[ Video ]
[ About ]
インクリメントされたradiusとsin, cosを使って渦を描いて、Noise関数で動きを付けました
[ 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 46 47 48 49 50 51 52 53 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(239); ofSetWindowTitle("Insta"); ofNoFill(); ofSetLineWidth(1.5); ofSetColor(39); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (int x = -1; x <= 1; x++) { for (int y = -1; y <= 1; y++) { ofPoint location(x * 240, y * 240); float radius = 15; ofBeginShape(); for (int deg = 0; deg < 360 * 10; deg++) { ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + location; int noise_value = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * 10 - 5; noise_value *= 5; point = ofPoint((radius + noise_value) * cos(deg * DEG_TO_RAD), (radius + noise_value) * sin(deg * DEG_TO_RAD)) + location; ofVertex(point); radius += 0.02; } ofEndShape(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |