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								-------------------------------------------------------------------------------------------
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								--
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								--  raylib [core] example - Oculus Rift CV1
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								--
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								--  NOTE: Example requires linkage with LibOVR
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								--
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								--  This example has been created using raylib 1.6 (www.raylib.com)
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								--  raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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								--
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								--  Copyright (c) 2014-2016 Ramon Santamaria (@raysan5)
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								--
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								-------------------------------------------------------------------------------------------
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								-- Initialization
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								-------------------------------------------------------------------------------------------
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								local screenWidth = 1080
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								local screenHeight = 600
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								-- NOTE: screenWidth/screenHeight should match VR device aspect ratio
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								InitWindow(screenWidth, screenHeight, "raylib [core] example - oculus rift")
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								-- NOTE: If device is not available, it fallbacks to default device (simulator)
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								InitVrDevice(VrDevice.OCULUS_RIFT_CV1)      -- Init VR device (Oculus Rift CV1)
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								-- Define the camera to look into our 3d world
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								local camera = {}
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								camera.position = Vector3(5.0, 5.0, 5.0)    -- Camera position
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								camera.target = Vector3(0.0, 0.0, 0.0)      -- Camera looking at point
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								camera.up = Vector3(0.0, 1.0, 0.0)          -- Camera up vector (rotation towards target)
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								camera.fovy = 60.0                          -- Camera field-of-view Y
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								local cubePosition = Vector3(0.0, 0.0, 0.0)
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								SetTargetFPS(90)                    -- Set our game to run at 90 frames-per-second
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								----------------------------------------------------------------------------------------
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								-- Main game loop
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								while not WindowShouldClose() do    -- Detect window close button or ESC key
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								    -- Update
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								    ------------------------------------------------------------------------------------
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								    UpdateVrTracking()
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								    if (IsKeyPressed(KEY.SPACE)) then ToggleVrMode() end
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								    ------------------------------------------------------------------------------------
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								    -- Draw
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								    ------------------------------------------------------------------------------------
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								    BeginDrawing()
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								        ClearBackground(RAYWHITE)
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								        Begin3dMode(camera)
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								            DrawCube(cubePosition, 2.0, 2.0, 2.0, RED)
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								            DrawCubeWires(cubePosition, 2.0, 2.0, 2.0, MAROON)
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								            DrawGrid(10, 1.0)
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								        End3dMode()
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								        DrawFPS(10, 10)
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								    EndDrawing()
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								    ------------------------------------------------------------------------------------
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								end
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								-- De-Initialization
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								----------------------------------------------------------------------------------------
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								CloseVrDevice()        -- Close VR device
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								CloseWindow()          -- Close window and OpenGL context
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								----------------------------------------------------------------------------------------
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