noise – ページ 407 – プログラミング de 落描き

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

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2017年11月13日2017年12月5日

Insta20171112

[ Video ]

[ About ]
IcoSphere * 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) {};

	ofEasyCam cam;

	ofIcoSpherePrimitive icoSphere;
	vector<ofVec3f> locations;
};

#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;

ofIcoSpherePrimitive icoSphere;

vector<ofVec3f> locations;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
	ofSetFrameRate(60);
	ofBackground(0);
	ofSetWindowTitle("Insta");

	ofEnableDepthTest();

	this->icoSphere.setRadius(300);
	this->icoSphere.setResolution(2);
}

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

}

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

	vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();

	for (int i = 0; i < triangles.size(); i++) {

		ofVec3f avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		float noise_value = ofMap(ofNoise(avg.x * 0.00025, avg.y * 0.00025 - ofGetFrameNum() * 0.025, avg.z * 0.00025), 0, 1, 0, 1.0);

		ofMesh mesh;

		ofVec3f point1 = triangles[i].getVertex(0) - avg;
		ofVec3f point2 = triangles[i].getVertex(1) - avg;
		ofVec3f point3 = triangles[i].getVertex(2) - avg;

		mesh.addVertex(point1 * noise_value);
		mesh.addVertex(point2 * noise_value);
		mesh.addVertex(point3 * noise_value);

		ofPushMatrix();
		ofTranslate(avg);

		mesh.drawWireframe();
		
		ofPopMatrix();
	}

	this->cam.end();
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(0);

ofSetWindowTitle("Insta");

ofEnableDepthTest();

this->icoSphere.setRadius(300);

this->icoSphere.setResolution(2);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces();

for (int i = 0; i < triangles.size(); i++) {

ofVec3f avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

float noise_value = ofMap(ofNoise(avg.x * 0.00025, avg.y * 0.00025 - ofGetFrameNum() * 0.025, avg.z * 0.00025), 0, 1, 0, 1.0);

ofMesh mesh;

ofVec3f point1 = triangles[i].getVertex(0) - avg;

ofVec3f point2 = triangles[i].getVertex(1) - avg;

ofVec3f point3 = triangles[i].getVertex(2) - avg;

mesh.addVertex(point1 * noise_value);

mesh.addVertex(point2 * noise_value);

mesh.addVertex(point3 * noise_value);

ofPushMatrix();

ofTranslate(avg);

mesh.drawWireframe();

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171112

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2017年11月9日2017年12月5日

Insta20171108

[ Video ]

[ About ]
円のz座標をnoise関数(x, y, フレーム数 – 円数)で計算しています。

The z coordinate of the circle is calculated by the noise function (x, y, the number of frames – the number of circles).

[ 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);
	ofBackground(255);
	ofSetWindowTitle("Insta");

	ofSetColor(0);
}

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

}

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

	float x, y, z;
	float noise_value;
	ofVec3f prev_point;

	for (int radius = 50; radius < 1024; radius += 10) {
		for (int deg = 0; deg <= 360; deg += 1) {
			x = radius * cos(deg * DEG_TO_RAD);
			y = radius * sin(deg * DEG_TO_RAD);
			z = 100 * ofNoise(x * 0.0025, y * 0.0025, ofGetFrameNum() * 0.015 - radius * 0.005);

			if (deg > 0) {
				ofDrawLine(prev_point, ofVec3f(x, y, z));
			}

			prev_point = ofVec3f(x, y, z);
		}
	}

	this->cam.end();
}

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(255);

ofSetWindowTitle("Insta");

ofSetColor(0);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

float x, y, z;

float noise_value;

ofVec3f prev_point;

for (int radius = 50; radius < 1024; radius += 10) {

for (int deg = 0; deg <= 360; deg += 1) {

x = radius * cos(deg * DEG_TO_RAD);

y = radius * sin(deg * DEG_TO_RAD);

z = 100 * ofNoise(x * 0.0025, y * 0.0025, ofGetFrameNum() * 0.015 - radius * 0.005);

if (deg > 0) {

ofDrawLine(prev_point, ofVec3f(x, y, z));

}

prev_point = ofVec3f(x, y, z);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20171108

[ほしいものリスト]
Amazon

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