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LeapMotionで取得した手の移動速度で可視化。
Visualize velocity from LeapMotion.
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#pragma once #include "ofMain.h" // Leap Motion SDK #include "Leap.h" #pragma comment(lib, "Leap.lib") 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) {}; // Leap Motion Leap::Controller leap; ofEasyCam cam; vector<glm::vec3> location_list; vector<glm::vec3> velocity_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { Leap::Frame frame = this->leap.frame(); for (Leap::Hand hand : frame.hands()) { auto velocity = glm::vec3(hand.palmVelocity().x * -1, hand.palmVelocity().y * -1, hand.palmVelocity().z); auto location = glm::vec3( ofMap(hand.palmPosition().x, -300, 300, -ofGetWidth() * 0.5, ofGetWidth() * 0.5), ofMap(hand.palmPosition().y, 0, 300, -ofGetHeight() * 0.5, ofGetHeight() * 0.5), hand.palmPosition().z); auto future = location + velocity * 100; auto random_deg_1 = ofRandom(360); auto random_deg_2 = ofRandom(360); future += glm::vec3( 100 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD), 100 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD), 100 * cos(random_deg_2 * DEG_TO_RAD) ); auto future_distance = future - location; this->location_list.push_back(location); this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(velocity * 0.05)); } for (int i = this->location_list.size() - 1; i > -1; i--) { this->location_list[i] += this->velocity_list[i]; this->velocity_list[i] *= 1.01; if (glm::length(this->location_list[i]) > 720) { this->location_list.erase(this->location_list.begin() + i); this->velocity_list.erase(this->velocity_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (auto& location : this->location_list) { ofDrawSphere(location, 5); for (auto& other : this->location_list) { if (location == other) continue; if (glm::distance(location, other) < 100) { ofDrawLine(location, other); } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |