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集中線。
Concentrated line.
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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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(39); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 20, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); int radius = 100; for (int x = -230; x <= 230; x += 230) { for (int y = -230; y <= 230; y += 230) { ofPushMatrix(); ofTranslate(x, y); vector<glm::vec2> vertices; for (float deg = 0; deg < 360; deg += 0.3) { auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto noise_value = ofNoise(x + location.x * 0.1, y + location.y * 0.1, ofGetFrameNum() * 0.0035); if (noise_value > 0.5) { location *= ofMap(noise_value, 0.5, 1.0, 1.0, 0.3); } vertices.push_back(location); } ofFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices); ofEndShape(true); string word = "Yes!"; this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |