Function render_darts

pub fn render_darts(
    gizmos: Gizmos<'_, '_, DartGizmos>,
    vertices: Res<'_, MapVertices>,
    face_normals: Res<'_, FaceNormals>,
    dart_render_color: Res<'_, DartRenderColor>,
    dart_head_mul: Res<'_, DartHeadMul>,
    dart_shrink: Res<'_, DartShrink>,
    q: Query<'_, '_, (&Dart, &FaceId)>,
)

Dart rendering system.