Merge pull request #8424 from mrdoob/dev-sprite

Sprite: Fix raycast bug

src/objects/Sprite.js

@@ -39,7 +39,7 @@ THREE.Sprite.prototype.raycast = ( function () {
 		matrixPosition.setFromMatrixPosition( this.matrixWorld );
 
 		var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );
-		var guessSizeSq = this.scale.x * this.scale.y;
+		var guessSizeSq = this.scale.x * this.scale.y / 4;
 
 		if ( distanceSq > guessSizeSq ) {