noise – ページ 378 – プログラミング de 落描き

2018年5月26日

四角の中で暴れる四角 openFrameworks

[ Video ]

[ About ]
四角の中で暴れる四角を描きました。座標とNoise関数でズラしながら描きましたが、再帰にすれば良かったと後から気づく。

[ 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");

	ofNoFill();
	ofSetColor(239);
	ofSetLineWidth(1.5);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	int rect_size = 144;
	float noise_param_x = ofRandom(1000);
	float noise_param_y = ofRandom(1000);

	for (int x = rect_size / 2; x <= ofGetWidth() - rect_size  /2; x += rect_size) {

		for (int y = rect_size / 2; y <= ofGetHeight() - rect_size / 2; y += rect_size) {

			ofPushMatrix();
			ofTranslate(x, y);

			for (int size = rect_size; size > 0; size -= rect_size / 6) {

				ofDrawRectangle(ofPoint(), size, size);

				int tmp_x = ofMap(ofNoise(noise_param_x + size * 0.005, x * 0.005 , y * 0.005, ofGetFrameNum() * 0.02), 0, 1, -rect_size / 12, rect_size / 12);
				int tmp_y = ofMap(ofNoise(noise_param_y + size * 0.005, x * 0.005 , y * 0.005, ofGetFrameNum() * 0.02), 0, 1, -rect_size / 12, rect_size / 12);
				ofTranslate(tmp_x, tmp_y);
			}

			ofPopMatrix();
		}
	}

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(239);

ofSetLineWidth(1.5);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int rect_size = 144;

float noise_param_x = ofRandom(1000);

float noise_param_y = ofRandom(1000);

for (int x = rect_size / 2; x <= ofGetWidth() - rect_size /2; x += rect_size) {

for (int y = rect_size / 2; y <= ofGetHeight() - rect_size / 2; y += rect_size) {

ofPushMatrix();

ofTranslate(x, y);

for (int size = rect_size; size > 0; size -= rect_size / 6) {

ofDrawRectangle(ofPoint(), size, size);

int tmp_x = ofMap(ofNoise(noise_param_x + size * 0.005, x * 0.005 , y * 0.005, ofGetFrameNum() * 0.02), 0, 1, -rect_size / 12, rect_size / 12);

int tmp_y = ofMap(ofNoise(noise_param_y + size * 0.005, x * 0.005 , y * 0.005, ofGetFrameNum() * 0.02), 0, 1, -rect_size / 12, rect_size / 12);

ofTranslate(tmp_x, tmp_y);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180526

2018年5月25日2018年5月25日

Boxの集合体 openFrameowrks

[ Video ]

[ About ]
BoxをX, Y, Z方向に敷き詰めて大きなBox集合体を構成しています。それぞれのBoxは座標情報とフレーム数を引数としたNoise関数の値で、大きさを変えており、法則性のようなものが垣間見えます。

[ 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) {};
	
	ofEasyCam cam;
};

#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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);

	int aggregation_size = 720;
	int box_size = 72;
	ofColor box_color;
	for (int x = -aggregation_size / 2; x <= aggregation_size / 2; x += box_size) {

		for (int y = -aggregation_size / 2; y <= aggregation_size / 2; y += box_size) {

			for (int z = -aggregation_size / 2; z <= aggregation_size / 2; z += box_size) {

				float noise_value = ofNoise(x * 0.004, y * 0.004, z * 0.004, ofGetFrameNum() * 0.005);
				noise_value = noise_value > 0.5 ? 1 : noise_value;
				
				box_color.setHsb(ofRandom(255), 225, 225);
				ofSetColor(box_color);

				ofDrawBox(ofPoint(x, y, z), box_size * noise_value);
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

int aggregation_size = 720;

int box_size = 72;

ofColor box_color;

for (int x = -aggregation_size / 2; x <= aggregation_size / 2; x += box_size) {

for (int y = -aggregation_size / 2; y <= aggregation_size / 2; y += box_size) {

for (int z = -aggregation_size / 2; z <= aggregation_size / 2; z += box_size) {

float noise_value = ofNoise(x * 0.004, y * 0.004, z * 0.004, ofGetFrameNum() * 0.005);

noise_value = noise_value > 0.5 ? 1 : noise_value;

box_color.setHsb(ofRandom(255), 225, 225);

ofSetColor(box_color);

ofDrawBox(ofPoint(x, y, z), box_size * noise_value);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180525

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

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