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Added z parameter

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This commit is contained in:
Richard Davey 2020-10-07 13:15:44 +01:00
parent 8ff78ef08a
commit c6d25c9559
1 changed files with 6 additions and 2 deletions
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8
src/geom/mesh/Face.js
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@ -312,15 +312,19 @@ var Face = new Class({
* @method Phaser.Geom.Mesh.Face#isCounterClockwise
* @since 3.50.0
*
* @param {number} z - The z-axis value to test against. Typically the `MeshCamera.position.z`.
*
* @return {boolean} `true` if the vertices in this Face run counter-clockwise, otherwise `false`.
*/
isCounterClockwise: function ()
isCounterClockwise: function (z)
{
var v1 = this.vertex1;
var v2 = this.vertex2;
var v3 = this.vertex3;
return (v2.vx - v1.vx) * (v3.vy - v1.vy) - (v2.vy - v1.vy) * (v3.vx - v1.vx) >= 0;
var d = (v2.vx - v1.vx) * (v3.vy - v1.vy) - (v2.vy - v1.vy) * (v3.vx - v1.vx);
return (z <= 0) ? d >= 0 : d < 0;
},
/**