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視力検査。
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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(30); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(239); ofSetLineWidth(3); ofNoFill(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); int span = 60; for (int x = -300; x <= 300; x += span) { for (int y = -300; y <= 300; y += span) { ofPushMatrix(); ofTranslate(x, y); int deg = ofMap(ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.001), 0, 1, 0, 360 * 3); int deg_param = deg % 45; deg = deg / 45 * 45; if (deg_param > 40) { deg += ofMap(deg_param, 40, 45, 0, 45); } ofRotate(deg); ofBeginShape(); for(int circle_deg = 20; circle_deg <= 360 - 20; circle_deg += 1) { ofVertex(span * 0.35 * cos(circle_deg * DEG_TO_RAD), span * 0.35 * sin(circle_deg * DEG_TO_RAD)); } ofEndShape(); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |