2018年3月 – ページ 3 – プログラミング de 落描き

2018年3月25日2018年3月24日

サークル × ライン openFraeworks

[ Video ]

[ About ]
SNSで円周上から線が伸びて綺麗な模様を作っていらっしゃる方がいたのでマネし(パクり)ました。個人的には青色が好み。

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

	ofNoFill();
	ofSetColor(239, 39, 39, 139);
	// ofSetColor(39, 239, 39, 139);
	// ofSetColor(39, 39, 239, 139);

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

}

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

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

	float radius = 200;
	for (int deg_param = 0; deg_param < 360 * 2; deg_param += 1) {

		float deg = deg_param + 0.5;
		float x = radius * cos(deg * DEG_TO_RAD);
		float y = radius * sin(deg * DEG_TO_RAD);

		ofPushMatrix();
		ofTranslate(x, y);

		ofBeginShape();
		float line_y = 0;
		while (line_y > -ofGetHeight() / 2 - y) {

			float noise_value = ofNoise(x * 0.005, y * 0.005, line_y * 0.0005 + ofGetFrameNum() * 0.005);
			if (noise_value < 0.45) {

				break;
			}

			float line_x = ofMap(noise_value, 0, 1, -ofGetWidth(), ofGetWidth());
			if (line_y == 0) {

				ofTranslate(-line_x, 0);
			}

			ofVertex(ofPoint(line_x, line_y));

			line_y -= ofMap(noise_value, 0, 1, 0, 1.5);
		}
		ofEndShape();
		ofPopMatrix();
	}

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239, 39, 39, 139);

// ofSetColor(39, 239, 39, 139);

// ofSetColor(39, 39, 239, 139);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

float radius = 200;

for (int deg_param = 0; deg_param < 360 * 2; deg_param += 1) {

float deg = deg_param + 0.5;

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

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

ofPushMatrix();

ofTranslate(x, y);

ofBeginShape();

float line_y = 0;

while (line_y > -ofGetHeight() / 2 - y) {

float noise_value = ofNoise(x * 0.005, y * 0.005, line_y * 0.0005 + ofGetFrameNum() * 0.005);

if (noise_value < 0.45) {

break;

}

float line_x = ofMap(noise_value, 0, 1, -ofGetWidth(), ofGetWidth());

if (line_y == 0) {

ofTranslate(-line_x, 0);

}

ofVertex(ofPoint(line_x, line_y));

line_y -= ofMap(noise_value, 0, 1, 0, 1.5);

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180324

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2018年3月24日2018年3月23日

カラー水玉 openFrameworks

[ Video ]

[ About ]
昨日のやつに色を付けて、ぐるぐる回してみました。均等に円が配置されるのも確認が出来る！

[ 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) {};
};

#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");
}

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

}

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

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

	float radius = 50;
	float small_radius = 0;
	int deg_span = 8;
	for (int i = 0; radius < 330; i++) {

		if (small_radius == 0) {

			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			small_radius = p1.distance(p2) * 0.5;
		}

		float noise_value = ofNoise(i * 0.05 + ofGetFrameNum() * 0.01);
		ofPushMatrix();
		ofRotate(noise_value * 360);

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

			ofColor circle_color;
			circle_color.setHsb(ofMap(deg, 0, 360, 0, 255), 239, 239);
			ofSetColor(circle_color, 139 + 39);

			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			ofDrawCircle(point, small_radius);
		}

		float next_small_radius = 0;
		float tmp_radius = radius;
		while (radius < tmp_radius + small_radius + next_small_radius) {

			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			next_small_radius = p1.distance(p2) * 0.5;

			radius += 0.01;
		}

		small_radius = next_small_radius;

		ofPopMatrix();
	}
}

//========================================================================
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 = 50;

float small_radius = 0;

int deg_span = 8;

for (int i = 0; radius < 330; i++) {

if (small_radius == 0) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

small_radius = p1.distance(p2) * 0.5;

}

float noise_value = ofNoise(i * 0.05 + ofGetFrameNum() * 0.01);

ofPushMatrix();

ofRotate(noise_value * 360);

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

ofColor circle_color;

circle_color.setHsb(ofMap(deg, 0, 360, 0, 255), 239, 239);

ofSetColor(circle_color, 139 + 39);

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

ofDrawCircle(point, small_radius);

}

float next_small_radius = 0;

float tmp_radius = radius;

while (radius < tmp_radius + small_radius + next_small_radius) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

next_small_radius = p1.distance(p2) * 0.5;

radius += 0.01;

}

small_radius = next_small_radius;

ofPopMatrix();

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180323

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2018年3月23日2018年3月22日

水玉のいず openFrameworks

[ Video ]

[ About ]
円周上に隙間を作らない形で円を並べたいなぁと何となく思たち。

その目的自体は割と早く作れたのですが、円周を重ねて順々に大きくしたいっ！と思った結果、ドツボにハマりました。結局、ループでちょっと(0.1)ずつ大きくして良い感じの半径を見つけるというショボい実装に…

ちなみに、動画ではNoiseで円の大きさを変えているので綺麗に並んでい姿は確認不可です。

[ 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() {

	int deg_span = 8;
	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2);
	ofRotate(deg_span * 0.5f);

	float radius = 50;
	float small_radius = 0;
	for (int i = 0; radius < 330; i++) {

		if (small_radius == 0) {
			
			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			small_radius = p1.distance(p2) * 0.5;
		}

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

			float noise_value = ofMap(ofNoise(i * 0.1, deg * 0.02 + ofGetFrameNum() * 0.03), 0, 1, 0, 1);
			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			ofDrawCircle(point, small_radius * noise_value);
		}

		float next_small_radius = 0;
		float tmp_radius = radius;
		while (radius < tmp_radius + small_radius + next_small_radius) {

			ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));
			ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));
			next_small_radius = p1.distance(p2) * 0.5;

			radius += 0.1;
		}

		small_radius = next_small_radius;
	}
}

//========================================================================
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() {

int deg_span = 8;

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

ofRotate(deg_span * 0.5f);

float radius = 50;

float small_radius = 0;

for (int i = 0; radius < 330; i++) {

if (small_radius == 0) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

small_radius = p1.distance(p2) * 0.5;

}

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

float noise_value = ofMap(ofNoise(i * 0.1, deg * 0.02 + ofGetFrameNum() * 0.03), 0, 1, 0, 1);

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

ofDrawCircle(point, small_radius * noise_value);

}

float next_small_radius = 0;

float tmp_radius = radius;

while (radius < tmp_radius + small_radius + next_small_radius) {

ofPoint p1 = ofPoint(radius * cos(0), radius * sin(0));

ofPoint p2 = ofPoint(radius * cos(deg_span * DEG_TO_RAD), radius * sin(deg_span * DEG_TO_RAD));

next_small_radius = p1.distance(p2) * 0.5;

radius += 0.1;

}

small_radius = next_small_radius;

}

//========================================================================

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180322

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Amazon

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