27 lines
1.5 KiB
Standard ML
27 lines
1.5 KiB
Standard ML
structure LowerCaseA =
|
|
struct
|
|
fun lerp (startX, startY, drawWidth, drawHeight, windowWidth, windowHeight) : Real32.real vector =
|
|
let
|
|
val startX = Real32.fromInt startX
|
|
val startY = Real32.fromInt startY
|
|
val startY = windowHeight - (startY + drawHeight)
|
|
val endX = startX + drawWidth
|
|
val endY = startY + drawHeight
|
|
val windowHeight = windowHeight / 2.0
|
|
val windowWidth = windowWidth / 2.0
|
|
in
|
|
#[ (((startX * (1.0 - 0.47499999404)) + (endX * 0.47499999404)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.700000047684)) + (endY * 0.700000047684)) / windowHeight) - 1.0,
|
|
(((startX * (1.0 - 0.299999982119)) + (endX * 0.299999982119)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.675000011921)) + (endY * 0.675000011921)) / windowHeight) - 1.0,
|
|
(((startX * (1.0 - 0.449999988079)) + (endX * 0.449999988079)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.550000011921)) + (endY * 0.550000011921)) / windowHeight) - 1.0,
|
|
(((startX * (1.0 - 0.625)) + (endX * 0.625)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.275000035763)) + (endY * 0.275000035763)) / windowHeight) - 1.0,
|
|
(((startX * (1.0 - 0.799999952316)) + (endX * 0.799999952316)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.400000035763)) + (endY * 0.400000035763)) / windowHeight) - 1.0,
|
|
(((startX * (1.0 - 0.524999976158)) + (endX * 0.524999976158)) / windowWidth) - 1.0,
|
|
(((startY * (1.0 - 0.524999976158)) + (endY * 0.524999976158)) / windowHeight) - 1.0
|
|
]
|
|
end
|
|
end |