openFrameworks – ページ 816 – プログラミング de 落描き

2018年12月2日2018年12月2日

Ghost leg. openFrameworks

[ Video ]

[ About ]
独楽回しeddy(@EKey2210)さんの投稿をマネしてみました。ofNoiseを使って変化している角度を30で区切ってあみだくじみたいにしました。

Inspire from @EKey2210(Twitter) post.

円運動の軌跡が作り出すトンネル#openframeworks pic.twitter.com/FR2UOeWu12

— 独楽回しeddy (@EKey2210) 2018年12月1日

[ 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);
	ofEnableDepthTest();
	ofSetLineWidth(3);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(180);

	int radius = 150;
	for (int i = 0; i < 8; i++) {

		float noise_param_1 = ofRandom(360);
		float noise_param_2 = ofRandom(360);
		glm::vec3 prev = glm::vec3();
		for (int len = 0; len < 200; len += 1) {

			int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;
			deg = (deg / 30) * 30;
			glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

			if (len != 0) {

				ofDrawLine(location, prev);
			}

			prev = location;
		}

		ofDrawSphere(prev, 3);
	}

	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();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(180);

int radius = 150;

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

float noise_param_1 = ofRandom(360);

float noise_param_2 = ofRandom(360);

glm::vec3 prev = glm::vec3();

for (int len = 0; len < 200; len += 1) {

int deg = noise_param_1 + ofNoise(noise_param_2, (ofGetFrameNum() + len) * 0.005) * 360;

deg = (deg / 30) * 30;

glm::vec3 location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), len * 3);

if (len != 0) {

ofDrawLine(location, prev);

}

prev = location;

}

ofDrawSphere(prev, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181202

2018年12月1日2018年12月1日

Particle and Line. openFrameworks

[ Video ]

[ About ]
ランダムに生成した座標を飛び交うライン

Line is moving on random coordinates.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Particle.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;
	ofFbo fbo;
	vector<Particle> particles;

	vector<glm::vec3> locations;
	vector<vector<int>> next_indexes;
};

#pragma once

#include "ofMain.h"

#include "Particle.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;

ofFbo fbo;

vector<Particle> particles;

vector<glm::vec3> locations;

vector<vector<int>> next_indexes;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	for (int i = 0; i < 2048; i++) {

		this->locations.push_back(glm::vec3(ofRandom(-ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofRandom(-ofGetHeight() * 0.5, ofGetHeight() * 0.5), ofRandom(-360, 360)));
	}

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

		vector<int> next_index = vector<int>();
		for (int j = 0; j < this->locations.size(); j++) {

			if (i == j) { continue; }

			glm::vec3 distance = this->locations[i] - this->locations[j];
			if (glm::length(distance) <= 100) {

				next_index.push_back(j);
			}
		}

		this->next_indexes.push_back(next_index);
	}

	for (int i = 0; i < 80; i++) { this->particles.push_back(Particle(this->locations, this->next_indexes)); }
}
//--------------------------------------------------------------
void ofApp::update() {

	for (Particle& particle : particles) { particle.Upate(); }
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * -0.5);

	for (Particle& particle : particles) { particle.Draw(); }

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(239);

ofSetLineWidth(1.5);

ofEnableDepthTest();

for (int i = 0; i < 2048; i++) {

this->locations.push_back(glm::vec3(ofRandom(-ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofRandom(-ofGetHeight() * 0.5, ofGetHeight() * 0.5), ofRandom(-360, 360)));

}

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

vector<int> next_index = vector<int>();

for (int j = 0; j < this->locations.size(); j++) {

if (i == j) { continue; }

glm::vec3 distance = this->locations[i] - this->locations[j];

if (glm::length(distance) <= 100) {

next_index.push_back(j);

}

this->next_indexes.push_back(next_index);

}

for (int i = 0; i < 80; i++) { this->particles.push_back(Particle(this->locations, this->next_indexes)); }

}

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

void ofApp::update() {

for (Particle& particle : particles) { particle.Upate(); }

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * -0.5);

for (Particle& particle : particles) { particle.Draw(); }

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Particle {
public:
	Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes);
	~Particle();
	void Upate();
	void Draw();

	ofPoint location;
private:

	vector<glm::vec3> locations;
	vector<vector<int>> next_indexes;

	int locations_index;
	int next_index;

	std::deque<glm::vec3> logs;
};

#pragma once

#include "ofMain.h"

class Particle {

public:

Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes);

~Particle();

void Upate();

void Draw();

ofPoint location;

private:

vector<glm::vec3> locations;

vector<vector<int>> next_indexes;

int locations_index;

int next_index;

std::deque<glm::vec3> logs;

};

#include "Particle.h"

//--------------------------------------------------------------
Particle::Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes) {

	this->locations = locations;
	this->next_indexes = next_indexes;
	this->locations_index = (int)ofRandom(this->locations.size());
	this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];
}

//--------------------------------------------------------------
Particle::~Particle() {

}

//--------------------------------------------------------------
void Particle::Upate() {

	int frame_span = 10;

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

		this->locations_index = this->next_index;
		this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];
	}

	glm::vec3 distance = this->locations[this->next_index] - this->locations[this->locations_index];
	this->location = this->locations[this->locations_index] + distance / frame_span * (ofGetFrameNum() % frame_span);

	this->logs.push_front(this->location);
	while (this->logs.size() > 10) { this->logs.pop_back(); }
}

//--------------------------------------------------------------
void Particle::Draw() {

	ofFill();
	//ofDrawSphere(this->location, 3);

	ofNoFill();
	ofBeginShape();
	for (glm::vec3& log : this->logs) {

		ofVertex(log);
	}
	ofEndShape();
}

#include "Particle.h"

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

Particle::Particle(vector<glm::vec3> locations, vector<vector<int>> next_indexes) {

this->locations = locations;

this->next_indexes = next_indexes;

this->locations_index = (int)ofRandom(this->locations.size());

this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];

}

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

Particle::~Particle() {

}

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

void Particle::Upate() {

int frame_span = 10;

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

this->locations_index = this->next_index;

this->next_index = this->next_indexes[this->locations_index][(int)ofRandom(this->next_indexes[this->locations_index].size())];

}

glm::vec3 distance = this->locations[this->next_index] - this->locations[this->locations_index];

this->location = this->locations[this->locations_index] + distance / frame_span * (ofGetFrameNum() % frame_span);

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

while (this->logs.size() > 10) { this->logs.pop_back(); }

}

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

void Particle::Draw() {

ofFill();

//ofDrawSphere(this->location, 3);

ofNoFill();

ofBeginShape();

for (glm::vec3& log : this->logs) {

ofVertex(log);

}

ofEndShape();

}

[ Link ]
https://github.com/junkiyoshi/Insta20181201

2018年11月30日2018年11月30日

Computer. openFrameworks

Video ]

[ About ]
Day 30 Computer

流動的ASCIIコード表

Changing ASCII code table.

[ 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 size;
	ofTrueTypeFont font;
};

#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 size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239);

	this->size = 45;
	this->font.loadFont("fonts/msgothic.ttc", this->size * 0.8, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	vector<int> row_values;
	vector<int> col_values;

	ofDrawLine(0, this->size * 3 + 5, ofGetWidth(), this->size * 3 + 5);
	ofDrawLine(this->size * 4 - 5, 0, this->size * 4 - 5, ofGetHeight());

	for (int y = 4 * this->size; y <= ofGetHeight(); y += this->size) {

		int row_value = 0;
		int row_param = 8;
		for (int row = 0; row < 4; row++) {

			int x = row * this->size;
			int value = ofNoise(ofRandom(100), ofGetFrameNum() * 0.005) > 0.5 ? 0 : 1;

			this->font.drawString(to_string(value), x, y);

			row_value += value * row_param;
			row_param /= 2;
		}

		row_values.push_back(row_value);
	}

	for (int x = 4 * this->size; x <= ofGetWidth(); x += this->size) {
		
		int col_value = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 8);
		col_value *= 16;
		int tmp_col_value = col_value;

		int col_param = 64;
		for (int col = 1; col < 4; col++) {

			int y = col * this->size;
			int value = tmp_col_value / col_param;

			this->font.drawString(to_string(value), x, y);
			tmp_col_value = tmp_col_value % col_param;
			col_param /= 2;
		}

		col_values.push_back(col_value);
	}

	for (int row_index = 0; row_index < row_values.size(); row_index++) {

		for (int col_index = 0; col_index < col_values.size(); col_index++) {

			char sum = row_values[row_index] + col_values[col_index];
			string sum_str = { sum };

			this->font.drawString(sum_str, col_index * this->size + this->size * 4, row_index * this->size + this->size * 4);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(239);

this->size = 45;

this->font.loadFont("fonts/msgothic.ttc", this->size * 0.8, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<int> row_values;

vector<int> col_values;

ofDrawLine(0, this->size * 3 + 5, ofGetWidth(), this->size * 3 + 5);

ofDrawLine(this->size * 4 - 5, 0, this->size * 4 - 5, ofGetHeight());

for (int y = 4 * this->size; y <= ofGetHeight(); y += this->size) {

int row_value = 0;

int row_param = 8;

for (int row = 0; row < 4; row++) {

int x = row * this->size;

int value = ofNoise(ofRandom(100), ofGetFrameNum() * 0.005) > 0.5 ? 0 : 1;

this->font.drawString(to_string(value), x, y);

row_value += value * row_param;

row_param /= 2;

}

row_values.push_back(row_value);

}

for (int x = 4 * this->size; x <= ofGetWidth(); x += this->size) {

int col_value = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.005), 0, 1, 2, 8);

col_value *= 16;

int tmp_col_value = col_value;

int col_param = 64;

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

int y = col * this->size;

int value = tmp_col_value / col_param;

this->font.drawString(to_string(value), x, y);

tmp_col_value = tmp_col_value % col_param;

col_param /= 2;

}

col_values.push_back(col_value);

}

for (int row_index = 0; row_index < row_values.size(); row_index++) {

for (int col_index = 0; col_index < col_values.size(); col_index++) {

char sum = row_values[row_index] + col_values[col_index];

string sum_str = { sum };

this->font.drawString(sum_str, col_index * this->size + this->size * 4, row_index * this->size + this->size * 4);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181130

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