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Alternative way to specify tile size in spritesheets: negative means how many tiles there are

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TheJare 2013-09-21 19:23:25 +02:00
parent a4bc69c2f7
commit 15ad941908
1 changed files with 10 additions and 2 deletions
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12
src/animation/Parser.js
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@ -15,8 +15,8 @@ Phaser.Animation.Parser = {
* @method spriteSheet
* @param {Phaser.Game} game A reference to the currently running game.
* @param {String} key The Game.Cache asset key of the Sprite Sheet image.
* @param {Number} frameWidth The fixed width of each frame of the animation.
* @param {Number} frameHeight The fixed height of each frame of the animation.
* @param {Number} frameWidth The fixed width of each frame of the animation. If negative, indicates how many columns there are.
* @param {Number} frameHeight The fixed height of each frame of the animation. If negative, indicates how many rows there are.
* @param {Number} [frameMax=-1] The total number of animation frames to extact from the Sprite Sheet. The default value of -1 means "extract all frames".
* @return {Phaser.Animation.FrameData} A FrameData object containing the parsed frames.
*/
@ -32,6 +32,14 @@ Phaser.Animation.Parser = {
var width = img.width;
var height = img.height;
if (frameWidth <= 0)
{
frameWidth = Math.floor(-width/Math.min(-1, frameWidth));
}
if (frameHeight <= 0)
{
frameHeight = Math.floor(-height/Math.min(-1, frameHeight));
}
var row = Math.round(width / frameWidth);
var column = Math.round(height / frameHeight);
var total = row * column;