circle – ページ 121 – プログラミング de 落描き

2018年6月7日2018年6月7日

扇スタイル　openFrameworks

[ Video ]

[ About ]
Twitterでフォローしている独楽回しeddyさん(@EKey2210)の投稿からインスパイアさせて頂きました。

扇の円弧の部分だけ線をつけるのがサイバー感を際立たせていてカッコいい。

[ 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(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(139);
}

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

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

	for (int x_index = -1; x_index <= 1; x_index++) {

		for (int y_index = -1; y_index <= 1; y_index++) {

			ofPoint location(x_index * 230, y_index * 230);

			ofPushMatrix();
			ofTranslate(location);

			for (int radius = 30; radius < 100; radius += 8) {

				ofColor color;
				color.setHsb(ofRandom(255), 239, 239);

				int start_noise = ofNoise(location.x * 0.1, radius * 0.05, ofGetFrameNum() * 0.005) * 360;
				int end_noise = ofMap(ofNoise(location.y * 0.1, radius * 0.05, ofGetFrameNum() * 0.01), 0, 1, -90, 360);
				int start_deg = ofRandom(360) + start_noise;
				int end_deg = start_deg + end_noise;

				if (start_deg > end_deg) {

					continue;
				}

				std::vector<ofPoint> vertices;
				for (int deg = start_deg; deg < end_deg; deg += 1) {

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

				ofFill();
				ofSetColor(color, 32);

				ofBeginShape();
				ofVertices(vertices);
				ofVertex(0, 0);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(color);

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

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(139);

}

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

void ofApp::draw() {

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

for (int x_index = -1; x_index <= 1; x_index++) {

for (int y_index = -1; y_index <= 1; y_index++) {

ofPoint location(x_index * 230, y_index * 230);

ofPushMatrix();

ofTranslate(location);

for (int radius = 30; radius < 100; radius += 8) {

ofColor color;

color.setHsb(ofRandom(255), 239, 239);

int start_noise = ofNoise(location.x * 0.1, radius * 0.05, ofGetFrameNum() * 0.005) * 360;

int end_noise = ofMap(ofNoise(location.y * 0.1, radius * 0.05, ofGetFrameNum() * 0.01), 0, 1, -90, 360);

int start_deg = ofRandom(360) + start_noise;

int end_deg = start_deg + end_noise;

if (start_deg > end_deg) {

continue;

}

std::vector<ofPoint> vertices;

for (int deg = start_deg; deg < end_deg; deg += 1) {

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

}

ofFill();

ofSetColor(color, 32);

ofBeginShape();

ofVertices(vertices);

ofVertex(0, 0);

ofEndShape(true);

ofNoFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180607

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2018年6月4日2018年6月4日

うずうずのいず openFrameworks

[ Video ]

[ About ]
インクリメントされたradiusとsin, cosを使って渦を描いて、Noise関数で動きを付けました

[ 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");

	ofNoFill();
	ofSetLineWidth(1.5);
	ofSetColor(39);
}

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

}

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

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

	for (int x = -1; x <= 1; x++) {

		for (int y = -1; y <= 1; y++) {

			ofPoint location(x * 240, y * 240);
			float radius = 15;

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

				ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + location;
				int noise_value = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * 10 - 5;
				noise_value *= 5;
				point = ofPoint((radius + noise_value) * cos(deg * DEG_TO_RAD), (radius + noise_value) * sin(deg * DEG_TO_RAD)) + location;

				ofVertex(point);
				radius += 0.02;
			}
			ofEndShape();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(1.5);

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

for (int x = -1; x <= 1; x++) {

for (int y = -1; y <= 1; y++) {

ofPoint location(x * 240, y * 240);

float radius = 15;

ofBeginShape();

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

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + location;

int noise_value = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * 10 - 5;

noise_value *= 5;

point = ofPoint((radius + noise_value) * cos(deg * DEG_TO_RAD), (radius + noise_value) * sin(deg * DEG_TO_RAD)) + location;

ofVertex(point);

radius += 0.02;

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180604

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2018年6月2日2018年6月2日

からふるライン openFrameworks

[ Video ]

[ About ]
カラフルな円をつなげた線を並べてみました。

[ Source ]

#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 "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);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

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

	for (int x = -1; x <= 1; x++) {

		for (int y = -1; y <= 1; y++) {

			ofPushMatrix();
			ofTranslate(x * 200, y * 200);

			float noise_x_param = ofRandom(1000) + ofGetFrameNum() * 0.01;
			float noise_y_param = ofRandom(1000) + ofGetFrameNum() * 0.01;
			for (int i = 0; i < 100; i++) {

				ofColor circle_color;
				circle_color.setHsb(ofRandom(255), 239, 239);
				ofSetColor(circle_color, 64);

				ofPoint point = ofPoint(ofMap(ofNoise(noise_x_param + i * 0.02), 0, 1, -150, 150), ofMap(ofNoise(noise_y_param + i * 0.02), 0, 1, -150, 150));
				ofDrawCircle(point, 10);
			}

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

for (int x = -1; x <= 1; x++) {

for (int y = -1; y <= 1; y++) {

ofPushMatrix();

ofTranslate(x * 200, y * 200);

float noise_x_param = ofRandom(1000) + ofGetFrameNum() * 0.01;

float noise_y_param = ofRandom(1000) + ofGetFrameNum() * 0.01;

for (int i = 0; i < 100; i++) {

ofColor circle_color;

circle_color.setHsb(ofRandom(255), 239, 239);

ofSetColor(circle_color, 64);

ofPoint point = ofPoint(ofMap(ofNoise(noise_x_param + i * 0.02), 0, 1, -150, 150), ofMap(ofNoise(noise_y_param + i * 0.02), 0, 1, -150, 150));

ofDrawCircle(point, 10);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180602

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Amazon

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