rect – ページ 32 – プログラミング de 落描き

2018年3月28日2018年3月27日

迫りくる不完全な四角 openFrameworks

[ Video ]

[ About ]
透明で形が欠けた四角形を並べたら綺麗かなと思い。追加で、手前に迫ってくるように動かしてみました。

[ 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) {};

	ofPoint make_rect_point(int len, int deg, int z = 0);

	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) {};

ofPoint make_rect_point(int len, int deg, int z = 0);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofTranslate(0, 0, -2048);

	int len = ofGetWidth() / 2;
	ofColor line_color;
	for (int i = 0; i < 32; i++) {

		int deg = ofRandom(360) + ofNoise(i * 0.1, ofGetFrameNum() * 0.005) * 360;
		int deg_end = deg + ofRandom(45, 225);
		int z = ((int)ofRandom(2048) + ofGetFrameNum() * 10) % 2048;

		line_color.setHsb(ofRandom(255), 239, 239);
		ofSetColor(line_color, ofMap(z, 0, 2048, 0, 128));

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

			ofVertex(make_rect_point(len, deg, z));
		}
		ofEndShape(true);
	}
	
	this->cam.end();
}

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

	deg += 45;
	int param = deg / 90;

	switch (param % 4) {

	case 0:

		return ofPoint(len, ofMap(deg % 90, 0, 89, -len, len), z);
	case 1:

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

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

		return ofPoint(ofMap(deg % 90, 0, 89, -len, len), -len, z);
	}

	return ofPoint();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, 0, -2048);

int len = ofGetWidth() / 2;

ofColor line_color;

for (int i = 0; i < 32; i++) {

int deg = ofRandom(360) + ofNoise(i * 0.1, ofGetFrameNum() * 0.005) * 360;

int deg_end = deg + ofRandom(45, 225);

int z = ((int)ofRandom(2048) + ofGetFrameNum() * 10) % 2048;

line_color.setHsb(ofRandom(255), 239, 239);

ofSetColor(line_color, ofMap(z, 0, 2048, 0, 128));

ofBeginShape();

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

ofVertex(make_rect_point(len, deg, z));

}

ofEndShape(true);

}

this->cam.end();

}

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

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

deg += 45;

int param = deg / 90;

switch (param % 4) {

case 0:

return ofPoint(len, ofMap(deg % 90, 0, 89, -len, len), z);

case 1:

return ofPoint(ofMap(deg % 90, 0, 89, len, -len), len, z);

case 2:

return ofPoint(-len, ofMap(deg % 90, 0, 89, len, -len), z);

case 3:

return ofPoint(ofMap(deg % 90, 0, 89, -len, len), -len, z);

}

return ofPoint();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180327

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2018年3月15日2018年3月14日

200度の四角を沢山書く openFrameworks

[ Video ]

[ About ]
200度の四角形を書いて、以前作成したねじれC openFrameworksの方法でズラシてみました。

この一部が欠けた四角形を描写するロジック、スマートな方法が思いつかずドロ臭い方法で実装となりました。無念。

[ 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");

	ofNoFill();
	ofSetColor(39);
	ofSetLineWidth(3);
}

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

}

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

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

	for (int len = 10; len < 350; len += 10) {

		int noise_deg = ofNoise(len * 0.005 - ofGetFrameNum() * 0.01) * 720;

		ofBeginShape();
		for (int deg = noise_deg; deg <= noise_deg + 200; deg++) {

			int param = (deg + 45) / 90;
			ofPoint point;

			switch (param % 4) {

			case 0:

				ofVertex(ofPoint(len, ofMap((deg + 45) % 90, 0, 89, -len, len)));
				break;
			case 1:

				ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, len, -len), len));
				break;
			case 2:

				ofVertex(ofPoint(-len, ofMap((deg + 45) % 90, 0, 89, len, -len)));
				break;
			case 3:

				ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, -len, len), -len));
				break;
			}

		}
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetColor(39);

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

for (int len = 10; len < 350; len += 10) {

int noise_deg = ofNoise(len * 0.005 - ofGetFrameNum() * 0.01) * 720;

ofBeginShape();

for (int deg = noise_deg; deg <= noise_deg + 200; deg++) {

int param = (deg + 45) / 90;

ofPoint point;

switch (param % 4) {

case 0:

ofVertex(ofPoint(len, ofMap((deg + 45) % 90, 0, 89, -len, len)));

break;

case 1:

ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, len, -len), len));

break;

case 2:

ofVertex(ofPoint(-len, ofMap((deg + 45) % 90, 0, 89, len, -len)));

break;

case 3:

ofVertex(ofPoint(ofMap((deg + 45) % 90, 0, 89, -len, len), -len));

break;

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180314

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2018年3月10日2018年3月9日

Shapes openFrameworks

[ Video ]

[ About ]
比較的簡単に、sin関数とcos関数で描ける図形を並べてみました。ちょっと高級な、箱に入ったチョコレートみたいな見た目で可愛いですね。

[ 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) {};

	void draw_shape(ofPoint point, float radius, int type);
};

#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) {};

void draw_shape(ofPoint point, float radius, int type);

};

#include "ofApp.h"

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

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

	ofSetColor(39);
	ofNoFill();
}

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

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

	int size = 60;

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

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

			ofPoint point = ofPoint(x, y);
			float radius = (size * 0.5) * 0.8;
			int type = ofNoise(x * 0.005, y * 0.005) * 11;
			this->draw_shape(point, radius , type);

			int n = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01) * 12;
			for (int i = 0; i < n; i++) {
				
				float mini_radius = radius - 2.5 * i;
				if (mini_radius < 0) {

					break;
				}
				this->draw_shape(point, mini_radius, type);

			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw_shape(ofPoint point, float radius, int type) {

	int deg_span = 1;
	int rotate = 0;

	switch (type) {
	case 0:
	case 9:
		deg_span = 120;
		rotate = 270;
		break;
	case 1:
	case 8:
		deg_span = 90;
		rotate = 45;

		break;
	case 2:
	case 6:
		deg_span = 60;
		rotate = 30;
		break;
	case 3:
	case 4:
	case 5:
		deg_span = 1;
		break;
	case 10:
		deg_span = 30;
		break;
	}
	
	ofPushMatrix();
	ofTranslate(point);
	ofRotate(rotate);

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

		if (type == 10 && (deg / deg_span) % 2 == 0) {

			ofVertex(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD));
		}
		else {

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

	ofPopMatrix();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(39);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int size = 60;

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

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

ofPoint point = ofPoint(x, y);

float radius = (size * 0.5) * 0.8;

int type = ofNoise(x * 0.005, y * 0.005) * 11;

this->draw_shape(point, radius , type);

int n = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01) * 12;

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

float mini_radius = radius - 2.5 * i;

if (mini_radius < 0) {

break;

}

this->draw_shape(point, mini_radius, type);

}

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

void ofApp::draw_shape(ofPoint point, float radius, int type) {

int deg_span = 1;

int rotate = 0;

switch (type) {

case 0:

case 9:

deg_span = 120;

rotate = 270;

break;

case 1:

case 8:

deg_span = 90;

rotate = 45;

break;

case 2:

case 6:

deg_span = 60;

rotate = 30;

break;

case 3:

case 4:

case 5:

deg_span = 1;

break;

case 10:

deg_span = 30;

break;

}

ofPushMatrix();

ofTranslate(point);

ofRotate(rotate);

ofBeginShape();

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

if (type == 10 && (deg / deg_span) % 2 == 0) {

ofVertex(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD));

}

else {

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

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180309

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Amazon

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