package wall

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in-package search v0.2.0

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Definition of affine transformation matrices.

type t = Wall_types.transform = {

}

val identity : t

val average_scale : t -> float

val scale_x : t -> float

val scale_y : t -> float

val translation : x:float -> y:float -> t

val rotation : a:float -> t

val scale : sx:float -> sy:float -> t

val skew : sx:float -> sy:float -> t

val compose : t -> t -> t

val inverse : t -> t

val translate : x:float -> y:float -> t -> t

val rotate : float -> t -> t

val rescale : sx:float -> sy:float -> t -> t

val px : t -> float -> float -> float

px t x y is the x coordinate of the point (x,y) after applying the affine transformation t.

val py : t -> float -> float -> float

py t x y is the y coordinate of the point (x,y) after applying the affine transformation t.

val linear_px : t -> float -> float -> float

linear_px t x y is the x coordinate of the point (x,y) after applying the linear transformation described by t. Translation is ignored!

val linear_py : t -> float -> float -> float

linear_py t x y is the y coordinate of the point (x,y) after applying the linear transformation described by t. Translation is ignored!

val point : t -> Gg.p2 -> Gg.p2

point t p is the point p after transformation by t