noise – ページ 377 – プログラミング de 落描き

2018年5月31日2018年5月31日

不揃いなしかく達 openFrameworks

[ Video ]

[ About ]
Noise関数で揺れるしかくを並べてみました。

[ 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) {};

	// Make Method
	ofPoint make_rect_point(float half_len, int deg);
};

#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

ofPoint make_rect_point(float half_len, int deg);

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofSetColor(239);
}

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

}

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

	int len = 89;

	for (int x = len * 0.5; x <= ofGetWidth() - len * 0.5; x += len + 1) {

		for (int y = len * 0.5; y <= ofGetHeight() - len * 0.5; y += len + 1) {

			ofPushMatrix();
			ofTranslate(x, y);

			int deg_start = ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.005), 0, 1, 0, 720);
			int deg_end = deg_start + ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.005), 0, 1, 45, 225);

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

				ofVertex(this->make_rect_point(len, deg));
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
ofPoint ofApp::make_rect_point(float len, int deg) {

	int half_len = len * 0.5;
	int param = (deg + 45) / 90;
	
	ofPoint point;

	switch (param % 4) {

	case 0:

		return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len));
	case 1:

		return  ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len);
	case 2:

		return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len));
	case 3:

		return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len);
	default:

		return ofPoint(0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofSetColor(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 89;

for (int x = len * 0.5; x <= ofGetWidth() - len * 0.5; x += len + 1) {

for (int y = len * 0.5; y <= ofGetHeight() - len * 0.5; y += len + 1) {

ofPushMatrix();

ofTranslate(x, y);

int deg_start = ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.005), 0, 1, 0, 720);

int deg_end = deg_start + ofMap(ofNoise(x * 0.01, y * 0.01, ofGetFrameNum() * 0.005), 0, 1, 45, 225);

ofBeginShape();

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

ofVertex(this->make_rect_point(len, deg));

}

ofEndShape(true);

ofPopMatrix();

}

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

ofPoint ofApp::make_rect_point(float len, int deg) {

int half_len = len * 0.5;

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

return ofPoint(half_len, ofMap((deg + 45) % 90, 0, 89, -half_len, half_len));

case 1:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, half_len, -half_len), half_len);

case 2:

return ofPoint(-half_len, ofMap((deg + 45) % 90, 0, 89, half_len, -half_len));

case 3:

return ofPoint(ofMap((deg + 45) % 90, 0, 89, -half_len, half_len), -half_len);

default:

return ofPoint(0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180531

2018年5月30日2018年5月30日

ねんりんの輪 openFrameworks

[ Video ]

[ About ]
円を重ねを円形に配置して、Noise関数で個数を変更しています。

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

	ofNoFill();
	ofSetColor(239);
}

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

}

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

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

	float radius = 150;
	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, 1, 10);
			ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			for (int tmp_noise_value = 0; tmp_noise_value <= noise_value; tmp_noise_value += 2) {
				
				ofDrawCircle(point, small_radius * tmp_noise_value * 0.1);
			}
		}

		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(30);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

int deg_span = 8;

ofRotate(deg_span * 0.5f);

float radius = 150;

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, 1, 10);

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

for (int tmp_noise_value = 0; tmp_noise_value <= noise_value; tmp_noise_value += 2) {

ofDrawCircle(point, small_radius * tmp_noise_value * 0.1);

}

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/Insta20180530

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

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