Sprite: The result of sprite.raycast add uv

src/objects/Sprite.js

@@ -6,6 +6,7 @@
 import { Vector2 } from '../math/Vector2.js';
 import { Vector3 } from '../math/Vector3.js';
 import { Matrix4 } from '../math/Matrix4.js';
+import { Triangle } from '../math/Triangle.js';
 import { Object3D } from '../core/Object3D.js';
 import { BufferGeometry } from '../core/BufferGeometry.js';
 import { InterleavedBuffer } from '../core/InterleavedBuffer.js';
@@ -66,6 +67,10 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 		var vB = new Vector3();
 		var vC = new Vector3();
 
+		var uvA = new Vector2();
+		var uvB = new Vector2();
+		var uvC = new Vector2();
+
 		function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {
 
 			// compute position in camera space
@@ -93,6 +98,22 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
 		}
 
+		var barycoord = new Vector3();
+
+		function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {
+
+			Triangle.getBarycoord( point, p1, p2, p3, barycoord );
+
+			uv1.multiplyScalar( barycoord.x );
+			uv2.multiplyScalar( barycoord.y );
+			uv3.multiplyScalar( barycoord.z );
+
+			uv1.add( uv2 ).add( uv3 );
+
+			return uv1.clone();
+
+		}
+
 		return function raycast( raycaster, intersects ) {
 
 			worldScale.setFromMatrixScale( this.matrixWorld );
@@ -114,6 +135,10 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 			transformVertex( vB.set( 0.5, - 0.5, 0 ), mvPosition, center, worldScale, sin, cos );
 			transformVertex( vC.set( 0.5, 0.5, 0 ), mvPosition, center, worldScale, sin, cos );
 
+			uvA.set( 0, 0 );
+			uvB.set( 1, 0 );
+			uvC.set( 1, 1 );
+
 			// check first triangle
 			var intersect = raycaster.ray.intersectTriangle( vA, vB, vC, false, intersectPoint );
 
@@ -121,6 +146,8 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
 				// check second triangle
 				transformVertex( vB.set( - 0.5, 0.5, 0 ), mvPosition, center, worldScale, sin, cos );
+				uvB.set( 0, 1 );
+
 				intersect = raycaster.ray.intersectTriangle( vA, vC, vB, false, intersectPoint );
 				if ( intersect === null ) {
 
@@ -138,6 +165,7 @@ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
 				distance: distance,
 				point: intersectPoint.clone(),
+				uv: uvIntersection( intersectPoint, vA, vB, vC, uvA, uvB, uvC ),
 				face: null,
 				object: this