2020年6月 – ページ 3 – プログラミング de 落描き

2020年6月24日2020年6月24日

digital number * noise. Draw by openFrameworks

[ Video ]

[ About ]
デジタルな数字を部位ごとに表示・非表示。

digital number * noise.

[ 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) {};

	void draw_digital(glm::vec2 location);
	void draw_hexagon(glm::vec2 location, float deg);

	int hexagon_height = 40;
	int hexagon_width = 10;
};

#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) {};

void draw_digital(glm::vec2 location);

void draw_hexagon(glm::vec2 location, float deg);

int hexagon_height = 40;

int hexagon_width = 10;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);

	this->hexagon_height = 40;
	this->hexagon_width = 10;
}

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

	ofSeedRandom(39);
}

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

	for (int x = 120; x <= ofGetWidth() - 120; x += this->hexagon_height * 1.5) {

		for (int y = 120; y <= ofGetHeight() - 120; y += this->hexagon_height * 3) {

			this->draw_digital(glm::vec2(x, y));
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_digital(glm::vec2 location) {

	vector<pair<glm::vec2, float>> part_list = {
		make_pair<glm::vec2, float>(location + glm::vec2(0, -this->hexagon_height), 90),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(0, 0), 90),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),
		make_pair<glm::vec2, float>(location + glm::vec2(0, this->hexagon_height), 90)
	};

	for (auto& part : part_list) {

		auto noise_value = ofNoise(part.first.x, part.first.y, (ofGetFrameNum() + ofRandom(1000)) * 0.015);

		if (noise_value < 0.65) {
		
			this->draw_hexagon(part.first, part.second);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_hexagon(glm::vec2 location, float deg) {

	ofPushMatrix();
	ofTranslate(location);
	ofRotate(deg);

	vector<glm::vec2> vertices;

	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height *  0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height *  0.5));
	vertices.push_back(glm::vec2(this->hexagon_width *  0.4, this->hexagon_height *  0.4));
	vertices.push_back(glm::vec2(this->hexagon_width *  0.4, this->hexagon_height * -0.4));
	vertices.push_back(glm::vec2(0, this->hexagon_height *  -0.5));

	ofFill();
	ofSetColor(39);

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(239);

	ofBeginShape();
	ofVertices(vertices);
	ofEndShape(true);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

this->hexagon_height = 40;

this->hexagon_width = 10;

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int x = 120; x <= ofGetWidth() - 120; x += this->hexagon_height * 1.5) {

for (int y = 120; y <= ofGetHeight() - 120; y += this->hexagon_height * 3) {

this->draw_digital(glm::vec2(x, y));

}

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

void ofApp::draw_digital(glm::vec2 location) {

vector<pair<glm::vec2, float>> part_list = {

make_pair<glm::vec2, float>(location + glm::vec2(0, -this->hexagon_height), 90),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(0, 0), 90),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0),

make_pair<glm::vec2, float>(location + glm::vec2(0, this->hexagon_height), 90)

};

for (auto& part : part_list) {

auto noise_value = ofNoise(part.first.x, part.first.y, (ofGetFrameNum() + ofRandom(1000)) * 0.015);

if (noise_value < 0.65) {

this->draw_hexagon(part.first, part.second);

}

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

void ofApp::draw_hexagon(glm::vec2 location, float deg) {

ofPushMatrix();

ofTranslate(location);

ofRotate(deg);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4));

vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4));

vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5));

ofFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200624

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2020年6月23日2020年6月23日

Front and back. Draw by openFrameworks

[ Video ]

[ About ]
手前と奥。

Front and back.

[ 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) {};

	void draw_particles(int count);

	int inner_size;
};

#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) {};

void draw_particles(int count);

int inner_size;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);

	this->inner_size = 150;
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	vector<glm::vec2> outer_vertices = { 
		glm::vec2(0, 0),
		glm::vec2(0, ofGetHeight()),
		glm::vec2(ofGetWidth(), ofGetHeight()),
		glm::vec2(ofGetWidth(), 0)
	};

	vector<glm::vec2> inner_vertices = { 
		glm::vec2(ofGetWidth() * 0.5 - this->inner_size, ofGetHeight() * 0.5 - this->inner_size),
		glm::vec2(ofGetWidth() * 0.5 - this->inner_size, ofGetHeight() * 0.5 + this->inner_size),
		glm::vec2(ofGetWidth() * 0.5 + this->inner_size, ofGetHeight() * 0.5 + this->inner_size),
		glm::vec2(ofGetWidth() * 0.5 + this->inner_size, ofGetHeight() * 0.5 - this->inner_size)
	};


	this->draw_particles(16);

	ofFill();
	ofSetColor(239);
	ofBeginShape();
	ofVertices(outer_vertices);
	ofNextContour(true);
	ofVertices(inner_vertices);
	ofEndShape(true);

	ofNoFill();
	ofSetColor(39);
	ofBeginShape();
	ofVertices(outer_vertices);
	ofNextContour(true);
	ofVertices(inner_vertices);
	ofEndShape(true);

	this->draw_particles(8);
}


//--------------------------------------------------------------
void ofApp::draw_particles(int count) {

	ofSetColor(39);
	for (int i = 0; i < count; i++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		auto location = glm::vec2();
		vector<glm::vec2> vertices;
		for (int k = 0; k < 15; k++) {

			location = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, 0, ofGetHeight()));
			vertices.push_back(location);
		}

		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();

		ofFill();
		ofDrawCircle(location, 8);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

this->inner_size = 150;

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<glm::vec2> outer_vertices = {

glm::vec2(0, 0),

glm::vec2(0, ofGetHeight()),

glm::vec2(ofGetWidth(), ofGetHeight()),

glm::vec2(ofGetWidth(), 0)

};

vector<glm::vec2> inner_vertices = {

glm::vec2(ofGetWidth() * 0.5 - this->inner_size, ofGetHeight() * 0.5 - this->inner_size),

glm::vec2(ofGetWidth() * 0.5 - this->inner_size, ofGetHeight() * 0.5 + this->inner_size),

glm::vec2(ofGetWidth() * 0.5 + this->inner_size, ofGetHeight() * 0.5 + this->inner_size),

glm::vec2(ofGetWidth() * 0.5 + this->inner_size, ofGetHeight() * 0.5 - this->inner_size)

};

this->draw_particles(16);

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(outer_vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(outer_vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

this->draw_particles(8);

}

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

void ofApp::draw_particles(int count) {

ofSetColor(39);

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

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

auto location = glm::vec2();

vector<glm::vec2> vertices;

for (int k = 0; k < 15; k++) {

location = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.005), 0, 1, 0, ofGetHeight()));

vertices.push_back(location);

}

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofFill();

ofDrawCircle(location, 8);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200623

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2020年6月22日2020年6月22日

Connect the intersections of invisible circles. Draw by openFrameworks

[ Video ]

[ About ]
見えない円の交点をつなげる。

Connect the intersections of invisible circles.

[ 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) {};

	float radius;
	vector<pair<glm::vec2, glm::vec2>> particle_list;
	bool calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a);
};

#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) {};

float radius;

vector<pair<glm::vec2, glm::vec2>> particle_list;

bool calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a);

};

#include "ofApp.h"

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

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

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

	this->radius = 50;
	for (auto i = 0; i < 50; i++) {

		auto location = glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
		auto direction = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -3));
		auto particle = make_pair(location, direction);
		this->particle_list.push_back(particle);
	}
}
//--------------------------------------------------------------
void ofApp::update() {

	for (auto& particle : this->particle_list) {

		particle.first += particle.second;

		if (particle.first.y < -this->radius) {

			particle.first = glm::vec2(ofRandom(ofGetWidth()), ofGetHeight() + this->radius);
			particle.second = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -3));
		}
	}
}

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

	for (auto& particle : this->particle_list) {

		/*
		ofSetColor(39, 32);
		ofDrawCircle(particle.first, this->radius);
		*/

		vector<glm::vec2> vertices;
		for (auto& other : this->particle_list) {

			if (particle == other) { continue; }

			double theta, a;
			if (this->calculate_angle(particle.first, this->radius, other.first, this->radius, theta, a)) {

				vertices.push_back(particle.first + glm::vec2(this->radius * cos(theta + a), this->radius * sin(theta + a)));
				vertices.push_back(particle.first + glm::vec2(this->radius * cos(theta - a), this->radius * sin(theta - a)));
			}
		}

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofFill();
		for (auto& vertex : vertices) {

			ofDrawCircle(vertex, 4);
		}
	}
}

//--------------------------------------------------------------
bool ofApp::calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a) {

	auto distance = glm::distance(location_1, location_2);
	if (distance > radius_1 + radius_2 || distance < radius_1 - radius_2) { return false; }

	theta = atan2(location_2.y - location_1.y, location_2.x - location_1.x);
	auto cos_a = (pow(distance, 2) + pow(radius_1, 2) - pow(radius_2, 2)) / (2 * distance * radius_1);
	a = acos(cos_a);
	return 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);

this->radius = 50;

for (auto i = 0; i < 50; i++) {

auto location = glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));

auto direction = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -3));

auto particle = make_pair(location, direction);

this->particle_list.push_back(particle);

}

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

void ofApp::update() {

for (auto& particle : this->particle_list) {

particle.first += particle.second;

if (particle.first.y < -this->radius) {

particle.first = glm::vec2(ofRandom(ofGetWidth()), ofGetHeight() + this->radius);

particle.second = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -3));

}

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

void ofApp::draw() {

for (auto& particle : this->particle_list) {

ofSetColor(39, 32);

ofDrawCircle(particle.first, this->radius);

vector<glm::vec2> vertices;

for (auto& other : this->particle_list) {

if (particle == other) { continue; }

double theta, a;

if (this->calculate_angle(particle.first, this->radius, other.first, this->radius, theta, a)) {

vertices.push_back(particle.first + glm::vec2(this->radius * cos(theta + a), this->radius * sin(theta + a)));

vertices.push_back(particle.first + glm::vec2(this->radius * cos(theta - a), this->radius * sin(theta - a)));

}

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofFill();

for (auto& vertex : vertices) {

ofDrawCircle(vertex, 4);

}

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

bool ofApp::calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a) {

auto distance = glm::distance(location_1, location_2);

if (distance > radius_1 + radius_2 || distance < radius_1 - radius_2) { return false; }

theta = atan2(location_2.y - location_1.y, location_2.x - location_1.x);

auto cos_a = (pow(distance, 2) + pow(radius_1, 2) - pow(radius_2, 2)) / (2 * distance * radius_1);

a = acos(cos_a);

return true;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200622

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