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球体は色を持っています。球体同士が近づくと周りに相手の色の小さな球体が出現して結ばれます。
Spheres have color. Small spheres of contradictory color appear around when the spheres approach each other.
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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 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) {}; ofEasyCam cam; vector<glm::vec3> locations; vector<ofColor> colors; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->locations.clear(); for (int i = 0; i < 100; i++) { glm::vec3 location = glm::vec3( ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * ofRandom(0.001, 0.0005)), 0, 1, -ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * ofRandom(0.001, 0.0005)), 0, 1, -ofGetHeight() * 0.5, ofGetHeight() * 0.5), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * ofRandom(0.001, 0.0005)), 0, 1, -360, 360)); this->locations.push_back(location); ofColor color; color.setHsb(ofRandom(255), 235, 255); this->colors.push_back(color); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); for (int i = 0; i < this->locations.size(); i++) { ofFill(); ofSetColor(this->colors[i]); ofDrawSphere(this->locations[i], 10); for (int j = 0; j < this->locations.size(); j++) { if (i == j) { continue; } glm::vec3 distance = this->locations[i] - this->locations[j]; float distance_lenght = glm::length(distance); if (distance_lenght < 100) { ofDrawSphere(this->locations[j] + glm::normalize(distance) * 20, 5); ofSetColor(this->colors[i] + this->colors[j]); ofDrawLine(this->locations[i] - glm::normalize(distance) * 20, this->locations[j] + glm::normalize(distance) * 20); ofSetColor(this->colors[i]); } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |