8000 phaser/src/input/InputHandler.js at bebb83bad476a379c61e95362d9e222b989db451 · ITCSsDeveloper/phaser · GitHub
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InputHandler.js

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InputHandler.js

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if (this.sprite.anchor.y !== 0)
{
y -= -this.sprite.texture.frame.height * this.sprite.anchor.y;
}
x += this.sprite.texture.frame.x;
y += this.sprite.texture.frame.y;
if (this.sprite.texture.trim)
{
x -= this.sprite.texture.trim.x;
y -= this.sprite.texture.trim.y;
// If the coordinates are outside the trim area we return false immediately, to save doing a draw call
if (x < this.sprite.texture.crop.x || x > this.sprite.texture.crop.right || y < this.sprite.texture.crop.y || y > this.sprite.texture.crop.bottom)
{
this._dx = x;
this._dy = y;
return false;
}
}
this._dx = x;
this._dy = y;
this.game.input.hitContext.clearRect(0, 0, 1, 1);
this.game.input.hitContext.drawImage(this.sprite.texture.baseTexture.source, x, y, 1, 1, 0, 0, 1, 1);
var rgb = this.game.input.hitContext.getImageData(0, 0, 1, 1);
if (rgb.data[3] >= this.pixelPerfectAlpha)
{
return true;
}
}
return false;
},
/**
* Update.
*
* @method Phaser.InputHandler#update
* @protected
* @param {Phaser.Pointer} pointer
*/
update: function (pointer) {
if (this.sprite === null || this.sprite.parent === undefined)
{
// Abort. We've been destroyed.
return;
}
if (!this.enabled || !this.sprite.visible || !this.sprite.parent.visible)
{
this._pointerOutHandler(pointer);
return false;
}
if (this.draggable && this._draggedPointerID === pointer.id)
{
return this.updateDrag(pointer);
}
else if (this._pointerData[pointer.id].isOver)
{
if (this.checkPointerOver(pointer))
{
this._pointerData[pointer.id].x = pointer.x - this.sprite.x;
this._pointerData[pointer.id].y = pointer.y - this.sprite.y;
return true;
}
else
{
this._pointerOutHandler(pointer);
return false;
}
}
},
/**
* Internal method handling the pointer over event.
*
* @method Phaser.InputHandler#_pointerOverHandler
* @private
* @param {Phaser.Pointer} pointer
*/
_pointerOverHandler: function (pointer) {
if (this.sprite === null)
{
// Abort. We've been destroyed.
return;
}
if (this._pointerData[pointer.id].isOver === false || pointer.dirty)
{
this._pointerData[pointer.id].isOver = true;
this._pointerData[pointer.id].isOut = false;
this._pointerData[pointer.id].timeOver = this.game.time.now;
this._pointerData[pointer.id].x = pointer.x - this.sprite.x;
this._pointerData[pointer.id].y = pointer.y - this.sprite.y;
if (this.useHandCursor && this._pointerData[pointer.id].isDragged === false)
{
this.game.canvas.style.cursor = "pointer";
this._setHandCursor = true;
}
if (this.sprite && this.sprite.events)
{
this.sprite.events.onInputOver.dispatch(this.sprite, pointer);
}
}
},
/**
* Internal method handling the pointer out event.
*
* @method Phaser.InputHandler#_pointerOutHandler
* @private
* @param {Phaser.Pointer} pointer
*/
_pointerOutHandler: function (pointer) {
if (this.sprite === null)
{
// Abort. We've been destroyed.
return;
}
this._pointerData[pointer.id].isOver = false;
this._pointerData[pointer.id].isOut = true;
this._pointerData[pointer.id].timeOut = this.game.time.now;
if (this.useHandCursor && this._pointerData[pointer.id].isDragged === false)
{
this.game.canvas.style.cursor = "default";
this._setHandCursor = false;
}
if (this.sprite && this.sprite.events)
{
this.sprite.events.onInputOut.dispatch(this.sprite, pointer);
}
},
/**
* Internal method handling the touched event.
* @method Phaser.InputHandler#_touchedHandler
* @private
* @param {Phaser.Pointer} pointer
*/
_touchedHandler: function (pointer) {
if (this.sprite === null)
{
// Abort. We've been destroyed.
return;
}
if (this._pointerData[pointer.id].isDown === false && this._pointerData[pointer.id].isOver === true)
{
if (this.pixelPerfectClick && !this.checkPixel(null, null, pointer))
{
return;
}
this._pointerData[pointer.id].isDown = true;
this._pointerData[pointer.id].isUp = false;
this._pointerData[pointer.id].timeDown = this.game.time.now;
if (this.sprite && this.sprite.events)
{
this.sprite.events.onInputDown.dispatch(this.sprite, pointer);
}
// It's possible the onInputDown event created a new Sprite that is on-top of this one, so we ought to force a Pointer update
pointer.dirty = true;
// Start drag
if (this.draggable && this.isDragged === false)
{
this.startDrag(pointer);
}
if (this.bringToTop)
{
this.sprite.bringToTop();
}
}
// Consume the event?
return this.consumePointerEvent;
},
/**
* Internal method handling the pointer released event.
* @method Phaser.InputHandler#_releasedHandler
* @private
* @param {Phaser.Pointer} pointer
*/
_releasedHandler: function (pointer) {
if (this.sprite === null)
{
// Abort. We've been destroyed.
return;
}
// If was previously touched by this Pointer, check if still is AND still over this item
if (this._pointerData[pointer.id].isDown && pointer.isUp)
{
this._pointerData[pointer.id].isDown = false;
this._pointerData[pointer.id].isUp = true;
this._pointerData[pointer.id].timeUp = this.game.time.now;
this._pointerData[pointer.id].downDuration = this._pointerData[pointer.id].timeUp - this._pointerData[pointer.id].timeDown;
// Only release the InputUp signal if the pointer is still over this sprite
if (this.checkPointerOver(pointer))
{
// Release the inputUp signal and provide optional parameter if pointer is still over the sprite or not
if (this.sprite && this.sprite.events)< 2A19 /div>
{
this.sprite.events.onInputUp.dispatch(this.sprite, pointer, true);
}
}
else
{
// Release the inputUp signal and provide optional parameter if pointer is still over the sprite or not
if (this.sprite && this.sprite.events)
{
this.sprite.events.onInputUp.dispatch(this.sprite, pointer, false);
}
// Pointer outside the sprite? Reset the cursor
if (this.useHandCursor)
{
this.game.canvas.style.cursor = "default";
this._setHandCursor = false;
}
}
// It's possible the onInputUp event created a new Sprite that is on-top of this one, so we ought to force a Pointer update
pointer.dirty = true;
// Stop drag
if (this.draggable && this.isDragged && this._draggedPointerID === pointer.id)
{
this.stopDrag(pointer);
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