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円の断片を規則的に回転させてみました。
I tried regularly rotating pieces of a circle.
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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); ofSetWindowTitle("Insta"); ofBackground(39); ofNoFill(); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (int x_index = -2; x_index <= 2; x_index++) { for (int y_index = -2; y_index <= 2; y_index++) { ofPoint location(x_index * 144, y_index * 144); ofPushMatrix(); ofTranslate(location); for (int i = 1; i <= 10; i++) { ofColor color; color.setHsb(ofRandom(255), 200, 255); ofSetColor(color); int start_deg = ofGetFrameNum() * i; int radius = i * 6; ofBeginShape(); for (int deg = start_deg; deg < start_deg + 90; deg += 1) { ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); } ofEndShape(); } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |