circle – ページ 83 – プログラミング de 落描き

2019年8月23日2019年8月23日

Rotating alphabet. openFrameworks

[ Video ]

[ About ]
回転アルファベット。

Rotating alphabet.

[ 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) {};

	vector<ofPath> chara_path;
};

#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) {};

vector<ofPath> chara_path;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	
	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

	for (char c = 'A'; c <= 'Z'; c++) {

		this->chara_path.push_back(font.getCharacterAsPoints(c, true, false));
	}
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

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

	auto outer = 0;
	for (auto radius = 80; radius < ofGetWidth(); radius++) {

		auto deg_span = 14;
		auto font_size = (2 * PI * radius / 360) * deg_span;

		if (outer < radius - font_size * 0.5) {

			ofGetFill() ? ofNoFill() : ofFill();
			ofRotate(ofGetFrameNum() * 0.1);
			int char_index = 0;

			for (auto deg = 0; deg < 360; deg += deg_span) {

				auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				char_index = (char_index + 1) % this->chara_path.size();

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

				auto outline = this->chara_path[char_index].getOutline();

				ofBeginShape();
				for (int line_index = 0; line_index < outline.size(); line_index++) {

					if (line_index != 0) { ofNextContour(true); }

					auto vertices = outline[line_index].getVertices();
					for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

						auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);
						ofVertex(point);
					}
				}
				ofEndShape(true);

				ofPopMatrix();
			}

			outer = radius + font_size * 0.5;
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

for (char c = 'A'; c <= 'Z'; c++) {

this->chara_path.push_back(font.getCharacterAsPoints(c, true, false));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofNoFill();

auto outer = 0;

for (auto radius = 80; radius < ofGetWidth(); radius++) {

auto deg_span = 14;

auto font_size = (2 * PI * radius / 360) * deg_span;

if (outer < radius - font_size * 0.5) {

ofGetFill() ? ofNoFill() : ofFill();

ofRotate(ofGetFrameNum() * 0.1);

int char_index = 0;

for (auto deg = 0; deg < 360; deg += deg_span) {

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

char_index = (char_index + 1) % this->chara_path.size();

ofPushMatrix();

ofTranslate(location);

ofRotate(deg + 90);

auto outline = this->chara_path[char_index].getOutline();

ofBeginShape();

for (int line_index = 0; line_index < outline.size(); line_index++) {

if (line_index != 0) { ofNextContour(true); }

auto vertices = outline[line_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5);

ofVertex(point);

}

ofEndShape(true);

ofPopMatrix();

}

outer = radius + font_size * 0.5;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190823

2019年8月21日2019年8月21日

Circular belt. openFrameworks

[ Video ]

[ About ]
円形帯。

Circular belt.

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

	ofSeedRandom(39);
}

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

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

	auto height = 15;
	for (auto radius = 30; radius < 350; radius += 30) {

		ofPushMatrix();
		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		auto deg_start = ofGetFrameNum() * 5 + radius;
		auto deg_width = 120;

		ofFill();
		for (auto deg = deg_start; deg < deg_start + deg_width; deg += 3) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD), height * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD), height * 0.5));
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

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

		vector<glm::vec3> line_1, line_2;
		for (auto deg = 0; deg < 360; deg++) {

			line_1.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));
			line_2.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));
		}

		ofNoFill();

		ofBeginShape();
		ofVertices(line_1);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(line_2);
		ofEndShape(true);

		ofPopMatrix();
	}

	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();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

auto height = 15;

for (auto radius = 30; radius < 350; radius += 30) {

ofPushMatrix();

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

auto deg_start = ofGetFrameNum() * 5 + radius;

auto deg_width = 120;

ofFill();

for (auto deg = deg_start; deg < deg_start + deg_width; deg += 3) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 3) * DEG_TO_RAD), radius * sin((deg + 3) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

vector<glm::vec3> line_1, line_2;

for (auto deg = 0; deg < 360; deg++) {

line_1.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));

line_2.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

}

ofNoFill();

ofBeginShape();

ofVertices(line_1);

ofEndShape(true);

ofBeginShape();

ofVertices(line_2);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190821

2019年8月14日

Circle wave. openFrameworks

[ Video ]

[ About ]
円波。

Circle wave.

[ 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);
	ofSetLineWidth(2);

}

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

}

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

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

	auto span = 15;
	for (auto radius = 50; radius < 340; radius += span) {

		auto small_radius = radius;
		auto big_radius = radius + span;

		auto noise_deg = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.01), 0, 1, 1, 500);
		if (noise_deg > 360) { noise_deg = 360; }
		vector<glm::vec2> in, out;
		for (auto deg = 0; deg < noise_deg; deg++) {

			in.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			out.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));
		}

		reverse(out.begin(), out.end());

		ofSetColor(39);
		ofFill();

		ofBeginShape();
		ofVertices(in);
		ofVertices(out);
		ofEndShape(true);

		vector<glm::vec2> small_circle, big_circle;
		for (auto deg = 0; deg < 360; deg++) {

			small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));
		}

		ofSetColor(39);
		ofNoFill();

		ofBeginShape();
		ofVertices(small_circle);
		ofEndShape(true);

		ofBeginShape();
		ofVertices(big_circle);
		ofEndShape(true);

		ofSetColor(239);
		ofNoFill();

		ofBeginShape();
		ofVertices(in);
		ofVertices(out);
		ofEndShape(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);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

auto span = 15;

for (auto radius = 50; radius < 340; radius += span) {

auto small_radius = radius;

auto big_radius = radius + span;

auto noise_deg = ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.01), 0, 1, 1, 500);

if (noise_deg > 360) { noise_deg = 360; }

vector<glm::vec2> in, out;

for (auto deg = 0; deg < noise_deg; deg++) {

in.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

out.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

}

reverse(out.begin(), out.end());

ofSetColor(39);

ofFill();

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

vector<glm::vec2> small_circle, big_circle;

for (auto deg = 0; deg < 360; deg++) {

small_circle.push_back(glm::vec2(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

big_circle.push_back(glm::vec2(big_radius * cos(deg * DEG_TO_RAD), big_radius * sin(deg * DEG_TO_RAD)));

}

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertices(small_circle);

ofEndShape(true);

ofBeginShape();

ofVertices(big_circle);

ofEndShape(true);

ofSetColor(239);

ofNoFill();

ofBeginShape();

ofVertices(in);

ofVertices(out);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190814

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