Particle – ページ 7 – プログラミング de 落描き

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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2019年1月15日2019年1月16日

Agents moving on the black band. openFrameworks

[ Video ]

[ About ]
黒い帯の上だけ移動が出来るエージェント。帯はノイズ関数で動かしています。エラー処理をサボったのでエージェントの移動先が無くなると無限ループでデッドします

Agents moving on the black band.

[ 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) {};

	int number_of_agent;
	vector<glm::vec2> locations;
	vector<glm::vec2> directions;

	ofFbo fbo;
	ofPixels pixels;
};

#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) {};

int number_of_agent;

vector<glm::vec2> locations;

vector<glm::vec2> directions;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);

	this->number_of_agent = 200;
	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	this->fbo.begin();
	ofClear(0);
	ofSetColor(39);

	for (int i = 1; i <= 4; i++) {

		vector<glm::vec2> vertices;
		for (int x = 0; x <= ofGetWidth(); x += 10) {

			vertices.push_back(glm::vec2(x, ofMap(ofNoise(i * 39, x * 0.001, ofGetFrameNum() * 0.001 * i), 0, 1, ofGetHeight() * 0.1, ofGetHeight() * 0.9)));
		}

		int count = vertices.size();
		for (int vertices_index = count - 1; vertices_index > -1; vertices_index--) {

			vertices.push_back(vertices[vertices_index] - glm::vec2(0, -60));
		}

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

	this->fbo.end();
	this->fbo.readToPixels(this->pixels);

	while (this->locations.size() < this->number_of_agent) {

		int x = ofRandom(ofGetWidth());
		int y = ofRandom(ofGetHeight());
		if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

			this->locations.push_back(glm::vec2(x, y));
			this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));
		}
	}

	for (int i = 0; i < this->number_of_agent; i++) {

		glm::vec2 future;
		future = this->locations[i] + this->directions[i] * 3;
		int x = future.x;
		int y = future.y;

		while (x < 0 || x > ofGetWidth() || y < 0 || y > ofGetHeight() || this->pixels.getColor(x, y) == ofColor(0, 0)) {

			this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

			future = this->locations[i] + this->directions[i] * 10;
			x = future.x;
			y = future.y;
		}

		this->locations[i] = future;
	}
}

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

	ofSetColor(255);
	this->fbo.draw(0, 0);

	ofFill();
	for (int i = 0; i < this->number_of_agent; i++) {

		ofDrawCircle(this->locations[i], 3);
		for (int j = 0; j < this->number_of_agent; j++) {

			if (glm::length(this->locations[i] - this->locations[j]) < 30) {

				ofDrawLine(this->locations[i], this->locations[j]);
			}
		}
	}
}

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

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

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

this->number_of_agent = 200;

this->fbo.allocate(ofGetWidth(), ofGetHeight());

}

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

void ofApp::update() {

this->fbo.begin();

ofClear(0);

ofSetColor(39);

for (int i = 1; i <= 4; i++) {

vector<glm::vec2> vertices;

for (int x = 0; x <= ofGetWidth(); x += 10) {

vertices.push_back(glm::vec2(x, ofMap(ofNoise(i * 39, x * 0.001, ofGetFrameNum() * 0.001 * i), 0, 1, ofGetHeight() * 0.1, ofGetHeight() * 0.9)));

}

int count = vertices.size();

for (int vertices_index = count - 1; vertices_index > -1; vertices_index--) {

vertices.push_back(vertices[vertices_index] - glm::vec2(0, -60));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

this->fbo.end();

this->fbo.readToPixels(this->pixels);

while (this->locations.size() < this->number_of_agent) {

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

if (this->pixels.getColor(x, y) != ofColor(0, 0)) {

this->locations.push_back(glm::vec2(x, y));

this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));

}

for (int i = 0; i < this->number_of_agent; i++) {

glm::vec2 future;

future = this->locations[i] + this->directions[i] * 3;

int x = future.x;

int y = future.y;

while (x < 0 || x > ofGetWidth() || y < 0 || y > ofGetHeight() || this->pixels.getColor(x, y) == ofColor(0, 0)) {

this->directions[i] = glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1)));

future = this->locations[i] + this->directions[i] * 10;

x = future.x;

y = future.y;

}

this->locations[i] = future;

}

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

void ofApp::draw() {

ofSetColor(255);

this->fbo.draw(0, 0);

ofFill();

for (int i = 0; i < this->number_of_agent; i++) {

ofDrawCircle(this->locations[i], 3);

for (int j = 0; j < this->number_of_agent; j++) {

if (glm::length(this->locations[i] - this->locations[j]) < 30) {

ofDrawLine(this->locations[i], this->locations[j]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190115

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2019年1月14日2019年1月14日

Agents friendship on sphere. openFrameworks

[ Video ]

[ About ]
球体上座標を移動するエージェントと関連性の可視化

Agents moving on sphere coordinate. Visualize friendship.

[ 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 draw_sphere(glm::vec3 location, float radius, ofColor color);

	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 draw_sphere(glm::vec3 location, float radius, ofColor color);

ofEasyCam cam;

};

#pragma once
#include "ofMain.h"

 
<pre class="lang:default decode:true " title="ofApp.cpp" >#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	this->draw_sphere(glm::vec3(-250, 0, 0), 450, ofColor(239));
	this->draw_sphere(glm::vec3(500, 500, 0), 200, ofColor(239, 0, 0));
	this->draw_sphere(glm::vec3(500, 0, 0), 200, ofColor(0, 239, 0));
	this->draw_sphere(glm::vec3(500, -500, 0), 200, ofColor(0, 0, 239));

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_sphere(glm::vec3 location, float radius, ofColor color) {

	vector<glm::vec3> locations;
	for (int i = 0; i < 120; i++) {

		glm::vec3 random_location = glm::vec3(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -1, 1),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -1, 1),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -1, 1)
		);

		glm::vec3 l = glm::normalize(random_location) * radius;
		locations.push_back(l + location);
	}

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

		ofSetColor(color);
		ofDrawSphere(locations[out_index], 5);

		vector<glm::vec3> near_locations;
		for (int in_index = 0; in_index < locations.size(); in_index++) {

			if (glm::length(locations[out_index] - locations[in_index]) < radius * 0.25) {

				ofDrawLine(locations[out_index], locations[in_index]);
				near_locations.push_back(locations[in_index]);
			}
		}

		if (near_locations.size() > 3) {


			for (int i = 0; i < near_locations.size() - 2; i++) {

				ofSetColor(color, 200);
				ofBeginShape();
				ofVertex(near_locations[i]);
				ofVertex(near_locations[i + 1]);
				ofVertex(near_locations[i + 2]);
				ofEndShape(true);
			}
		}
	}
}

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

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

#pragma once

#include "ofMain.h"

<pre class="lang:default decode:true " title="ofApp.cpp" >#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

this->draw_sphere(glm::vec3(-250, 0, 0), 450, ofColor(239));

this->draw_sphere(glm::vec3(500, 500, 0), 200, ofColor(239, 0, 0));

this->draw_sphere(glm::vec3(500, 0, 0), 200, ofColor(0, 239, 0));

this->draw_sphere(glm::vec3(500, -500, 0), 200, ofColor(0, 0, 239));

this->cam.end();

}

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

void ofApp::draw_sphere(glm::vec3 location, float radius, ofColor color) {

vector<glm::vec3> locations;

for (int i = 0; i < 120; i++) {

glm::vec3 random_location = glm::vec3(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -1, 1),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -1, 1)

);

glm::vec3 l = glm::normalize(random_location) * radius;

locations.push_back(l + location);

}

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

ofSetColor(color);

ofDrawSphere(locations[out_index], 5);

vector<glm::vec3> near_locations;

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

if (glm::length(locations[out_index] - locations[in_index]) < radius * 0.25) {

ofDrawLine(locations[out_index], locations[in_index]);

near_locations.push_back(locations[in_index]);

}

if (near_locations.size() > 3) {

for (int i = 0; i < near_locations.size() - 2; i++) {

ofSetColor(color, 200);

ofBeginShape();

ofVertex(near_locations[i]);

ofVertex(near_locations[i + 1]);

ofVertex(near_locations[i + 2]);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190114

[ほしいものリスト]
Amazon

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