Collision functions...

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@@ -748,6 +748,8 @@ package Raylib is
 		Direction : Vector_3D := (0.0, 0.0, 0.0);
 	end record with Convention => C_Pass_By_Copy;
 
+	No_Ray : Ray;
+
 	type Ray_Collision is record
 		Hit      : Logical   := False;
 		Distance : Float     := 0.0;
@@ -755,11 +757,15 @@ package Raylib is
 		Normal   : Vector_3D := (0.0, 0.0, 0.0);
 	end record with Convention => C_Pass_By_Copy;
 
+	No_Ray_Collision : Ray_Collision;
+
 	type Bounding_Box is record
 		Min : Vector_3D := (0.0, 0.0, 0.0);
 		Max : Vector_3D := (0.0, 0.0, 0.0);
 	end record with Convention => C_Pass_By_Copy;
 
+	No_Bounding_Box : Bounding_Box;
+
 	type Wave is record
 		Frame_Count : Natural := 0;
 		Sample_Rate : Natural := 0;
@@ -3727,45 +3733,79 @@ package Raylib is
 		--~Convention    => C,
 		--~External_Name => "";
 
-	--~function bool CheckCollisionSpheres (Vector3 center1, float radius1, Vector3 center2, float radius2) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Check_Collision_Spheres (
+		Center_1 : Vector_3D := (0.0, 0.0, 0.0);
+		Radius_1 : Float     := 0.0;
+		Center_2 : Vector_3D := (0.0, 0.0, 0.0);
+		Radius_2 : Float     := 0.0
+	) return Logical with
+		Import        => True,
+		Convention    => C,
+		External_Name => "CheckCollisionSpheres";
 
-	--~function bool CheckCollisionBoxes (BoundingBox box1, BoundingBox box2) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Check_Collision_Boxes (
+		Box_1 : Bounding_Box := No_Bounding_Box;
+		Box_2 : Bounding_Box := No_Bounding_Box
+	) return Logical with
+		Import        => True,
+		Convention    => C,
+		External_Name => "CheckCollisionBoxes";
 
-	--~function bool CheckCollisionBoxSphere (BoundingBox box, Vector3 center, float radius) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Check_Collision_Box_Sphere (
+		Box    : Bounding_Box := No_Bounding_Box;
+		Center : Vector_3D    := (0.0, 0.0, 0.0);
+		Radius : Float        := 0.0
+	) return Logical with
+		Import        => True,
+		Convention    => C,
+		External_Name => "CheckCollisionBoxSphere";
 
-	--~function RayCollision GetRayCollisionSphere (Ray ray, Vector3 center, float radius) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Ray_Collision_Sphere (
+		Hit    : Ray       := No_Ray;
+		Center : Vector_3D := (0.0, 0.0, 0.0);
+		Radius : Float     := 0.0
+	) return Ray_Collision with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetRayCollisionSphere";
 
-	--~function RayCollision GetRayCollisionBox (Ray ray, BoundingBox box) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Ray_Collision_Box (
+		Hit : Ray          := No_Ray;
+		Box : Bounding_Box := No_Bounding_Box
+	) return Ray_Collision with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetRayCollisionBox";
 
-	--~function RayCollision GetRayCollisionMesh (Ray ray, Mesh mesh, Matrix transform) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Ray_Collision_Mesh (
+		Hit       : Ray       := No_Ray;
+		Data      : Mesh      := No_Mesh;
+		Transform : Matrix_4D := Id_Matrix
+	) return Ray_Collision with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetRayCollisionMesh";
 
-	--~function RayCollision GetRayCollisionTriangle (Ray ray, Vector3 p1, Vector3 p2, Vector3 p3) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Ray_Collision_Triangle (
+		Hit     : Ray       := No_Ray;
+		Point_1 : Vector_3D := (0.0, 0.0, 0.0);
+		Point_2 : Vector_3D := (0.0, 0.0, 0.0);
+		Point_3 : Vector_3D := (0.0, 0.0, 0.0)
+	) return Ray_Collision with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetRayCollisionTriangle";
 
-	--~function RayCollision GetRayCollisionQuad (Ray ray, Vector3 p1, Vector3 p2, Vector3 p3, Vector3 p4) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Ray_Collision_Quad (
+		Hit     : Ray       := No_Ray;
+		Point_1 : Vector_3D := (0.0, 0.0, 0.0);
+		Point_2 : Vector_3D := (0.0, 0.0, 0.0);
+		Point_3 : Vector_3D := (0.0, 0.0, 0.0);
+		Point_4 : Vector_3D := (0.0, 0.0, 0.0)
+	) return Ray_Collision with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetRayCollisionQuad";
 
 	--~typedef void  (*AudioCallback) (void *bufferData, unsigned int frames) with
 		--~Import        => True,
@@ -3782,20 +3822,20 @@ package Raylib is
 		Convention    => C,
 		External_Name => "CloseAudioDevice";
 
-	--~function bool IsAudioDeviceReady (void) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Is_Audio_Device_Ready return Logical with
+		Import        => True,
+		Convention    => C,
+		External_Name => "IsAudioDeviceReady";
 
-	--~procedure SetMasterVolume (float volume) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	procedure Set_Master_Volume (Volume : Float := 1.0) with
+		Import        => True,
+		Convention    => C,
+		External_Name => "SetMasterVolume";
 
-	--~function float GetMasterVolume (void) with
-		--~Import        => True,
-		--~Convention    => C,
-		--~External_Name => "";
+	function Get_Master_Volume return Float with
+		Import        => True,
+		Convention    => C,
+		External_Name => "GetMasterVolume";
 
 	--~function Wave LoadWave (const char *fileName) with
 		--~Import        => True,