121 lines
3.8 KiB
JavaScript
121 lines
3.8 KiB
JavaScript
|
// Initialization
|
||
|
|
||
|
|
||
|
// class camera extends THREE.PerspectiveCamera
|
||
|
var PointerCamera = function() {
|
||
|
THREE.PerspectiveCamera.apply(this, arguments);
|
||
|
|
||
|
// Set Position
|
||
|
this.theta = Math.PI;
|
||
|
this.phi = Math.PI;
|
||
|
|
||
|
this.keyboard = 'undefined';
|
||
|
|
||
|
|
||
|
// Stuff for rendering
|
||
|
this.position = new THREE.Vector3();
|
||
|
this.forward = new THREE.Vector3();
|
||
|
this.left = new THREE.Vector3();
|
||
|
this.up = new THREE.Vector3(0,0,1);
|
||
|
this.target = new THREE.Vector3(0,1,0);
|
||
|
|
||
|
// Stuff for events
|
||
|
this.moveForward = false;
|
||
|
this.moveBackward = false;
|
||
|
this.moveRight = false;
|
||
|
this.moveLeft = false;
|
||
|
|
||
|
this.sensitivity = 0.05;
|
||
|
this.speed = 1;
|
||
|
|
||
|
// Set events from the document
|
||
|
var self = this;
|
||
|
var onKeyDown = function(event) {self.onKeyDown(event);};
|
||
|
var onKeyUp = function(event) {self.onKeyUp(event);};
|
||
|
|
||
|
document.addEventListener('keydown', onKeyDown, false);
|
||
|
document.addEventListener('keyup', onKeyUp, false);
|
||
|
}
|
||
|
PointerCamera.prototype = Object.create(THREE.PerspectiveCamera.prototype);
|
||
|
PointerCamera.prototype.constructor = PointerCamera;
|
||
|
|
||
|
// Update function
|
||
|
PointerCamera.prototype.update = function() {
|
||
|
// Update angles
|
||
|
if (this.increasePhi) this.phi += this.sensitivity;
|
||
|
if (this.decreasePhi) this.phi -= this.sensitivity;
|
||
|
if (this.increaseTheta) this.theta += this.sensitivity;
|
||
|
if (this.decreaseTheta) this.theta -= this.sensitivity;
|
||
|
|
||
|
// Clamp phi
|
||
|
this.phi = Math.min(Math.max(-(Math.PI/2-0.1),this.phi), Math.PI/2-0.1);
|
||
|
|
||
|
var delta = 0.1;
|
||
|
|
||
|
// Update direction
|
||
|
this.forward.z = Math.sin(this.phi);
|
||
|
|
||
|
var cos = Math.cos(this.phi);
|
||
|
this.forward.x = cos * Math.cos(this.theta);
|
||
|
this.forward.y = cos * Math.sin(this.theta);
|
||
|
this.forward.normalize();
|
||
|
|
||
|
// Update
|
||
|
var forward = this.forward.clone();
|
||
|
forward.multiplyScalar(400.0 * delta);
|
||
|
var left = this.up.clone();
|
||
|
left.cross(forward);
|
||
|
left.normalize();
|
||
|
left.multiplyScalar(400.0 * delta);
|
||
|
|
||
|
if (this.moveForward) this.position.add(Tools.mul(forward, this.speed));
|
||
|
if (this.moveBackward) this.position.sub(Tools.mul(forward, this.speed));
|
||
|
if (this.moveLeft) this.position.add(Tools.mul(left, this.speed));
|
||
|
if (this.moveRight) this.position.sub(Tools.mul(left, this.speed));
|
||
|
|
||
|
this.target = this.position.clone();
|
||
|
this.target.add(forward);
|
||
|
}
|
||
|
|
||
|
// Look function
|
||
|
PointerCamera.prototype.look = function() {
|
||
|
this.lookAt(this.target);
|
||
|
}
|
||
|
|
||
|
PointerCamera.prototype.addToScene = function(scene) {
|
||
|
scene.add(this);
|
||
|
}
|
||
|
|
||
|
PointerCamera.prototype.onKeyEvent = function(event, toSet) {
|
||
|
switch ( event.keyCode ) {
|
||
|
// Azerty keyboards
|
||
|
case 38: case 90: this.moveForward = toSet; break; // up / z
|
||
|
case 37: case 81: this.moveLeft = toSet; break; // left / q
|
||
|
case 40: case 83: this.moveBackward = toSet; break; // down / s
|
||
|
case 39: case 68: this.moveRight = toSet; break; // right / d
|
||
|
|
||
|
// Qwerty keyboards
|
||
|
// case 38: case 87: this.moveForward = toSet; break; // up / w
|
||
|
// case 37: case 65: this.moveLeft = toSet; break; // left / a
|
||
|
// case 40: case 83: this.moveBackward = toSet; break; // down / s
|
||
|
// case 39: case 68: this.moveRight = toSet; break; // right / d
|
||
|
|
||
|
case 104: this.increasePhi = toSet; break; // 8 Up for angle
|
||
|
case 98: this.decreasePhi = toSet; break; // 2 Down for angle
|
||
|
case 100: this.increaseTheta = toSet; break; // 4 Left for angle
|
||
|
case 102: this.decreaseTheta = toSet; break; // 6 Right for angle
|
||
|
}
|
||
|
}
|
||
|
|
||
|
PointerCamera.prototype.onKeyDown = function(event) {
|
||
|
this.onKeyEvent(event, true);
|
||
|
}
|
||
|
|
||
|
PointerCamera.prototype.onKeyUp = function(event) {
|
||
|
this.onKeyEvent(event, false);
|
||
|
}
|
||
|
|
||
|
// Static members
|
||
|
PointerCamera.DISTANCE_X = 1000;
|
||
|
PointerCamera.DISTANCE_Z = 300;
|