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球体の中でランダムの座標と大きさでお互いに重ならない様に配置を計算する。
Calculate the placement of random coordinates and sizes in the sphere so that they do not overlap 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> base_location_list; vector<tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size int number_of_sphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(1, 5); this->base_location_list = ico_sphere.getMesh().getVertices(); this->number_of_sphere = 3000; while (this->sphere_list.size() < this->number_of_sphere) { int index = ofRandom(this->base_location_list.size()); auto tmp_location = this->base_location_list[index]; tmp_location = glm::normalize(tmp_location) * ofRandom(0, 100); auto radius = this->sphere_list.size() < 110 ? ofRandom(10, 50) : ofRandom(2, 20); bool flag = true; for (int i = 0; i < this->sphere_list.size(); i++) { if (glm::distance(tmp_location, get<1>(this->sphere_list[i])) < get<2>(this->sphere_list[i]) + radius) { flag = false; break; } } if (flag) { ofColor color; color.setHsb(ofRandom(255), 200, 255); auto size = (radius * 2) / sqrt(3); this->sphere_list.push_back(make_tuple(color, tmp_location, size)); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.66666666666666666); for (int i = 0; i < this->sphere_list.size(); i++) { auto location = get<1>(this->sphere_list[i]); auto size = get<2>(this->sphere_list[i]); ofPushMatrix(); ofTranslate(location); ofRotateZ(ofRandom(360)); ofRotateY(ofRandom(360)); ofRotateX(ofRandom(360)); ofFill(); ofSetColor(0); ofDrawBox(size); ofNoFill(); ofSetColor(255); ofDrawBox(size); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |