openframeworks – ページ 696 – プログラミング de 落描き

2017年11月21日2017年12月5日

Insta20171120

[ Video ]

[ About ]
Noise To Degree.

[ Source ]

#include "ofMain.h"
#include "ofFbo.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) {};

	ofFbo fbo;
	ofVec2f prev_point;
};

#include "ofMain.h"

#include "ofFbo.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) {};

ofFbo fbo;

ofVec2f prev_point;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetColor(0);
	this->fbo.allocate(ofGetWidth(), ofGetHeight());
}

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

	float radius = 10;
	float deg = 0;
	ofVec2f point;
	this->prev_point = ofVec2f();

	this->fbo.begin();
	ofClear(0);

	for (int i = 0; i <= 200 ; i += 1) {
		deg = 720 * ofNoise((ofGetFrameNum() - i) * 0.025);
		point = ofVec2f(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		point += ofVec2f(ofGetWidth() / 2, ofGetHeight() / 2);

		if (prev_point == ofVec2f()) {
			ofDrawCircle(point, 5);
		} else {
			ofDrawLine(point, this->prev_point);
		}

		this->prev_point = point;

		radius += 1.5;
	}

	ofDrawCircle(point, 5);
	this->fbo.end();
}

//--------------------------------------------------------------
void ofApp::draw() {
	this->fbo.draw(0, 0);	
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetColor(0);

this->fbo.allocate(ofGetWidth(), ofGetHeight());

}

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

void ofApp::update(){

float radius = 10;

float deg = 0;

ofVec2f point;

this->prev_point = ofVec2f();

this->fbo.begin();

ofClear(0);

for (int i = 0; i <= 200 ; i += 1) {

deg = 720 * ofNoise((ofGetFrameNum() - i) * 0.025);

point = ofVec2f(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

point += ofVec2f(ofGetWidth() / 2, ofGetHeight() / 2);

if (prev_point == ofVec2f()) {

ofDrawCircle(point, 5);

} else {

ofDrawLine(point, this->prev_point);

}

this->prev_point = point;

radius += 1.5;

}

ofDrawCircle(point, 5);

this->fbo.end();

}

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

void ofApp::draw() {

this->fbo.draw(0, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171120

[ほしいものリスト]
Amazon

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2017年11月19日2017年12月5日

Insta20171118

[ Video ]

[ About ]
中心からの距離をNoise関数の引数にして、画素の高さを決めています。

The distance from the center is taken as an argument of the noise function, and the height of the pixel is determined.

[ 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) {};

	ofImage lenna;
	ofEasyCam cam;
};

#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 lenna;

ofEasyCam cam;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetDepthTest(true);

	this->lenna.loadImage("Lenna.png");
}

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

//--------------------------------------------------------------
void ofApp::draw() {
	
	this->cam.begin();
	ofRotateZ(180);

	ofPixels pixels = this->lenna.getPixelsRef();
	ofColor pixel_color;
	float noise_value;
	float height;
	int size = 3;

	for (int x = 0; x < pixels.getWidth(); x += size) {
		for (int y = 0; y < pixels.getHeight(); y += size) {
			pixel_color = pixels.getColor(x, y);
			ofSetColor(pixel_color);

			float distance = ofVec2f(pixels.getWidth() / 2, pixels.getHeight() / 2).distance(ofVec2f(x, y));
			noise_value = ofNoise(distance * 0.008 + ofGetFrameNum() * 0.025);
			height = 300 * noise_value;

			ofDrawBox(ofVec3f(x - ofGetWidth() / 2, y - ofGetHeight() / 2, height / 2), size, size, height);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(512, 512, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetDepthTest(true);

this->lenna.loadImage("Lenna.png");

}

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

void ofApp::update(){ }

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(180);

ofPixels pixels = this->lenna.getPixelsRef();

ofColor pixel_color;

float noise_value;

float height;

int size = 3;

for (int x = 0; x < pixels.getWidth(); x += size) {

for (int y = 0; y < pixels.getHeight(); y += size) {

pixel_color = pixels.getColor(x, y);

ofSetColor(pixel_color);

float distance = ofVec2f(pixels.getWidth() / 2, pixels.getHeight() / 2).distance(ofVec2f(x, y));

noise_value = ofNoise(distance * 0.008 + ofGetFrameNum() * 0.025);

height = 300 * noise_value;

ofDrawBox(ofVec3f(x - ofGetWidth() / 2, y - ofGetHeight() / 2, height / 2), size, size, height);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(512, 512, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171118

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2017年11月18日2017年12月5日

Insta20171117

[ Video ]

[ About ]
R/G/B/Frame NumberをNoise関数の引数にして、画素の高さを決めています。

The pixel height is determined by using R/G/B/Frame Number as an argument of Noise function.

[ 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) {};

	ofImage lenna;
	ofEasyCam cam;

};

#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 lenna;

ofEasyCam cam;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetDepthTest(true);

	this->lenna.loadImage("Lenna.png");
}

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

//--------------------------------------------------------------
void ofApp::draw() {
	
	this->cam.begin();
	ofRotateZ(180);

	ofPixels pixels = this->lenna.getPixelsRef();
	ofColor pixel_color;
	float noise_value;
	float height;
	int size = 3;

	for (int x = 0; x < pixels.getWidth(); x += size) {
		for (int y = 0; y < pixels.getHeight(); y += size) {
			pixel_color = pixels.getColor(x, y);
			ofSetColor(pixel_color);

			noise_value = ofNoise(pixel_color.r * 0.005, pixel_color.g * 0.005, pixel_color.b * 0.005, ofGetFrameNum() * 0.05);
			height = 300 * noise_value;

			ofDrawBox(ofVec3f(x - ofGetWidth() / 2, y - ofGetHeight() / 2, height / 2), size, size, height);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(512, 512, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetDepthTest(true);

this->lenna.loadImage("Lenna.png");

}

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

void ofApp::update(){ }

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(180);

ofPixels pixels = this->lenna.getPixelsRef();

ofColor pixel_color;

float noise_value;

float height;

int size = 3;

for (int x = 0; x < pixels.getWidth(); x += size) {

for (int y = 0; y < pixels.getHeight(); y += size) {

pixel_color = pixels.getColor(x, y);

ofSetColor(pixel_color);

noise_value = ofNoise(pixel_color.r * 0.005, pixel_color.g * 0.005, pixel_color.b * 0.005, ofGetFrameNum() * 0.05);

height = 300 * noise_value;

ofDrawBox(ofVec3f(x - ofGetWidth() / 2, y - ofGetHeight() / 2, height / 2), size, size, height);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(512, 512, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171117

[ほしいものリスト]
Amazon

[ Sponsor Link ]

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