プログラミング de 落描き – ページ 687 – クリエイティブ・コーディングによる生成物とソース

2019年1月23日2019年1月23日

Variable circles. openFrameworks

[ Video ]

[ About ]
角度ごとに太さが変化する円

Circle thickness changes with each angle.

[ 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);
}

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

}

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

	int radius_base = 45;
	int radius_span = 4;
	int deg_span = 24;
	int span = 144;
	for (int x = span * 0.5; x < ofGetWidth(); x += span) {

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

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

				glm::vec2 noise_point = glm::vec2(
					x + radius_span * cos((deg + deg_span * 0.5) * DEG_TO_RAD),
					y + radius_span * sin((deg + deg_span * 0.5) * DEG_TO_RAD));
				int noise_value = ofMap(ofNoise(noise_point.x * 0.01 + ofGetFrameNum() * 0.015, noise_point.y * 0.01 + ofGetFrameNum() * 0.015), 0, 1, -5, 5);

				int radius_start = noise_value > 0 ? radius_base : radius_base + noise_value * radius_span;
				int radius_end = noise_value > 0 ? radius_base + noise_value * radius_span : radius_base;

				for (int radius = radius_start; radius <= radius_end; radius += radius_span) {

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

						vertices.push_back(glm::vec2(x + (radius + radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius + radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));
					}
					for (int tmp_deg = deg + deg_span; tmp_deg >= deg; tmp_deg--) {

						vertices.push_back(glm::vec2(x + (radius - radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius - radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));
					}

					ofBeginShape();
					ofVertices(vertices);
					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);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int radius_base = 45;

int radius_span = 4;

int deg_span = 24;

int span = 144;

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

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

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

glm::vec2 noise_point = glm::vec2(

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

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

int noise_value = ofMap(ofNoise(noise_point.x * 0.01 + ofGetFrameNum() * 0.015, noise_point.y * 0.01 + ofGetFrameNum() * 0.015), 0, 1, -5, 5);

int radius_start = noise_value > 0 ? radius_base : radius_base + noise_value * radius_span;

int radius_end = noise_value > 0 ? radius_base + noise_value * radius_span : radius_base;

for (int radius = radius_start; radius <= radius_end; radius += radius_span) {

vector<glm::vec2> vertices;

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

vertices.push_back(glm::vec2(x + (radius + radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius + radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));

}

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

vertices.push_back(glm::vec2(x + (radius - radius_span * 0.5) * cos(tmp_deg * DEG_TO_RAD), y + (radius - radius_span * 0.5) * sin(tmp_deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190123

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Amazon

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2019年1月22日2019年1月22日

Color particles and pixel shift particles. Processing

[ Video ]

[ About ]
色の軌跡を残すパーティクルと、画面のピクセルの色情報を移動させるパーティクル

Color particles and pixel shift particles.

[ Source ]

void setup()
{
  size(512, 512);
  frameRate(30);
  background(239);
  colorMode(HSB);
}

void draw()
{
  randomSeed(39);
  
  fill(239, 8);
  noStroke();
  rect(0, 0, width, height);
  
  PVector location;
  for(int i = 0; i < 16; i++)
  {     
    location = new PVector(map(noise(random(100), frameCount * 0.01), 0, 1, -100, width + 100), map(noise(random(100), frameCount * 0.01), 0, 1, -100, height + 100));
    if(location.x < 0) { location.x = 0; }
    if(location.x >= width) { location.x = width - 1; }
    if(location.y < 0) { location.y = 0; }
    if(location.y >= height) { location.y = height - 1; }
    
    fill(i * 16, 255, 230);
    ellipse(location.x, location.y, 25, 25);
  }
  
  loadPixels();
  
  for(int i = 0; i < 1500; i++)
  { 
    location = new PVector(map(noise(random(100), frameCount * 0.001), 0, 1, -200, width + 200), map(noise(random(100), frameCount * 0.001), 0, 1, -200, height + 200));
    if(location.x < 0) { location.x = 0; }
    if(location.x >= width) { location.x = width - 1; }
    if(location.y < 0) { location.y = 0; }
    if(location.y >= height) { location.y = height - 1; }
    color c = pixels[int(location.x) + width * int(location.y)];
    
    fill(c);
    ellipse(location.x, location.y, 8, 8);
  }
}

void setup()

{

size(512, 512);

frameRate(30);

background(239);

colorMode(HSB);

}

void draw()

{

randomSeed(39);

fill(239, 8);

noStroke();

rect(0, 0, width, height);

PVector location;

for(int i = 0; i < 16; i++)

{

location = new PVector(map(noise(random(100), frameCount * 0.01), 0, 1, -100, width + 100), map(noise(random(100), frameCount * 0.01), 0, 1, -100, height + 100));

if(location.x < 0) { location.x = 0; }

if(location.x >= width) { location.x = width - 1; }

if(location.y < 0) { location.y = 0; }

if(location.y >= height) { location.y = height - 1; }

fill(i * 16, 255, 230);

ellipse(location.x, location.y, 25, 25);

}

loadPixels();

for(int i = 0; i < 1500; i++)

{

location = new PVector(map(noise(random(100), frameCount * 0.001), 0, 1, -200, width + 200), map(noise(random(100), frameCount * 0.001), 0, 1, -200, height + 200));

if(location.x < 0) { location.x = 0; }

if(location.x >= width) { location.x = width - 1; }

if(location.y < 0) { location.y = 0; }

if(location.y >= height) { location.y = height - 1; }

color c = pixels[int(location.x) + width * int(location.y)];

fill(c);

ellipse(location.x, location.y, 8, 8);

}

[ Link ]
https://github.com/junkiyoshi/Insta20190122

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Amazon

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2019年1月21日2019年1月21日

Circle on circumference. openFrameworks

[ Video ]

[ About ]
円周上の円

Circle on circumference.

[ 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();
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	int coordinate_span = 144;
	int radius = 40;
	float span = (2 * PI * radius) / 360;
	for (int x = coordinate_span * 0.5; x < ofGetWidth(); x += coordinate_span) {

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

			int small_circle_deg_size = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.008), 0, 1, 10, 120);
			int small_radius = span * small_circle_deg_size * 0.35;
			int small_deg = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.003), 0, 1, 0, 720);
			int deg_start = small_deg + small_circle_deg_size * 0.5;
			int deg_end = deg_start + 360 - small_circle_deg_size;
			vector<glm::vec2> vertices;
			for (int deg = deg_start; deg <= deg_end; deg++) {

				vertices.push_back(glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			}

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

			ofDrawCircle(glm::vec2(x, y) + glm::vec2(radius * cos(small_deg * DEG_TO_RAD), radius * sin(small_deg * DEG_TO_RAD)), small_radius);
		}
	}
}
//--------------------------------------------------------------
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();

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int coordinate_span = 144;

int radius = 40;

float span = (2 * PI * radius) / 360;

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

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

int small_circle_deg_size = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.008), 0, 1, 10, 120);

int small_radius = span * small_circle_deg_size * 0.35;

int small_deg = ofMap(ofNoise(ofRandom(360), ofGetFrameNum() * 0.003), 0, 1, 0, 720);

int deg_start = small_deg + small_circle_deg_size * 0.5;

int deg_end = deg_start + 360 - small_circle_deg_size;

vector<glm::vec2> vertices;

for (int deg = deg_start; deg <= deg_end; deg++) {

vertices.push_back(glm::vec2(x, y) + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofDrawCircle(glm::vec2(x, y) + glm::vec2(radius * cos(small_deg * DEG_TO_RAD), radius * sin(small_deg * DEG_TO_RAD)), small_radius);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190121

[ほしいものリスト]
Amazon

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