phaser/src/input/CreatePixelPerfectHandler.js

31 lines
1,017 B
JavaScript
Raw Normal View History

/**
* @author Richard Davey <rich@photonstorm.com>
2022-02-28 14:29:51 +00:00
* @copyright 2022 Photon Storm Ltd.
2019-05-10 15:15:04 +00:00
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
/**
2018-06-08 17:24:08 +00:00
* Creates a new Pixel Perfect Handler function.
*
2018-06-08 17:24:08 +00:00
* Access via `InputPlugin.makePixelPerfect` rather than calling it directly.
*
* @function Phaser.Input.CreatePixelPerfectHandler
* @since 3.10.0
*
2018-06-08 17:24:08 +00:00
* @param {Phaser.Textures.TextureManager} textureManager - A reference to the Texture Manager.
2020-11-23 10:22:13 +00:00
* @param {number} alphaTolerance - The alpha level that the pixel should be above to be included as a successful interaction.
*
2018-06-08 17:24:08 +00:00
* @return {function} The new Pixel Perfect Handler function.
*/
var CreatePixelPerfectHandler = function (textureManager, alphaTolerance)
{
return function (hitArea, x, y, gameObject)
{
var alpha = textureManager.getPixelAlpha(x, y, gameObject.texture.key, gameObject.frame.name);
2018-06-08 17:24:08 +00:00
return (alpha && alpha >= alphaTolerance);
};
};
module.exports = CreatePixelPerfectHandler;