プログラミング de 落描き – ページ 746 – 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

2019年1月13日2019年1月13日

Visualize log of invisible agents.

[ Video ]

[ About ]
目に見えないエージェントの軌跡を可視化

Visualize log of invisible agents.

[ 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) {};

	float len_min;
	float len_max;

	vector<glm::vec2> agent_locations;
	vector<glm::vec2> rect_locations;
	vector<vector<float>> rect_lens;
};

#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) {};

float len_min;

float len_max;

vector<glm::vec2> agent_locations;

vector<glm::vec2> rect_locations;

vector<vector<float>> rect_lens;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(39);

	ofNoFill();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->len_min = 14;
	this->len_max = 72;

	for (int x = this->len_max * 0.5; x < ofGetWidth(); x += this->len_max) {

		for (int y = this->len_max * 0.5; y < ofGetHeight(); y += this->len_max) {

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

	for (int i = 0; i < this->rect_locations.size(); i++) {

		vector<float> rect_len;
		this->rect_lens.push_back(rect_len);
	}
}

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

	ofSeedRandom(39);

	this->agent_locations.clear();
	for (int i = 0; i < 8; i++) {

		agent_locations.push_back(glm::vec2(
			ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),
			ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())
		));
	}

	for (int i = 0; i < this->rect_locations.size(); i++) {

		for (int l = this->rect_lens[i].size() - 1; l > -1; l--) {

			this->rect_lens[i][l] += 3;
			if (this->rect_lens[i][l] > this->len_max) {

				this->rect_lens[i].erase(this->rect_lens[i].begin() + l);
			}
		}
	}

	for (int i = 0; i < this->agent_locations.size(); i++) {

		for (int rect_index = 0; rect_index < this->rect_locations.size(); rect_index++) {

			if (this->agent_locations[i].x > this->rect_locations[rect_index].x - this->len_max * 0.5 && this->agent_locations[i].x < this->rect_locations[rect_index].x + this->len_max * 0.5 &&
				this->agent_locations[i].y > this->rect_locations[rect_index].y - this->len_max * 0.5 && this->agent_locations[i].y < this->rect_locations[rect_index].y + this->len_max * 0.5) {

				this->rect_lens[rect_index].push_back(this->len_min);
			}
		}
	}
}

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

	ofNoFill();
	for (int i = 0; i < this->rect_locations.size(); i++) {

		for (int l = this->rect_lens[i].size() - 1; l > -1; l--) {

			ofSetColor(239);
			ofDrawRectangle(this->rect_locations[i], this->rect_lens[i][l], this->rect_lens[i][l]);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(39);

ofNoFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->len_min = 14;

this->len_max = 72;

for (int x = this->len_max * 0.5; x < ofGetWidth(); x += this->len_max) {

for (int y = this->len_max * 0.5; y < ofGetHeight(); y += this->len_max) {

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

}

for (int i = 0; i < this->rect_locations.size(); i++) {

vector<float> rect_len;

this->rect_lens.push_back(rect_len);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->agent_locations.clear();

for (int i = 0; i < 8; i++) {

agent_locations.push_back(glm::vec2(

ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetWidth()),

ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005), 0, 1, 0, ofGetHeight())

));

}

for (int i = 0; i < this->rect_locations.size(); i++) {

for (int l = this->rect_lens[i].size() - 1; l > -1; l--) {

this->rect_lens[i][l] += 3;

if (this->rect_lens[i][l] > this->len_max) {

this->rect_lens[i].erase(this->rect_lens[i].begin() + l);

}

for (int i = 0; i < this->agent_locations.size(); i++) {

for (int rect_index = 0; rect_index < this->rect_locations.size(); rect_index++) {

if (this->agent_locations[i].x > this->rect_locations[rect_index].x - this->len_max * 0.5 && this->agent_locations[i].x < this->rect_locations[rect_index].x + this->len_max * 0.5 &&

this->agent_locations[i].y > this->rect_locations[rect_index].y - this->len_max * 0.5 && this->agent_locations[i].y < this->rect_locations[rect_index].y + this->len_max * 0.5) {

this->rect_lens[rect_index].push_back(this->len_min);

}

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

void ofApp::draw() {

ofNoFill();

for (int i = 0; i < this->rect_locations.size(); i++) {

for (int l = this->rect_lens[i].size() - 1; l > -1; l--) {

ofSetColor(239);

ofDrawRectangle(this->rect_locations[i], this->rect_lens[i][l], this->rect_lens[i][l]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190113

2019年1月12日

Agents are moving on a changing character. openFrameworks

[ Video ]

[ About ]
変化する文字の領域だけを動くエージェント

Agents are moving on a changing character.

[ 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;
	int len_of_tail;
	vector<deque<glm::vec2>> logs;
	vector<glm::vec2> directions;
	vector<ofColor> colors;

	ofTrueTypeFont font;
	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;

int len_of_tail;

vector<deque<glm::vec2>> logs;

vector<glm::vec2> directions;

vector<ofColor> colors;

ofTrueTypeFont font;

ofFbo fbo;

ofPixels pixels;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(1.5);

	this->number_of_agent = 100;
	this->len_of_tail = 10;

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);
	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	vector<string> characters = { "A", "B", "C", "D", "E", "F",
		"G", "H", "I", "J", "K", "L",
		"M", "N", "O", "P", "Q", "R",
		"S", "T", "U", "V", "W", "X",
		"Y", "Z" };

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

	string draw_character = characters[(int)(ofGetFrameNum() * 0.01) % characters.size()];
	this->font.drawString(draw_character, ofGetWidth() * 0.5 - this->font.stringWidth(draw_character) * 0.5, ofGetHeight() * 0.5 + this->font.stringHeight(draw_character) * 0.5);

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

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

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

			deque<glm::vec2> log;
			log.push_front(glm::vec2(x, y));
			this->logs.push_back(log);
			this->directions.push_back(glm::normalize(glm::vec2(ofRandom(-1, 1), ofRandom(-1, 1))));
			ofColor color;
			color.setHsb(ofRandom(255), 255, 200);
			this->colors.push_back(color);
		}
	}

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

		glm::vec2 future;
		if (this->pixels.getColor((int)this->logs[i].front().x, (int)this->logs[i].front().y) == ofColor(0, 0)) {
		
			future = this->logs[i].front();
		}
		else {

			future = this->logs[i].front() + this->directions[i] * 5;
			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->logs[i].front() + this->directions[i] * 10;
				x = future.x;
				y = future.y;
			}
		}

		this->logs[i].push_front(future);
		while (this->logs[i].size() > this->len_of_tail) {

			this->logs[i].pop_back();
		}
	}
}

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

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

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

		for (int l = 0; l < this->logs[i].size() - 1; l++) {

			ofSetColor(this->colors[i], ofMap(l, 0, this->len_of_tail, 255, 64));
			ofDrawLine(this->logs[i][l], this->logs[i][l + 1]);
		}

		ofSetColor(this->colors[i]);
		ofDrawCircle(this->logs[i].front(), 3);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(1.5);

this->number_of_agent = 100;

this->len_of_tail = 10;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true);

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

}

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

void ofApp::update() {

vector<string> characters = { "A", "B", "C", "D", "E", "F",

"G", "H", "I", "J", "K", "L",

"M", "N", "O", "P", "Q", "R",

"S", "T", "U", "V", "W", "X",

"Y", "Z" };

this->fbo.begin();

ofClear(0);

ofSetColor(39);

string draw_character = characters[(int)(ofGetFrameNum() * 0.01) % characters.size()];

this->font.drawString(draw_character, ofGetWidth() * 0.5 - this->font.stringWidth(draw_character) * 0.5, ofGetHeight() * 0.5 + this->font.stringHeight(draw_character) * 0.5);

this->fbo.end();

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

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

int x = ofRandom(ofGetWidth());

int y = ofRandom(ofGetHeight());

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

deque<glm::vec2> log;

log.push_front(glm::vec2(x, y));

this->logs.push_back(log);

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

ofColor color;

color.setHsb(ofRandom(255), 255, 200);

this->colors.push_back(color);

}

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

glm::vec2 future;

if (this->pixels.getColor((int)this->logs[i].front().x, (int)this->logs[i].front().y) == ofColor(0, 0)) {

future = this->logs[i].front();

}

else {

future = this->logs[i].front() + this->directions[i] * 5;

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->logs[i].front() + this->directions[i] * 10;

x = future.x;

y = future.y;

}

this->logs[i].push_front(future);

while (this->logs[i].size() > this->len_of_tail) {

this->logs[i].pop_back();

}

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

void ofApp::draw() {

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

ofFill();

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

for (int l = 0; l < this->logs[i].size() - 1; l++) {

ofSetColor(this->colors[i], ofMap(l, 0, this->len_of_tail, 255, 64));

ofDrawLine(this->logs[i][l], this->logs[i][l + 1]);

}

ofSetColor(this->colors[i]);

ofDrawCircle(this->logs[i].front(), 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190112

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