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A few updates. #2

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A few updates. #2

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42 changes: 20 additions & 22 deletions sim/sim.js
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Original file line number Diff line number Diff line change
Expand Up @@ -113,15 +113,11 @@ Sim.App.prototype.init = function(param)
var root = new THREE.Object3D();
scene.add(root);

// Create a projector to handle picking
var projector = new THREE.Projector();

// Save away a few things
this.container = container;
this.renderer = renderer;
this.scene = scene;
this.camera = camera;
this.projector = projector;
this.root = root;

// Set up event handlers
Expand Down Expand Up @@ -188,12 +184,8 @@ Sim.App.prototype.initMouse = function()
function(e) { that.onDocumentMouseDown(e); }, false );
dom.addEventListener( 'mouseup',
function(e) { that.onDocumentMouseUp(e); }, false );

$(dom).mousewheel(
function(e, delta) {
that.onDocumentMouseScroll(e, delta);
}
);

dom.addEventListener('wheel', function(e){that.onDocumentMouseScroll(e)}, false);

this.overObject = null;
this.clickedObject = null;
Expand Down Expand Up @@ -327,34 +319,40 @@ Sim.App.prototype.onDocumentMouseUp = function(event)
this.clickedObject = null;
}

Sim.App.prototype.onDocumentMouseScroll = function(event, delta)
Sim.App.prototype.onDocumentMouseScroll = function(event)
{
event.preventDefault();

if (this.handleMouseScroll)
{
var e = window.event || e;
var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
this.handleMouseScroll(delta);
}
}

Sim.App.prototype.objectFromMouse = function(pagex, pagey)
{
// Translate page coords to element coords
var offset = $(this.renderer.domElement).offset();
var eltx = pagex - offset.left;
var elty = pagey - offset.top;
var offsetLeft = this.renderer.domElement.offsetLeft;
var offsetTop = this.renderer.domElement.offsetTop;
var eltx = pagex - offsetLeft;
var elty = pagey - offsetTop;

// Translate client coords into viewport x,y
var vpx = ( eltx / this.container.offsetWidth ) * 2 - 1;
var vpy = - ( elty / this.container.offsetHeight ) * 2 + 1;

var vector = new THREE.Vector3( vpx, vpy, 0.5 );

this.projector.unprojectVector( vector, this.camera );
var vpy = - ( elty / this.container.offsetHeight ) * 2 + 1;

var ray = new THREE.Ray( this.camera.position, vector.subSelf( this.camera.position ).normalize() );

var intersects = ray.intersectScene( this.scene );
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();

mouse.x = vpx;
mouse.y = vpy;

raycaster.setFromCamera(mouse, this.camera);

var intersects = raycaster.intersectObjects( this.scene.children );


if ( intersects.length > 0 ) {

Expand Down