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Added Face.alpha getter and setter

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This commit is contained in:
Richard Davey 2020-10-21 10:14:56 +01:00
parent ce3645cbb2
commit 774b6987c4
1 changed files with 33 additions and 0 deletions
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33
src/geom/mesh/Face.js
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@ -484,6 +484,39 @@ var Face = new Class({
},
/**
* Set the alpha value of this Face.
*
* Each vertex is given the same value. If you need to adjust the alpha on a per-vertex basis
* then use the `Vertex.alpha` property instead.
*
* When getting the alpha of this Face, it will return an average of the alpha
* component of all three vertices.
*
* @name Phaser.Geom.Mesh.Face#alpha
* @type {number}
* @since 3.50.0
*/
alpha: {
get: function ()
{
var v1 = this.vertex1;
var v2 = this.vertex2;
var v3 = this.vertex3;
return (v1.alpha + v2.alpha + v3.alpha) / 3;
},
set: function (value)
{
this.vertex1.alpha = value;
this.vertex2.alpha = value;
this.vertex3.alpha = value;
}
},
/**
* The depth of this Face, which is an average of the z component of all three vertices.
*