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球体の上を移動する球体を結ぶ。
Connect sphere on the sphere.
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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) {}; ofEasyCam cam; ofMesh base_mesh, draw_mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetColor(255); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(250, 3); this->base_mesh = ico_sphere.getMesh(); this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->draw_mesh.clear(); for (auto v : this->base_mesh.getVertices()) { for (int i = 0; i < 4; i++) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.002, ofGetFrameNum() * 0.005)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.002, ofGetFrameNum() * 0.005)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.002, ofGetFrameNum() * 0.005)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x; } this->draw_mesh.addVertex(v); } for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) { for (int k = i; k < this->draw_mesh.getNumVertices(); k++) { if (glm::distance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 30) { this->draw_mesh.addIndex(i); this->draw_mesh.addIndex(k); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 3.5); for (auto& vertex : this->draw_mesh.getVertices()) { ofDrawSphere(vertex, 2); } this->draw_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |