hexagon – ページ 12 – プログラミング de 落描き

2018年10月8日2018年10月16日

Random walk of hexagons. openframeworks

[ Video ]

[ About ]
TLでお見かけしたHexagonのランダムウォーク、良いっ！という事で自分もやってみました。

Random walk of hexagons.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Hexagon.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) {};

	vector<Hexagon> hexagons;
};

#pragma once

#include "ofMain.h"

#include "Hexagon.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) {};

vector<Hexagon> hexagons;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofNoFill();
	ofSetLineWidth(2);

	for (int i = 0; i < 10; i++) {

		ofColor color;
		color.setHsb(i * 25, 200, 255);

		Hexagon hexagon = Hexagon(ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5), 28, color);
		this->hexagons.push_back(hexagon);
	}
}

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

	for (Hexagon& hexagon : this->hexagons) {
	
		hexagon.Update();
	}
}

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

	for (Hexagon& hexagon : this->hexagons) {

		hexagon.Draw();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofNoFill();

ofSetLineWidth(2);

for (int i = 0; i < 10; i++) {

ofColor color;

color.setHsb(i * 25, 200, 255);

Hexagon hexagon = Hexagon(ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5), 28, color);

this->hexagons.push_back(hexagon);

}

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

void ofApp::update() {

for (Hexagon& hexagon : this->hexagons) {

hexagon.Update();

}

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

void ofApp::draw() {

for (Hexagon& hexagon : this->hexagons) {

hexagon.Draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Hexagon {
public:
	Hexagon();
	Hexagon(ofPoint location, float radius, ofColor color);

	void Update();
	void Draw();

private:

	ofPoint location;
	std::deque<ofPoint> logs;
	float radius;
	float height;
	ofColor color;
};

#pragma once

#include "ofMain.h"

class Hexagon {

public:

Hexagon();

Hexagon(ofPoint location, float radius, ofColor color);

void Update();

void Draw();

private:

ofPoint location;

std::deque<ofPoint> logs;

float radius;

float height;

ofColor color;

};

#include "Hexagon.h"

Hexagon::Hexagon() : Hexagon(ofPoint(), 0, ofColor()) {}

Hexagon::Hexagon(ofPoint location, float radius, ofColor color) {

	this->location = location;
	this->radius = radius;
	this->height = radius * sqrt(3);
	this->color = color;
}

void Hexagon::Update() {

	if (ofGetFrameNum() % 5 == 0) {
		
		int r = ofRandom(6);
		int deg = r * 60 + 30;

		int try_count = 0;
		ofPoint tmp_location;
		while (true) {

			tmp_location = this->location + ofPoint(this->height * cos(deg * DEG_TO_RAD), this->height * sin(deg * DEG_TO_RAD));
			if (tmp_location.x > 0 && tmp_location.x < ofGetWidth() && tmp_location.y > 0 && tmp_location.y < ofGetHeight()) { break; }

			deg += 60;
			if (++try_count > 6) { 
				
				tmp_location = this->location; 
				break;
			}
		}
		this->location = tmp_location;
		this->logs.push_front(this->location);
	}

	while (this->logs.size() > 6) { this->logs.pop_back(); }
}

void Hexagon::Draw() {

	float tmp_radius = this->radius;
	ofSetColor(this->color);

	for (ofPoint& log : this->logs) {

		ofPushMatrix();
		ofTranslate(log);

		ofBeginShape();
		for (int deg = 0; deg < 360; deg += 60) {

			ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));
		}
		ofEndShape(true);

		ofPopMatrix();

		tmp_radius *= 0.9;
	}
}

#include "Hexagon.h"

Hexagon::Hexagon() : Hexagon(ofPoint(), 0, ofColor()) {}

Hexagon::Hexagon(ofPoint location, float radius, ofColor color) {

this->location = location;

this->radius = radius;

this->height = radius * sqrt(3);

this->color = color;

}

void Hexagon::Update() {

if (ofGetFrameNum() % 5 == 0) {

int r = ofRandom(6);

int deg = r * 60 + 30;

int try_count = 0;

ofPoint tmp_location;

while (true) {

tmp_location = this->location + ofPoint(this->height * cos(deg * DEG_TO_RAD), this->height * sin(deg * DEG_TO_RAD));

if (tmp_location.x > 0 && tmp_location.x < ofGetWidth() && tmp_location.y > 0 && tmp_location.y < ofGetHeight()) { break; }

deg += 60;

if (++try_count > 6) {

tmp_location = this->location;

break;

}

this->location = tmp_location;

this->logs.push_front(this->location);

}

while (this->logs.size() > 6) { this->logs.pop_back(); }

}

void Hexagon::Draw() {

float tmp_radius = this->radius;

ofSetColor(this->color);

for (ofPoint& log : this->logs) {

ofPushMatrix();

ofTranslate(log);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 60) {

ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

tmp_radius *= 0.9;

}

[ Link ]
https://github.com/junkiyoshi/Insta20181008

2018年7月8日

2辺だけ六角形 openframeworks

[ Video ]

[ About ]
2辺だけ描写した六角形のを敷き詰めました。

I drawing only two sides hexagon.

[ 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("Insta");

	ofBackground(239);
	ofSetColor(39, 39, 239);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

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

	int radius = 50;
	bool flg = true;
	for (float y = -ofGetHeight() / 2 - radius; y < ofGetHeight() / 2 + radius; y += radius * 1.5) {

		for (float x = -ofGetWidth() / 2 - radius; x < ofGetWidth() / 2 + radius; x += radius * sqrt(3)) {

			ofPoint location(x, y);
			if (flg) {
								
				location += ofPoint(radius * sqrt(3) * 0.5, 0);
			}

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(90);

			int random_value = ofMap(ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.005), 0, 1, 0, 6);
			int start_deg = random_value * 60;

			ofBeginShape();
			for (int deg = start_deg; deg <= start_deg + 120; deg += 60) {

				ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape();

			ofPopMatrix();
		}
		flg = !flg;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

ofSetColor(39, 39, 239);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

int radius = 50;

bool flg = true;

for (float y = -ofGetHeight() / 2 - radius; y < ofGetHeight() / 2 + radius; y += radius * 1.5) {

for (float x = -ofGetWidth() / 2 - radius; x < ofGetWidth() / 2 + radius; x += radius * sqrt(3)) {

ofPoint location(x, y);

if (flg) {

location += ofPoint(radius * sqrt(3) * 0.5, 0);

}

ofPushMatrix();

ofTranslate(location);

ofRotate(90);

int random_value = ofMap(ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.005), 0, 1, 0, 6);

int start_deg = random_value * 60;

ofBeginShape();

for (int deg = start_deg; deg <= start_deg + 120; deg += 60) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

ofPopMatrix();

}

flg = !flg;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180708

2018年4月27日2018年4月26日

ずれるヘキサゴン openFrameworks

[ Video ]

[ About ]
六角形を重ねて描写しています。

高さ+Frame番号を引数としたNoiseで座標をズラしているので、ずれが伝播して昇っていくようなっています。

また、全部を同じ色で描写すると、奥行が感じられないので、前後の深さと線のアルファが連動させてそれっぽくしています。

[ 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;
	void draw_hexagon(ofPoint center, float radius, float z = 0.f);
};

#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;

void draw_hexagon(ofPoint center, float radius, float z = 0.f);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(35);

	float noise_x_param = ofRandom(1000);
	float noise_y_param = ofRandom(1000);
	float noise_threshold_high = 0.65;
	float noise_threshold_low = 0.35;
	for (int z = -300; z <= 300; z += 10) {

		ofPushMatrix();
		
		float noise_x_value = ofNoise(noise_x_param + z * 0.005 - ofGetFrameNum() * 0.05);
		float noise_y_value = ofNoise(noise_y_param + z * 0.005 - ofGetFrameNum() * 0.05);

		if (noise_x_value > noise_threshold_high) {

			ofTranslate(ofMap(noise_x_value, noise_threshold_high, 1.0, 0, 500), 0);
		}
		else if (noise_x_value < noise_threshold_low) {

			ofTranslate(ofMap(noise_x_value, 0.0, noise_threshold_low, -500, 0), 0);
		}

		if (noise_y_value > noise_threshold_high) {

			ofTranslate(0, ofMap(noise_y_value, noise_threshold_high, 1.0, 0, 500));
		}
		else if (noise_y_value < noise_threshold_low) {

			ofTranslate(0, ofMap(noise_y_value, 0.0, noise_threshold_low, -500, 0));
		}

		this->draw_hexagon(ofPoint(), 300, z);

		ofPopMatrix();
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_hexagon(ofPoint center, float radius, float z) {

	for (int deg = 0; deg < 360; deg += 60) {

		ofPoint start = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
		ofPoint end = ofPoint(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), z);
		ofPoint distance = end - start;
		float len = distance.length();
		distance.normalize();

		for (int l = 0; l < len; l++) {

			ofPoint p1 = start + l * distance;
			ofPoint p2 = start + (l + 1) * distance;

			ofSetColor(239, ofMap(p1.y, -radius, radius, 255, 25));
			ofDrawLine(p1, p2);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(35);

float noise_x_param = ofRandom(1000);

float noise_y_param = ofRandom(1000);

float noise_threshold_high = 0.65;

float noise_threshold_low = 0.35;

for (int z = -300; z <= 300; z += 10) {

ofPushMatrix();

float noise_x_value = ofNoise(noise_x_param + z * 0.005 - ofGetFrameNum() * 0.05);

float noise_y_value = ofNoise(noise_y_param + z * 0.005 - ofGetFrameNum() * 0.05);

if (noise_x_value > noise_threshold_high) {

ofTranslate(ofMap(noise_x_value, noise_threshold_high, 1.0, 0, 500), 0);

}

else if (noise_x_value < noise_threshold_low) {

ofTranslate(ofMap(noise_x_value, 0.0, noise_threshold_low, -500, 0), 0);

}

if (noise_y_value > noise_threshold_high) {

ofTranslate(0, ofMap(noise_y_value, noise_threshold_high, 1.0, 0, 500));

}

else if (noise_y_value < noise_threshold_low) {

ofTranslate(0, ofMap(noise_y_value, 0.0, noise_threshold_low, -500, 0));

}

this->draw_hexagon(ofPoint(), 300, z);

ofPopMatrix();

}

this->cam.end();

}

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

void ofApp::draw_hexagon(ofPoint center, float radius, float z) {

for (int deg = 0; deg < 360; deg += 60) {

ofPoint start = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);

ofPoint end = ofPoint(radius * cos((deg + 60) * DEG_TO_RAD), radius * sin((deg + 60) * DEG_TO_RAD), z);

ofPoint distance = end - start;

float len = distance.length();

distance.normalize();

for (int l = 0; l < len; l++) {

ofPoint p1 = start + l * distance;

ofPoint p2 = start + (l + 1) * distance;

ofSetColor(239, ofMap(p1.y, -radius, radius, 255, 25));

ofDrawLine(p1, p2);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180426

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