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1123 lines
30 KiB
HTML
1123 lines
30 KiB
HTML
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<h1 class="page-title">Source: input/Pointer.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* Phaser - Pointer constructor.
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*
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* @class Phaser.Pointer
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* @classdesc A Pointer object is used by the Mouse, Touch and MSPoint managers and represents a single finger on the touch screen.
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* @constructor
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* @param {Phaser.Game} game - A reference to the currently running game.
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* @param {number} id - The ID of the Pointer object within the game. Each game can have up to 10 active pointers.
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*/
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Phaser.Pointer = function (game, id) {
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/**
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* @property {Phaser.Game} game - A reference to the currently running game.
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*/
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this.game = game;
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/**
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* @property {number} id - The ID of the Pointer object within the game. Each game can have up to 10 active pointers.
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*/
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this.id = id;
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/**
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* @property {boolean} _holdSent - Local private variable to store the status of dispatching a hold event.
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* @private
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* @default
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*/
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this._holdSent = false;
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/**
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* @property {array} _history - Local private variable storing the short-term history of pointer movements.
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* @private
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*/
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this._history = [];
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/**
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* @property {number} _lastDrop - Local private variable storing the time at which the next history drop should occur.
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* @private
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* @default
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*/
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this._nextDrop = 0;
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/**
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* @property {boolean} _stateReset - Monitor events outside of a state reset loop.
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* @private
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* @default
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*/
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this._stateReset = false;
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/**
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* @property {boolean} withinGame - true if the Pointer is within the game area, otherwise false.
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*/
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this.withinGame = false;
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/**
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* @property {number} clientX - The horizontal coordinate of point relative to the viewport in pixels, excluding any scroll offset.
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* @default
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*/
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this.clientX = -1;
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/**
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* @property {number} clientY - The vertical coordinate of point relative to the viewport in pixels, excluding any scroll offset.
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* @default
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*/
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this.clientY = -1;
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/**
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* @property {number} pageX - The horizontal coordinate of point relative to the viewport in pixels, including any scroll offset.
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* @default
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*/
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this.pageX = -1;
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/**
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* @property {number} pageY - The vertical coordinate of point relative to the viewport in pixels, including any scroll offset.
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* @default
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*/
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this.pageY = -1;
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/**
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* @property {number} screenX - The horizontal coordinate of point relative to the screen in pixels.
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* @default
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*/
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this.screenX = -1;
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/**
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* @property {number} screenY - The vertical coordinate of point relative to the screen in pixels.
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* @default
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*/
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this.screenY = -1;
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/**
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* @property {number} x - The horizontal coordinate of point relative to the game element. This value is automatically scaled based on game size.
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* @default
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*/
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this.x = -1;
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/**
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* @property {number} y - The vertical coordinate of point relative to the game element. This value is automatically scaled based on game size.
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* @default
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*/
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this.y = -1;
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/**
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* @property {boolean} isMouse - If the Pointer is a mouse this is true, otherwise false.
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* @default
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*/
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this.isMouse = false;
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/**
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* @property {boolean} isDown - If the Pointer is touching the touchscreen, or the mouse button is held down, isDown is set to true.
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* @default
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*/
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this.isDown = false;
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/**
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* @property {boolean} isUp - If the Pointer is not touching the touchscreen, or the mouse button is up, isUp is set to true.
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* @default
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*/
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this.isUp = true;
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/**
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* @property {number} timeDown - A timestamp representing when the Pointer first touched the touchscreen.
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* @default
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*/
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this.timeDown = 0;
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/**
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* @property {number} timeUp - A timestamp representing when the Pointer left the touchscreen.
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* @default
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*/
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this.timeUp = 0;
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/**
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* @property {number} previousTapTime - A timestamp representing when the Pointer was last tapped or clicked.
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* @default
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*/
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this.previousTapTime = 0;
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/**
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* @property {number} totalTouches - The total number of times this Pointer has been touched to the touchscreen.
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* @default
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*/
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this.totalTouches = 0;
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/**
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* @property {number} msSinceLastClick - The number of miliseconds since the last click.
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* @default
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*/
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this.msSinceLastClick = Number.MAX_VALUE;
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/**
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* @property {any} targetObject - The Game Object this Pointer is currently over / touching / dragging.
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* @default
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*/
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this.targetObject = null;
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/**
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* @property {boolean} active - An active pointer is one that is currently pressed down on the display. A Mouse is always active.
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* @default
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*/
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this.active = false;
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/**
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* @property {Phaser.Point} position - A Phaser.Point object containing the current x/y values of the pointer on the display.
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*/
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this.position = new Phaser.Point();
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/**
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* @property {Phaser.Point} positionDown - A Phaser.Point object containing the x/y values of the pointer when it was last in a down state on the display.
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*/
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this.positionDown = new Phaser.Point();
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/**
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* A Phaser.Circle that is centered on the x/y coordinates of this pointer, useful for hit detection.
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* The Circle size is 44px (Apples recommended "finger tip" size).
|
|
* @property {Phaser.Circle} circle
|
|
*/
|
|
this.circle = new Phaser.Circle(0, 0, 44);
|
|
|
|
if (id === 0)
|
|
{
|
|
this.isMouse = true;
|
|
}
|
|
|
|
};
|
|
|
|
Phaser.Pointer.prototype = {
|
|
|
|
/**
|
|
* Called when the Pointer is pressed onto the touchscreen.
|
|
* @method Phaser.Pointer#start
|
|
* @param {Any} event
|
|
*/
|
|
start: function (event) {
|
|
|
|
this.identifier = event.identifier;
|
|
this.target = event.target;
|
|
|
|
if (typeof event.button !== 'undefined')
|
|
{
|
|
this.button = event.button;
|
|
}
|
|
|
|
// Fix to stop rogue browser plugins from blocking the visibility state event
|
|
if (this.game.stage.disableVisibilityChange === false && this.game.paused && this.game.stage.scale.incorrectOrientation === false)
|
|
{
|
|
this.game.paused = false;
|
|
return this;
|
|
}
|
|
|
|
this._history.length = 0;
|
|
this.active = true;
|
|
this.withinGame = true;
|
|
this.isDown = true;
|
|
this.isUp = false;
|
|
|
|
// Work out how long it has been since the last click
|
|
this.msSinceLastClick = this.game.time.now - this.timeDown;
|
|
this.timeDown = this.game.time.now;
|
|
this._holdSent = false;
|
|
|
|
// This sets the x/y and other local values
|
|
this.move(event);
|
|
|
|
// x and y are the old values here?
|
|
this.positionDown.setTo(this.x, this.y);
|
|
|
|
if (this.game.input.multiInputOverride == Phaser.Input.MOUSE_OVERRIDES_TOUCH || this.game.input.multiInputOverride == Phaser.Input.MOUSE_TOUCH_COMBINE || (this.game.input.multiInputOverride == Phaser.Input.TOUCH_OVERRIDES_MOUSE && this.game.input.currentPointers === 0))
|
|
{
|
|
this.game.input.x = this.x;
|
|
this.game.input.y = this.y;
|
|
this.game.input.position.setTo(this.x, this.y);
|
|
this.game.input.onDown.dispatch(this, event);
|
|
this.game.input.resetSpeed(this.x, this.y);
|
|
}
|
|
|
|
this._stateReset = false;
|
|
this.totalTouches++;
|
|
|
|
if (this.isMouse === false)
|
|
{
|
|
this.game.input.currentPointers++;
|
|
}
|
|
|
|
if (this.targetObject !== null)
|
|
{
|
|
this.targetObject._touchedHandler(this);
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Called by the Input Manager.
|
|
* @method Phaser.Pointer#update
|
|
*/
|
|
update: function () {
|
|
|
|
if (this.active)
|
|
{
|
|
if (this._holdSent === false && this.duration >= this.game.input.holdRate)
|
|
{
|
|
if (this.game.input.multiInputOverride == Phaser.Input.MOUSE_OVERRIDES_TOUCH || this.game.input.multiInputOverride == Phaser.Input.MOUSE_TOUCH_COMBINE || (this.game.input.multiInputOverride == Phaser.Input.TOUCH_OVERRIDES_MOUSE && this.game.input.currentPointers === 0))
|
|
{
|
|
this.game.input.onHold.dispatch(this);
|
|
}
|
|
|
|
this._holdSent = true;
|
|
}
|
|
|
|
// Update the droppings history
|
|
if (this.game.input.recordPointerHistory && this.game.time.now >= this._nextDrop)
|
|
{
|
|
this._nextDrop = this.game.time.now + this.game.input.recordRate;
|
|
|
|
this._history.push({
|
|
x: this.position.x,
|
|
y: this.position.y
|
|
});
|
|
|
|
if (this._history.length > this.game.input.recordLimit)
|
|
{
|
|
this._history.shift();
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Called when the Pointer is moved.
|
|
* @method Phaser.Pointer#move
|
|
* @param {MouseEvent|PointerEvent|TouchEvent} event - The event passed up from the input handler.
|
|
*/
|
|
move: function (event) {
|
|
|
|
if (this.game.input.pollLocked)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (typeof event.button !== 'undefined')
|
|
{
|
|
this.button = event.button;
|
|
}
|
|
|
|
this.clientX = event.clientX;
|
|
this.clientY = event.clientY;
|
|
|
|
this.pageX = event.pageX;
|
|
this.pageY = event.pageY;
|
|
|
|
this.screenX = event.screenX;
|
|
this.screenY = event.screenY;
|
|
|
|
this.x = (this.pageX - this.game.stage.offset.x) * this.game.input.scale.x;
|
|
this.y = (this.pageY - this.game.stage.offset.y) * this.game.input.scale.y;
|
|
|
|
this.position.setTo(this.x, this.y);
|
|
this.circle.x = this.x;
|
|
this.circle.y = this.y;
|
|
|
|
if (this.game.input.multiInputOverride == Phaser.Input.MOUSE_OVERRIDES_TOUCH || this.game.input.multiInputOverride == Phaser.Input.MOUSE_TOUCH_COMBINE || (this.game.input.multiInputOverride == Phaser.Input.TOUCH_OVERRIDES_MOUSE && this.game.input.currentPointers === 0))
|
|
{
|
|
this.game.input.activePointer = this;
|
|
this.game.input.x = this.x;
|
|
this.game.input.y = this.y;
|
|
this.game.input.position.setTo(this.game.input.x, this.game.input.y);
|
|
this.game.input.circle.x = this.game.input.x;
|
|
this.game.input.circle.y = this.game.input.y;
|
|
}
|
|
|
|
// If the game is paused we don't process any target objects or callbacks
|
|
if (this.game.paused)
|
|
{
|
|
return this;
|
|
}
|
|
|
|
if (this.game.input.moveCallback)
|
|
{
|
|
this.game.input.moveCallback.call(this.game.input.moveCallbackContext, this, this.x, this.y);
|
|
}
|
|
|
|
// Easy out if we're dragging something and it still exists
|
|
if (this.targetObject !== null && this.targetObject.isDragged === true)
|
|
{
|
|
if (this.targetObject.update(this) === false)
|
|
{
|
|
this.targetObject = null;
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
// Work out which object is on the top
|
|
this._highestRenderOrderID = -1;
|
|
this._highestRenderObject = null;
|
|
this._highestInputPriorityID = -1;
|
|
|
|
// Just run through the linked list
|
|
if (this.game.input.interactiveItems.total > 0)
|
|
{
|
|
var currentNode = this.game.input.interactiveItems.next;
|
|
|
|
do
|
|
{
|
|
// If the object is using pixelPerfect checks, or has a higher InputManager.PriorityID OR if the priority ID is the same as the current highest AND it has a higher renderOrderID, then set it to the top
|
|
if (currentNode.pixelPerfect || currentNode.priorityID > this._highestInputPriorityID || (currentNode.priorityID == this._highestInputPriorityID && currentNode.sprite.renderOrderID > this._highestRenderOrderID))
|
|
{
|
|
if (currentNode.checkPointerOver(this))
|
|
{
|
|
// console.log('HRO set', currentNode.sprite.name);
|
|
this._highestRenderOrderID = currentNode.sprite.renderOrderID;
|
|
this._highestInputPriorityID = currentNode.priorityID;
|
|
this._highestRenderObject = currentNode;
|
|
}
|
|
}
|
|
currentNode = currentNode.next;
|
|
}
|
|
while (currentNode != null)
|
|
}
|
|
|
|
if (this._highestRenderObject == null)
|
|
{
|
|
// The pointer isn't currently over anything, check if we've got a lingering previous target
|
|
if (this.targetObject)
|
|
{
|
|
// console.log("The pointer isn't currently over anything, check if we've got a lingering previous target");
|
|
this.targetObject._pointerOutHandler(this);
|
|
this.targetObject = null;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (this.targetObject == null)
|
|
{
|
|
// And now set the new one
|
|
// console.log('And now set the new one');
|
|
this.targetObject = this._highestRenderObject;
|
|
this._highestRenderObject._pointerOverHandler(this);
|
|
}
|
|
else
|
|
{
|
|
// We've got a target from the last update
|
|
// console.log("We've got a target from the last update");
|
|
if (this.targetObject == this._highestRenderObject)
|
|
{
|
|
// Same target as before, so update it
|
|
// console.log("Same target as before, so update it");
|
|
if (this._highestRenderObject.update(this) === false)
|
|
{
|
|
this.targetObject = null;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// The target has changed, so tell the old one we've left it
|
|
// console.log("The target has changed, so tell the old one we've left it");
|
|
this.targetObject._pointerOutHandler(this);
|
|
|
|
// And now set the new one
|
|
this.targetObject = this._highestRenderObject;
|
|
this.targetObject._pointerOverHandler(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Called when the Pointer leaves the target area.
|
|
* @method Phaser.Pointer#leave
|
|
* @param {MouseEvent|PointerEvent|TouchEvent} event - The event passed up from the input handler.
|
|
*/
|
|
leave: function (event) {
|
|
|
|
this.withinGame = false;
|
|
this.move(event);
|
|
|
|
},
|
|
|
|
/**
|
|
* Called when the Pointer leaves the touchscreen.
|
|
* @method Phaser.Pointer#stop
|
|
* @param {MouseEvent|PointerEvent|TouchEvent} event - The event passed up from the input handler.
|
|
*/
|
|
stop: function (event) {
|
|
|
|
if (this._stateReset)
|
|
{
|
|
event.preventDefault();
|
|
return;
|
|
}
|
|
|
|
this.timeUp = this.game.time.now;
|
|
|
|
if (this.game.input.multiInputOverride == Phaser.Input.MOUSE_OVERRIDES_TOUCH || this.game.input.multiInputOverride == Phaser.Input.MOUSE_TOUCH_COMBINE || (this.game.input.multiInputOverride == Phaser.Input.TOUCH_OVERRIDES_MOUSE && this.game.input.currentPointers === 0))
|
|
{
|
|
this.game.input.onUp.dispatch(this, event);
|
|
|
|
// Was it a tap?
|
|
if (this.duration >= 0 && this.duration <= this.game.input.tapRate)
|
|
{
|
|
// Was it a double-tap?
|
|
if (this.timeUp - this.previousTapTime < this.game.input.doubleTapRate)
|
|
{
|
|
// Yes, let's dispatch the signal then with the 2nd parameter set to true
|
|
this.game.input.onTap.dispatch(this, true);
|
|
}
|
|
else
|
|
{
|
|
// Wasn't a double-tap, so dispatch a single tap signal
|
|
this.game.input.onTap.dispatch(this, false);
|
|
}
|
|
|
|
this.previousTapTime = this.timeUp;
|
|
}
|
|
}
|
|
|
|
// Mouse is always active
|
|
if (this.id > 0)
|
|
{
|
|
this.active = false;
|
|
}
|
|
|
|
this.withinGame = false;
|
|
this.isDown = false;
|
|
this.isUp = true;
|
|
|
|
if (this.isMouse === false)
|
|
{
|
|
this.game.input.currentPointers--;
|
|
}
|
|
|
|
if (this.game.input.interactiveItems.total > 0)
|
|
{
|
|
var currentNode = this.game.input.interactiveItems.next;
|
|
|
|
do
|
|
{
|
|
if (currentNode)
|
|
{
|
|
currentNode._releasedHandler(this);
|
|
}
|
|
|
|
currentNode = currentNode.next;
|
|
}
|
|
while (currentNode != null)
|
|
}
|
|
|
|
if (this.targetObject)
|
|
{
|
|
this.targetObject._releasedHandler(this);
|
|
}
|
|
|
|
this.targetObject = null;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* The Pointer is considered justPressed if the time it was pressed onto the touchscreen or clicked is less than justPressedRate.
|
|
* Note that calling justPressed doesn't reset the pressed status of the Pointer, it will return `true` for as long as the duration is valid.
|
|
* If you wish to check if the Pointer was pressed down just once then see the Sprite.events.onInputDown event.
|
|
* @method Phaser.Pointer#justPressed
|
|
* @param {number} [duration] - The time to check against. If none given it will use InputManager.justPressedRate.
|
|
* @return {boolean} true if the Pointer was pressed down within the duration given.
|
|
*/
|
|
justPressed: function (duration) {
|
|
|
|
duration = duration || this.game.input.justPressedRate;
|
|
|
|
return (this.isDown === true && (this.timeDown + duration) > this.game.time.now);
|
|
|
|
},
|
|
|
|
/**
|
|
* The Pointer is considered justReleased if the time it left the touchscreen is less than justReleasedRate.
|
|
* Note that calling justReleased doesn't reset the pressed status of the Pointer, it will return `true` for as long as the duration is valid.
|
|
* If you wish to check if the Pointer was released just once then see the Sprite.events.onInputUp event.
|
|
* @method Phaser.Pointer#justReleased
|
|
* @param {number} [duration] - The time to check against. If none given it will use InputManager.justReleasedRate.
|
|
* @return {boolean} true if the Pointer was released within the duration given.
|
|
*/
|
|
justReleased: function (duration) {
|
|
|
|
duration = duration || this.game.input.justReleasedRate;
|
|
|
|
return (this.isUp === true && (this.timeUp + duration) > this.game.time.now);
|
|
|
|
},
|
|
|
|
/**
|
|
* Resets the Pointer properties. Called by InputManager.reset when you perform a State change.
|
|
* @method Phaser.Pointer#reset
|
|
*/
|
|
reset: function () {
|
|
|
|
if (this.isMouse === false)
|
|
{
|
|
this.active = false;
|
|
}
|
|
|
|
this.identifier = null;
|
|
this.isDown = false;
|
|
this.isUp = true;
|
|
this.totalTouches = 0;
|
|
this._holdSent = false;
|
|
this._history.length = 0;
|
|
this._stateReset = true;
|
|
|
|
if (this.targetObject)
|
|
{
|
|
this.targetObject._releasedHandler(this);
|
|
}
|
|
|
|
this.targetObject = null;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Phaser.Pointer.prototype.constructor = Phaser.Pointer;
|
|
|
|
/**
|
|
* How long the Pointer has been depressed on the touchscreen. If not currently down it returns -1.
|
|
* @name Phaser.Pointer#duration
|
|
* @property {number} duration - How long the Pointer has been depressed on the touchscreen. If not currently down it returns -1.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Pointer.prototype, "duration", {
|
|
|
|
get: function () {
|
|
|
|
if (this.isUp)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
return this.game.time.now - this.timeDown;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* Gets the X value of this Pointer in world coordinates based on the world camera.
|
|
* @name Phaser.Pointer#worldX
|
|
* @property {number} duration - The X value of this Pointer in world coordinates based on the world camera.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Pointer.prototype, "worldX", {
|
|
|
|
get: function () {
|
|
|
|
return this.game.world.camera.x + this.x;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* Gets the Y value of this Pointer in world coordinates based on the world camera.
|
|
* @name Phaser.Pointer#worldY
|
|
* @property {number} duration - The Y value of this Pointer in world coordinates based on the world camera.
|
|
* @readonly
|
|
*/
|
|
Object.defineProperty(Phaser.Pointer.prototype, "worldY", {
|
|
|
|
get: function () {
|
|
|
|
return this.game.world.camera.y + this.y;
|
|
|
|
}
|
|
|
|
});
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
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|
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</div>
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<div class="clearfix"></div>
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<footer>
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|
|
|
|
<span class="copyright">
|
|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
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</span>
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<br />
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<span class="jsdoc-message">
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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on Wed Feb 05 2014 06:28:24 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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