2018年7月 – ページ 7 – プログラミング de 落描き

2018年7月13日2018年7月13日

Particle System 20180713 openFrameworks

[ Video ]

[ About ]
パーティクルは近くのパーティクル同士で線を引きます。そして、パーティクルのサイズは線の数で変動します。

Particles draw lines with nearby particles. And, Particles size decision by count of line.

[ 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);
	ofSetWindowTitle("Insta");

	ofBackground(239);
	ofSetColor(39);
}

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

	ofSeedRandom(39);
}

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

	vector<ofPoint> points;
	vector<int> sizes;
	for (int i = 0; i < 192; i++) {

		ofPoint point(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));
		points.push_back(point);
		sizes.push_back(1);
	}

	for (int out_index = 0; out_index < points.size(); out_index++) {

		for (int in_index = out_index + 1; in_index < points.size(); in_index++) {

			if (points[out_index].distance(points[in_index]) < 50) {

				ofDrawLine(points[out_index], points[in_index]);
				sizes[out_index]++;
				sizes[in_index]++;
			}
		}
	}

	for (int i = 0; i < points.size(); i++) {

		ofDrawCircle(points[i], sizes[i]);
	}

}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

vector<ofPoint> points;

vector<int> sizes;

for (int i = 0; i < 192; i++) {

ofPoint point(ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.0005), 0, 1, 0, ofGetHeight()));

points.push_back(point);

sizes.push_back(1);

}

for (int out_index = 0; out_index < points.size(); out_index++) {

for (int in_index = out_index + 1; in_index < points.size(); in_index++) {

if (points[out_index].distance(points[in_index]) < 50) {

ofDrawLine(points[out_index], points[in_index]);

sizes[out_index]++;

sizes[in_index]++;

}

for (int i = 0; i < points.size(); i++) {

ofDrawCircle(points[i], sizes[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180713

[ほしいものリスト]
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2018年7月12日2018年7月12日

Noisy Rectangle openFrameworks

[ Video ]

[ About ]
Noise関数で辺の長さを可変にした四角(?)

I drawed a square(?) with a different side length using noise method.

[ 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 len, int deg, int z = 0);
};

#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 len, int deg, int z = 0);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
}

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

	ofColor line_color;
	int rect_len = 144;
	for (int x = rect_len / 2; x <= ofGetWidth() - rect_len / 2; x += rect_len) {

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

			float random_value = ofRandom(1000);

			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				ofPoint rect_point = this->make_rect_point(rect_len, deg);
				int noise_value = ofNoise(random_value, rect_point.x * 0.001, rect_point.y * 0.001, ofGetFrameNum() * 0.005) * 10;
				ofPoint point = this->make_rect_point(rect_len * noise_value * 0.1, deg) + ofPoint(x, y);

				ofVertex(point);
			}
			ofEndShape(true);
		}
	}
}

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

	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), z);
	case 1:

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

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

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

		return ofPoint(0, 0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofColor line_color;

int rect_len = 144;

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

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

float random_value = ofRandom(1000);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

ofPoint rect_point = this->make_rect_point(rect_len, deg);

int noise_value = ofNoise(random_value, rect_point.x * 0.001, rect_point.y * 0.001, ofGetFrameNum() * 0.005) * 10;

ofPoint point = this->make_rect_point(rect_len * noise_value * 0.1, deg) + ofPoint(x, y);

ofVertex(point);

}

ofEndShape(true);

}

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

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

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), z);

case 1:

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

case 2:

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

case 3:

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

default:

return ofPoint(0, 0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180712

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年7月11日2018年7月11日

36 Line Circles openFrameworks

[ Video ]

[ About ]
36本の線で構成された円たち

The circles made up of 36 lines.

[ 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 len, int deg, int z = 0);
};

#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 len, int deg, int z = 0);

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	int circle_radius = 72;
	int rect_len = 144;

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

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

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

				ofPoint noise_point = ofPoint(circle_radius * cos(deg * DEG_TO_RAD) + x, circle_radius * sin(deg * DEG_TO_RAD) + y);
				float noise_value = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.2, 1.2);

				ofPushMatrix();
				ofTranslate(x, y);

				ofPoint circle_point = ofPoint(circle_radius * noise_value * cos(deg * DEG_TO_RAD), circle_radius * noise_value * sin(deg * DEG_TO_RAD));
				ofPoint rect_point = this->make_rect_point(rect_len, deg);

				ofDrawLine(circle_point, rect_point);
				ofDrawCircle(circle_point, 2);

				ofPopMatrix();
			}
		}
	}
}

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

	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), z);
	case 1:

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

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

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

		return ofPoint(0, 0, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(39);

ofSetColor(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int circle_radius = 72;

int rect_len = 144;

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

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

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

ofPoint noise_point = ofPoint(circle_radius * cos(deg * DEG_TO_RAD) + x, circle_radius * sin(deg * DEG_TO_RAD) + y);

float noise_value = ofMap(ofNoise(noise_point.x * 0.005, noise_point.y * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0.2, 1.2);

ofPushMatrix();

ofTranslate(x, y);

ofPoint circle_point = ofPoint(circle_radius * noise_value * cos(deg * DEG_TO_RAD), circle_radius * noise_value * sin(deg * DEG_TO_RAD));

ofPoint rect_point = this->make_rect_point(rect_len, deg);

ofDrawLine(circle_point, rect_point);

ofDrawCircle(circle_point, 2);

ofPopMatrix();

}

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

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

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), z);

case 1:

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

case 2:

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

case 3:

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

default:

return ofPoint(0, 0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180711

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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