openframeworks – ページ 660 – プログラミング de 落描き

2018年3月8日2018年3月7日

ねじれ棒 openFrameworks

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[ About ]
ねじねじ。

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#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");

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

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

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

	float size = 100;

	for (int i = 60; i > 0; i--) {

		float deg = ofNoise(i * 0.005 + ofGetFrameNum() * 0.005) * 720;
		float x = (i * 5) * cos(deg * DEG_TO_RAD);
		float y = (i * 5) * sin(deg * DEG_TO_RAD);
		ofPoint point = ofPoint(x, y);

		ofPushMatrix();
		ofTranslate(point);
		ofRotate(deg);

		ofFill();
		ofSetColor(239);
		ofDrawRectangle(ofPoint(0, 0), size, size);

		ofNoFill();
		ofSetColor(39);
		ofDrawRectangle(ofPoint(0, 0), size, size);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

float size = 100;

for (int i = 60; i > 0; i--) {

float deg = ofNoise(i * 0.005 + ofGetFrameNum() * 0.005) * 720;

float x = (i * 5) * cos(deg * DEG_TO_RAD);

float y = (i * 5) * sin(deg * DEG_TO_RAD);

ofPoint point = ofPoint(x, y);

ofPushMatrix();

ofTranslate(point);

ofRotate(deg);

ofFill();

ofSetColor(239);

ofDrawRectangle(ofPoint(0, 0), size, size);

ofNoFill();

ofSetColor(39);

ofDrawRectangle(ofPoint(0, 0), size, size);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180307

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2018年3月7日2018年3月6日

グラデーショントライアングル openFrameworks

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[ About ]
今日は全然、アイデアみたいなものや、作りたいものが浮かばずに、「筆が進まない」ならぬ、「キーボードが進まない」状態。

なかなか、珍しい。

[ 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(30);
	ofBackground(239);
	ofSetWindowTitle("Insta");
}

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

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

	int size = 60;
	int tri_size = size * 0.95;
	int y_count = 0;
	ofColor tri_color;

	for (int x = 0; x < ofGetWidth() + size / 2; x += size / 2) {

		y_count = 0;
		for (int y = 0; y < ofGetHeight(); y += size) {

			tri_color.setHsb(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 255, 255, 255);
			ofSetColor(tri_color);

			
			if (x % size == 0) {

				if (y_count % 2 == 0) {

					ofDrawTriangle(ofVec3f(x - tri_size / 2, y), ofVec3f(x + tri_size / 2, y), ofVec3f(x, y + tri_size));
				}
				else {

					ofDrawTriangle(ofVec3f(x - tri_size / 2, y + tri_size), ofVec3f(x + tri_size / 2, y + tri_size), ofVec3f(x, y));
				}
			}
			else {

				if (y_count % 2 == 0) {

					ofDrawTriangle(ofVec3f(x - tri_size / 2, y + tri_size), ofVec3f(x + tri_size / 2, y + tri_size), ofVec3f(x, y));
				}
				else {

					ofDrawTriangle(ofVec3f(x - tri_size / 2, y), ofVec3f(x + tri_size / 2, y), ofVec3f(x, y + tri_size));
				}
			}

			y_count++;
		}
	}
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofBackground(239);

ofSetWindowTitle("Insta");

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int size = 60;

int tri_size = size * 0.95;

int y_count = 0;

ofColor tri_color;

for (int x = 0; x < ofGetWidth() + size / 2; x += size / 2) {

y_count = 0;

for (int y = 0; y < ofGetHeight(); y += size) {

tri_color.setHsb(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.005) * 255, 255, 255);

ofSetColor(tri_color);

if (x % size == 0) {

if (y_count % 2 == 0) {

ofDrawTriangle(ofVec3f(x - tri_size / 2, y), ofVec3f(x + tri_size / 2, y), ofVec3f(x, y + tri_size));

}

else {

ofDrawTriangle(ofVec3f(x - tri_size / 2, y + tri_size), ofVec3f(x + tri_size / 2, y + tri_size), ofVec3f(x, y));

}

else {

if (y_count % 2 == 0) {

ofDrawTriangle(ofVec3f(x - tri_size / 2, y + tri_size), ofVec3f(x + tri_size / 2, y + tri_size), ofVec3f(x, y));

}

else {

ofDrawTriangle(ofVec3f(x - tri_size / 2, y), ofVec3f(x + tri_size / 2, y), ofVec3f(x, y + tri_size));

}

y_count++;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180306

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2018年3月6日2018年3月5日

ねじれC openFrameworks

[ Video ]

[ About ]
半円をたくさん書いて、その角度が中心の円に追随するようにしてみました。角度の計算の仕方はいつも通り、Noise関数にフレーム数を含ませてステップしています。

[ 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");

	ofNoFill();
	ofSetLineWidth(5);
	ofSetColor(39);
}

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

}

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

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

	float radius = 30;
	for (int i = 0; i < 50; i++) {

		float noise_value = ofNoise(i * 0.05 - ofGetFrameNum() * 0.005);
		radius += 10;

		ofPushMatrix();
		ofRotate(noise_value * 720);

		ofBeginShape();
		for (int deg = 0; deg <= 180; deg += 1) {

			float x = radius * cos(deg * DEG_TO_RAD);
			float y = radius * sin(deg * DEG_TO_RAD);

			ofVertex(x, y);
		}
		ofEndShape();

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(5);

ofSetColor(39);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

float radius = 30;

for (int i = 0; i < 50; i++) {

float noise_value = ofNoise(i * 0.05 - ofGetFrameNum() * 0.005);

radius += 10;

ofPushMatrix();

ofRotate(noise_value * 720);

ofBeginShape();

for (int deg = 0; deg <= 180; deg += 1) {

float x = radius * cos(deg * DEG_TO_RAD);

float y = radius * sin(deg * DEG_TO_RAD);

ofVertex(x, y);

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180305

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