[ Video ]
[ About ]
六角形でウェーブ
Hexagon wave.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 |
#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) {}; }; |
|
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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); auto radius = 15; auto flg = true; float sqrt_3 = sqrt(3); int threshold = (ofGetFrameNum() * 3) % 600; ofColor color; for (float y = -ofGetHeight() * 0.5 - radius; y < ofGetHeight() * 0.5 + radius; y += radius * 1.5) { for (float x = -ofGetWidth() * 0.5 - radius; x < ofGetWidth() * 0.5 + radius; x += radius * sqrt_3) { auto location = flg ? glm::vec2(x, y) : glm::vec2(x + radius * sqrt_3 * 0.5, y); auto len = glm::length(location) + 39; auto gap = abs(len - threshold); color.setHsb(ofRandom(255), 255, 255); if (gap < 39) { ofPushMatrix(); ofTranslate(location); vector<glm::vec2> vertices; for (int deg = 30; deg <= 390; deg += 60) { vertices.push_back(glm::vec2((radius - 1) * cos(deg * DEG_TO_RAD), (radius - 1) * sin(deg * DEG_TO_RAD))); } ofNoFill(); ofSetColor(color); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofFill(); ofSetColor(color, ofMap(gap, 0, 39, 255, 0)); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofPopMatrix(); } } flg = !flg; } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |