blob: 7d23d114dd3a785da88a7f770b2e4b48a78b1238 (
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tree)
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><pre
><span class="hs-pragma"
>{-# LANGUAGE NamedFieldPuns #-}</span
><span
>
</span
><a name="line-2"
></a
><span class="hs-pragma"
>{-# LANGUAGE RecordWildCards #-}</span
><span
>
</span
><a name="line-3"
></a
><span
>
</span
><a name="line-4"
></a
><span
>
</span
><a name="line-5"
></a
><span class="hs-keyword"
>module</span
><span
> </span
><span class="hs-identifier"
>Records</span
><span
> </span
><span class="hs-keyword"
>where</span
><span
>
</span
><a name="line-6"
></a
><span
>
</span
><a name="line-7"
></a
><span
>
</span
><a name="line-8"
></a
><span class="hs-keyword"
>data</span
><span
> </span
><a name="Point"
><a href="Records.html#Point"
><span class="hs-identifier"
>Point</span
></a
></a
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a name="Point"
><a href="Records.html#Point"
><span class="hs-identifier"
>Point</span
></a
></a
><span
>
</span
><a name="line-9"
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><a name="x"
><a href="Records.html#x"
><span class="hs-identifier"
>x</span
></a
></a
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><span class="hs-glyph"
>!</span
><span class="hs-identifier hs-type"
>Int</span
><span
>
</span
><a name="line-10"
></a
><span
> </span
><span class="hs-special"
>,</span
><span
> </span
><a name="y"
><a href="Records.html#y"
><span class="hs-identifier"
>y</span
></a
></a
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><span class="hs-glyph"
>!</span
><span class="hs-identifier hs-type"
>Int</span
><span
>
</span
><a name="line-11"
></a
><span
> </span
><span class="hs-special"
>}</span
><span
>
</span
><a name="line-12"
></a
><span
>
</span
><a name="line-13"
></a
><span
>
</span
><a name="line-14"
></a
><span class="hs-identifier"
>point</span
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
>
</span
><a name="line-15"
></a
><a name="point"
><a href="Records.html#point"
><span class="hs-identifier"
>point</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>x</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>y</span
></a
></a
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-var"
>Point</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><span class="hs-identifier"
>x</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span class="hs-special"
>,</span
><span
> </span
><span class="hs-identifier"
>y</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
> </span
><span class="hs-special"
>}</span
><span
>
</span
><a name="line-16"
></a
><span
>
</span
><a name="line-17"
></a
><span
>
</span
><a name="line-18"
></a
><span class="hs-identifier"
>lengthSqr</span
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
>
</span
><a name="line-19"
></a
><a name="lengthSqr"
><a href="Records.html#lengthSqr"
><span class="hs-identifier"
>lengthSqr</span
></a
></a
><span
> </span
><span class="hs-special"
>(</span
><a href="Records.html#Point"
><span class="hs-identifier hs-var"
>Point</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><span class="hs-identifier"
>x</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>x</span
></a
></a
><span class="hs-special"
>,</span
><span
> </span
><span class="hs-identifier"
>y</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>y</span
></a
></a
><span
> </span
><span class="hs-special"
>}</span
><span class="hs-special"
>)</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span
> </span
><span class="hs-operator hs-var"
>*</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
> </span
><span class="hs-operator hs-var"
>*</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
>
</span
><a name="line-20"
></a
><span
>
</span
><a name="line-21"
></a
><span class="hs-identifier"
>lengthSqr'</span
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
>
</span
><a name="line-22"
></a
><a name="lengthSqr%27"
><a href="Records.html#lengthSqr%27"
><span class="hs-identifier"
>lengthSqr'</span
></a
></a
><span
> </span
><span class="hs-special"
>(</span
><a href="Records.html#Point"
><span class="hs-identifier hs-var"
>Point</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>x</span
></a
></a
><span class="hs-special"
>,</span
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>y</span
></a
></a
><span
> </span
><span class="hs-special"
>}</span
><span class="hs-special"
>)</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
> </span
><span class="hs-operator hs-var"
>*</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span
> </span
><span class="hs-operator hs-var"
>*</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span
>
</span
><a name="line-23"
></a
><span
>
</span
><a name="line-24"
></a
><span
>
</span
><a name="line-25"
></a
><span class="hs-identifier"
>translateX</span
><span class="hs-special"
>,</span
><span
> </span
><span class="hs-identifier"
>translateY</span
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
>
</span
><a name="line-26"
></a
><a name="translateX"
><a href="Records.html#translateX"
><span class="hs-identifier"
>translateX</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>p</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>d</span
></a
></a
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><span class="hs-identifier"
>x</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><span class="hs-identifier"
>x</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>d</span
></a
><span
> </span
><span class="hs-special"
>}</span
><span
>
</span
><a name="line-27"
></a
><a name="translateY"
><a href="Records.html#translateY"
><span class="hs-identifier"
>translateY</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>p</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>d</span
></a
></a
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><span class="hs-identifier"
>y</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><span class="hs-identifier"
>y</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>d</span
></a
><span
> </span
><span class="hs-special"
>}</span
><span
>
</span
><a name="line-28"
></a
><span
>
</span
><a name="line-29"
></a
><span class="hs-identifier"
>translate</span
><span
> </span
><span class="hs-glyph"
>::</span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><span class="hs-identifier hs-type"
>Int</span
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
> </span
><span class="hs-glyph"
>-></span
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-type"
>Point</span
></a
><span
>
</span
><a name="line-30"
></a
><a name="translate"
><a href="Records.html#translate"
><span class="hs-identifier"
>translate</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>x</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>y</span
></a
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>p</span
></a
></a
><span
> </span
><span class="hs-glyph"
>=</span
><span
>
</span
><a name="line-31"
></a
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>aux</span
></a
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
>
</span
><a name="line-32"
></a
><span
> </span
><span class="hs-keyword"
>where</span
><span
>
</span
><a name="line-33"
></a
><span
> </span
><span class="hs-special"
>(</span
><a name=""
><a href="#"
><span class="hs-identifier"
>dx</span
></a
></a
><span class="hs-special"
>,</span
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>dy</span
></a
></a
><span class="hs-special"
>)</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><span class="hs-special"
>(</span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span class="hs-special"
>,</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span class="hs-special"
>)</span
><span
>
</span
><a name="line-34"
></a
><span
> </span
><a name=""
><a href="#"
><span class="hs-identifier"
>aux</span
></a
></a
><span
> </span
><a href="Records.html#Point"
><span class="hs-identifier hs-var"
>Point</span
></a
><span class="hs-special"
>{</span
><span class="hs-glyph"
>..</span
><span class="hs-special"
>}</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>p</span
></a
><span
> </span
><span class="hs-special"
>{</span
><span
> </span
><span class="hs-identifier"
>x</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>x</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>dx</span
></a
><span class="hs-special"
>,</span
><span
> </span
><span class="hs-identifier"
>y</span
><span
> </span
><span class="hs-glyph"
>=</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>y</span
></a
><span
> </span
><span class="hs-operator hs-var"
>+</span
><span
> </span
><a href="#"
><span class="hs-identifier hs-var"
>dy</span
></a
><span
> </span
><span class="hs-special"
>}</span
><span
>
</span
><a name="line-35"
></a
></pre
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>
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