my_op0_game:

world                  2048 x 2048
application screen     512 x 512    -> /4 = 128 x 128
actor0_0 at (128,128)  128 x 128    -> /4 = 32 x 32
actor0_1 at (1024,256) 128 x 128    -> /4 = 32 x 32
actor1_0 at (0,256)    256 x 256

status :
- completed

purpose :
- setup world
- setup application screen with camera
- setup minimap (actor1_0)
- move application screen inside world using mouse clicked and mouse move
- create actors (actor0_0, actor0_1) in and out of the application screen

remarks :
- application screen camera : (0,0) is bottom left, camera original position is in the middle of the application screen (256,256)
- mouse: (0,0) is top left
- actors are instantiated and are positionned in screen reference domain