[ Video ]
[ About ]
Noise関数を使ったランダムウォーク
Random walk using Perlin noise.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
#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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { int rect_size = 36; for (int i = 0; i < 64; i++) { ofColor rect_color; rect_color.setHsb(ofRandom(255), 200, 255); ofSetColor(rect_color); int x = ofNoise(ofRandom(100), ofGetFrameNum() * 0.003) * ofGetWidth() / rect_size; int y = ofNoise(ofRandom(100, 200), ofGetFrameNum() * 0.003) * ofGetHeight() / rect_size; x *= rect_size; y *= rect_size; ofPoint point(x, y); ofDrawRectangle(point, rect_size, rect_size); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |