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Twitterでフォローしている独楽回しeddyさん(@EKey2210)の投稿からインスパイアさせて頂きました。
扇の円弧の部分だけ線をつけるのがサイバー感を際立たせていてカッコいい。
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#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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(39); ofSetWindowTitle("Insta"); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(139); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (int x_index = -1; x_index <= 1; x_index++) { for (int y_index = -1; y_index <= 1; y_index++) { ofPoint location(x_index * 230, y_index * 230); ofPushMatrix(); ofTranslate(location); for (int radius = 30; radius < 100; radius += 8) { ofColor color; color.setHsb(ofRandom(255), 239, 239); int start_noise = ofNoise(location.x * 0.1, radius * 0.05, ofGetFrameNum() * 0.005) * 360; int end_noise = ofMap(ofNoise(location.y * 0.1, radius * 0.05, ofGetFrameNum() * 0.01), 0, 1, -90, 360); int start_deg = ofRandom(360) + start_noise; int end_deg = start_deg + end_noise; if (start_deg > end_deg) { continue; } std::vector<ofPoint> vertices; for (int deg = start_deg; deg < end_deg; deg += 1) { vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofFill(); ofSetColor(color, 32); ofBeginShape(); ofVertices(vertices); ofVertex(0, 0); ofEndShape(true); ofNoFill(); ofSetColor(color); ofBeginShape(); ofVertices(vertices); ofEndShape(); } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |