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51 lines
2.1 KiB
51 lines
2.1 KiB
-------------------------------------------------------------------------------------------
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--
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-- raylib [core] example - Keyboard input
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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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local screenWidth = 800
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local screenHeight = 450
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InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window")
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local ballPosition = Vector2(screenWidth/2, screenHeight/2)
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SetTargetFPS(60) -- Set target 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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if (IsKeyDown(KEY.RIGHT)) then ballPosition.x = ballPosition.x + 0.8 end
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if (IsKeyDown(KEY.LEFT)) then ballPosition.x = ballPosition.x - 0.8 end
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if (IsKeyDown(KEY.UP)) then ballPosition.y = ballPosition.y - 0.8 end
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if (IsKeyDown(KEY.DOWN)) then ballPosition.y = ballPosition.y + 0.8 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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DrawText("move the ball with arrow keys", 10, 10, 20, DARKGRAY)
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DrawCircleV(ballPosition, 50, MAROON)
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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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CloseWindow() -- Close window and OpenGL context
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-------------------------------------------------------------------------------------------
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