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Hexagonを増殖
Many hexagon.
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#pragma once #include "ofMain.h" #include "Hexagon.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) {}; vector<Hexagon> hexagons; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); for (int i = 0; i < 128; i++) { ofColor color; color.setHsb(i * 2, 200, 255); Hexagon hexagon = Hexagon(ofPoint(ofGetWidth() * 0.5, ofGetHeight() * 0.5), 10, color); this->hexagons.push_back(hexagon); } } //-------------------------------------------------------------- void ofApp::update() { for (Hexagon& hexagon : this->hexagons) { hexagon.Update(); } } //-------------------------------------------------------------- void ofApp::draw() { for (Hexagon& hexagon : this->hexagons) { hexagon.Draw(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
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#pragma once #include "ofMain.h" class Hexagon { public: Hexagon(); Hexagon(ofPoint location, float radius, ofColor color); void Update(); void Draw(); private: ofPoint location; std::deque<ofPoint> logs; float radius; float height; ofColor color; }; |
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#include "Hexagon.h" Hexagon::Hexagon() : Hexagon(ofPoint(), 0, ofColor()) {} Hexagon::Hexagon(ofPoint location, float radius, ofColor color) { this->location = location; this->radius = radius; this->height = radius * sqrt(3); this->color = color; } void Hexagon::Update() { if (ofGetFrameNum() % 5 == 0) { int r = ofRandom(6); int deg = r * 60 + 30; int try_count = 0; ofPoint tmp_location; while (true) { tmp_location = this->location + ofPoint(this->height * cos(deg * DEG_TO_RAD), this->height * sin(deg * DEG_TO_RAD)); if (tmp_location.x > 0 && tmp_location.x < ofGetWidth() && tmp_location.y > 0 && tmp_location.y < ofGetHeight()) { break; } deg += 60; if (++try_count > 6) { tmp_location = this->location; break; } } this->location = tmp_location; this->logs.push_front(this->location); } while (this->logs.size() > 6) { this->logs.pop_back(); } } void Hexagon::Draw() { float tmp_radius = this->radius; ofSetColor(this->color); for (ofPoint& log : this->logs) { ofPushMatrix(); ofTranslate(log); ofBeginShape(); for (int deg = 0; deg < 360; deg += 60) { ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofPopMatrix(); } } |