mirror of
https://github.com/wassname/phaser.git
synced 2026-06-27 16:10:15 +08:00
Richard Davey
811 lines
22 KiB
JavaScript
811 lines
22 KiB
JavaScript
Phaser.InputHandler = function (sprite) {
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this.game = sprite.game;
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this.sprite = sprite;
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this.enabled = false;
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// Linked list references
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this.last = this;
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this.first = this;
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/**
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* The PriorityID controls which Sprite receives an Input event first if they should overlap.
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*/
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this.priorityID = 0;
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this.isDragged = false;
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this.dragPixelPerfect = false;
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this.allowHorizontalDrag = true;
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this.allowVerticalDrag = true;
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this.bringToTop = false;
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this.snapOnDrag = false;
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this.snapOnRelease = false;
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this.snapX = 0;
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this.snapY = 0;
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/**
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* Is this sprite allowed to be dragged by the mouse? true = yes, false = no
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* @default false
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*/
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this.draggable = false;
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/**
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* A region of the game world within which the sprite is restricted during drag
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* @default null
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*/
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this.boundsRect = null;
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/**
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* An Sprite the bounds of which this sprite is restricted during drag
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* @default null
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*/
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this.boundsSprite = null;
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/**
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* If this object is set to consume the pointer event then it will stop all propogation from this object on.
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* For example if you had a stack of 6 sprites with the same priority IDs and one consumed the event, none of the others would receive it.
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* @type {bool}
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*/
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this.consumePointerEvent = false;
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this._tempPoint = new Phaser.Point;
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};
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Phaser.InputHandler.prototype = {
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game: null,
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sprite: null,
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// Linked list references
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parent: null,
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next: null,
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prev: null,
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first: null,
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last: null,
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start: function (priority, checkBody, useHandCursor) {
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priority = priority || 0;
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checkBody = checkBody || false;
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useHandCursor = useHandCursor || false;
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// Turning on
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if (this.enabled == false)
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{
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// Register, etc
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this.game.input.interactiveItems.add(this);
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this.checkBody = checkBody;
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this.useHandCursor = useHandCursor;
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this.priorityID = priority;
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this._pointerData = [];
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for (var i = 0; i < 10; i++)
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{
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this._pointerData.push({
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id: i,
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x: 0,
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y: 0,
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isDown: false,
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isUp: false,
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isOver: false,
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isOut: false,
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timeOver: 0,
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timeOut: 0,
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timeDown: 0,
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timeUp: 0,
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downDuration: 0,
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isDragged: false
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});
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}
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this.snapOffset = new Phaser.Point;
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this.enabled = true;
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// Create the signals the Input component will emit
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if (this.sprite.events && this.sprite.events.onInputOver == null)
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{
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this.sprite.events.onInputOver = new Phaser.Signal;
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this.sprite.events.onInputOut = new Phaser.Signal;
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this.sprite.events.onInputDown = new Phaser.Signal;
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this.sprite.events.onInputUp = new Phaser.Signal;
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this.sprite.events.onDragStart = new Phaser.Signal;
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this.sprite.events.onDragStop = new Phaser.Signal;
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}
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}
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return this.sprite;
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},
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reset: function () {
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this.enabled = false;
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for (var i = 0; i < 10; i++)
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{
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this._pointerData[i] = {
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id: i,
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x: 0,
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y: 0,
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isDown: false,
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isUp: false,
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isOver: false,
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isOut: false,
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timeOver: 0,
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timeOut: 0,
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timeDown: 0,
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timeUp: 0,
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downDuration: 0,
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isDragged: false
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};
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}
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},
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stop: function () {
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// Turning off
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if (this.enabled == false)
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{
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return;
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}
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else
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{
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// De-register, etc
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this.enabled = false;
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this.game.input.interactiveItems.remove(this);
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}
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},
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/**
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* Clean up memory.
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*/
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destroy: function () {
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if (this.enabled)
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{
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this.stop();
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// Null everything
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this.sprite = null;
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// etc
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}
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},
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/**
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* The x coordinate of the Input pointer, relative to the top-left of the parent Sprite.
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* This value is only set when the pointer is over this Sprite.
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* @type {number}
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*/
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pointerX: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].x;
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},
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/**
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* The y coordinate of the Input pointer, relative to the top-left of the parent Sprite
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* This value is only set when the pointer is over this Sprite.
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* @type {number}
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*/
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pointerY: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].y;
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},
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/**
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* If the Pointer is touching the touchscreen, or the mouse button is held down, isDown is set to true
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* @property isDown
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* @type {bool}
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**/
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pointerDown: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].isDown;
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},
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/**
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* If the Pointer is not touching the touchscreen, or the mouse button is up, isUp is set to true
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* @property isUp
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* @type {bool}
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**/
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pointerUp: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].isUp;
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},
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/**
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* A timestamp representing when the Pointer first touched the touchscreen.
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* @property timeDown
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* @type {Number}
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**/
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pointerTimeDown: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].timeDown;
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},
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/**
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* A timestamp representing when the Pointer left the touchscreen.
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* @property timeUp
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* @type {Number}
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**/
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pointerTimeUp: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].timeUp;
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},
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/**
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* Is the Pointer over this Sprite
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* @property isOver
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* @type {bool}
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**/
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pointerOver: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].isOver;
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},
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/**
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* Is the Pointer outside of this Sprite
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* @property isOut
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* @type {bool}
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**/
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pointerOut: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].isOut;
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},
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/**
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* A timestamp representing when the Pointer first touched the touchscreen.
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* @property timeDown
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* @type {Number}
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**/
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pointerTimeOver: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].timeOver;
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},
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/**
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* A timestamp representing when the Pointer left the touchscreen.
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* @property timeUp
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* @type {Number}
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**/
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pointerTimeOut: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].timeOut;
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},
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/**
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* Is this sprite being dragged by the mouse or not?
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* @default false
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*/
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pointerDragged: function (pointer) {
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pointer = pointer || 0;
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return this._pointerData[pointer].isDragged;
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},
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/**
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* Checks if the given pointer is over this Sprite.
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*/
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checkPointerOver: function (pointer) {
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if (this.enabled && this.sprite.visible)
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{
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this.sprite.getLocalUnmodifiedPosition(this._tempPoint, pointer.x, pointer.y);
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// Check against bounds
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var width = this.sprite.texture.frame.width,
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height = this.sprite.texture.frame.height,
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x1 = -width * this.sprite.anchor.x,
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y1;
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if (this._tempPoint.x > x1 && this._tempPoint.x < x1 + width)
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{
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y1 = -height * this.sprite.anchor.y;
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if (this._tempPoint.y > y1 && this._tempPoint.y < y1 + height)
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{
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return true;
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}
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}
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}
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else
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{
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return false;
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}
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},
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/**
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* Update
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*/
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update: function (pointer) {
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if (this.enabled == false || this.sprite.visible == false)
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{
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this._pointerOutHandler(pointer);
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return false;
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}
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if (this.draggable && this._draggedPointerID == pointer.id)
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{
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return this.updateDrag(pointer);
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}
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else if (this._pointerData[pointer.id].isOver == true)
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{
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if (this.checkPointerOver(pointer))
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{
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this._pointerData[pointer.id].x = pointer.x - this.sprite.x;
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this._pointerData[pointer.id].y = pointer.y - this.sprite.y;
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return true;
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}
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else
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{
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this._pointerOutHandler(pointer);
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return false;
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}
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}
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},
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_pointerOverHandler: function (pointer) {
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if (this._pointerData[pointer.id].isOver == false)
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{
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this._pointerData[pointer.id].isOver = true;
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this._pointerData[pointer.id].isOut = false;
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this._pointerData[pointer.id].timeOver = this.game.time.now;
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this._pointerData[pointer.id].x = pointer.x - this.sprite.x;
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this._pointerData[pointer.id].y = pointer.y - this.sprite.y;
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if (this.useHandCursor && this._pointerData[pointer.id].isDragged == false)
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{
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this.game.stage.canvas.style.cursor = "pointer";
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}
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this.sprite.events.onInputOver.dispatch(this.sprite, pointer);
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}
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},
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_pointerOutHandler: function (pointer) {
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this._pointerData[pointer.id].isOver = false;
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this._pointerData[pointer.id].isOut = true;
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this._pointerData[pointer.id].timeOut = this.game.time.now;
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if (this.useHandCursor && this._pointerData[pointer.id].isDragged == false)
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{
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this.game.stage.canvas.style.cursor = "default";
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}
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this.sprite.events.onInputOut.dispatch(this.sprite, pointer);
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},
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_touchedHandler: function (pointer) {
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if (this._pointerData[pointer.id].isDown == false && this._pointerData[pointer.id].isOver == true)
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{
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this._pointerData[pointer.id].isDown = true;
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this._pointerData[pointer.id].isUp = false;
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this._pointerData[pointer.id].timeDown = this.game.time.now;
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this.sprite.events.onInputDown.dispatch(this.sprite, pointer);
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// Start drag
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if (this.draggable && this.isDragged == false)
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{
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this.startDrag(pointer);
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}
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if (this.bringToTop)
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{
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this.sprite.bringToTop();
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}
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}
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// Consume the event?
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return this.consumePointerEvent;
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},
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_releasedHandler: function (pointer) {
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// If was previously touched by this Pointer, check if still is AND still over this item
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if (this._pointerData[pointer.id].isDown && pointer.isUp)
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{
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this._pointerData[pointer.id].isDown = false;
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this._pointerData[pointer.id].isUp = true;
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this._pointerData[pointer.id].timeUp = this.game.time.now;
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this._pointerData[pointer.id].downDuration = this._pointerData[pointer.id].timeUp - this._pointerData[pointer.id].timeDown;
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// Only release the InputUp signal if the pointer is still over this sprite
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if (this.checkPointerOver(pointer))
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{
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//console.log('releasedHandler: ' + Date.now());
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this.sprite.events.onInputUp.dispatch(this.sprite, pointer);
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}
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else
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{
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// Pointer outside the sprite? Reset the cursor
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if (this.useHandCursor)
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{
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this.game.stage.canvas.style.cursor = "default";
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}
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}
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// Stop drag
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if (this.draggable && this.isDragged && this._draggedPointerID == pointer.id)
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{
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this.stopDrag(pointer);
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}
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}
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},
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/**
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* Updates the Pointer drag on this Sprite.
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*/
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updateDrag: function (pointer) {
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if (pointer.isUp)
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{
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this.stopDrag(pointer);
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return false;
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}
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if (this.allowHorizontalDrag)
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{
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this.sprite.x = pointer.x + this._dragPoint.x + this.dragOffset.x;
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}
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if (this.allowVerticalDrag)
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{
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this.sprite.y = pointer.y + this._dragPoint.y + this.dragOffset.y;
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}
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if (this.boundsRect)
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{
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this.checkBoundsRect();
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}
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if (this.boundsSprite)
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{
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this.checkBoundsSprite();
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}
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if (this.snapOnDrag)
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{
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this.sprite.x = Math.floor(this.sprite.x / this.snapX) * this.snapX;
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this.sprite.y = Math.floor(this.sprite.y / this.snapY) * this.snapY;
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}
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return true;
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},
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/**
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* Returns true if the pointer has entered the Sprite within the specified delay time (defaults to 500ms, half a second)
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* @param delay The time below which the pointer is considered as just over.
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* @returns {bool}
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*/
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justOver: function (pointer, delay) {
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pointer = pointer || 0;
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delay = delay || 500;
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return (this._pointerData[pointer].isOver && this.overDuration(pointer) < delay);
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},
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/**
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* Returns true if the pointer has left the Sprite within the specified delay time (defaults to 500ms, half a second)
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* @param delay The time below which the pointer is considered as just out.
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* @returns {bool}
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*/
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justOut: function (pointer, delay) {
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pointer = pointer || 0;
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delay = delay || 500;
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return (this._pointerData[pointer].isOut && (this.game.time.now - this._pointerData[pointer].timeOut < delay));
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},
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/**
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* Returns true if the pointer has entered the Sprite within the specified delay time (defaults to 500ms, half a second)
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* @param delay The time below which the pointer is considered as just over.
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* @returns {bool}
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*/
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justPressed: function (pointer, delay) {
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pointer = pointer || 0;
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delay = delay || 500;
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return (this._pointerData[pointer].isDown && this.downDuration(pointer) < delay);
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},
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/**
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* Returns true if the pointer has left the Sprite within the specified delay time (defaults to 500ms, half a second)
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* @param delay The time below which the pointer is considered as just out.
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* @returns {bool}
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*/
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justReleased: function (pointer, delay) {
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pointer = pointer || 0;
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delay = delay || 500;
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return (this._pointerData[pointer].isUp && (this.game.time.now - this._pointerData[pointer].timeUp < delay));
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},
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/**
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* If the pointer is currently over this Sprite this returns how long it has been there for in milliseconds.
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* @returns {number} The number of milliseconds the pointer has been over the Sprite, or -1 if not over.
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*/
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overDuration: function (pointer) {
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pointer = pointer || 0;
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if (this._pointerData[pointer].isOver)
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{
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return this.game.time.now - this._pointerData[pointer].timeOver;
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}
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return -1;
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},
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/**
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* If the pointer is currently over this Sprite this returns how long it has been there for in milliseconds.
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* @returns {number} The number of milliseconds the pointer has been pressed down on the Sprite, or -1 if not over.
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*/
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downDuration: function (pointer) {
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pointer = pointer || 0;
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if (this._pointerData[pointer].isDown)
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{
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return this.game.time.now - this._pointerData[pointer].timeDown;
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}
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return -1;
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},
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/**
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* Make this Sprite draggable by the mouse. You can also optionally set mouseStartDragCallback and mouseStopDragCallback
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*
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* @param lockCenter If false the Sprite will drag from where you click it minus the dragOffset. If true it will center itself to the tip of the mouse pointer.
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|
* @param bringToTop If true the Sprite will be bought to the top of the rendering list in its current Group.
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|
* @param pixelPerfect If true it will use a pixel perfect test to see if you clicked the Sprite. False uses the bounding box.
|
|
* @param alphaThreshold If using pixel perfect collision this specifies the alpha level from 0 to 255 above which a collision is processed (default 255)
|
|
* @param boundsRect If you want to restrict the drag of this sprite to a specific FlxRect, pass the FlxRect here, otherwise it's free to drag anywhere
|
|
* @param boundsSprite If you want to restrict the drag of this sprite to within the bounding box of another sprite, pass it here
|
|
*/
|
|
enableDrag: function (lockCenter, bringToTop, pixelPerfect, alphaThreshold, boundsRect, boundsSprite) {
|
|
|
|
lockCenter = lockCenter || false;
|
|
bringToTop = bringToTop || false;
|
|
pixelPerfect = pixelPerfect || false;
|
|
alphaThreshold = alphaThreshold || 255;
|
|
boundsRect = boundsRect || null;
|
|
boundsSprite = boundsSprite || null;
|
|
|
|
this._dragPoint = new Phaser.Point();
|
|
this.draggable = true;
|
|
this.bringToTop = bringToTop;
|
|
this.dragOffset = new Phaser.Point();
|
|
this.dragFromCenter = lockCenter;
|
|
this.dragPixelPerfect = pixelPerfect;
|
|
this.dragPixelPerfectAlpha = alphaThreshold;
|
|
|
|
if (boundsRect)
|
|
{
|
|
this.boundsRect = boundsRect;
|
|
}
|
|
|
|
if (boundsSprite)
|
|
{
|
|
this.boundsSprite = boundsSprite;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Stops this sprite from being able to be dragged. If it is currently the target of an active drag it will be stopped immediately. Also disables any set callbacks.
|
|
*/
|
|
disableDrag: function () {
|
|
|
|
if (this._pointerData)
|
|
{
|
|
for (var i = 0; i < 10; i++)
|
|
{
|
|
this._pointerData[i].isDragged = false;
|
|
}
|
|
}
|
|
|
|
this.draggable = false;
|
|
this.isDragged = false;
|
|
this._draggedPointerID = -1;
|
|
|
|
},
|
|
|
|
/**
|
|
* Called by Pointer when drag starts on this Sprite. Should not usually be called directly.
|
|
*/
|
|
startDrag: function (pointer) {
|
|
|
|
this.isDragged = true;
|
|
this._draggedPointerID = pointer.id;
|
|
this._pointerData[pointer.id].isDragged = true;
|
|
|
|
if (this.dragFromCenter)
|
|
{
|
|
this.sprite.transform.centerOn(pointer.worldX, pointer.worldY);
|
|
this._dragPoint.setTo(this.sprite.x - pointer.x, this.sprite.y - pointer.y);
|
|
}
|
|
else
|
|
{
|
|
this._dragPoint.setTo(this.sprite.x - pointer.x, this.sprite.y - pointer.y);
|
|
}
|
|
|
|
this.updateDrag(pointer);
|
|
|
|
if (this.bringToTop)
|
|
{
|
|
this.sprite.bringToTop();
|
|
}
|
|
|
|
this.sprite.events.onDragStart.dispatch(this.sprite, pointer);
|
|
|
|
},
|
|
|
|
/**
|
|
* Called by Pointer when drag is stopped on this Sprite. Should not usually be called directly.
|
|
*/
|
|
stopDrag: function (pointer) {
|
|
|
|
this.isDragged = false;
|
|
this._draggedPointerID = -1;
|
|
this._pointerData[pointer.id].isDragged = false;
|
|
|
|
if (this.snapOnRelease)
|
|
{
|
|
this.sprite.x = Math.floor(this.sprite.x / this.snapX) * this.snapX;
|
|
this.sprite.y = Math.floor(this.sprite.y / this.snapY) * this.snapY;
|
|
}
|
|
|
|
this.sprite.events.onDragStop.dispatch(this.sprite, pointer);
|
|
this.sprite.events.onInputUp.dispatch(this.sprite, pointer);
|
|
|
|
},
|
|
|
|
/**
|
|
* Restricts this sprite to drag movement only on the given axis. Note: If both are set to false the sprite will never move!
|
|
*
|
|
* @param allowHorizontal To enable the sprite to be dragged horizontally set to true, otherwise false
|
|
* @param allowVertical To enable the sprite to be dragged vertically set to true, otherwise false
|
|
*/
|
|
setDragLock: function (allowHorizontal, allowVertical) {
|
|
|
|
allowHorizontal = allowHorizontal || true;
|
|
allowVertical = allowVertical || true;
|
|
|
|
this.allowHorizontalDrag = allowHorizontal;
|
|
this.allowVerticalDrag = allowVertical;
|
|
|
|
},
|
|
|
|
/**
|
|
* Make this Sprite snap to the given grid either during drag or when it's released.
|
|
* For example 16x16 as the snapX and snapY would make the sprite snap to every 16 pixels.
|
|
*
|
|
* @param snapX The width of the grid cell in pixels
|
|
* @param snapY The height of the grid cell in pixels
|
|
* @param onDrag If true the sprite will snap to the grid while being dragged
|
|
* @param onRelease If true the sprite will snap to the grid when released
|
|
*/
|
|
enableSnap: function (snapX, snapY, onDrag, onRelease) {
|
|
|
|
onDrag = onDrag || true;
|
|
onRelease = onRelease || false;
|
|
|
|
this.snapOnDrag = onDrag;
|
|
this.snapOnRelease = onRelease;
|
|
this.snapX = snapX;
|
|
this.snapY = snapY;
|
|
|
|
},
|
|
|
|
/**
|
|
* Stops the sprite from snapping to a grid during drag or release.
|
|
*/
|
|
disableSnap: function () {
|
|
|
|
this.snapOnDrag = false;
|
|
this.snapOnRelease = false;
|
|
|
|
},
|
|
|
|
/**
|
|
* Bounds Rect check for the sprite drag
|
|
*/
|
|
checkBoundsRect: function () {
|
|
|
|
if (this.sprite.x < this.boundsRect.left)
|
|
{
|
|
this.sprite.x = this.boundsRect.x;
|
|
}
|
|
else if ((this.sprite.x + this.sprite.width) > this.boundsRect.right)
|
|
{
|
|
this.sprite.x = this.boundsRect.right - this.sprite.width;
|
|
}
|
|
|
|
if (this.sprite.y < this.boundsRect.top)
|
|
{
|
|
this.sprite.y = this.boundsRect.top;
|
|
}
|
|
else if ((this.sprite.y + this.sprite.height) > this.boundsRect.bottom)
|
|
{
|
|
this.sprite.y = this.boundsRect.bottom - this.sprite.height;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Parent Sprite Bounds check for the sprite drag
|
|
*/
|
|
checkBoundsSprite: function () {
|
|
|
|
if (this.sprite.x < this.boundsSprite.x)
|
|
{
|
|
this.sprite.x = this.boundsSprite.x;
|
|
}
|
|
else if ((this.sprite.x + this.sprite.width) > (this.boundsSprite.x + this.boundsSprite.width))
|
|
{
|
|
this.sprite.x = (this.boundsSprite.x + this.boundsSprite.width) - this.sprite.width;
|
|
}
|
|
|
|
if (this.sprite.y < this.boundsSprite.y)
|
|
{
|
|
this.sprite.y = this.boundsSprite.y;
|
|
}
|
|
else if ((this.sprite.y + this.sprite.height) > (this.boundsSprite.y + this.boundsSprite.height))
|
|
{
|
|
this.sprite.y = (this.boundsSprite.y + this.boundsSprite.height) - this.sprite.height;
|
|
}
|
|
|
|
}
|
|
|
|
}; |