174 lines
2.8 KiB
JavaScript
174 lines
2.8 KiB
JavaScript
/**
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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, onError ) {
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var scope = this;
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var vrDisplay, vrDisplays;
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var standingMatrix = new THREE.Matrix4();
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var frameData = null;
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if ( 'VRFrameData' in window ) {
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frameData = new VRFrameData();
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}
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function gotVRDisplays( displays ) {
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vrDisplays = displays;
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if ( displays.length > 0 ) {
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vrDisplay = displays[ 0 ];
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} else {
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if ( onError ) onError( 'VR input not available.' );
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}
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}
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if ( navigator.getVRDisplays ) {
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navigator.getVRDisplays().then( gotVRDisplays ).catch ( function () {
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console.warn( 'THREE.VRControls: Unable to get VR Displays' );
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} );
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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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// If true will use "standing space" coordinate system where y=0 is the
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// floor and x=0, z=0 is the center of the room.
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this.standing = false;
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// Distance from the users eyes to the floor in meters. Used when
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// standing=true but the VRDisplay doesn't provide stageParameters.
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this.userHeight = 1.6;
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this.getVRDisplay = function () {
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return vrDisplay;
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};
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this.setVRDisplay = function ( value ) {
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vrDisplay = value;
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};
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this.getVRDisplays = function () {
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console.warn( 'THREE.VRControls: getVRDisplays() is being deprecated.' );
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return vrDisplays;
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};
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this.getStandingMatrix = function () {
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return standingMatrix;
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};
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this.update = function () {
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if ( vrDisplay ) {
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var pose;
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if ( vrDisplay.getFrameData ) {
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vrDisplay.getFrameData( frameData );
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pose = frameData.pose;
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} else if ( vrDisplay.getPose ) {
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pose = vrDisplay.getPose();
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}
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if ( pose.orientation !== null ) {
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object.quaternion.fromArray( pose.orientation );
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}
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if ( pose.position !== null ) {
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object.position.fromArray( pose.position );
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} else {
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object.position.set( 0, 0, 0 );
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}
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if ( this.standing ) {
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if ( vrDisplay.stageParameters ) {
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object.updateMatrix();
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standingMatrix.fromArray( vrDisplay.stageParameters.sittingToStandingTransform );
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object.applyMatrix( standingMatrix );
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} else {
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object.position.setY( object.position.y + this.userHeight );
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}
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}
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object.position.multiplyScalar( scope.scale );
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}
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};
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this.resetPose = function () {
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if ( vrDisplay ) {
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vrDisplay.resetPose();
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}
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};
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this.resetSensor = function () {
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console.warn( 'THREE.VRControls: .resetSensor() is now .resetPose().' );
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this.resetPose();
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};
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this.zeroSensor = function () {
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console.warn( 'THREE.VRControls: .zeroSensor() is now .resetPose().' );
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this.resetPose();
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};
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this.dispose = function () {
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vrDisplay = null;
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};
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};
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