69 lines
2.0 KiB
Lua
69 lines
2.0 KiB
Lua
local tileTexture = -1
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local camera = -1
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local cameraPos = { 0, 0 }
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local cameraRot = 0.0
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local cameraZoom = 1.0
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local cameraSpeed = 100.0
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local cameraRotSpeed = 100.0
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local cameraZoomSpeed = 10.0
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function init()
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local monitor = 0
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local mPos = RL_GetMonitorPosition( monitor )
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local mSize = RL_GetMonitorSize( monitor )
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local winSize = RL_GetWindowSize()
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RL_SetWindowState( FLAG_WINDOW_RESIZABLE )
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RL_SetWindowState( FLAG_VSYNC_HINT )
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RL_SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } )
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RL_SetWindowTitle( "Camera 2D" )
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tileTexture = RL_LoadTexture( RL_GetBasePath().."../resources/images/tiles.png" )
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camera = RL_CreateCamera2D()
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RL_SetCamera2DOffset( camera, { winSize[1] / 2, winSize[2] / 2 } )
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end
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function process( delta )
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-- Move.
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if RL_IsKeyDown( KEY_RIGHT ) then
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cameraPos[1] = cameraPos[1] + cameraSpeed * delta
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elseif RL_IsKeyDown( KEY_LEFT ) then
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cameraPos[1] = cameraPos[1] - cameraSpeed * delta
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end
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if RL_IsKeyDown( KEY_DOWN ) then
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cameraPos[2] = cameraPos[2] + cameraSpeed * delta
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elseif RL_IsKeyDown( KEY_UP ) then
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cameraPos[2] = cameraPos[2] - cameraSpeed * delta
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end
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-- Rotate.
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if RL_IsKeyDown( string.byte( "E" ) ) then
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cameraRot = cameraRot + cameraRotSpeed * delta
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elseif RL_IsKeyDown( string.byte( "Q" ) ) then
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cameraRot = cameraRot - cameraRotSpeed * delta
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end
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-- Zoom.
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if RL_IsKeyDown( string.byte( "R" ) ) then
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cameraZoom = cameraZoom + cameraZoomSpeed * delta
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elseif RL_IsKeyDown( string.byte( "F" ) ) then
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cameraZoom = cameraZoom - cameraZoomSpeed * delta
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end
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end
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function draw()
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RL_ClearBackground( RAYWHITE )
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RL_SetCamera2DTarget( camera, cameraPos )
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RL_SetCamera2DRotation( camera, cameraRot )
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RL_SetCamera2DZoom( camera, cameraZoom )
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RL_BeginMode2D( camera )
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-- Draw wall.
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for y = 0, 4 do
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for x = 0, 6 do
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RL_DrawTextureRec( tileTexture, { 0, 0, 32, 32 }, { x * 32, y * 32 }, WHITE )
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end
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end
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-- Draw hero.
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RL_DrawTextureRec( tileTexture, { 3 * 32, 0, 32, 32 }, { cameraPos[1] - 16, cameraPos[2] - 16 }, WHITE )
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RL_EndMode2D()
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end
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