Insta20171117 – プログラミング de 落描き

[ 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

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