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Zoom level animation #28

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Zoom level animation #28

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50048a5
Round zoom level to avoid upscale/downscale artefacts.
slukovic Apr 2, 2024
dd8c399
Animate zoom level changes
slukovic Apr 2, 2024
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9 changes: 6 additions & 3 deletions eepers.adb
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,14 +1029,17 @@ procedure Eepers is
Camera_Target: constant Vector2 := To_Vector2(Game.Player.Position)*Cell_Size;
Camera_Offset: constant Vector2 := Screen_Size*0.5 - Cell_Size*0.5;
Camera_Velocity: constant Vector2 := (Camera_Target - Game.Camera.target)*2.0;

-- set the zoom level to the ratio of the current and the reference screen size (FHD) and round it to the first decimal
Camera_Zoom: constant C_Float := C_Float'Rounding(C_Float'Max(Screen_Size.x/1920.0, Screen_Size.y/1080.0) * 10.0) / 10.0;
Camera_Zoom_Velocity: constant C_Float := (Camera_Zoom - Game.Camera.zoom)*4.0;
begin
Game.Camera.offset := Camera_Offset;
Game.Camera.target := Game.Camera.target + Camera_Velocity*Get_Frame_Time;
-- TODO: animate zoom similarly to Game.Camera.target
-- So it looks cool when you resize the game in the window mode.
-- TODO: The tutorial signs look gross on bigger screens.
-- We need to do something with the fonts
Game.Camera.zoom := C_Float'Max(Screen_Size.x/1920.0, Screen_Size.y/1080.0);
Game.Camera.zoom := Camera_Zoom;
Game.Camera.zoom := Game.Camera.zoom + Camera_Zoom_Velocity*Get_Frame_Time;
end;

function Interpolate_Positions(IPrev_Position, IPosition: IVector2; T: Float) return Vector2 is
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