プログラミング de 落描き – ページ 656 – 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8日2019年7月8日

Particle on the cylinder. openFrameworks

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[ About ]
円柱上のパーティクル。

Particle on the cylinder.

[ 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);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);
	
	auto radius = 300;
	auto deg_span = 5;
	vector<glm::vec3> locations;
	for (int deg = 0; deg < 360; deg += deg_span) {

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));
		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));
	}
	
	for (int i = 0; i < 500; i++) {

		int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;
		int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
	}

	for (auto& location : locations) {

		ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));
		ofDrawSphere(location, 3);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 50) {

				ofDrawLine(location, other);
			}
		}
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

auto radius = 300;

auto deg_span = 5;

vector<glm::vec3> locations;

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

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));

}

for (int i = 0; i < 500; i++) {

int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;

int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

}

for (auto& location : locations) {

ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));

ofDrawSphere(location, 3);

for (auto& other : locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 50) {

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190708

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2019年7月7日

8. Draw by openFrameworks

[ Video ]

[ About ]
パラメータをミスったらなんか面白い感じに。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofRotate(90);

	auto radius_min = 110;
	auto radius_max = 180;
	auto radius_span = 8;

	for (int radius = radius_min; radius < radius_max; radius += radius_span) {

		ofColor color;
		color.setHsb(ofRandom(255), 180, 255);

		auto start_deg = ofGetFrameNum() * ofRandom(3, 8) + ofRandom(720);
		auto len = ofRandom(80, 360);

		vector<glm::vec2> vertices_in, vertices_out;
		auto first = true;
		for (int deg = start_deg; deg < start_deg + len; deg += 1) {

			int position_deg = deg % 720;
			if (position_deg < 360) {

				vertices_in.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, -30));
				vertices_out.push_back(glm::vec2((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, 30));
			}
			else {

				int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);
				vertices_in.push_back(glm::vec2(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, -30));
				vertices_out.push_back(glm::vec2(-1 * (tmp_radius - radius_span) * cos(deg * DEG_TO_RAD), (tmp_radius - radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, 30));
			}
		}

		reverse(vertices_out.begin(), vertices_out.end());

		ofFill();
		ofSetColor(color);
		ofBeginShape();
		ofVertices(vertices_in);
		ofVertices(vertices_out);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices_in);
		ofVertices(vertices_out);
		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);

ofSetLineWidth(2);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofRotate(90);

auto radius_min = 110;

auto radius_max = 180;

auto radius_span = 8;

for (int radius = radius_min; radius < radius_max; radius += radius_span) {

ofColor color;

color.setHsb(ofRandom(255), 180, 255);

auto start_deg = ofGetFrameNum() * ofRandom(3, 8) + ofRandom(720);

auto len = ofRandom(80, 360);

vector<glm::vec2> vertices_in, vertices_out;

auto first = true;

for (int deg = start_deg; deg < start_deg + len; deg += 1) {

int position_deg = deg % 720;

if (position_deg < 360) {

vertices_in.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, -30));

vertices_out.push_back(glm::vec2((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, 30));

}

else {

int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);

vertices_in.push_back(glm::vec2(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, -30));

vertices_out.push_back(glm::vec2(-1 * (tmp_radius - radius_span) * cos(deg * DEG_TO_RAD), (tmp_radius - radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, 30));

}

reverse(vertices_out.begin(), vertices_out.end());

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices_in);

ofVertices(vertices_out);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_in);

ofVertices(vertices_out);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190707

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2019年7月6日

分岐. Processing

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[ 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

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