/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2015 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A Frame is a single frame of an animation and is part of a FrameData collection.
*
* @class Phaser.Frame
* @constructor
* @param {number} index - The index of this Frame within the FrameData set it is being added to.
* @param {number} x - X position of the frame within the texture image.
* @param {number} y - Y position of the frame within the texture image.
* @param {number} width - Width of the frame within the texture image.
* @param {number} height - Height of the frame within the texture image.
* @param {string} name - The name of the frame. In Texture Atlas data this is usually set to the filename.
*/
Phaser.Frame = function (index, x, y, width, height, name) {
/**
* @property {number} index - The index of this Frame within the FrameData set it is being added to.
*/
this.index = index;
/**
* @property {number} x - X position within the image to cut from.
*/
this.x = x;
/**
* @property {number} y - Y position within the image to cut from.
*/
this.y = y;
/**
* @property {number} width - Width of the frame.
*/
this.width = width;
/**
* @property {number} height - Height of the frame.
*/
this.height = height;
/**
* @property {string} name - Useful for Texture Atlas files (is set to the filename value).
*/
this.name = name;
/**
* @property {number} centerX - Center X position within the image to cut from.
*/
this.centerX = Math.floor(width / 2);
/**
* @property {number} centerY - Center Y position within the image to cut from.
*/
this.centerY = Math.floor(height / 2);
/**
* @property {number} distance - The distance from the top left to the bottom-right of this Frame.
*/
this.distance = Phaser.Math.distance(0, 0, width, height);
/**
* @property {boolean} rotated - Rotated? (not yet implemented)
* @default
*/
this.rotated = false;
/**
* @property {string} rotationDirection - Either 'cw' or 'ccw', rotation is always 90 degrees.
* @default 'cw'
*/
this.rotationDirection = 'cw';
/**
* @property {boolean} trimmed - Was it trimmed when packed?
* @default
*/
this.trimmed = false;
/**
* @property {number} sourceSizeW - Width of the original sprite before it was trimmed.
*/
this.sourceSizeW = width;
/**
* @property {number} sourceSizeH - Height of the original sprite before it was trimmed.
*/
this.sourceSizeH = height;
/**
* @property {number} spriteSourceSizeX - X position of the trimmed sprite inside original sprite.
* @default
*/
this.spriteSourceSizeX = 0;
/**
* @property {number} spriteSourceSizeY - Y position of the trimmed sprite inside original sprite.
* @default
*/
this.spriteSourceSizeY = 0;
/**
* @property {number} spriteSourceSizeW - Width of the trimmed sprite.
* @default
*/
this.spriteSourceSizeW = 0;
/**
* @property {number} spriteSourceSizeH - Height of the trimmed sprite.
* @default
*/
this.spriteSourceSizeH = 0;
/**
* @property {number} right - The right of the Frame (x + width).
*/
this.right = this.x + this.width;
/**
* @property {number} bottom - The bottom of the frame (y + height).
*/
this.bottom = this.y + this.height;
};
Phaser.Frame.prototype = {
/**
* Adjusts of all the Frame properties based on the given width and height values.
*
* @method Phaser.Frame#resize
* @param {integer} width - The new width of the Frame.
* @param {integer} height - The new height of the Frame.
*/
resize: function (width, height) {
this.width = width;
this.height = height;
this.centerX = Math.floor(width / 2);
this.centerY = Math.floor(height / 2);
this.distance = Phaser.Math.distance(0, 0, width, height);
this.sourceSizeW = width;
this.sourceSizeH = height;
this.right = this.x + width;
this.bottom = this.y + height;
},
/**
* If the frame was trimmed when added to the Texture Atlas this records the trim and source data.
*
* @method Phaser.Frame#setTrim
* @param {boolean} trimmed - If this frame was trimmed or not.
* @param {number} actualWidth - The width of the frame before being trimmed.
* @param {number} actualHeight - The height of the frame before being trimmed.
* @param {number} destX - The destination X position of the trimmed frame for display.
* @param {number} destY - The destination Y position of the trimmed frame for display.
* @param {number} destWidth - The destination width of the trimmed frame for display.
* @param {number} destHeight - The destination height of the trimmed frame for display.
*/
setTrim: function (trimmed, actualWidth, actualHeight, destX, destY, destWidth, destHeight) {
this.trimmed = trimmed;
if (trimmed)
{
this.sourceSizeW = actualWidth;
this.sourceSizeH = actualHeight;
this.centerX = Math.floor(actualWidth / 2);
this.centerY = Math.floor(actualHeight / 2);
this.spriteSourceSizeX = destX;
this.spriteSourceSizeY = destY;
this.spriteSourceSizeW = destWidth;
this.spriteSourceSizeH = destHeight;
}
},
/**
* Clones this Frame into a new Phaser.Frame object and returns it.
* Note that all properties are cloned, including the name, index and UUID.
*
* @method Phaser.Frame#clone
* @return {Phaser.Frame} An exact copy of this Frame object.
*/
clone: function () {
var output = new Phaser.Frame(this.index, this.x, this.y, this.width, this.height, this.name);
for (var prop in this)
{
if (this.hasOwnProperty(prop))
{
output[prop] = this[prop];
}
}
return output;
},
/**
* Returns a Rectangle set to the dimensions of this Frame.
*
* @method Phaser.Frame#getRect
* @param {Phaser.Rectangle} [out] - A rectangle to copy the frame dimensions to.
* @return {Phaser.Rectangle} A rectangle.
*/
getRect: function (out) {
if (out === undefined)
{
out = new Phaser.Rectangle(this.x, this.y, this.width, this.height);
}
else
{
out.setTo(this.x, this.y, this.width, this.height);
}
return out;
}
};
Phaser.Frame.prototype.constructor = Phaser.Frame;
