Function checkGeometryIntersection

src/objects/Mesh.js:440–494

( object, material, raycaster, ray, uv, uv1, normal, a, b, c )

}

function checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) {

	object.getVertexPosition( a, _vA );
	object.getVertexPosition( b, _vB );
	object.getVertexPosition( c, _vC );

	const intersection = checkIntersection( object, material, raycaster, ray, _vA, _vB, _vC, _intersectionPoint );

	if ( intersection ) {

		const barycoord = new Vector3();
		Triangle.getBarycoord( _intersectionPoint, _vA, _vB, _vC, barycoord );

		if ( uv ) {

			intersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() );

		}

		if ( uv1 ) {

			intersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() );

		}

		if ( normal ) {

			intersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() );

			if ( intersection.normal.dot( ray.direction ) > 0 ) {

				intersection.normal.multiplyScalar( - 1 );

			}

		}

		const face = {
			a: a,
			b: b,
			c: c,
			normal: new Vector3(),
			materialIndex: 0
		};

		Triangle.getNormal( _vA, _vB, _vC, face.normal );

		intersection.face = face;
		intersection.barycoord = barycoord;

	}

	return intersection;

}

export { Mesh };