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正方形の破片。
Piece of square.
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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) {}; glm::vec2 make_point(int len, int param); vector<ofColor> color_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetBackgroundAuto(false); ofSetLineWidth(2); ofColor color; vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 }; for (auto hex : hex_list) { color.setHex(hex); this->color_list.push_back(color); } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { int span = 144; int len = 134; int count = 0; for (int x = span * 0.5; x < ofGetWidth() + span * 0.5; x += span) { for (int y = span * 0.5; y < ofGetHeight() + span * 0.5; y += span) { if (ofGetFrameNum() % 20 == 0) { ofPushMatrix(); ofTranslate(x, y); vector<glm::vec2> vertices; int param_start = ofRandom(100); int param_end = param_start + ofRandom(25, 50); for (int param = param_start; param <= param_end; param++) { vertices.push_back(this->make_point(len, param)); } ofFill(); ofSetColor(this->color_list[(int)ofRandom(this->color_list.size())]); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofPopMatrix(); } count++; } } for (int i = 0; i < 1000; i++) { float x = ofRandom(ofGetWidth()); float y = ofRandom(ofGetHeight()); ofSetColor(255, 32); ofDrawCircle(x, y, 0.5); } } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |