Connect the circles. Draw by openFrameworks – プログラミング de 落描き

[ Video ]

[ About ]
円をつなぐ線を書く。
凄く昔の落書きのリメイク。

Draw a line connecting the circles.
A remake of a very old doodle.

[ 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) {}
};

#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) {}

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

}

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

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

	int radius = 80;
	int location_radius = 230;
	int deg_span = 60;

	for (int deg = 0; deg < 360; deg += 10) {

		int tmp_deg = deg + ofGetFrameNum() * 0.5;
		vector<glm::vec2> vertices;
		for (int location_deg = 0; location_deg < 360; location_deg += deg_span) {

			auto base_location = glm::vec2(location_radius * cos(location_deg * DEG_TO_RAD), location_radius * sin(location_deg * DEG_TO_RAD));
			auto location = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

			vertices.push_back(base_location + location);
			tmp_deg += 120;
		}

		ofColor color = ofColor();
		color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 230);
		ofSetColor(color);

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

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

			ofDrawCircle(vertex, 3.5);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int radius = 80;

int location_radius = 230;

int deg_span = 60;

for (int deg = 0; deg < 360; deg += 10) {

int tmp_deg = deg + ofGetFrameNum() * 0.5;

vector<glm::vec2> vertices;

for (int location_deg = 0; location_deg < 360; location_deg += deg_span) {

auto base_location = glm::vec2(location_radius * cos(location_deg * DEG_TO_RAD), location_radius * sin(location_deg * DEG_TO_RAD));

auto location = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

vertices.push_back(base_location + location);

tmp_deg += 120;

}

ofColor color = ofColor();

color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 230);

ofSetColor(color);

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofFill();

for (auto vertex : vertices) {

ofDrawCircle(vertex, 3.5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210824

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