_point.size() >= 3) { continue; }

			float distance = this->locations[i].distance(this->locations[j]);
			if (distance < 45) {

				next_point.push_back(this->locations[j]);
			}
		}

		this->next_points.push_back(next_point);
	}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int x = -750; x <= 750; x += 750) {

		for (int y = -750; y <= 750; y += 750) {

			ofPushMatrix();
			ofTranslate(x, y);
			ofRotateY(ofGetFrameNum() * 0.5);

			float random_seed = ofRandom(100);
			for (int location_index = 0; location_index < this->locations.size(); location_index++) {

				ofPoint location = this->locations[location_index];
				float location_noise = ofNoise(random_seed, location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.005);
				if (location_noise > 0.6) {

					location = location.normalized() * 350;
				}

				for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

					ofPoint next_point = this->next_points[location_index][next_index];
					float next_noise = ofNoise(random_seed, next_point.x * 0.005, next_point.y * 0.005, ofGetFrameNum() * 0.005);
					if (next_noise > 0.6) {

						next_point = next_point.normalized() * 350;
					}

					ofDrawLine(location, next_point);
				}
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(250, 2);

vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

for (int i = 0; i < triangles.size(); i++) {

ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

this->locations.push_back(average);

}

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

vector<ofPoint> next_point = vector<ofPoint>();

for (int j = 0; j < this->locations.size(); j++) {

if (i == j || next_point.size() >= 3) { continue; }

float distance = this->locations[i].distance(this->locations[j]);

if (distance < 45) {

next_point.push_back(this->locations[j]);

}

this->next_points.push_back(next_point);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int x = -750; x <= 750; x += 750) {

for (int y = -750; y <= 750; y += 750) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateY(ofGetFrameNum() * 0.5);

float random_seed = ofRandom(100);

for (int location_index = 0; location_index < this->locations.size(); location_index++) {

ofPoint location = this->locations[location_index];

float location_noise = ofNoise(random_seed, location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.005);

if (location_noise > 0.6) {

location = location.normalized() * 350;

}

for (int next_index = 0; next_index < this->next_points[location_index].size(); next_index++) {

ofPoint next_point = this->next_points[location_index][next_index];

float next_noise = ofNoise(random_seed, next_point.x * 0.005, next_point.y * 0.005, ofGetFrameNum() * 0.005);

if (next_noise > 0.6) {

next_point = next_point.normalized() * 350;

}

ofDrawLine(location, next_point);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181030

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