gamnit: cache UICamera anchor points

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

diff --git a/lib/gamnit/flat.nit b/lib/gamnit/flat.nit
index 6a52dc4..cafac8a 100644 (file)
--- a/lib/gamnit/flat.nit
+++ b/lib/gamnit/flat.nit
@@ -42,6 +42,7 @@ import performance_analysis
 
 import gamnit
 import gamnit::cameras_cache
+intrude import gamnit::cameras
 import gamnit::dynamic_resolution
 import gamnit::limit_fps
 import gamnit::camera_control
@@ -583,12 +584,6 @@ private class Simple2dProgram
 end
 
 redef class Point3d[N]
-       # Get a new `Point3d[Float]` with an offset of each axis of `x, y, z`
-       fun offset(x, y, z: Numeric): Point3d[Float]
-       do
-               return new Point3d[Float](self.x.to_f+x.to_f, self.y.to_f+y.to_f, self.z.to_f+z.to_f)
-       end
-
        # ---
        # Associate each point to its sprites
 
@@ -639,6 +634,26 @@ redef class Point3d[N]
        end
 end
 
+redef class OffsetPoint3d
+       redef fun x=(v)
+       do
+               if isset _x and v != x then needs_update
+               super
+       end
+
+       redef fun y=(v)
+       do
+               if isset _y and v != y then needs_update
+               super
+       end
+
+       redef fun z=(v)
+       do
+               if isset _z and v != z then needs_update
+               super
+       end
+end
+
 # Set of sprites sorting them into different `SpriteContext`
 private class SpriteSet
        super HashSet[Sprite]