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https://github.com/Doodle3D/Doodle3D-Slicer.git
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79 lines
1.3 KiB
JavaScript
79 lines
1.3 KiB
JavaScript
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/**
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* @author dmarcos / https://github.com/dmarcos
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* @author mrdoob / http://mrdoob.com
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*/
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THREE.VRControls = function ( object, callback ) {
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var scope = this;
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var vrInput;
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var onVRDevices = function ( devices ) {
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for ( var i = 0; i < devices.length; i ++ ) {
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var device = devices[ i ];
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if ( device instanceof PositionSensorVRDevice ) {
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vrInput = devices[ i ];
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return; // We keep the first we encounter
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}
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}
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if ( callback !== undefined ) {
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callback( 'HMD not available' );
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}
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};
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if ( navigator.getVRDevices !== undefined ) {
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navigator.getVRDevices().then( onVRDevices );
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} else if ( callback !== undefined ) {
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callback( 'Your browser is not VR Ready' );
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}
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// the Rift SDK returns the position in meters
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// this scale factor allows the user to define how meters
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// are converted to scene units.
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this.scale = 1;
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this.update = function () {
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if ( vrInput === undefined ) return;
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var state = vrInput.getState();
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if ( state.orientation !== null ) {
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object.quaternion.copy( state.orientation );
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}
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if ( state.position !== null ) {
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object.position.copy( state.position ).multiplyScalar( scope.scale );
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}
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};
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this.zeroSensor = function () {
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if ( vrInput === undefined ) return;
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vrInput.zeroSensor();
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};
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};
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