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Draw breakout rects differently

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Richard Feldman 2022-04-08 10:56:56 -04:00
parent 0f6e1bac73
commit d40c7ed1d9
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1 changed files with 14 additions and 3 deletions
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17
examples/breakout/breakout.roc
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@ -7,6 +7,7 @@ program = { render }
render = \state -> render = \state ->
div0 = \numerator, denominator -> (numerator / denominator) |> Result.withDefault 0 div0 = \numerator, denominator -> (numerator / denominator) |> Result.withDefault 0
intDiv0 = \numerator, denominator -> (numerator // denominator) |> Result.withDefault 0
rgba = \r, g, b, a -> { r: div0 r 255, g: div0 g 255, b: div0 b 255, a } rgba = \r, g, b, a -> { r: div0 r 255, g: div0 g 255, b: div0 b 255, a }
@ -18,12 +19,22 @@ render = \state ->
blocks = List.map (List.range 0 (numRows * numCols)) \index -> blocks = List.map (List.range 0 (numRows * numCols)) \index ->
{ col: index, row: (index // 5 |> Result.withDefault 0) } { col: index, row: (index // 5 |> Result.withDefault 0) }
blockWidth = 100 blockWidth = 50
blockHeight = 50 blockHeight = 20
List.map blocks \{ row, col } -> List.map blocks \{ row, col } ->
left = Num.toF32 (col * blockWidth) left = Num.toF32 (col * blockWidth)
top = Num.toF32 (row * blockHeight) top = Num.toF32 (row * blockHeight)
color = rgba 10 20 30 1 # TODO different colors for each block! red =
250 // col
|> Result.withDefault 0
|> Num.toF32
green =
250 // row
|> Result.withDefault 0
|> Num.toF32
color = rgba red 120 green 1
Rect { left, top, width: blockWidth, height: blockHeight, color } Rect { left, top, width: blockWidth, height: blockHeight, color }