Add raylib lua examples

examples/text_bmfont_ttf.lua

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+-------------------------------------------------------------------------------------------
+--
+--  raylib [text] example - BMFont and TTF SpriteFonts loading
+--
+--  This example has been created using raylib 1.6 (www.raylib.com)
+--  raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+--
+--  Copyright (c) 2014-2016 Ramon Santamaria (@raysan5)
+--
+-------------------------------------------------------------------------------------------
+
+-- Initialization
+-------------------------------------------------------------------------------------------
+local screenWidth = 800
+local screenHeight = 450
+
+InitWindow(screenWidth, screenHeight, "raylib [text] example - bmfont and ttf sprite fonts loading")
+
+local msgBm = "THIS IS AN AngelCode SPRITE FONT"
+local msgTtf = "THIS FONT has been GENERATED from TTF"
+
+-- NOTE: Textures/Fonts MUST be loaded after Window initialization (OpenGL context is required)
+local fontBm = LoadSpriteFont("resources/fonts/bmfont.fnt")       -- BMFont (AngelCode)
+local fontTtf = LoadSpriteFont("resources/fonts/pixantiqua.ttf")  -- TTF font
+
+local fontPosition = Vector2(0, 0)
+fontPosition.x = screenWidth/2 - MeasureTextEx(fontBm, msgBm, fontBm.size, 0).x/2
+fontPosition.y = screenHeight/2 - fontBm.size/2 - 80
+
+SetTargetFPS(60)            -- Set target frames-per-second
+-------------------------------------------------------------------------------------------
+
+-- Main game loop
+while not WindowShouldClose() do            -- Detect window close button or ESC key
+    -- Update
+    ---------------------------------------------------------------------------------------
+    -- TODO: Update variables here...
+    ---------------------------------------------------------------------------------------
+
+    -- Draw
+    ---------------------------------------------------------------------------------------
+    BeginDrawing()
+
+        ClearBackground(RAYWHITE)
+
+        DrawTextEx(fontBm, msgBm, fontPosition, fontBm.size, 0, MAROON)
+        DrawTextEx(fontTtf, msgTtf, Vector2(60.0, 240.0), fontTtf.size, 2, LIME)
+
+    EndDrawing()
+    ---------------------------------------------------------------------------------------
+end
+
+-- De-Initialization
+-------------------------------------------------------------------------------------------
+UnloadSpriteFont(fontBm)     -- AngelCode SpriteFont unloading
+UnloadSpriteFont(fontTtf)    -- TTF SpriteFont unloading
+
+CloseWindow()                -- Close window and OpenGL context
+-------------------------------------------------------------------------------------------