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マス目運動。
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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) {}; float len; vector<glm::vec2> start_location_list; vector<vector<glm::vec2>> location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(1.5); this->len = 30; for (float x = 0; x < ofGetWidth(); x += this->len) { for (float y = 0; y < ofGetHeight(); y += this->len) { this->start_location_list.push_back(glm::vec3(x, y, 0)); } } for (int i = 0; i < 16; i++) { int r = ofRandom(this->start_location_list.size()); auto log_list = vector<glm::vec2>(); log_list.push_back(this->start_location_list[r]); this->location_list.push_back(log_list); } } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 2 == 0) { for (auto& log_list : this->location_list) { int r = ofRandom(4); int deg_start = r * 90; for (int deg = deg_start; deg < deg_start + 360; deg += 90) { auto tmp_location = log_list.back() + glm::vec2(this->len * cos(deg * DEG_TO_RAD), this->len * sin(deg * DEG_TO_RAD)); if (tmp_location.x < 0 || tmp_location.x > ofGetWidth() - this->len || tmp_location.y < 0 || tmp_location.y > ofGetHeight() - this->len) { continue; } bool flag = false; for (int i = 0; i < log_list.size(); i++) { if (tmp_location == log_list[i] && deg_start != deg && deg_start % 360 == deg % 360){ flag = true; break; } } if (flag) { continue; } log_list.push_back(tmp_location); break; } while (log_list.size() > 5) { log_list.erase(log_list.begin()); } } } } //-------------------------------------------------------------- void ofApp::draw() { int color_index = 0; for (auto& log_list : this->location_list) { for (int i = 0; i < log_list.size(); i++) { ofFill(); ofSetColor(ofColor(0, ofMap(i, 0, log_list.size(), 32, 200))); ofDrawRectangle(log_list[i], this->len, this->len); ofNoFill(); ofSetColor(0); ofDrawRectangle(log_list[i], this->len, this->len); } } ofSetColor(0, 32); ofNoFill(); for (float x = 0; x < ofGetWidth(); x += this->len) { for (float y = 0; y < ofGetHeight(); y += this->len) { ofDrawRectangle(glm::vec3(x, y, 0), this->len, this->len); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |