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複数の円達。重なると(距離に応じたサイズの)相手の複製を自身の内部に作ります
Overlapping circles.
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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) {}; vector<glm::vec2> locations; vector<ofColor> colors; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofSetCircleResolution(36); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->locations.clear(); this->colors.clear(); ofColor color; for (int i = 0; i < 100; i++) { glm::vec2 location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.001), 0, 1, 0, ofGetHeight())); this->locations.push_back(location); color.setHsb(ofRandom(255), 255, 230); this->colors.push_back(color); } } //-------------------------------------------------------------- void ofApp::draw() { float radius = 30; for (int i = 0; i < this->locations.size(); i++) { ofFill(); ofSetColor(239); ofDrawCircle(this->locations[i], radius); ofNoFill(); ofSetColor(this->colors[i]); ofDrawCircle(this->locations[i], radius); vector<glm::vec2> near_locations; for (int j = 0; j < this->locations.size(); j++) { if (i == j) { continue; } glm::vec2 distance = this->locations[i] - this->locations[j]; float distance_lenght = glm::length(distance); if (distance_lenght < radius * 2) { ofSetColor(this->colors[j]); ofDrawCircle(this->locations[i], ofMap(distance_lenght, 0, radius * 2, radius, 0)); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |