Change-Id: I0ff6d42a8e11f49df6fc3066e86be75015b93631 Reviewed-on: https://go-review.googlesource.com/1238 Reviewed-by: Andrew Gerrand <adg@golang.org>
LGTM=nigeltao R=nigeltao CC=golang-codereviews https://golang.org/cl/172050044
Also add the example/sprite program. LGTM=crawshaw R=crawshaw CC=golang-codereviews https://golang.org/cl/170270043