circle – ページ 107 – プログラミング de 落描き

2019年1月19日2019年1月20日

Circle plus noisy circles. openFrameworks

[ Video ]

[ About ]
円にノイズの円をミルフィーユ

Circle plus noisy circles.

[ 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);
	ofSetColor(39);
	ofNoFill();
}

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

}

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

	float radius = 35;
	float span = 120;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

		for (int y = span * 0.5; y < ofGetHeight(); y += span) {

			for (int i = 0; i < 5; i++) {

				ofBeginShape();
				for (int deg = 0; deg < 360; deg += 1) {

					glm::vec2 base = glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					float noise_value = ofNoise(base.x * 0.03, base.y * 0.03, ofGetFrameNum() * 0.01);
					float tmp_radius = radius + ofMap(noise_value, 0, 1, 0, 30) * i * 0.2;
				
					ofVertex(glm::vec2(x, y) + glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
				}
				ofEndShape(true);
			}
		}
	}
}
//--------------------------------------------------------------
int main() {

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

float radius = 35;

float span = 120;

for (int x = span * 0.5; x < ofGetWidth(); x += span) {

for (int y = span * 0.5; y < ofGetHeight(); y += span) {

for (int i = 0; i < 5; i++) {

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

glm::vec2 base = glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

float noise_value = ofNoise(base.x * 0.03, base.y * 0.03, ofGetFrameNum() * 0.01);

float tmp_radius = radius + ofMap(noise_value, 0, 1, 0, 30) * i * 0.2;

ofVertex(glm::vec2(x, y) + glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190119

2019年1月17日2019年1月17日

Circles size is distance to the neighbor. Processing

[ Video ]

[ About ]
ノイズで円の位置を動かしながら、半径を一番近い他の円との距離にしています。

Circles size is distance to the neighbor.

[ Source ]

void setup(){
 
  size(720, 720);
  frameRate(30);
  colorMode(HSB);
  strokeWeight(3);
}

void draw(){
  
  background(239);
  randomSeed(39);
  
  translate(width / 2, height / 2);
  
  ArrayList<PVector> locations = new ArrayList<PVector>();
  for(int i = 0; i < 50; i++)
  {
    float x = map(noise(random(1000), frameCount * 0.0065), 0, 1, -500, 500);
    float y = map(noise(random(1000), frameCount * 0.0065), 0, 1, -500, 500);
    
    locations.add(new PVector(x, y));    
  }
  
  for(int i = 0; i < locations.size(); i++)
  {
    PVector location = locations.get(i);
    float min = width * height;  
    for(int j = 0; j < locations.size(); j++)
    {
      if(i == j) continue;
      
      PVector other = locations.get(j);
      float distance = PVector.dist(location, other);
      if(distance < min)
      {
        min = distance;
      }
    }
    
    fill(random(255), 200, 255);
    ellipse(location.x, location.y, min, min);
  }
}

void setup(){

size(720, 720);

frameRate(30);

colorMode(HSB);

strokeWeight(3);

}

void draw(){

background(239);

randomSeed(39);

translate(width / 2, height / 2);

ArrayList<PVector> locations = new ArrayList<PVector>();

for(int i = 0; i < 50; i++)

{

float x = map(noise(random(1000), frameCount * 0.0065), 0, 1, -500, 500);

float y = map(noise(random(1000), frameCount * 0.0065), 0, 1, -500, 500);

locations.add(new PVector(x, y));

}

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

{

PVector location = locations.get(i);

float min = width * height;

for(int j = 0; j < locations.size(); j++)

{

if(i == j) continue;

PVector other = locations.get(j);

float distance = PVector.dist(location, other);

if(distance < min)

{

min = distance;

}

fill(random(255), 200, 255);

ellipse(location.x, location.y, min, min);

}

[ Link ]
https://github.com/junkiyoshi/Insta20190117

2018年12月30日

Noisy Ring. openFrameworks

[ Video ]

[ About ]
円周を分割、ノイズ関数でFill/NoFillをスイッチ

Split circumference, switch Fill / NoFill with Perlin Noise.

[ 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);
	ofSetColor(39);
	ofSetLineWidth(1.5);
}

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

}

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

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

	int deg_span = 15;
	int radius_span = 15;
	for (int radius = 150; radius <= 330; radius += radius_span) {

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

			glm::vec2 noise_point = glm::vec2(
				radius_span * cos((deg + deg_span * 0.5) * DEG_TO_RAD),
				radius_span * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

			vector<glm::vec2> vertices;
			for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

				vertices.push_back(glm::vec2(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--) {

				vertices.push_back(glm::vec2((radius - radius_span) * cos(tmp_deg * DEG_TO_RAD), (radius - radius_span) * sin(tmp_deg * DEG_TO_RAD)));
			}

			float noise_value = ofNoise(radius + noise_point.x * 0.01 + ofGetFrameNum() * 0.01, radius + noise_point.y * 0.01 + ofGetFrameNum() * 0.01);

			noise_value < 0.5 ? ofFill() : ofNoFill();

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape();
		}
	}
}

//--------------------------------------------------------------
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(1.5);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int deg_span = 15;

int radius_span = 15;

for (int radius = 150; radius <= 330; radius += radius_span) {

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

glm::vec2 noise_point = glm::vec2(

radius_span * cos((deg + deg_span * 0.5) * DEG_TO_RAD),

radius_span * sin((deg + deg_span * 0.5) * DEG_TO_RAD));

vector<glm::vec2> vertices;

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

vertices.push_back(glm::vec2(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--) {

vertices.push_back(glm::vec2((radius - radius_span) * cos(tmp_deg * DEG_TO_RAD), (radius - radius_span) * sin(tmp_deg * DEG_TO_RAD)));

}

float noise_value = ofNoise(radius + noise_point.x * 0.01 + ofGetFrameNum() * 0.01, radius + noise_point.y * 0.01 + ofGetFrameNum() * 0.01);

noise_value < 0.5 ? ofFill() : ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181230

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