circle – ページ 132 – プログラミング de 落描き

2018年4月6日2018年4月5日

Clocks openFrameworks

[ Video ]

[ About ]
Noiseの値を動画のフレーム数に置き換えて、ピルセルごとで時間の歪みがある動画を作った事があったのですが、そもそも直感的にわかる時計に置き換えたら面白いかなと思い付き。

良き。

[ 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) {};

	// Make Method
	void draw_clock(ofPoint point, int minute, int radius);

	// Make Variable
	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) {};

// Make Method

void draw_clock(ofPoint point, int minute, int radius);

// Make Variable

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofEnableSmoothing();
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 16, true, false, true);
}

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

}

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

	int span = 60;
	for (int x = span; x < ofGetWidth() + span; x += span * 2) {

		for (int y = span; y < ofGetHeight() + span; y += span * 2) {

			int minute = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 720;
			this->draw_clock(ofPoint(x, y), minute, span * 0.95);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_clock(ofPoint point, int minute, int radius){

	ofPushMatrix();
	ofTranslate(point);

	ofNoFill();

	ofBeginShape();
	for (int deg = 0; deg < 360; deg += 1) {

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

	int time = minute / 60;
	minute = minute - time * 60;
	int time_deg = time * 30 + ofMap(minute, 0, 59, 0, 30);
	int minute_deg = minute * 6;

	ofSetLineWidth(5);
	ofDrawLine(ofPoint(), ofPoint(radius * 0.6 * cos(time_deg * DEG_TO_RAD), radius * 0.6 * sin(time_deg * DEG_TO_RAD)));

	ofSetLineWidth(3);
	ofDrawLine(ofPoint(), ofPoint(radius * 0.8 * cos(minute_deg * DEG_TO_RAD), radius * 0.8 * sin(minute_deg * DEG_TO_RAD)));

	ofFill();
	ofDrawCircle(ofPoint(), 5);

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofEnableSmoothing();

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Extrabold.ttf", 16, true, false, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 60;

for (int x = span; x < ofGetWidth() + span; x += span * 2) {

for (int y = span; y < ofGetHeight() + span; y += span * 2) {

int minute = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 720;

this->draw_clock(ofPoint(x, y), minute, span * 0.95);

}

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

void ofApp::draw_clock(ofPoint point, int minute, int radius){

ofPushMatrix();

ofTranslate(point);

ofNoFill();

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

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

}

ofEndShape(true);

int time = minute / 60;

minute = minute - time * 60;

int time_deg = time * 30 + ofMap(minute, 0, 59, 0, 30);

int minute_deg = minute * 6;

ofSetLineWidth(5);

ofDrawLine(ofPoint(), ofPoint(radius * 0.6 * cos(time_deg * DEG_TO_RAD), radius * 0.6 * sin(time_deg * DEG_TO_RAD)));

ofSetLineWidth(3);

ofDrawLine(ofPoint(), ofPoint(radius * 0.8 * cos(minute_deg * DEG_TO_RAD), radius * 0.8 * sin(minute_deg * DEG_TO_RAD)));

ofFill();

ofDrawCircle(ofPoint(), 5);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180405

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2018年3月30日2018年3月29日

丸と線 openFrameworks

[ Video ]

[ About ]
ネットに上がっていた動画を見て、色の反転ってカッコいいなと思いたち。色を変える部分が何だか、わちゃわちゃしているので、もうちょっとスッキリする方法なり機能なりを探さねば…

[ 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) {};

	ofColor color_1, color_2;
};

#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) {};

ofColor color_1, color_2;

};

#include "ofApp.h"

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

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

	this->color_1 = ofColor(239);
	this->color_2 = ofColor(139, 39, 39);

	ofBackground(this->color_1);
	ofSetLineWidth(5);
	ofEnableSmoothing();
}

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

	ofSeedRandom(39);
}

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

	int radius = 200;
	int x_step = 1;

	ofFill();
	ofSetColor(this->color_2);
	ofBeginShape();
	for (int deg = 0; deg < 360; deg++) {

		ofVertex(radius * cos(deg * DEG_TO_RAD) + ofGetWidth() / 2, radius * sin(deg * DEG_TO_RAD) + ofGetHeight() / 2);
	}
	ofEndShape(true);

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

		vector<ofPoint> vertices;
		bool overlap = false;
		float r_1 = ofRandom(0.0003, 0.001);
		float r_2 = ofRandom(0.0005, 0.002);
		for (int x = 0; x < ofGetWidth(); x += x_step) {

			ofPoint point = ofPoint(x, ofMap(ofNoise(i, x * r_1, ofGetFrameNum() * r_2), 0, 1, -ofGetHeight() * 0.2, ofGetHeight() * 1.2));
			if (point.distance(ofPoint(ofGetWidth() / 2, ofGetHeight() / 2)) < radius) {

				if (overlap) {

					vertices.push_back(point);
				}
				else {

					ofSetColor(this->color_2);
					ofBeginShape();
					ofVertices(vertices);
					ofEndShape();

					overlap = true;
					vertices.clear();
				}
			}
			else {

				if (overlap) {

					ofSetColor(this->color_1);
					ofBeginShape();
					ofVertices(vertices);
					ofEndShape();

					overlap = false;
					vertices.clear();
				}
				else {

					vertices.push_back(point);
				}
			}
		}

		overlap ? ofSetColor(this->color_1) : ofSetColor(this->color_2);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

this->color_1 = ofColor(239);

this->color_2 = ofColor(139, 39, 39);

ofBackground(this->color_1);

ofSetLineWidth(5);

ofEnableSmoothing();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int radius = 200;

int x_step = 1;

ofFill();

ofSetColor(this->color_2);

ofBeginShape();

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

ofVertex(radius * cos(deg * DEG_TO_RAD) + ofGetWidth() / 2, radius * sin(deg * DEG_TO_RAD) + ofGetHeight() / 2);

}

ofEndShape(true);

ofNoFill();

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

vector<ofPoint> vertices;

bool overlap = false;

float r_1 = ofRandom(0.0003, 0.001);

float r_2 = ofRandom(0.0005, 0.002);

for (int x = 0; x < ofGetWidth(); x += x_step) {

ofPoint point = ofPoint(x, ofMap(ofNoise(i, x * r_1, ofGetFrameNum() * r_2), 0, 1, -ofGetHeight() * 0.2, ofGetHeight() * 1.2));

if (point.distance(ofPoint(ofGetWidth() / 2, ofGetHeight() / 2)) < radius) {

if (overlap) {

vertices.push_back(point);

}

else {

ofSetColor(this->color_2);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

overlap = true;

vertices.clear();

}

else {

if (overlap) {

ofSetColor(this->color_1);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

overlap = false;

vertices.clear();

}

else {

vertices.push_back(point);

}

overlap ? ofSetColor(this->color_1) : ofSetColor(this->color_2);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180329

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2018年3月27日2018年3月26日

ぐらぐら openFrameworks

[ Video ]

[ About ]
円を90度づつのモノクロにして、ノイズ関数でズラしてみました。ノイズ関数の強弱によって、円の形が見えたり、四角が見えたりするのが面白いですね。

[ 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);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(39);
}

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

	int span = 50;
	for (int radius = 50; radius < ofGetWidth(); radius += span) {

		ofRotate(ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -50, 50));
		int small_radius = radius - span;

		for (int i = 0; i < 2; i++) {

			int deg_start = i * 180;
			vector<ofPoint> vertices;
			for (int deg = deg_start; deg <= deg_start + 90; deg += 1) {

				vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
			}

			for (int deg = deg_start + 90; deg >= deg_start; deg -= 1) {

				vertices.push_back(ofPoint(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));
			}

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

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);

int span = 50;

for (int radius = 50; radius < ofGetWidth(); radius += span) {

ofRotate(ofMap(ofNoise(radius * 0.005 + ofGetFrameNum() * 0.05), 0, 1, -50, 50));

int small_radius = radius - span;

for (int i = 0; i < 2; i++) {

int deg_start = i * 180;

vector<ofPoint> vertices;

for (int deg = deg_start; deg <= deg_start + 90; deg += 1) {

vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

}

for (int deg = deg_start + 90; deg >= deg_start; deg -= 1) {

vertices.push_back(ofPoint(small_radius * cos(deg * DEG_TO_RAD), small_radius * sin(deg * DEG_TO_RAD)));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180326

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