プログラミング de 落描き – ページ 780 – クリエイティブ・コーディングによる生成物とソース

2018年10月4日2018年10月4日

Twist color. openFrameworks

[ Video ]

[ About ]
ねじれるカラー

Twist color.

[ 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 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofEnableDepthTest();
	ofBackground(239);
}

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

	ofSeedRandom(39);
}

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

	int radius = 300;
	int deg_start = 0;
	int deg_span = 10;

	this->cam.begin();

	for (int z = -300; z <= 300; z += 30) {

		deg_start = ofGetFrameNum() + z;

		for (int deg = deg_start; deg <= deg_start + 180; deg += deg_span) {

			ofColor color;
			color.setHsb(ofRandom(255), 200, 255);
			ofSetColor(color);

			ofBeginShape();
			ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z);
			ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 30);
			ofVertex(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z + 30);
			ofVertex(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);
			ofEndShape(true);
		}
	}

	this->cam.end();	
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofEnableDepthTest();

ofBackground(239);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int radius = 300;

int deg_start = 0;

int deg_span = 10;

this->cam.begin();

for (int z = -300; z <= 300; z += 30) {

deg_start = ofGetFrameNum() + z;

for (int deg = deg_start; deg <= deg_start + 180; deg += deg_span) {

ofColor color;

color.setHsb(ofRandom(255), 200, 255);

ofSetColor(color);

ofBeginShape();

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

ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 30);

ofVertex(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z + 30);

ofVertex(radius * cos((deg + deg_span) * DEG_TO_RAD), radius * sin((deg + deg_span) * DEG_TO_RAD), z);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181004

2018年10月3日2018年10月3日

Lenna. openFrameworks

[ Video ]

[ About ]
画像データのピクセル操作に関する質問を頂いたので、返信用に作成した動作検証用のSourceとLennaさん

Lenna.

[ 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 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) {};

	ofImage image;
	ofPixels pixels;
};

#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 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) {};

ofImage image;

ofPixels pixels;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	
	this->image.load("images/lenna.jpg");
	this->pixels = this->image.getPixels();
}

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

}

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

	int step = ofMap(ofGetMouseX(), 0, ofGetWidth(), 5, 30);
	for (int x = 0; x < this->pixels.getWidth(); x += step) {

		for (int y = 0; y < this->pixels.getHeight(); y += step) {
			 
			ofColor color = this->pixels.getColor(x, y);
			ofSetColor(color);
			ofDrawRectangle(x, y, step, step);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(39);

this->image.load("images/lenna.jpg");

this->pixels = this->image.getPixels();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int step = ofMap(ofGetMouseX(), 0, ofGetWidth(), 5, 30);

for (int x = 0; x < this->pixels.getWidth(); x += step) {

for (int y = 0; y < this->pixels.getHeight(); y += step) {

ofColor color = this->pixels.getColor(x, y);

ofSetColor(color);

ofDrawRectangle(x, y, step, step);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181003

2018年10月2日2018年10月2日

Noisy Torus. openFrameworks

[ Video ]

[ About ]
トーラスをパーリンノイズでバラバラに

Torus is split by Perlin noise.

[ 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 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) {};

	ofPoint make_point(float radius, float deg, float small_radius, float small_deg);

	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 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) {};

ofPoint make_point(float radius, float deg, float small_radius, float small_deg);

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();

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

}

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

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

	float radius = 300.f;
	float small_radius = 80.f;
	float deg_span = 10.f;
	float small_deg_span = 30.f;

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

		for (int small_deg = 0; small_deg < 360; small_deg += small_deg_span) {

			float noise_value = ofNoise(deg * 0.05, small_deg * 0.05, ofGetFrameNum() * 0.005);
			float tmp_small_radius = small_radius * noise_value;

			ofSetColor(255 - noise_value * 255);

			ofBeginShape();

			ofVertex(this->make_point(radius, deg, tmp_small_radius, small_deg));
			ofVertex(this->make_point(radius, deg + deg_span, tmp_small_radius, small_deg));
			ofVertex(this->make_point(radius, deg + deg_span, tmp_small_radius, small_deg + small_deg_span));
			ofVertex(this->make_point(radius, deg, tmp_small_radius, small_deg + small_deg_span));

			ofEndShape(true);
		}
	}


	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_point(float radius, float deg, float small_radius, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

float radius = 300.f;

float small_radius = 80.f;

float deg_span = 10.f;

float small_deg_span = 30.f;

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

for (int small_deg = 0; small_deg < 360; small_deg += small_deg_span) {

float noise_value = ofNoise(deg * 0.05, small_deg * 0.05, ofGetFrameNum() * 0.005);

float tmp_small_radius = small_radius * noise_value;

ofSetColor(255 - noise_value * 255);

ofBeginShape();

ofVertex(this->make_point(radius, deg, tmp_small_radius, small_deg));

ofVertex(this->make_point(radius, deg + deg_span, tmp_small_radius, small_deg));

ofVertex(this->make_point(radius, deg + deg_span, tmp_small_radius, small_deg + small_deg_span));

ofVertex(this->make_point(radius, deg, tmp_small_radius, small_deg + small_deg_span));

ofEndShape(true);

}

this->cam.end();

}

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

ofPoint ofApp::make_point(float radius, float deg, float small_radius, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20181002

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