Differences

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--- math [2019/08/26 21:24] – [Normalization] korshun
+++ math [2019/08/26 21:26] (current) – [Length] korshun
@@ Line 203: / Line 203: @@
 ==== Length ====
-  * 2D: [[zdoom>VectorLength]] -- already provided by ZDoom.
+  * 2D: [[zdoom>VectorLength]] -- already built into ZDoom.
   * 3D: ''fixed VectorLength3D(fixed x, fixed y, fixed Z)''
-''VectorLength3D'' is implemented efficiently as ''VectorLength(VectorLength(x, y), z)''.
+These functions return the length of the input vector. ''VectorLength3D'' is implemented efficiently as ''VectorLength(VectorLength(x, y), z)''.
 ==== Dot product ====
@@ Line 213: / Line 213: @@
   * 3D: ''fixed dot3(fixed x1, fixed y1, fixed z1, fixed x2, fixed y2, fixed z2)''
-These functions return the [[wp>dot product]] of two vectors. They are shorthands for writing out ''FixedMul(x1, x2) + FixedMul(y1, y2) + ...''.
+These functions return the sum of components of a vector obtained by componentwise multiplication of the two input vectors, also known as the [[wp>dot product]]. They are shorthands for writing out ''FixedMul(x1, x2) + FixedMul(y1, y2) + ...''.
 ==== Normalization ====

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