Spaces:
Running
Running
/** | |
* @author mrdoob / http://mrdoob.com/ | |
* @author alteredq / http://alteredqualia.com/ | |
* @author paulirish / http://paulirish.com/ | |
*/ | |
THREE.FirstPersonControls = function ( object, domElement ) { | |
this.object = object; | |
this.domElement = ( domElement !== undefined ) ? domElement : document; | |
this.enabled = true; | |
this.movementSpeed = 1.0; | |
this.lookSpeed = 0.005; | |
this.lookVertical = true; | |
this.autoForward = false; | |
this.activeLook = true; | |
this.heightSpeed = false; | |
this.heightCoef = 1.0; | |
this.heightMin = 0.0; | |
this.heightMax = 1.0; | |
this.constrainVertical = false; | |
this.verticalMin = 0; | |
this.verticalMax = Math.PI; | |
this.autoSpeedFactor = 0.0; | |
this.mouseX = 0; | |
this.mouseY = 0; | |
this.moveForward = false; | |
this.moveBackward = false; | |
this.moveLeft = false; | |
this.moveRight = false; | |
this.mouseDragOn = false; | |
this.viewHalfX = 0; | |
this.viewHalfY = 0; | |
// private variables | |
var lat = 0; | |
var lon = 0; | |
var lookDirection = new THREE.Vector3(); | |
var spherical = new THREE.Spherical(); | |
var target = new THREE.Vector3(); | |
// | |
if ( this.domElement !== document ) { | |
this.domElement.setAttribute( 'tabindex', - 1 ); | |
} | |
// | |
this.handleResize = function () { | |
if ( this.domElement === document ) { | |
this.viewHalfX = window.innerWidth / 2; | |
this.viewHalfY = window.innerHeight / 2; | |
} else { | |
this.viewHalfX = this.domElement.offsetWidth / 2; | |
this.viewHalfY = this.domElement.offsetHeight / 2; | |
} | |
}; | |
this.onMouseDown = function ( event ) { | |
if ( this.domElement !== document ) { | |
this.domElement.focus(); | |
} | |
event.preventDefault(); | |
event.stopPropagation(); | |
if ( this.activeLook ) { | |
switch ( event.button ) { | |
case 0: this.moveForward = true; break; | |
case 2: this.moveBackward = true; break; | |
} | |
} | |
this.mouseDragOn = true; | |
}; | |
this.onMouseUp = function ( event ) { | |
event.preventDefault(); | |
event.stopPropagation(); | |
if ( this.activeLook ) { | |
switch ( event.button ) { | |
case 0: this.moveForward = false; break; | |
case 2: this.moveBackward = false; break; | |
} | |
} | |
this.mouseDragOn = false; | |
}; | |
this.onMouseMove = function ( event ) { | |
if ( this.domElement === document ) { | |
this.mouseX = event.pageX - this.viewHalfX; | |
this.mouseY = event.pageY - this.viewHalfY; | |
} else { | |
this.mouseX = event.pageX - this.domElement.offsetLeft - this.viewHalfX; | |
this.mouseY = event.pageY - this.domElement.offsetTop - this.viewHalfY; | |
} | |
}; | |
this.onKeyDown = function ( event ) { | |
//event.preventDefault(); | |
switch ( event.keyCode ) { | |
case 38: /*up*/ | |
case 87: /*W*/ this.moveForward = true; break; | |
case 37: /*left*/ | |
case 65: /*A*/ this.moveLeft = true; break; | |
case 40: /*down*/ | |
case 83: /*S*/ this.moveBackward = true; break; | |
case 39: /*right*/ | |
case 68: /*D*/ this.moveRight = true; break; | |
case 82: /*R*/ this.moveUp = true; break; | |
case 70: /*F*/ this.moveDown = true; break; | |
} | |
}; | |
this.onKeyUp = function ( event ) { | |
switch ( event.keyCode ) { | |
case 38: /*up*/ | |
case 87: /*W*/ this.moveForward = false; break; | |
case 37: /*left*/ | |
case 65: /*A*/ this.moveLeft = false; break; | |
case 40: /*down*/ | |
case 83: /*S*/ this.moveBackward = false; break; | |
case 39: /*right*/ | |
case 68: /*D*/ this.moveRight = false; break; | |
case 82: /*R*/ this.moveUp = false; break; | |
case 70: /*F*/ this.moveDown = false; break; | |
} | |
}; | |
this.lookAt = function ( x, y, z ) { | |
if ( x.isVector3 ) { | |
target.copy( x ); | |
} else { | |
target.set( x, y, z ); | |
} | |
this.object.lookAt( target ); | |
setOrientation( this ); | |
return this; | |
}; | |
this.update = function () { | |
var targetPosition = new THREE.Vector3(); | |
return function update( delta ) { | |
if ( this.enabled === false ) return; | |
if ( this.heightSpeed ) { | |
var y = THREE.Math.clamp( this.object.position.y, this.heightMin, this.heightMax ); | |
var heightDelta = y - this.heightMin; | |
this.autoSpeedFactor = delta * ( heightDelta * this.heightCoef ); | |
} else { | |
this.autoSpeedFactor = 0.0; | |
} | |
var actualMoveSpeed = delta * this.movementSpeed; | |
if ( this.moveForward || ( this.autoForward && ! this.moveBackward ) ) this.object.translateZ( - ( actualMoveSpeed + this.autoSpeedFactor ) ); | |
if ( this.moveBackward ) this.object.translateZ( actualMoveSpeed ); | |
if ( this.moveLeft ) this.object.translateX( - actualMoveSpeed ); | |
if ( this.moveRight ) this.object.translateX( actualMoveSpeed ); | |
if ( this.moveUp ) this.object.translateY( actualMoveSpeed ); | |
if ( this.moveDown ) this.object.translateY( - actualMoveSpeed ); | |
var actualLookSpeed = delta * this.lookSpeed; | |
if ( ! this.activeLook ) { | |
actualLookSpeed = 0; | |
} | |
var verticalLookRatio = 1; | |
if ( this.constrainVertical ) { | |
verticalLookRatio = Math.PI / ( this.verticalMax - this.verticalMin ); | |
} | |
lon -= this.mouseX * actualLookSpeed; | |
if ( this.lookVertical ) lat -= this.mouseY * actualLookSpeed * verticalLookRatio; | |
lat = Math.max( - 85, Math.min( 85, lat ) ); | |
var phi = THREE.Math.degToRad( 90 - lat ); | |
var theta = THREE.Math.degToRad( lon ); | |
if ( this.constrainVertical ) { | |
phi = THREE.Math.mapLinear( phi, 0, Math.PI, this.verticalMin, this.verticalMax ); | |
} | |
var position = this.object.position; | |
targetPosition.setFromSphericalCoords( 1, phi, theta ).add( position ); | |
this.object.lookAt( targetPosition ); | |
}; | |
}(); | |
function contextmenu( event ) { | |
event.preventDefault(); | |
} | |
this.dispose = function () { | |
this.domElement.removeEventListener( 'contextmenu', contextmenu, false ); | |
this.domElement.removeEventListener( 'mousedown', _onMouseDown, false ); | |
this.domElement.removeEventListener( 'mousemove', _onMouseMove, false ); | |
this.domElement.removeEventListener( 'mouseup', _onMouseUp, false ); | |
window.removeEventListener( 'keydown', _onKeyDown, false ); | |
window.removeEventListener( 'keyup', _onKeyUp, false ); | |
}; | |
var _onMouseMove = bind( this, this.onMouseMove ); | |
var _onMouseDown = bind( this, this.onMouseDown ); | |
var _onMouseUp = bind( this, this.onMouseUp ); | |
var _onKeyDown = bind( this, this.onKeyDown ); | |
var _onKeyUp = bind( this, this.onKeyUp ); | |
this.domElement.addEventListener( 'contextmenu', contextmenu, false ); | |
this.domElement.addEventListener( 'mousemove', _onMouseMove, false ); | |
this.domElement.addEventListener( 'mousedown', _onMouseDown, false ); | |
this.domElement.addEventListener( 'mouseup', _onMouseUp, false ); | |
window.addEventListener( 'keydown', _onKeyDown, false ); | |
window.addEventListener( 'keyup', _onKeyUp, false ); | |
function bind( scope, fn ) { | |
return function () { | |
fn.apply( scope, arguments ); | |
}; | |
} | |
function setOrientation( controls ) { | |
var quaternion = controls.object.quaternion; | |
lookDirection.set( 0, 0, - 1 ).applyQuaternion( quaternion ); | |
spherical.setFromVector3( lookDirection ); | |
lat = 90 - THREE.Math.radToDeg( spherical.phi ); | |
lon = THREE.Math.radToDeg( spherical.theta ); | |
} | |
this.handleResize(); | |
setOrientation( this ); | |
}; | |