112 lines
3.8 KiB
JavaScript
112 lines
3.8 KiB
JavaScript
var CameraSelecter = function(renderer, scene, cameras, coins, buttonManager) {
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this.raycaster = new THREE.Raycaster();
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this.renderer = renderer;
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this.mouse = {};
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this.cameras = cameras;
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this.prev = {};
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this.buttonManager = buttonManager;
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this.scene = scene;
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this.coins = coins;
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}
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CameraSelecter.prototype.pointedCamera = function() {
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var returnCamera;
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var x = ( this.mouse.x / this.renderer.domElement.width ) * 2 - 1;
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var y = - (this.mouse.y / this.renderer.domElement.height) * 2 + 1;
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var camera = this.cameras.mainCamera();
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var vector = new THREE.Vector3(x, y, 0.5);
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vector.unproject(camera);
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this.raycaster.set(camera.position, vector.sub(camera.position).normalize());
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var intersects = this.raycaster.intersectObjects(this.scene.children, true);
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if ( intersects.length > 0 ) {
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var minDistance;
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var bestIndex;
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// Looking for cameras
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for (var i in intersects) {
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if (intersects[i].object.raycastable && !(intersects[i].object instanceof THREE.Line)) {
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if ((intersects[i].distance > 0.5 && minDistance === undefined) || (intersects[i].distance < minDistance )) {
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if (!(intersects[i].object instanceof THREE.Mesh && intersects[i].object.material.opacity < 0.1)) {
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minDistance = intersects[i].distance;
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bestIndex = i;
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}
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}
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}
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}
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if (bestIndex !== undefined) {
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// if (this.cameras.getById(intersects[bestIndex].object.parent.id) !== undefined) {
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var obj = intersects[bestIndex].object;
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for (var coin in this.coins) {
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if (obj === this.coins[coin].mesh) {
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return this.coins[coin];
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}
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}
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this.currentPointedCamera = this.cameras.getByObject(intersects[bestIndex].object);
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return this.currentPointedCamera;
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// }
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}
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}
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this.currentPointedCamera = null;
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}
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CameraSelecter.prototype.update = function(event) {
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if (event !== undefined) {
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this.mouse.x = event.offsetX == undefined ? event.layerX : event.offsetX;
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this.mouse.y = event.offsetY == undefined ? event.layerY : event.offsetY;
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}
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var previousCamera = this.currentPointedCamera;
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var hovered = this.pointedCamera(event);
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if (hovered !== undefined && !(hovered instanceof Coin)) {
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if (hovered !== previousCamera) {
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// log it
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var event = new BD.Event.Hovered();
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event.start = true;
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event.arrow_id = this.cameras.cameras.indexOf(this.currentPointedCamera);
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event.send();
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this.prev.x = this.mouse.x;
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this.prev.y = this.mouse.y;
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}
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this.prev.camera = hovered;
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this.prev.go = true;
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} else {
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if (this.prev.go) {
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// Log if previous was not null
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var event = new BD.Event.Hovered();
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event.start = false;
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event.arrow_id = null;
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event.send();
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}
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this.prev.go = false;
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}
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}
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CameraSelecter.prototype.click = function(event) {
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var newCamera = this.pointedCamera(event);
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if (newCamera !== undefined && !(newCamera instanceof Coin)) {
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var event = new BD.Event.ArrowClicked();
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event.arrow_id = this.cameras.cameras.indexOf(newCamera);
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event.send();
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newCamera.check();
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this.cameras.mainCamera().moveHermite(newCamera);
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buttonManager.updateElements();
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} else if (newCamera instanceof Coin) {
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// Coin found, notify server
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var event = new BD.Event.CoinClicked();
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event.coin_id = this.coins.indexOf(newCamera);
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event.send();
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newCamera.get();
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}
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}
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