[ Video ]
[ About ]
ランダムウォーク群。
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
#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> location_list; vector<int> life_list; vector<ofColor> color_list; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofColor color; for (int i = 0; i < 200; i++) { this->location_list.push_back(glm::vec2(ofRandom(-360, 360), ofRandom(-360, 360))); this->life_list.push_back(0); color.setHsb(ofRandom(255), 255, 255); this->color_list.push_back(color); } for (int i = this->location_list.size() - 1; i >= 0; i--) { if (abs(this->location_list[i].x) > 300 || abs(this->location_list[i].y) > 300) { this->location_list.erase(this->location_list.begin() + i); this->life_list.erase(this->life_list.begin() + i); this->color_list.erase(this->color_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); for (int i = 0; i < this->location_list.size(); i++) { auto deg = ofMap(ofNoise(this->location_list[i].x * 0.008, this->location_list[i].y * 0.008, ofGetFrameNum() * 0.02), 0, 1, -360, 360); auto next = this->location_list[i] + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD)); auto size = this->life_list[i] < 10 ? ofMap(this->life_list[i], 0, 20, 0, 1) : 2; ofSetColor(this->color_list[i], 64); ofDrawCircle(this->location_list[i], size); this->location_list[i] = next; this->life_list[i]++; } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |