2016-10-07 10:51:37 +02:00
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function Controls() {}
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Controls.FlyControls = function(
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camera,
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THREE,
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canvas
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) {
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2016-10-10 15:01:50 +02:00
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this.flySpeed = 100;
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2016-10-07 10:51:37 +02:00
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this.canvas = canvas;
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this.THREE = THREE;
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this.yaw = 0;
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this.pitch = 0;
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this.canRotate = false;
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this.moveForward = false;
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this.moveBackward = false;
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this.moveLeft = false;
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this.moveRight = false;
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this.moveUp = false;
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this.moveDown = false;
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this.mouseUpCallback = this.onMouseUp.bind(this);
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this.mouseDownCallback = this.onMouseDown.bind(this);
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this.mouseMoveCallback = this.onMouseMove.bind(this);
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2016-10-10 15:01:50 +02:00
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this.mouseWheelCallback = this.onMouseWheel.bind(this);
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2016-10-07 10:51:37 +02:00
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this.keyDownCallback = this.onKeyDown.bind(this);
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this.keyUpCallback = this.onKeyUp.bind(this);
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this.camera = camera;
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this.canvas.addEventListener('keydown', this.keyDownCallback, false);
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this.canvas.addEventListener('keyup', this.keyUpCallback, false);
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this.canvas.addEventListener('mousedown', this.mouseDownCallback, false);
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this.canvas.addEventListener('mouseup', this.mouseUpCallback, false);
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2016-10-10 15:01:50 +02:00
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this.canvas.addEventListener('mousewheel', this.mouseWheelCallback, false);
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this.havePointerLock = 'pointerLockElement' in document || 'mozPointerLockElement' in document || 'webkitPointerLockElement' in document;
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this.element = document.body;
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2016-10-07 10:51:37 +02:00
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if (this.havePointerLock) {
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2016-10-10 15:01:50 +02:00
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this.element.requestPointerLock = this.element.requestPointerLock || this.element.mozRequestPointerLock || this.element.webkitRequestPointerLock;
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document.exitPointerLock = document.exitPointerLock || document.mozExitPointerLock || document.webkitExitPointerLock;
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2016-10-07 10:51:37 +02:00
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}
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2016-10-10 15:01:50 +02:00
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};
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Controls.FlyControls.prototype.onMouseWheel = function(event) {
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this.moveForward = true;
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this.applyTranslation(event.wheelDelta * 0.001);
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event.preventDefault();
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this.moveForward = false;
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2016-10-07 10:51:37 +02:00
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};
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Controls.FlyControls.prototype.onMouseDown = function(event) {
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2016-10-10 15:01:50 +02:00
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// if (event.button == 0) {
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// this.canRotate = true;
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// this.canvas.addEventListener('mousemove', this.mouseMoveCallback, false);
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// if (this.havePointerLock) {
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// this.element.requestPointerLock();
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// }
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// }
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if (event.button == 1) {
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2016-10-07 10:51:37 +02:00
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this.canRotate = true;
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this.canvas.addEventListener('mousemove', this.mouseMoveCallback, false);
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}
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};
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Controls.FlyControls.prototype.onMouseUp = function(event) {
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2016-10-10 15:01:50 +02:00
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// if (event.button == 0) {
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// this.canRotate = false;
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// this.canvas.removeEventListener('mousemove', this.mouseMoveCallback);
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// if (this.havePointerLock) {
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// document.exitPointerLock();
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// }
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// }
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if (event.button == 1) {
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2016-10-07 10:51:37 +02:00
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this.canRotate = false;
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this.canvas.removeEventListener('mousemove', this.mouseMoveCallback);
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}
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};
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2016-10-07 16:06:50 +02:00
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Controls.FlyControls.prototype.applyRotation = function() {
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2016-10-07 10:51:37 +02:00
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this.camera.rotation.set(this.pitch, this.yaw, 0, "YXZ");
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};
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Controls.FlyControls.prototype.applyTranslation = function(deltaTime) {
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var direction = new this.THREE.Vector3(0, 0, -1);
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var rotation = new this.THREE.Euler(0, 0, 0, "YXZ");
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rotation.set(this.pitch, this.yaw, 0, "YXZ");
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direction = direction.applyEuler(rotation);
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if(this.moveForward) {
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var newPos = direction.normalize();
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this.camera.position.x += newPos.x * (deltaTime * this.flySpeed);
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this.camera.position.y += newPos.y * (deltaTime * this.flySpeed);
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this.camera.position.z += newPos.z * (deltaTime * this.flySpeed);
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} else if(this.moveBackward) {
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var newPos = direction.normalize();
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this.camera.position.x -= newPos.x * (deltaTime * this.flySpeed);
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this.camera.position.y -= newPos.y * (deltaTime * this.flySpeed);
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this.camera.position.z -= newPos.z * (deltaTime * this.flySpeed);
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}
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if(this.moveLeft) {
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var forward = direction.normalize();
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var right = forward.cross(new this.THREE.Vector3(0, 1, 0));
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var newPos = right;
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this.camera.position.x -= newPos.x * (deltaTime * this.flySpeed);
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this.camera.position.y -= newPos.y * (deltaTime * this.flySpeed);
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this.camera.position.z -= newPos.z * (deltaTime * this.flySpeed);
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} else if(this.moveRight) {
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var forward = direction.normalize();
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var right = forward.cross(new this.THREE.Vector3(0, 1, 0));
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var newPos = right;
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this.camera.position.x += newPos.x * (deltaTime * this.flySpeed);
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this.camera.position.y += newPos.y * (deltaTime * this.flySpeed);
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this.camera.position.z += newPos.z * (deltaTime * this.flySpeed);
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}
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// Absolute Y-Axis
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if(this.moveUp) {
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this.camera.position.y += (deltaTime * this.flySpeed);
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} else if(this.moveDown) {
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this.camera.position.y -= (deltaTime * this.flySpeed);
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}
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};
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Controls.FlyControls.prototype.update = function(deltaTime) {
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2016-10-07 16:06:50 +02:00
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this.applyRotation();
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this.applyTranslation(deltaTime);
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2016-10-07 10:51:37 +02:00
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};
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Controls.FlyControls.prototype.onMouseMove = function ( event ) {
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if (this.canRotate) {
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var movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
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var movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
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this.yaw -= movementX * 0.002;
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this.pitch -= movementY * 0.002;
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}
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};
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Controls.FlyControls.prototype.onKeyDown = function ( event ) {
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switch ( event.keyCode ) {
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case 87: // w
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this.moveForward = true;
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break;
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case 65: // a
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this.moveLeft = true;
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break;
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case 83: // s
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this.moveBackward = true;
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break;
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case 68: // d
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this.moveRight = true;
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break;
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2016-10-10 15:01:50 +02:00
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case 104: // keypad up arrow
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2016-10-07 10:51:37 +02:00
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this.moveUp = true;
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break;
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2016-10-10 15:01:50 +02:00
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case 98: // keypad down arrow
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2016-10-07 10:51:37 +02:00
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this.moveDown = true;
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break;
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}
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};
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Controls.FlyControls.prototype.onKeyUp = function ( event ) {
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switch ( event.keyCode ) {
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case 38: // up
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case 87: // w
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this.moveForward = false;
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break;
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case 37: // left
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case 65: // a
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this.moveLeft = false;
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break;
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case 40: // down
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case 83: // s
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this.moveBackward = false;
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break;
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case 39: // right
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case 68: // d
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this.moveRight = false;
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break;
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2016-10-10 15:01:50 +02:00
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case 104: // keypad up arrow
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2016-10-07 10:51:37 +02:00
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this.moveUp = false;
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break;
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2016-10-10 15:01:50 +02:00
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case 98: // keypad down arrow
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2016-10-07 10:51:37 +02:00
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this.moveDown = false;
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break;
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}
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};
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if (typeof module !== 'undefined') {
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module.exports = Controls;
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}
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