69 lines
2.1 KiB
Lua
69 lines
2.1 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 RL.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.GetScreenSize()
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RL.SetWindowState( RL.FLAG_WINDOW_RESIZABLE )
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RL.SetWindowState( RL.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 RL.process( delta )
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-- Move.
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if RL.IsKeyDown( RL.KEY_RIGHT ) then
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cameraPos[1] = cameraPos[1] + cameraSpeed * delta
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elseif RL.IsKeyDown( RL.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( RL.KEY_DOWN ) then
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cameraPos[2] = cameraPos[2] + cameraSpeed * delta
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elseif RL.IsKeyDown( RL.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 -- Or RL.IsKeyDown( KEY_E )
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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 RL.draw()
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RL.ClearBackground( RL.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 }, RL.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 }, RL.WHITE )
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RL.EndMode2D()
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end
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