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var Demo = Demo || {}; | |
Demo.Cache = Demo.Cache || {}; | |
Demo.Cache = function (context) { | |
this.context = context; | |
this._cachedVertices = []; | |
this._cachedCentroidPoints = []; |
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// loop through all the rays and look to see if all of their collisions objects show the same values. | |
// | |
// essentially, a ray will intersect all faces in one particular direction. 3 cubes = 6 faces = 6 intersections | |
// if all of the intersections show a 'selection' has take place, it'll check the selection types (ttt property) | |
function checkForTTT(){ | |
var i,j, | |
collisions, | |
ticUser1, | |
ticUser2; |
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function createRays() { | |
var setup = { | |
xDirection: xDirection = new THREE.Vector3(-1,0,0), | |
yDirection: yDirection = new THREE.Vector3(0,-1,0), | |
zDirection: zDirection = new THREE.Vector3(0,0,-1), | |
xy1Direction: xy1Direction = new THREE.Vector3(-1,-1,0).normalize(), | |
xy2Direction: xy2Direction = new THREE.Vector3(-1,1,0).normalize(), | |
xz1Direction: xz1Direction = new THREE.Vector3(-1,0,-1).normalize(), | |
xz2Direction: xz2Direction = new THREE.Vector3(-1,0,1).normalize(), |
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function listeners () { | |
demo.jqContainer.mousedown(mouseDown); | |
demo.jqContainer.mouseup(mouseUp); | |
demo.jqContainer.mousemove(marqueeSelect); | |
$(document).mousemove(resetMarquee); | |
} | |
function resetMarquee () { | |
mouseup = true; | |
mousedown = false; |
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function init() { | |
$('#jqv').text($.fn.jquery); | |
$('#tjsv').text(THREE.REVISION); | |
demo = new Demo.Scene("ray-intersection"); | |
demo.rotateCamera = true; | |
listeners(); | |
// start the animation | |
// this also does all of the setup. i've encapsulated all of this work for brevity. |
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function listeners () { | |
document.addEventListener('click', castRay, false); | |
} | |
function castRay (event) { | |
event.preventDefault(); | |
var mouse = {}; |
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