circle – ページ 123 – プログラミング de 落描き

2018年5月27日2018年5月27日

1 / 24 openFrameworks

[ Video ]

[ About ]
円を15度づつ分解して、それぞれで透過度を変えています。

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

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

}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);
	
	float radius = 325;
	int deg_span = 15;
	for (int deg = 0; deg < 360; deg += deg_span) {

		float noise_x = radius * cos((deg + deg_span / 2) * DEG_TO_RAD);
		float noise_y = radius * sin((deg + deg_span / 2) * DEG_TO_RAD);
		float noise_value = ofNoise(noise_x * 0.003, noise_y * 0.003, ofGetFrameNum() * 0.005);
		ofSetColor(39, 39, 239, noise_value * 255);

		ofBeginShape();
		for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

			float x = radius * cos(tmp_deg * DEG_TO_RAD);
			float y = radius * sin(tmp_deg * DEG_TO_RAD);
			ofVertex(x, y);
		}
		ofVertex(0, 0);
		ofEndShape(true);
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

float radius = 325;

int deg_span = 15;

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

float noise_x = radius * cos((deg + deg_span / 2) * DEG_TO_RAD);

float noise_y = radius * sin((deg + deg_span / 2) * DEG_TO_RAD);

float noise_value = ofNoise(noise_x * 0.003, noise_y * 0.003, ofGetFrameNum() * 0.005);

ofSetColor(39, 39, 239, noise_value * 255);

ofBeginShape();

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

float x = radius * cos(tmp_deg * DEG_TO_RAD);

float y = radius * sin(tmp_deg * DEG_TO_RAD);

ofVertex(x, y);

}

ofVertex(0, 0);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180527

2018年5月23日2018年5月23日

カラフルな円のスライス openFrameworks

[ Video ]

[ About ]
昨日のヤツに、色＋角度を加えました。一つだとイマイチだったけど、並べてみたら綺麗になった(気がする)

[ 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_line_circle(ofPoint point);
};

#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_line_circle(ofPoint point);

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

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

	this->draw_line_circle(ofPoint(-230, -230));
	this->draw_line_circle(ofPoint(0, -230));
	this->draw_line_circle(ofPoint(230, -230));

	this->draw_line_circle(ofPoint(-230, 0));
	this->draw_line_circle(ofPoint(0, 0));
	this->draw_line_circle(ofPoint(230, 0));

	this->draw_line_circle(ofPoint(-230, 230));
	this->draw_line_circle(ofPoint(0, 230));
	this->draw_line_circle(ofPoint(230, 230));
}

//--------------------------------------------------------------
void ofApp::draw_line_circle(ofPoint point) {

	ofPushMatrix();
	ofTranslate(point);

	int radius = 100;
	for (int line = 0; line < 18; line++) {

		ofColor color;
		color.setHsb(ofRandom(255), 200, 200);
		ofSetColor(color);

		ofRotate(ofRandom(360));

		int start_deg = ofRandom(180) + ofGetFrameNum();
		int end_deg = start_deg + 8;

		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)));
		}

		for (int deg = 360 - end_deg; deg <= 360 - start_deg; deg += 1) {

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

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

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

this->draw_line_circle(ofPoint(-230, -230));

this->draw_line_circle(ofPoint(0, -230));

this->draw_line_circle(ofPoint(230, -230));

this->draw_line_circle(ofPoint(-230, 0));

this->draw_line_circle(ofPoint(0, 0));

this->draw_line_circle(ofPoint(230, 0));

this->draw_line_circle(ofPoint(-230, 230));

this->draw_line_circle(ofPoint(0, 230));

this->draw_line_circle(ofPoint(230, 230));

}

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

void ofApp::draw_line_circle(ofPoint point) {

ofPushMatrix();

ofTranslate(point);

int radius = 100;

for (int line = 0; line < 18; line++) {

ofColor color;

color.setHsb(ofRandom(255), 200, 200);

ofSetColor(color);

ofRotate(ofRandom(360));

int start_deg = ofRandom(180) + ofGetFrameNum();

int end_deg = start_deg + 8;

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)));

}

for (int deg = 360 - end_deg; deg <= 360 - start_deg; deg += 1) {

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

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180523

2018年5月22日2018年5月22日

円をスライス openFrameworks

[ Video ]

[ About ]
円をスライス！

[ 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");

	ofNoFill();
	ofSetLineWidth(2);
	ofSetColor(239, 39, 39);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);
	ofRotate(270);

	int deg_span = 3;
	for (int start_deg = 0; start_deg < 180; start_deg += deg_span) {

		float noise_value = ofNoise(start_deg * 0.05 + ofGetFrameNum() * 0.03);
		if (noise_value < 0.5) {

			continue;
		}

		int end_deg = start_deg + deg_span;

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

			vertices.push_back(ofPoint(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD)));
		}

		for (int deg = 360 - end_deg; deg <= 360 - start_deg; deg += 1) {

			vertices.push_back(ofPoint(300 * cos(deg * DEG_TO_RAD), 300 * 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(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(2);

ofSetColor(239, 39, 39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

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

ofRotate(270);

int deg_span = 3;

for (int start_deg = 0; start_deg < 180; start_deg += deg_span) {

float noise_value = ofNoise(start_deg * 0.05 + ofGetFrameNum() * 0.03);

if (noise_value < 0.5) {

continue;

}

int end_deg = start_deg + deg_span;

vector<ofPoint> vertices;

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

vertices.push_back(ofPoint(300 * cos(deg * DEG_TO_RAD), 300 * sin(deg * DEG_TO_RAD)));

}

for (int deg = 360 - end_deg; deg <= 360 - start_deg; deg += 1) {

vertices.push_back(ofPoint(300 * cos(deg * DEG_TO_RAD), 300 * 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/Insta20180522

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