beginning vive support

dependencies/VRControls.js

+/**
+ * @author dmarcos / https://github.com/dmarcos
+ * @author mrdoob / http://mrdoob.com
+ */
+
+THREE.VRControls = function ( object, onError ) {
+
+	var scope = this;
+
+	var vrDisplay, vrDisplays;
+
+	var standingMatrix = new THREE.Matrix4();
+
+	var frameData = null;
+
+	if ( 'VRFrameData' in window ) {
+
+		frameData = new VRFrameData();
+
+	}
+
+	function gotVRDisplays( displays ) {
+
+		vrDisplays = displays;
+
+		if ( displays.length > 0 ) {
+
+			vrDisplay = displays[ 0 ];
+
+		} else {
+
+			if ( onError ) onError( 'VR input not available.' );
+
+		}
+
+	}
+
+	if ( navigator.getVRDisplays ) {
+
+		navigator.getVRDisplays().then( gotVRDisplays ).catch( function () {
+
+			console.warn( 'THREE.VRControls: Unable to get VR Displays' );
+
+		} );
+
+	}
+
+	// the Rift SDK returns the position in meters
+	// this scale factor allows the user to define how meters
+	// are converted to scene units.
+
+	this.scale = 1;
+
+	// If true will use "standing space" coordinate system where y=0 is the
+	// floor and x=0, z=0 is the center of the room.
+	this.standing = false;
+
+	// Distance from the users eyes to the floor in meters. Used when
+	// standing=true but the VRDisplay doesn't provide stageParameters.
+	this.userHeight = 1.6;
+
+	this.getVRDisplay = function () {
+
+		return vrDisplay;
+
+	};
+
+	this.setVRDisplay = function ( value ) {
+
+		vrDisplay = value;
+
+	};
+
+	this.getVRDisplays = function () {
+
+		console.warn( 'THREE.VRControls: getVRDisplays() is being deprecated.' );
+		return vrDisplays;
+
+	};
+
+	this.getStandingMatrix = function () {
+
+		return standingMatrix;
+
+	};
+
+	this.update = function () {
+
+		if ( vrDisplay ) {
+
+			var pose;
+
+			if ( vrDisplay.getFrameData ) {
+
+				vrDisplay.getFrameData( frameData );
+				pose = frameData.pose;
+
+			} else if ( vrDisplay.getPose ) {
+
+				pose = vrDisplay.getPose();
+
+			}
+
+			if ( pose.orientation !== null ) {
+
+				object.quaternion.fromArray( pose.orientation );
+
+			}
+
+			if ( pose.position !== null ) {
+
+				object.position.fromArray( pose.position );
+
+			} else {
+
+				object.position.set( 0, 0, 0 );
+
+			}
+
+			if ( this.standing ) {
+
+				if ( vrDisplay.stageParameters ) {
+
+					object.updateMatrix();
+
+					standingMatrix.fromArray( vrDisplay.stageParameters.sittingToStandingTransform );
+					object.applyMatrix( standingMatrix );
+
+				} else {
+
+					object.position.setY( object.position.y + this.userHeight );
+
+				}
+
+			}
+
+			object.position.multiplyScalar( scope.scale );
+
+		}
+
+	};
+
+	this.dispose = function () {
+
+		vrDisplay = null;
+
+	};
+
+};

dependencies/VREffect.js

+/**
+ * @author dmarcos / https://github.com/dmarcos
+ * @author mrdoob / http://mrdoob.com
+ *
+ * WebVR Spec: http://mozvr.github.io/webvr-spec/webvr.html
+ *
+ * Firefox: http://mozvr.com/downloads/
+ * Chromium: https://webvr.info/get-chrome
+ */
+
+THREE.VREffect = function ( renderer, onError ) {
+
+	var vrDisplay, vrDisplays;
+	var eyeTranslationL = new THREE.Vector3();
+	var eyeTranslationR = new THREE.Vector3();
+	var renderRectL, renderRectR;
+
+	var frameData = null;
+
+	if ( 'VRFrameData' in window ) {
+
+		frameData = new window.VRFrameData();
+
+	}
+
+	function gotVRDisplays( displays ) {
+
+		vrDisplays = displays;
+
+		if ( displays.length > 0 ) {
+
+			vrDisplay = displays[ 0 ];
+
+		} else {
+
+			if ( onError ) onError( 'HMD not available' );
+
+		}
+
+	}
+
+	if ( navigator.getVRDisplays ) {
+
+		navigator.getVRDisplays().then( gotVRDisplays ).catch( function () {
+
+			console.warn( 'THREE.VREffect: Unable to get VR Displays' );
+
+		} );
+
+	}
+
+	//
+
+	this.isPresenting = false;
+
+	var scope = this;
+
+	var rendererSize = renderer.getSize();
+	var rendererUpdateStyle = false;
+	var rendererPixelRatio = renderer.getPixelRatio();
+
+	this.getVRDisplay = function () {
+
+		return vrDisplay;
+
+	};
+
+	this.setVRDisplay = function ( value ) {
+
+		vrDisplay = value;
+
+	};
+
+	this.getVRDisplays = function () {
+
+		console.warn( 'THREE.VREffect: getVRDisplays() is being deprecated.' );
+		return vrDisplays;
+
+	};
+
+	this.setSize = function ( width, height, updateStyle ) {
+
+		rendererSize = { width: width, height: height };
+		rendererUpdateStyle = updateStyle;
+
+		if ( scope.isPresenting ) {
+
+			var eyeParamsL = vrDisplay.getEyeParameters( 'left' );
+			renderer.setPixelRatio( 1 );
+			renderer.setSize( eyeParamsL.renderWidth * 2, eyeParamsL.renderHeight, false );
+
+		} else {
+
+			renderer.setPixelRatio( rendererPixelRatio );
+			renderer.setSize( width, height, updateStyle );
+
+		}
+
+	};
+
+	// VR presentation
+
+	var canvas = renderer.domElement;
+	var defaultLeftBounds = [ 0.0, 0.0, 0.5, 1.0 ];
+	var defaultRightBounds = [ 0.5, 0.0, 0.5, 1.0 ];
+
+	function onVRDisplayPresentChange() {
+
+		var wasPresenting = scope.isPresenting;
+		scope.isPresenting = vrDisplay !== undefined && vrDisplay.isPresenting;
+
+		if ( scope.isPresenting ) {
+
+			var eyeParamsL = vrDisplay.getEyeParameters( 'left' );
+			var eyeWidth = eyeParamsL.renderWidth;
+			var eyeHeight = eyeParamsL.renderHeight;
+
+			if ( ! wasPresenting ) {
+
+				rendererPixelRatio = renderer.getPixelRatio();
+				rendererSize = renderer.getSize();
+
+				renderer.setPixelRatio( 1 );
+				renderer.setSize( eyeWidth * 2, eyeHeight, false );
+
+			}
+
+		} else if ( wasPresenting ) {
+
+			renderer.setPixelRatio( rendererPixelRatio );
+			renderer.setSize( rendererSize.width, rendererSize.height, rendererUpdateStyle );
+
+		}
+
+	}
+
+	window.addEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false );
+
+	this.setFullScreen = function ( boolean ) {
+
+		return new Promise( function ( resolve, reject ) {
+
+			if ( vrDisplay === undefined ) {
+
+				reject( new Error( 'No VR hardware found.' ) );
+				return;
+
+			}
+
+			if ( scope.isPresenting === boolean ) {
+
+				resolve();
+				return;
+
+			}
+
+			if ( boolean ) {
+
+				resolve( vrDisplay.requestPresent( [ { source: canvas } ] ) );
+
+			} else {
+
+				resolve( vrDisplay.exitPresent() );
+
+			}
+
+		} );
+
+	};
+
+	this.requestPresent = function () {
+
+		return this.setFullScreen( true );
+
+	};
+
+	this.exitPresent = function () {
+
+		return this.setFullScreen( false );
+
+	};
+
+	this.requestAnimationFrame = function ( f ) {
+
+		if ( vrDisplay !== undefined ) {
+
+			return vrDisplay.requestAnimationFrame( f );
+
+		} else {
+
+			return window.requestAnimationFrame( f );
+
+		}
+
+	};
+
+	this.cancelAnimationFrame = function ( h ) {
+
+		if ( vrDisplay !== undefined ) {
+
+			vrDisplay.cancelAnimationFrame( h );
+
+		} else {
+
+			window.cancelAnimationFrame( h );
+
+		}
+
+	};
+
+	this.submitFrame = function () {
+
+		if ( vrDisplay !== undefined && scope.isPresenting ) {
+
+			vrDisplay.submitFrame();
+
+		}
+
+	};
+
+	this.autoSubmitFrame = true;
+
+	// render
+
+	var cameraL = new THREE.PerspectiveCamera();
+	cameraL.layers.enable( 1 );
+
+	var cameraR = new THREE.PerspectiveCamera();
+	cameraR.layers.enable( 2 );
+
+	this.render = function ( scene, camera, renderTarget, forceClear ) {
+
+		if ( vrDisplay && scope.isPresenting ) {
+
+			var autoUpdate = scene.autoUpdate;
+
+			if ( autoUpdate ) {
+
+				scene.updateMatrixWorld();
+				scene.autoUpdate = false;
+
+			}
+
+			var eyeParamsL = vrDisplay.getEyeParameters( 'left' );
+			var eyeParamsR = vrDisplay.getEyeParameters( 'right' );
+
+			eyeTranslationL.fromArray( eyeParamsL.offset );
+			eyeTranslationR.fromArray( eyeParamsR.offset );
+
+			if ( Array.isArray( scene ) ) {
+
+				console.warn( 'THREE.VREffect.render() no longer supports arrays. Use object.layers instead.' );
+				scene = scene[ 0 ];
+
+			}
+
+			// When rendering we don't care what the recommended size is, only what the actual size
+			// of the backbuffer is.
+			var size = renderer.getSize();
+			var layers = vrDisplay.getLayers();
+			var leftBounds;
+			var rightBounds;
+
+			if ( layers.length ) {
+
+				var layer = layers[ 0 ];
+
+				leftBounds = layer.leftBounds !== null && layer.leftBounds.length === 4 ? layer.leftBounds : defaultLeftBounds;
+				rightBounds = layer.rightBounds !== null && layer.rightBounds.length === 4 ? layer.rightBounds : defaultRightBounds;
+
+			} else {
+
+				leftBounds = defaultLeftBounds;
+				rightBounds = defaultRightBounds;
+
+			}
+
+			renderRectL = {
+				x: Math.round( size.width * leftBounds[ 0 ] ),
+				y: Math.round( size.height * leftBounds[ 1 ] ),
+				width: Math.round( size.width * leftBounds[ 2 ] ),
+				height: Math.round( size.height * leftBounds[ 3 ] )
+			};
+			renderRectR = {
+				x: Math.round( size.width * rightBounds[ 0 ] ),
+				y: Math.round( size.height * rightBounds[ 1 ] ),
+				width: Math.round( size.width * rightBounds[ 2 ] ),
+				height: Math.round( size.height * rightBounds[ 3 ] )
+			};
+
+			if ( renderTarget ) {
+
+				renderer.setRenderTarget( renderTarget );
+				renderTarget.scissorTest = true;
+
+			} else {
+
+				renderer.setRenderTarget( null );
+				renderer.setScissorTest( true );
+
+			}
+
+			if ( renderer.autoClear || forceClear ) renderer.clear();
+
+			if ( camera.parent === null ) camera.updateMatrixWorld();
+
+			camera.matrixWorld.decompose( cameraL.position, cameraL.quaternion, cameraL.scale );
+
+			cameraR.position.copy( cameraL.position );
+			cameraR.quaternion.copy( cameraL.quaternion );
+			cameraR.scale.copy( cameraL.scale );
+
+			cameraL.translateOnAxis( eyeTranslationL, cameraL.scale.x );
+			cameraR.translateOnAxis( eyeTranslationR, cameraR.scale.x );
+
+			if ( vrDisplay.getFrameData ) {
+
+				vrDisplay.depthNear = camera.near;
+				vrDisplay.depthFar = camera.far;
+
+				vrDisplay.getFrameData( frameData );
+
+				cameraL.projectionMatrix.elements = frameData.leftProjectionMatrix;
+				cameraR.projectionMatrix.elements = frameData.rightProjectionMatrix;
+
+			} else {
+
+				cameraL.projectionMatrix = fovToProjection( eyeParamsL.fieldOfView, true, camera.near, camera.far );
+				cameraR.projectionMatrix = fovToProjection( eyeParamsR.fieldOfView, true, camera.near, camera.far );
+
+			}
+
+			// render left eye
+			if ( renderTarget ) {
+
+				renderTarget.viewport.set( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height );
+				renderTarget.scissor.set( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height );
+
+			} else {
+
+				renderer.setViewport( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height );
+				renderer.setScissor( renderRectL.x, renderRectL.y, renderRectL.width, renderRectL.height );
+
+			}
+			renderer.render( scene, cameraL, renderTarget, forceClear );
+
+			// render right eye
+			if ( renderTarget ) {
+
+				renderTarget.viewport.set( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height );
+				renderTarget.scissor.set( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height );
+
+			} else {
+
+				renderer.setViewport( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height );
+				renderer.setScissor( renderRectR.x, renderRectR.y, renderRectR.width, renderRectR.height );
+
+			}
+			renderer.render( scene, cameraR, renderTarget, forceClear );
+
+			if ( renderTarget ) {
+
+				renderTarget.viewport.set( 0, 0, size.width, size.height );
+				renderTarget.scissor.set( 0, 0, size.width, size.height );
+				renderTarget.scissorTest = false;
+				renderer.setRenderTarget( null );
+
+			} else {
+
+				renderer.setViewport( 0, 0, size.width, size.height );
+				renderer.setScissorTest( false );
+
+			}
+
+			if ( autoUpdate ) {
+
+				scene.autoUpdate = true;
+
+			}
+
+			if ( scope.autoSubmitFrame ) {
+
+				scope.submitFrame();
+
+			}
+
+			return;
+
+		}
+
+		// Regular render mode if not HMD
+
+		renderer.render( scene, camera, renderTarget, forceClear );
+
+	};
+
+	this.dispose = function () {
+
+		window.removeEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false );
+
+	};
+
+	//
+
+	function fovToNDCScaleOffset( fov ) {
+
+		var pxscale = 2.0 / ( fov.leftTan + fov.rightTan );
+		var pxoffset = ( fov.leftTan - fov.rightTan ) * pxscale * 0.5;
+		var pyscale = 2.0 / ( fov.upTan + fov.downTan );
+		var pyoffset = ( fov.upTan - fov.downTan ) * pyscale * 0.5;
+		return { scale: [ pxscale, pyscale ], offset: [ pxoffset, pyoffset ] };
+
+	}
+
+	function fovPortToProjection( fov, rightHanded, zNear, zFar ) {
+
+		rightHanded = rightHanded === undefined ? true : rightHanded;
+		zNear = zNear === undefined ? 0.01 : zNear;
+		zFar = zFar === undefined ? 10000.0 : zFar;
+
+		var handednessScale = rightHanded ? - 1.0 : 1.0;
+
+		// start with an identity matrix
+		var mobj = new THREE.Matrix4();
+		var m = mobj.elements;
+
+		// and with scale/offset info for normalized device coords
+		var scaleAndOffset = fovToNDCScaleOffset( fov );
+
+		// X result, map clip edges to [-w,+w]
+		m[ 0 * 4 + 0 ] = scaleAndOffset.scale[ 0 ];
+		m[ 0 * 4 + 1 ] = 0.0;
+		m[ 0 * 4 + 2 ] = scaleAndOffset.offset[ 0 ] * handednessScale;
+		m[ 0 * 4 + 3 ] = 0.0;
+
+		// Y result, map clip edges to [-w,+w]
+		// Y offset is negated because this proj matrix transforms from world coords with Y=up,
+		// but the NDC scaling has Y=down (thanks D3D?)
+		m[ 1 * 4 + 0 ] = 0.0;
+		m[ 1 * 4 + 1 ] = scaleAndOffset.scale[ 1 ];
+		m[ 1 * 4 + 2 ] = - scaleAndOffset.offset[ 1 ] * handednessScale;
+		m[ 1 * 4 + 3 ] = 0.0;
+
+		// Z result (up to the app)
+		m[ 2 * 4 + 0 ] = 0.0;
+		m[ 2 * 4 + 1 ] = 0.0;
+		m[ 2 * 4 + 2 ] = zFar / ( zNear - zFar ) * - handednessScale;
+		m[ 2 * 4 + 3 ] = ( zFar * zNear ) / ( zNear - zFar );
+
+		// W result (= Z in)
+		m[ 3 * 4 + 0 ] = 0.0;
+		m[ 3 * 4 + 1 ] = 0.0;
+		m[ 3 * 4 + 2 ] = handednessScale;
+		m[ 3 * 4 + 3 ] = 0.0;
+
+		mobj.transpose();
+		return mobj;
+
+	}
+
+	function fovToProjection( fov, rightHanded, zNear, zFar ) {
+
+		var DEG2RAD = Math.PI / 180.0;
+
+		var fovPort = {
+			upTan: Math.tan( fov.upDegrees * DEG2RAD ),
+			downTan: Math.tan( fov.downDegrees * DEG2RAD ),
+			leftTan: Math.tan( fov.leftDegrees * DEG2RAD ),
+			rightTan: Math.tan( fov.rightDegrees * DEG2RAD )
+		};
+
+		return fovPortToProjection( fovPort, rightHanded, zNear, zFar );