raylib/examples/models_cubicmap.lua

79 lines
3.5 KiB
Lua

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--
-- raylib [models] example - Cubicmap loading and drawing
--
-- 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)
--
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-- Initialization
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local screenWidth = 800
local screenHeight = 450
InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing")
-- Define the camera to look into our 3d world
local camera = Camera(Vector3(16.0, 14.0, 16.0), Vector3(0.0, 0.0, 0.0), Vector3(0.0, 1.0, 0.0), 45.0)
local image = LoadImage("resources/cubicmap.png") -- Load cubicmap image (RAM)
local cubicmap = LoadTextureFromImage(image) -- Convert image to texture to display (VRAM)
local map = LoadCubicmap(image) -- Load cubicmap model (generate model from image)
-- NOTE: By default each cube is mapped to one part of texture atlas
local texture = LoadTexture("resources/cubicmap_atlas.png") -- Load map texture
map.material.texDiffuse = texture -- Set map diffuse texture
local mapPosition = Vector3(-16.0, 0.0, -8.0) -- Set model position
UnloadImage(image) -- Unload cubesmap image from RAM, already uploaded to VRAM
SetCameraMode(CameraMode.ORBITAL) -- Set an orbital camera mode
SetCameraPosition(camera.position) -- Set internal camera position to match our custom camera position
SetCameraFovy(camera.fovy) -- Set internal camera field-of-view Y
SetTargetFPS(60) -- Set our game to run at 60 frames-per-second
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-- Main game loop
while not WindowShouldClose() do -- Detect window close button or ESC key
-- Update
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camera = UpdateCamera(camera) -- Update internal camera and our camera
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-- Draw
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BeginDrawing()
ClearBackground(RAYWHITE)
Begin3dMode(camera)
DrawModel(map, mapPosition, 1.0, WHITE)
End3dMode()
DrawTextureEx(cubicmap, (Vector2)(screenWidth - cubicmap.width*4 - 20, 20), 0.0, 4.0, WHITE)
DrawRectangleLines(screenWidth - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN)
DrawText("cubicmap image used to", 658, 90, 10, GRAY)
DrawText("generate map 3d model", 658, 104, 10, GRAY)
DrawFPS(10, 10)
EndDrawing()
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end
-- De-Initialization
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UnloadTexture(cubicmap) -- Unload cubicmap texture
UnloadTexture(texture) -- Unload map texture
UnloadModel(map) -- Unload map model
CloseWindow() -- Close window and OpenGL context
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