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昨日のヤツに、色＋角度を加えました。一つだとイマイチだったけど、並べてみたら綺麗になった(気がする)
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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) {}; // Make Method void draw_line_circle(ofPoint point); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofBackground(39); ofSetWindowTitle("Insta"); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2); this->draw_line_circle(ofPoint(-230, -230)); this->draw_line_circle(ofPoint(0, -230)); this->draw_line_circle(ofPoint(230, -230)); this->draw_line_circle(ofPoint(-230, 0)); this->draw_line_circle(ofPoint(0, 0)); this->draw_line_circle(ofPoint(230, 0)); this->draw_line_circle(ofPoint(-230, 230)); this->draw_line_circle(ofPoint(0, 230)); this->draw_line_circle(ofPoint(230, 230)); } //-------------------------------------------------------------- void ofApp::draw_line_circle(ofPoint point) { ofPushMatrix(); ofTranslate(point); int radius = 100; for (int line = 0; line < 18; line++) { ofColor color; color.setHsb(ofRandom(255), 200, 200); ofSetColor(color); ofRotate(ofRandom(360)); int start_deg = ofRandom(180) + ofGetFrameNum(); int end_deg = start_deg + 8; 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))); } for (int deg = 360 - end_deg; deg <= 360 - start_deg; deg += 1) { vertices.push_back(ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofBeginShape(); ofVertices(vertices); ofEndShape(true); } ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |