プログラミング de 落描き – ページ 795 – 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6月28日2018年6月28日

円とノイズ遊び openFrameworks

[ Video ]

[ About ]
角度ごとに、二つの半径の円座標を結ぶ線を、Noiseで歪めました

[ 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);
	ofSetWindowTitle("Insta");

	ofBackground(39);
	ofSetColor(239, 128);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}	

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	
	int start_radius = 100;
	int max_radius = 320;

	for (int deg = 0; deg < 360; deg += 2) {

		int half_radius = (max_radius - start_radius) * 0.5 + start_radius;
		ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

		ofBeginShape();
		for (int radius = start_radius; radius <= max_radius; radius += 1) {

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
			float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);
			float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);
			noise_deg *= deg_param; 

			point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));
			ofVertex(point);
		}
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetColor(239, 128);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int start_radius = 100;

int max_radius = 320;

for (int deg = 0; deg < 360; deg += 2) {

int half_radius = (max_radius - start_radius) * 0.5 + start_radius;

ofPoint half_point = ofPoint(half_radius * cos(deg * DEG_TO_RAD), half_radius * sin(deg * DEG_TO_RAD));

ofBeginShape();

for (int radius = start_radius; radius <= max_radius; radius += 1) {

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

float noise_deg = ofMap(ofNoise(point.x * 0.008, point.y * 0.008 + ofGetFrameNum() * 0.008), 0, 1, -25, 25);

float deg_param = ofMap(half_point.distance(point), 0, (max_radius - start_radius) * 0.5, 1, 0);

noise_deg *= deg_param;

point = ofPoint(ofPoint(radius * cos((deg + noise_deg) * DEG_TO_RAD), radius * sin((deg + noise_deg) * DEG_TO_RAD)));

ofVertex(point);

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180628

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2018年6月27日2018年6月27日

絵文字(ofTrueTypeFont)と物理演算(Box2d) openFrameworks

[ Video ]

[ About ]
絵文字って丸いよね…と思いついて、物理演算(ofxBox2d)とコラボさせてみました😁

[ 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;
	vector<ofColor> circles_color;
	vector<string> words;
	ofxBox2dEdge eage_1, eage_2;
};

#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;

vector<ofColor> circles_color;

vector<string> words;

ofxBox2dEdge eage_1, eage_2;

};

#include "ofApp.h"

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

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

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

	this->eage_1 = ofxBox2dEdge();
	this->eage_1.addVertex(ofGetWidth() / 2 - 150, ofGetHeight() / 2 + 100);
	this->eage_1.addVertex(ofGetWidth() / 2, ofGetHeight() / 2);
	this->eage_1.create(this->box2d.getWorld());

	this->eage_2 = ofxBox2dEdge();
	this->eage_2.addVertex(ofGetWidth() / 2 + 150, ofGetHeight() / 2 + 100);
	this->eage_2.addVertex(ofGetWidth() / 2, ofGetHeight() / 2);
	this->eage_2.create(this->box2d.getWorld());
}

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

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

		float radius = 15;
		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);

		ofColor circle_color;
		circle_color.setHsb(ofRandom(255), 255, 239);
		this->circles_color.push_back(circle_color);

		vector<string> emojis = { u8"😁", u8"😍", u8"😂", u8"😱", u8"😎" };
		this->words.push_back(emojis[(int)ofRandom(emojis.size())]);
	}

	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());

		ofSetColor(this->circles_color[i]);
		this->font.drawString(this->words[i], -15, 15);

		ofPopMatrix();
	}

	ofSetColor(39);
	this->eage_1.draw();
	this->eage_2.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

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

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();

this->eage_1 = ofxBox2dEdge();

this->eage_1.addVertex(ofGetWidth() / 2 - 150, ofGetHeight() / 2 + 100);

this->eage_1.addVertex(ofGetWidth() / 2, ofGetHeight() / 2);

this->eage_1.create(this->box2d.getWorld());

this->eage_2 = ofxBox2dEdge();

this->eage_2.addVertex(ofGetWidth() / 2 + 150, ofGetHeight() / 2 + 100);

this->eage_2.addVertex(ofGetWidth() / 2, ofGetHeight() / 2);

this->eage_2.create(this->box2d.getWorld());

}

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

void ofApp::update() {

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

float radius = 15;

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);

ofColor circle_color;

circle_color.setHsb(ofRandom(255), 255, 239);

this->circles_color.push_back(circle_color);

vector<string> emojis = { u8"😁", u8"😍", u8"😂", u8"😱", u8"😎" };

this->words.push_back(emojis[(int)ofRandom(emojis.size())]);

}

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());

ofSetColor(this->circles_color[i]);

this->font.drawString(this->words[i], -15, 15);

ofPopMatrix();

}

ofSetColor(39);

this->eage_1.draw();

this->eage_2.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180627

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2018年6月26日2018年6月26日

四角と円を合成

[ Video ]

[ About ]
四角と円の座標の合成キメラ

[ 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) {}

	ofPoint make_rect_point(float half_len, int deg, int z = 0);
};

#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) {}

ofPoint make_rect_point(float half_len, int deg, int z = 0);

};

#include "ofApp.h"

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

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

	ofSetColor(39);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	int radius = 100;
	for (int x = 0; x < 3; x++) {

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

			ofPushMatrix();
			ofTranslate(x * 240 + 120, y * 240 + 120);

			float random_value = ofRandom(100);

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

				ofPoint point = make_rect_point(radius, deg);

				float noise_value = ofNoise(random_value, point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.005);

				if (noise_value > 0.5) {

					point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				}

				ofVertex(point);
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
ofPoint ofApp::make_rect_point(float len, int deg, int z) {

	int half_len = len * 0.5;
	int param = (deg + 45) / 90;

	ofPoint point;

	switch (param % 4) {

	case 0:

		return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);
	case 1:

		return  ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);
	case 2:

		return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);
	case 3:

		return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);
	default:

		return ofPoint(0, 0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int radius = 100;

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

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

ofPushMatrix();

ofTranslate(x * 240 + 120, y * 240 + 120);

float random_value = ofRandom(100);

ofBeginShape();

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

ofPoint point = make_rect_point(radius, deg);

float noise_value = ofNoise(random_value, point.x * 0.005, point.y * 0.005, ofGetFrameNum() * 0.005);

if (noise_value > 0.5) {

point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

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

ofPoint ofApp::make_rect_point(float len, int deg, int z) {

int half_len = len * 0.5;

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), z);

case 1:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len, z);

case 2:

return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), z);

case 3:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len, z);

default:

return ofPoint(0, 0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180626

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