Hey look there's a thing on the screen!

This commit is contained in:
John Shaver 2017-06-16 23:15:14 -07:00
parent 24991c8fa3
commit eefd9cb2c8
2 changed files with 59 additions and 26 deletions

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@ -9,7 +9,9 @@
"exposed-modules": [],
"dependencies": {
"elm-lang/core": "5.1.1 <= v < 6.0.0",
"elm-lang/html": "2.0.0 <= v < 3.0.0"
"elm-lang/html": "2.0.0 <= v < 3.0.0",
"elm-lang/svg": "2.0.0 <= v < 3.0.0",
"folkertdev/svg-path-dsl": "2.0.0 <= v < 3.0.0"
},
"elm-version": "0.18.0 <= v < 0.19.0"
}

View file

@ -1,50 +1,81 @@
import Html exposing (Html, Attribute, input, button, div, text)
import Html.Attributes exposing (..)
import Html.Events exposing (onClick, onInput)
import Html exposing (Html, h1, div, text)
import Time exposing (Time, second)
import Svg exposing (Svg, svg, g, path)
import Svg.Attributes exposing (stroke, fill, strokeLinejoin, strokeWidth, width, height, viewBox, d)
import Svg.Path exposing (pathToString, arcBy, subpath, closed, lineBy, startAt, antiClockwise, clockwise, largestArc)
mOVE_SPEED = 60 -- pixels per second
cHAR_RAD = 25 --half-width of character
wIDTH = "500"
hEIGHT = "900"
main : Program Never Model Msg
main =
Html.beginnerProgram { model = model, view = view, update = update }
Html.beginnerProgram
{ model = model
, view = view
, update = update
}
-- MODEL
type alias Model = { count : Int, content : String }
type alias Model =
{ time : Time}
model : Model
model =
{ count = 0, content = "" }
model = {
time = 0
}
-- UPDATE
type Msg = Increment | Decrement | Reset | ChangeContent String
type Msg = Tick Time
update : Msg -> Model -> Model
update msg model =
case msg of
Increment ->
{ model | count = model.count + 1 }
Decrement ->
{ model | count = model.count - 1 }
Reset ->
{ model | count = 0 }
ChangeContent newContent ->
{ model | content = newContent }
Tick newTime ->
{ model | time = newTime }
-- SUMSCRIPTIONS
-- VIEW
type alias Point = (Float, Float)
render : String -> String -> Model -> Html msg
render w h model =
svg [ width w, height h, viewBox "0 0 500, 900"] [pacman (250, 450) (degrees 90)]
pacman : Point -> Float -> Svg msg
pacman position openness =
let
opp = cHAR_RAD * sin (openness/2)
adj = cHAR_RAD * cos (openness/2)
in
g []
[ path
[ d <|
pathToString [(subpath (startAt position) closed
[lineBy (adj, opp)
,arcBy (cHAR_RAD, cHAR_RAD) 0 (largestArc, clockwise) (0, -(opp * 2))
,lineBy (-adj, opp)
]
)]
,fill "#ffff00"
]
[]
]
view : Model -> Html Msg
view model =
div []
[ button [ onClick Increment ] [ text "+" ]
, div [] [ text (toString model.count) ]
, button [ onClick Decrement ] [ text "-" ]
, button [ onClick Reset ] [ text "Reset" ]
, input [ placeholder "Text to reverse", onInput ChangeContent ] []
, div [] [ text (String.reverse model.content )]
[h1 [] [text "ElmMan!"]
,render wIDTH hEIGHT model
]