プログラミング de 落描き – ページ 688 – 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7月6日

分岐. Processing

[ Video ]

[ About ]
Processing勉強会の課題「分岐」

[ Source ]

int numberOfWalker = 30;
Walker[] walkers = new Walker[numberOfWalker];

void setup(){
 
  size(720, 720);
  frameRate(60);
  stroke(39);
  strokeWeight(2);
    
  for(int i = 0; i < numberOfWalker; i++){
    
    walkers[i] = new Walker();
  }
}


void draw(){

  background(239);
  
  for(int i = 0; i < numberOfWalker; i++){
    
    walkers[i].update();
    walkers[i].display();
  }
}

int numberOfWalker = 30;

Walker[] walkers = new Walker[numberOfWalker];

void setup(){

size(720, 720);

frameRate(60);

stroke(39);

strokeWeight(2);

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

walkers[i] = new Walker();

}

void draw(){

background(239);

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

walkers[i].update();

walkers[i].display();

}

class Walker{
  
  PVector location;
  PVector direction;
  //PVector log;
  ArrayList<PVector> log;
  
  Walker(){

    int x = ((int)random(0, width) / 30) * 30;
    int y = ((int)random(0, height) / 30) * 30;
    this.location = new PVector(x, y);
    
    log = new ArrayList<PVector>();
  }
  
  void update(){
    
    if(frameCount % 10 == 1){
      
      int r = (int)random(0, 4);
        switch(r){
          case 0:
            this.direction = new PVector(10, 0);
            break;
          case 1:
            this.direction = new PVector(-10, 0);
            break;
          case 2:
            this.direction = new PVector(0, 10);
            break;
          case 3:
            this.direction = new PVector(0, -10);
            break;
        }
    }
    
    this.location.add(this.direction);
    
    if(this.location.x < 0){
     
      this.location.x = width;
    }else if(this.location.x > width){
     
      this.location.x = 0;
    }
    
    if(this.location.y < 0){
     
      this.location.y = height;
    }else if(this.location.y > height){
     
      this.location.y =  0;
    }
    
    this.log.add(this.location.copy());
    if(log.size() > 10){
     
      this.log.remove(0);
    }
  }
  
  void display(){
   
    for(int i = 1;i < this.log.size(); i++){
     
      line(this.log.get(i - 1).x, this.log.get(i - 1).y, this.log.get(i).x, this.log.get(i).y); 
    }
  }
}

class Walker{

PVector location;

PVector direction;

//PVector log;

ArrayList<PVector> log;

Walker(){

int x = ((int)random(0, width) / 30) * 30;

int y = ((int)random(0, height) / 30) * 30;

this.location = new PVector(x, y);

log = new ArrayList<PVector>();

}

void update(){

if(frameCount % 10 == 1){

int r = (int)random(0, 4);

switch(r){

case 0:

this.direction = new PVector(10, 0);

break;

case 1:

this.direction = new PVector(-10, 0);

break;

case 2:

this.direction = new PVector(0, 10);

break;

case 3:

this.direction = new PVector(0, -10);

break;

}

this.location.add(this.direction);

if(this.location.x < 0){

this.location.x = width;

}else if(this.location.x > width){

this.location.x = 0;

}

if(this.location.y < 0){

this.location.y = height;

}else if(this.location.y > height){

this.location.y = 0;

}

this.log.add(this.location.copy());

if(log.size() > 10){

this.log.remove(0);

}

void display(){

for(int i = 1;i < this.log.size(); i++){

line(this.log.get(i - 1).x, this.log.get(i - 1).y, this.log.get(i).x, this.log.get(i).y);

}

[ Link ]
https://github.com/junkiyoshi/Insta20190706

2019年7月5日2019年7月5日

Fill box and line box * 9. openFrameworks

[ Video ]

[ About ]
塗りつぶし箱と線だけの箱を9個描写。

Fill box and line box * 9.

[ 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) {};

	void drawNoiseBox(glm::vec3 location, int length);

	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) {};

void drawNoiseBox(glm::vec3 location, int length);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

	for (int x = -150; x <= 150; x += 150) {

		for (int y = -150; y <= 150; y += 150) {

			this->drawNoiseBox(glm::vec3(x, y, 0), 80);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::drawNoiseBox(glm::vec3 location, int length) {

	ofPushMatrix();
	ofTranslate(location);

	int size = 20;
	for (int x = -length * 0.5; x <= length * 0.5; x += size) {

		for (int y = -length * 0.5; y <= length * 0.5; y += size) {

			for (int z = -length * 0.5; z <= length * 0.5; z += size) {

				auto box_location = glm::vec3(x, y, z);
				auto noise_value = ofNoise(location.x + x * 0.005, location.y + y * 0.005, location.z + z * 0.005, ofGetFrameNum() * 0.005);

				ofNoFill();
				ofSetColor(39);
				ofDrawBox(box_location, size * 0.9);

				if (noise_value > 0.5) {

					ofFill();
					ofSetColor(239);
					ofDrawBox(box_location, size * 0.88);
				}
			}
		}
	}

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

for (int x = -150; x <= 150; x += 150) {

for (int y = -150; y <= 150; y += 150) {

this->drawNoiseBox(glm::vec3(x, y, 0), 80);

}

this->cam.end();

}

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

void ofApp::drawNoiseBox(glm::vec3 location, int length) {

ofPushMatrix();

ofTranslate(location);

int size = 20;

for (int x = -length * 0.5; x <= length * 0.5; x += size) {

for (int y = -length * 0.5; y <= length * 0.5; y += size) {

for (int z = -length * 0.5; z <= length * 0.5; z += size) {

auto box_location = glm::vec3(x, y, z);

auto noise_value = ofNoise(location.x + x * 0.005, location.y + y * 0.005, location.z + z * 0.005, ofGetFrameNum() * 0.005);

ofNoFill();

ofSetColor(39);

ofDrawBox(box_location, size * 0.9);

if (noise_value > 0.5) {

ofFill();

ofSetColor(239);

ofDrawBox(box_location, size * 0.88);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190705

2019年7月4日2019年7月4日

Ring × Ring × Ring. openFrameworks

[ Video ]

[ About ]
リング

Ring.

[ 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;
};

#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;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofNoFill();
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);

	auto radius = 200;
	auto span = radius * 1.5;
	auto deg_span = 15;
	auto width = 100;

	vector<glm::vec3> locations  = {
		glm::vec3(-span, -span, 0), glm::vec3(0, -span, 0), glm::vec3(span, -span, 0),
		glm::vec3(-span, 0, 0), glm::vec3(span, 0, 0),
		glm::vec3(-span, span, 0), glm::vec3(0, span, 0), glm::vec3(span, span, 0)
	};

	vector<glm::vec3> degrees = {
		glm::vec3(0, 0, 0), glm::vec3(90, 0, 0), glm::vec3(0, 0, 0),
		glm::vec3(0, 90, 0), glm::vec3(0, 90, 0),
		glm::vec3(0, 0, 0), glm::vec3(90, 0, 0), glm::vec3(0, 0, 0)
	};

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

		ofPushMatrix();
		ofTranslate(locations[i]);
		ofRotateX(degrees[i].x);
		ofRotateY(degrees[i].y);
		ofRotateZ(degrees[i].z);


		auto deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003), 0, 1, -180, 180);
		for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

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

		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(3);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

auto radius = 200;

auto span = radius * 1.5;

auto deg_span = 15;

auto width = 100;

vector<glm::vec3> locations = {

glm::vec3(-span, -span, 0), glm::vec3(0, -span, 0), glm::vec3(span, -span, 0),

glm::vec3(-span, 0, 0), glm::vec3(span, 0, 0),

glm::vec3(-span, span, 0), glm::vec3(0, span, 0), glm::vec3(span, span, 0)

};

vector<glm::vec3> degrees = {

glm::vec3(0, 0, 0), glm::vec3(90, 0, 0), glm::vec3(0, 0, 0),

glm::vec3(0, 90, 0), glm::vec3(0, 90, 0),

glm::vec3(0, 0, 0), glm::vec3(90, 0, 0), glm::vec3(0, 0, 0)

};

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

ofPushMatrix();

ofTranslate(locations[i]);

ofRotateX(degrees[i].x);

ofRotateY(degrees[i].y);

ofRotateZ(degrees[i].z);

auto deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.003), 0, 1, -180, 180);

for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190704

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