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分割された円形。
Division circle.
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { for (int x = 160; x < 620; x += 100) { for (int y = 160; y < 620; y += 100) { ofPushMatrix(); ofTranslate(x, y); ofRotateZ(ofMap(ofNoise(x, y, ofGetFrameNum() * 0.0035), 0, 1, -360, 360)); auto radius = 40; auto deg_start = 0; auto deg_end = deg_start + 180; auto deg_span = 10; for (int deg = deg_start; deg < deg_end; deg += deg_span) { auto center = glm::vec2(radius * cos((deg + deg_span / 2) * DEG_TO_RAD), 0); auto noise_value = ofNoise((x + center.x) * 0.0075, y * 0.0075, ofGetFrameNum() * 0.01); auto rotate = noise_value < 0.5 ? 0.f : ofMap(noise_value, 0.5, 1, 0, 360); ofPushMatrix(); ofTranslate(center); ofRotateX(rotate); vector<glm::vec2> vertices_1, vertices_2; for (int tmp_deg = deg + 1; tmp_deg < deg + deg_span; tmp_deg++) { auto point = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD)); vertices_1.push_back(point - center); vertices_2.push_back(glm::vec2(point.x, -point.y) - center); } reverse(vertices_2.begin(), vertices_2.end()); ofFill(); ofSetColor(0); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); ofNoFill(); ofSetColor(255, 0, 0); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); ofPopMatrix(); } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |