programming – ページ 618 – プログラミング de 落描き

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

2018年7月9日2018年7月9日

Font Path x Noise openframeworks

[ Video ]

[ About ]
ofTrueTypeFontから取得した文字の座標をNoise関数で歪めました。

I distorted characters with noise method.
Noise method parameter is coordinate.

[ 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) {};

	ofTrueTypeFont font;
	int font_size;
};

#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) {};

ofTrueTypeFont font;

int font_size;

};

#include "ofApp.h"

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

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

	ofNoFill();
	ofSetColor(239);
	ofSetLineWidth(2);

	this->font_size = 100;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

}

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

	vector<char> charactors = { 'A', 'B', 'C', 'D', 'E', 'F',
		'G', 'H', 'I', 'J', 'K', 'L',
		'M', 'N', 'O', 'P', 'Q', 'R',
		'S', 'T', 'U', 'V', 'W', 'X',
		'Y', 'Z', '!' };
	int sample_count = 180;
	for (int charactor_index = 0; charactor_index < charactors.size(); charactor_index++) {

		ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);
		vector<ofPolyline> outline = path.getOutline();

		ofPoint location = ofPoint(charactor_index % 6 * this->font_size * 1.2 + this->font_size * 0.7, charactor_index / 6 * this->font_size * 1.4 + this->font_size * 0.7);
		ofPushMatrix();
		ofTranslate(location);

		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index == 0) { ofNextContour(true); }

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();

			ofBeginShape();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);
				ofPoint noise_point = location + point;
				int noise_value = ofMap(ofNoise(noise_point.x * 0.001, noise_point.y * 0.001, ofGetFrameNum() * 0.008), 0, 1, 0.2, 1.2) * 10;

				ofVertex(point * noise_value * 0.1);
			}
			ofEndShape(true);
		}

		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(2);

this->font_size = 100;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

vector<char> charactors = { 'A', 'B', 'C', 'D', 'E', 'F',

'G', 'H', 'I', 'J', 'K', 'L',

'M', 'N', 'O', 'P', 'Q', 'R',

'S', 'T', 'U', 'V', 'W', 'X',

'Y', 'Z', '!' };

int sample_count = 180;

for (int charactor_index = 0; charactor_index < charactors.size(); charactor_index++) {

ofPath path = this->font.getCharacterAsPoints(charactors[charactor_index], true, false);

vector<ofPolyline> outline = path.getOutline();

ofPoint location = ofPoint(charactor_index % 6 * this->font_size * 1.2 + this->font_size * 0.7, charactor_index / 6 * this->font_size * 1.4 + this->font_size * 0.7);

ofPushMatrix();

ofTranslate(location);

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index == 0) { ofNextContour(true); }

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

ofBeginShape();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

ofPoint point(vertices[vertices_index].x - this->font_size * 0.5, vertices[vertices_index].y + this->font_size * 0.5, vertices[vertices_index].z);

ofPoint noise_point = location + point;

int noise_value = ofMap(ofNoise(noise_point.x * 0.001, noise_point.y * 0.001, ofGetFrameNum() * 0.008), 0, 1, 0.2, 1.2) * 10;

ofVertex(point * noise_value * 0.1);

}

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180709

2018年7月8日

2辺だけ六角形 openframeworks

[ Video ]

[ About ]
2辺だけ描写した六角形のを敷き詰めました。

I drawing only two sides hexagon.

[ 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, 39, 239);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	int radius = 50;
	bool flg = true;
	for (float y = -ofGetHeight() / 2 - radius; y < ofGetHeight() / 2 + radius; y += radius * 1.5) {

		for (float x = -ofGetWidth() / 2 - radius; x < ofGetWidth() / 2 + radius; x += radius * sqrt(3)) {

			ofPoint location(x, y);
			if (flg) {
								
				location += ofPoint(radius * sqrt(3) * 0.5, 0);
			}

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(90);

			int random_value = ofMap(ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.005), 0, 1, 0, 6);
			int start_deg = random_value * 60;

			ofBeginShape();
			for (int deg = start_deg; deg <= start_deg + 120; deg += 60) {

				ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape();

			ofPopMatrix();
		}
		flg = !flg;
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("Insta");

ofBackground(239);

ofSetColor(39, 39, 239);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int radius = 50;

bool flg = true;

for (float y = -ofGetHeight() / 2 - radius; y < ofGetHeight() / 2 + radius; y += radius * 1.5) {

for (float x = -ofGetWidth() / 2 - radius; x < ofGetWidth() / 2 + radius; x += radius * sqrt(3)) {

ofPoint location(x, y);

if (flg) {

location += ofPoint(radius * sqrt(3) * 0.5, 0);

}

ofPushMatrix();

ofTranslate(location);

ofRotate(90);

int random_value = ofMap(ofNoise(location.x * 0.003, location.y * 0.003, ofGetFrameNum() * 0.005), 0, 1, 0, 6);

int start_deg = random_value * 60;

ofBeginShape();

for (int deg = start_deg; deg <= start_deg + 120; deg += 60) {

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

ofPopMatrix();

}

flg = !flg;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180708

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