gamnit: intro `camera_control` an abstraction of `accept_two_fingers_motion`

[nit.git] / lib / gamnit / camera_control_android.nit

diff --git a/lib/gamnit/android_two_fingers_motion.nit b/lib/gamnit/camera_control_android.nit
similarity index 79%
rename from lib/gamnit/android_two_fingers_motion.nit
rename to lib/gamnit/camera_control_android.nit
index b8329ef..6461c29 100644 (file)
--- a/lib/gamnit/android_two_fingers_motion.nit
+++ b/lib/gamnit/camera_control_android.nit
@@ -12,16 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Two fingers camera manipulation, scroll and pinch to zoom
-#
-# Provides the main service `EulerCamera::accept_two_fingers_motion`.
-module android_two_fingers_motion
-
-# TODO add an abstraction when another platform supports it
+# Two fingers camera manipulation, pinch to zoom and slide to scroll
+module camera_control_android
 
-import gamnit
-import cameras
 import android
+import camera_control
 
 redef class EulerCamera
        # Smoothened history of pointers in the current motion event
@@ -30,23 +25,7 @@ redef class EulerCamera
        # Start time of the current motion event
        private var last_motion_start: Int = -1
 
-       # Move and zoom (set `position`) from a two finger pinch and slide option
-       #
-       # Returns `true` if the event is intercepted.
-       #
-       # Should be called from `App::accept_event` before accepting pointer events:
-       #
-       # ~~~nitish
-       # redef class App
-       #     redef fun accept_event(event)
-       #     do
-       #         if world_camera.accept_two_fingers_motion(event) then return true
-       #
-       #         # Handle other events...
-       #     end
-       # end
-       # ~~~
-       fun accept_two_fingers_motion(event: InputEvent): Bool
+       redef fun accept_scroll_and_zoom(event)
        do
                if not event isa AndroidMotionEvent then return false