プログラミング de 落描き – ページ 779 – 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5月4日2018年5月4日

僕

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下記のツイートを参考に作成してみました！！

なめらかな多角形から始まるジェネラティブアート#1｜梶田悠 @kajitaj63b3｜note（ノート） https://t.co/3FzScBnAyT

— 梶田悠 haruka kajita (@kajitaj63b3) 2018年5月2日

[ 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(39);
	ofSetWindowTitle("Insta");

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

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	int shape_res = 3;
	int deg_span = 360 / shape_res;

	for (int radius = 150; radius < 350; radius += 1) {

		vector<ofPoint> points;
		for (int deg = 0; deg < 360; deg += deg_span) {

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			point *= ofMap(ofNoise(radius * 0.01 + deg * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.65, 1.0);

			points.push_back(point);
		}

		ofBeginShape();

		ofCurveVertex(points[points.size() - 1]);
		ofCurveVertices(points);
		ofCurveVertex(points[0]);
		ofCurveVertex(points[1]);

		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(39, 39, 239, 128);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

int shape_res = 3;

int deg_span = 360 / shape_res;

for (int radius = 150; radius < 350; radius += 1) {

vector<ofPoint> points;

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

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

point *= ofMap(ofNoise(radius * 0.01 + deg * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.65, 1.0);

points.push_back(point);

}

ofBeginShape();

ofCurveVertex(points[points.size() - 1]);

ofCurveVertices(points);

ofCurveVertex(points[0]);

ofCurveVertex(points[1]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2018年5月4日2018年5月3日

ハーフ・トーラス openFrameworks

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トーラス面の小円に対して、180度分だけ面を描写しています。それぞれの面は、大円の角度とフレーム数を加えた分だけ回転しているので、面の移動が伝播して見えるようになっています。

トーラス面は2色で構成されていますが1色を背景色と一緒にしてあるので、ちょっと不思議な感じが出ていると思います。青い玉は情報の補助として、常に見えるように大円を基準に公転しています。

[ 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) {};

	ofEasyCam cam;
	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
};

#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) {};

ofEasyCam cam;

ofPoint make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

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

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

	ofEnableDepthTest();
}


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

}

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

	this->cam.begin();

	float radius = 300;
	int small_radius = 80;
	int deg_span = 10;
	int small_deg_span = 10;

	ofSetColor(39, 39, 139);
	int sphere_deg = -ofGetFrameNum() - 180;
	ofPoint sphere_point = ofPoint(radius * cos(sphere_deg * DEG_TO_RAD), radius * sin(sphere_deg * DEG_TO_RAD));
	ofDrawSphere(sphere_point, 15);

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

		ofColor color = deg % (deg_span * 2) == 0 ? ofColor(239, 39, 39) : ofColor(239);
		ofSetColor(color);

		int start_small_deg = ofGetFrameNum() + deg;
		for (int small_deg = start_small_deg; small_deg < start_small_deg + 180; small_deg += small_deg_span) {

			ofBeginShape();

			ofVertex(this->make_point(radius, small_radius, deg, small_deg));
			ofVertex(this->make_point(radius, small_radius, deg + deg_span, small_deg));
			ofVertex(this->make_point(radius, small_radius, deg + deg_span, small_deg + small_deg_span));
			ofVertex(this->make_point(radius, small_radius, deg, small_deg + small_deg_span));
			
			ofEndShape(true);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

float radius = 300;

int small_radius = 80;

int deg_span = 10;

int small_deg_span = 10;

ofSetColor(39, 39, 139);

int sphere_deg = -ofGetFrameNum() - 180;

ofPoint sphere_point = ofPoint(radius * cos(sphere_deg * DEG_TO_RAD), radius * sin(sphere_deg * DEG_TO_RAD));

ofDrawSphere(sphere_point, 15);

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

ofColor color = deg % (deg_span * 2) == 0 ? ofColor(239, 39, 39) : ofColor(239);

ofSetColor(color);

int start_small_deg = ofGetFrameNum() + deg;

for (int small_deg = start_small_deg; small_deg < start_small_deg + 180; small_deg += small_deg_span) {

ofBeginShape();

ofVertex(this->make_point(radius, small_radius, deg, small_deg));

ofVertex(this->make_point(radius, small_radius, deg + deg_span, small_deg));

ofVertex(this->make_point(radius, small_radius, deg + deg_span, small_deg + small_deg_span));

ofVertex(this->make_point(radius, small_radius, deg, small_deg + small_deg_span));

ofEndShape(true);

}

this->cam.end();

}

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

ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180503

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2018年5月3日2018年5月2日

パタパタサークル openFrameworks

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[ About ]
一つの円を15度区切りで中心を軸に、X、Yに対してRotateしています。結構、忙しなくパラパラしているんですが、最後の揃う部分だけすぅーと揃うところが良いですね。

[ 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) {};

	ofEasyCam cam;
};

#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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofSetColor(39);
}

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

}

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

	this->cam.begin();

	int radius = 300;
	int deg_span = 15;
	for (int deg = 0; deg < 360; deg += deg_span) {

		ofRotateX(ofGetFrameNum() * 0.25);
		ofRotateY(ofGetFrameNum() * 0.25);

		vector<ofPoint> vertices;
		vertices.push_back(ofPoint(0, 0));
		vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		vertices.push_back(ofPoint(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));

		deg % (deg_span * 2) == 0 ? ofSetColor(239, 39, 39) : ofSetColor(239);
		ofFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);		

		ofSetColor(39);
		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}

	this->cam.end();
}

//--------------------------------------------------------------
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() {

this->cam.begin();

int radius = 300;

int deg_span = 15;

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

ofRotateX(ofGetFrameNum() * 0.25);

ofRotateY(ofGetFrameNum() * 0.25);

vector<ofPoint> vertices;

vertices.push_back(ofPoint(0, 0));

vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

vertices.push_back(ofPoint(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD)));

deg % (deg_span * 2) == 0 ? ofSetColor(239, 39, 39) : ofSetColor(239);

ofFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180502

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