diff options
Diffstat (limited to 'examples/snake')
| -rw-r--r-- | examples/snake/main.lua | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/examples/snake/main.lua b/examples/snake/main.lua index dd752e4..0f07317 100644 --- a/examples/snake/main.lua +++ b/examples/snake/main.lua @@ -7,8 +7,8 @@ local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum wannabe. -- Resources local framebuffer = -1 local monitor = 0 -local monitorPos = RL_GetMonitorPosition( monitor ) -local monitorSize = RL_GetMonitorSize( monitor ) +local monitorPos = RL.GetMonitorPosition( monitor ) +local monitorSize = RL.GetMonitorSize( monitor ) local winScale = 6 local winSize = { RESOLUTION[1] * winScale, RESOLUTION[2] * winScale } local gameState = STATE.GAME @@ -64,18 +64,18 @@ end -- Init. -function init() - RL_SetWindowState( FLAG_WINDOW_RESIZABLE ) - RL_SetWindowState( FLAG_VSYNC_HINT ) - RL_SetWindowSize( winSize ) - RL_SetWindowPosition( { monitorPos[1] + monitorSize[1] / 2 - winSize[1] / 2, monitorPos[2] + monitorSize[2] / 2 - winSize[2] / 2 } ) - RL_SetWindowTitle( "Snake" ) - RL_SetWindowIcon( RL_LoadImage( RL_GetBasePath().."../resources/images/apple.png" ) ) +function RL.init() + RL.SetWindowState( RL.FLAG_WINDOW_RESIZABLE ) + RL.SetWindowState( RL.FLAG_VSYNC_HINT ) + RL.SetWindowSize( winSize ) + RL.SetWindowPosition( { monitorPos[1] + monitorSize[1] / 2 - winSize[1] / 2, monitorPos[2] + monitorSize[2] / 2 - winSize[2] / 2 } ) + RL.SetWindowTitle( "Snake" ) + RL.SetWindowIcon( RL.LoadImage( RL.GetBasePath().."../resources/images/apple.png" ) ) - framebuffer = RL_LoadRenderTexture( RESOLUTION ) - grassTexture = RL_LoadTexture( RL_GetBasePath().."../resources/images/grass.png" ) - snakeTexture = RL_LoadTexture( RL_GetBasePath().."../resources/images/snake.png" ) - appleTexture = RL_LoadTexture( RL_GetBasePath().."../resources/images/apple.png" ) + framebuffer = RL.LoadRenderTexture( RESOLUTION ) + grassTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/grass.png" ) + snakeTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/snake.png" ) + appleTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/apple.png" ) setSnake() setApplePos() @@ -122,25 +122,25 @@ local function moveSnake() moveTimer = moveTimer + 1.0 end -function process( delta ) +function RL.process( delta ) if gameState == STATE.GAME then -- Run game. -- Controls. - if RL_IsKeyPressed( KEY_RIGHT ) and 0 <= snake.heading[1] then + if RL.IsKeyPressed( RL.KEY_RIGHT ) and 0 <= snake.heading[1] then snake.control = { 1, 0 } - elseif RL_IsKeyPressed( KEY_LEFT ) and snake.heading[1] <= 0 then + elseif RL.IsKeyPressed( RL.KEY_LEFT ) and snake.heading[1] <= 0 then snake.control = { -1, 0 } - elseif RL_IsKeyPressed( KEY_DOWN ) and 0 <= snake.heading[2] then + elseif RL.IsKeyPressed( RL.KEY_DOWN ) and 0 <= snake.heading[2] then snake.control = { 0, 1 } - elseif RL_IsKeyPressed( KEY_UP ) and snake.heading[2] <= 0 then + elseif RL.IsKeyPressed( RL.KEY_UP ) and snake.heading[2] <= 0 then snake.control = { 0, -1 } end - + moveTimer = moveTimer - gameSpeed * delta - + if moveTimer <= 0.0 then moveSnake() end - elseif gameState == STATE.OVER and RL_IsKeyPressed( KEY_ENTER ) then -- Reset game. + elseif gameState == STATE.OVER and RL.IsKeyPressed( RL.KEY_ENTER ) then -- Reset game. setSnake() setApplePos() gameState = STATE.GAME @@ -152,7 +152,7 @@ end local function drawGrass() for y = 0, LEVEL_SIZE - 1 do for x = 0, LEVEL_SIZE - 1 do - RL_DrawTexture( grassTexture, { x * TILE_SIZE, y * TILE_SIZE }, WHITE ) + RL.DrawTexture( grassTexture, { x * TILE_SIZE, y * TILE_SIZE }, RL.WHITE ) end end end @@ -168,14 +168,14 @@ end local function drawSnake() for i, seg in ipairs( snake.segments ) do - local angle = math.deg( RL_Vector2Angle( { 0, 0 }, seg.heading ) ) + local angle = math.deg( RL.Vector2Angle( { 0, 0 }, seg.heading ) ) local source = { 16, 0, 8, 8 } if i == 1 then -- Tail segment. Yes tail is actually the 'first' segment. source[1] = 8 if 1 < #snake.segments then - angle = math.deg( RL_Vector2Angle( { 0, 0 }, snake.segments[ 2 ].heading ) ) + angle = math.deg( RL.Vector2Angle( { 0, 0 }, snake.segments[ 2 ].heading ) ) end elseif i < #snake.segments and not vector2IsEqual( seg.heading, snake.segments[ i+1 ].heading ) then -- Turned middle segments. source[1] = 0 @@ -191,34 +191,34 @@ local function drawSnake() end end -- Notice that we set the origin to center { 4, 4 } that acts as pivot point. We also have to adjust our dest position by 4. - RL_DrawTexturePro( snakeTexture, source, { seg.pos[1] * TILE_SIZE + 4, seg.pos[2] * TILE_SIZE + 4, 8, 8 }, { 4, 4 }, angle, WHITE ) + RL.DrawTexturePro( snakeTexture, source, { seg.pos[1] * TILE_SIZE + 4, seg.pos[2] * TILE_SIZE + 4, 8, 8 }, { 4, 4 }, angle, RL.WHITE ) end -- Let's draw the head last to keep it on top. - local angle = math.deg( RL_Vector2Angle( { 0, 0 }, snake.heading ) ) - RL_DrawTexturePro( snakeTexture, { 24, 0, 8, 8 }, { snake.headPos[1] * TILE_SIZE + 4, snake.headPos[2] * TILE_SIZE + 4, 8, 8 }, { 4, 4 }, angle, WHITE ) + local angle = math.deg( RL.Vector2Angle( { 0, 0 }, snake.heading ) ) + RL.DrawTexturePro( snakeTexture, { 24, 0, 8, 8 }, { snake.headPos[1] * TILE_SIZE + 4, snake.headPos[2] * TILE_SIZE + 4, 8, 8 }, { 4, 4 }, angle, RL.WHITE ) end local function drawApple() - RL_DrawTexture( appleTexture, { applePos[1] * TILE_SIZE, applePos[2] * TILE_SIZE }, WHITE ) + RL.DrawTexture( appleTexture, { applePos[1] * TILE_SIZE, applePos[2] * TILE_SIZE }, RL.WHITE ) end -function draw() +function RL.draw() -- Clear the window to black. - RL_ClearBackground( BLACK ) + RL.ClearBackground( RL.BLACK ) -- Draw to framebuffer. - RL_BeginTextureMode( framebuffer ) - RL_ClearBackground( BLACK ) + RL.BeginTextureMode( framebuffer ) + RL.ClearBackground( RL.BLACK ) drawGrass() drawSnake() drawApple() if gameState == STATE.OVER then - RL_DrawText( 0, "Press Enter to\nrestart", { 10, 10 }, 10, 2, WHITE ) + RL.DrawText( 0, "Press Enter to\nrestart", { 10, 10 }, 10, 2, RL.WHITE ) end - RL_EndTextureMode() + RL.EndTextureMode() -- Draw framebuffer to window. - RL_SetTextureSource( TEXTURE_SOURCE_RENDER_TEXTURE ) - RL_DrawTexturePro( framebuffer, { 0, 0, RESOLUTION[1], -RESOLUTION[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, WHITE ) - RL_SetTextureSource( TEXTURE_SOURCE_TEXTURE ) + RL.SetTextureSource( RL.TEXTURE_SOURCE_RENDER_TEXTURE ) + RL.DrawTexturePro( framebuffer, { 0, 0, RESOLUTION[1], -RESOLUTION[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, RL.WHITE ) + RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE ) end |