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2つのアメーバ。
Pair ameba.
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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) {}; ofMesh mesh; vector<float> noise_seed_list; vector<float> noise_param_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); ofSetLineWidth(2); this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int i = 0; i < 2; i++) { this->noise_seed_list.push_back(ofRandom(1000)); this->noise_param_list.push_back(0); } } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); int radius = 320; int span = 28; for (int deg_start = 1; deg_start < 360; deg_start += 90) { for (int deg = deg_start; deg < deg_start + 88; deg += 2) { for (int i = 0; i < this->noise_seed_list.size(); i++) { auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto noise_param = ofMap(ofNoise(this->noise_seed_list[i], deg * 0.025 + this->noise_param_list[i]), 0, 1, 0.5, 1.0); this->mesh.addVertex(glm::vec3(radius * noise_param * cos(deg * DEG_TO_RAD), radius * noise_param * sin(deg * DEG_TO_RAD), 0)); if (i > 0) { this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); } if (deg > deg_start) { this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - this->noise_seed_list.size() - 1); } if (i % 2 == 0) { this->mesh.addColor(ofColor(0, 0, 255)); } else { this->mesh.addColor(ofColor(255, 0, 0)); } } } } for (int i = 0; i < this->noise_param_list.size(); i++) { this->noise_param_list[i] += 0.008; } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); this->mesh.drawWireframe(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |