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不完全な四角形を重なり。
Incomplete square overlap.
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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); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(3); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { auto size = 144; auto len = size * 0.95; for (int x = size * 0.5; x < ofGetWidth(); x += size) { for (int y = size * 0.5; y < ofGetHeight(); y += size) { for (int i = 0; i < 4; i++) { int start_param = ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005) * 100; int end_param = start_param + ofMap(ofNoise(ofRandom(10000), ofGetFrameNum() * 0.005), 0, 1, 20, 100); vector<glm::vec2> vertices, sub_vertices; for (int param = start_param; param <= end_param; param++) { vertices.push_back(this->make_point(len, param) + glm::vec2(x, y)); sub_vertices.push_back((this->make_point(len * 0.2 * (i + 1), param) + glm::vec2(x, y))); } reverse(sub_vertices.begin(), sub_vertices.end()); ofFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices); ofVertices(sub_vertices); ofEndShape(true); ofNoFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofVertices(sub_vertices); ofEndShape(true); } } } } //-------------------------------------------------------------- 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()); } |