Anders and Briegel in Python
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interaction.js 1.4KB

8 år sedan
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  1. // Gets a reference to the node nearest to the mouse cursor
  2. function nearestNode() {
  3. raycaster.setFromCamera(mouse, camera);
  4. for (var i = 0; i < nodeGeometry.vertices.length; ++i) {
  5. if (raycaster.ray.distanceSqToPoint(nodeGeometry.vertices[i]) < 0.01) {
  6. return i;
  7. }
  8. }
  9. return undefined;
  10. }
  11. // Find out: what is the mouse pointing at?
  12. function checkIntersections() {
  13. var new_selection = nearestNode();
  14. if (new_selection != selection) {
  15. selection = new_selection;
  16. info.className = selection ? "visible" : "hidden";
  17. info.innerHTML = selection ? nodeGeometry.labels[new_selection] : info.innerHTML;
  18. render();
  19. }
  20. }
  21. // Update the mouse position tracker
  22. function onMouseMove(event) {
  23. mouse.wasClick = false;
  24. mouse.absx = event.clientX;
  25. mouse.absy = event.clientY;
  26. mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
  27. mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
  28. w = 200;
  29. h = 15;
  30. info.style.top = mouse.absy - h - 40 + "px";
  31. info.style.left = mouse.absx - w / 2 + "px";
  32. checkIntersections();
  33. }
  34. // Add qubits or whatever
  35. function onClick(event){
  36. if (!selection){return;}
  37. console.log(nodeGeometry.vertices[selection]);
  38. qubits.geometry.dynamic = true;
  39. qubits.geometry.vertices.push(nodeGeometry.vertices[selection].clone());
  40. qubits.geometry.verticesNeedUpdate = true;
  41. }