Vector (API) - Revision history

Cranium: Changing float to number

2013-07-18T13:26:32Z

Changing float to number

Smiley43210: Changed to use type template, italicized variables

2013-05-03T14:11:50Z

Changed to use type template, italicized variables

Smiley43210: Changed to use type template

2013-05-03T14:09:26Z

Changed to use type template

MafiaMoe at 15:47, 23 February 2013

2013-02-23T15:47:01Z

MafiaMoe at 15:42, 23 February 2013

2013-02-23T15:42:05Z

MafiaMoe at 15:22, 23 February 2013

2013-02-23T15:22:56Z

MafiaMoe at 15:11, 23 February 2013

2013-02-23T15:11:35Z

MafiaMoe at 15:05, 23 February 2013

2013-02-23T15:05:32Z

MafiaMoe at 15:04, 23 February 2013

2013-02-23T15:04:58Z

MafiaMoe at 14:53, 23 February 2013

2013-02-23T14:53:23Z

@@ Line 11: / Line 11: @@
 <tr><td style="width: 350px; background: #E0E0E0; padding: .4em; font-weight:bold;">Method Name</td><td style="background: #E0E0E0; padding: .4em; font-weight:bold;">Description</td></tr>
-<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vector.new]]({{type|float}} x, {{type|float}} y, {{type|float}} z)</td>
+<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vector.new]]({{type|number}} x, {{type|number}} y, {{type|number}} z)</td>
 <td style="border-top: solid #C9C9C9 1px; padding: .4em;">Creates a vector.</td></tr>
@@ Line 20: / Line 20: @@
 <td style="border-top: solid #C9C9C9 1px; padding: .4em;">Subtracts ''vectorB'' from ''vectorA'' and returns the resulting vector. Can also be used by writing vectorA - vectorB.</td></tr>
-<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:mul]]({{type|float}} n)</td>
+<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:mul]]({{type|number}} n)</td>
 <td style="border-top: solid #C9C9C9 1px; padding: .4em;">Scalar multiplies ''vectorA'' with ''n'' and returns the resulting vector. Can also be used by writing vectorA * n.</td></tr>

@@ Line 15: / Line 15: @@
 <tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:add]]([[Vector (API)|vector]] vectorB)</td>
-<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Adds vectorB to vectorA and returns the resulting vector. Can also be used by writing vectorA + vectorB.</td></tr>
+<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Adds ''vectorB'' to ''vectorA'' and returns the resulting vector. Can also be used by writing vectorA + vectorB.</td></tr>
 <tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:sub]]([[Vector (API)|vector]] vectorB)</td>
-<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Subtracts vectorB from vectorA and returns the resulting vector. Can also be used by writing vectorA - vectorB.</td></tr>
+<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Subtracts ''vectorB'' from ''vectorA'' and returns the resulting vector. Can also be used by writing vectorA - vectorB.</td></tr>
-<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:mul]]([[float (type)|float]] n)</td>
+<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:mul]]({{type|float}} n)</td>
-<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Scalar multiplies vectorA with n and returns the resulting vector. Can also be used by writing vectorA * n.</td></tr>
+<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Scalar multiplies ''vectorA'' with ''n'' and returns the resulting vector. Can also be used by writing vectorA * n.</td></tr>
 <tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:dot]]([[Vector (API)|vector]] vectorB)</td>
-<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Returns the dot product of vectorA and vectorB.</td></tr>
+<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Returns the dot product of ''vectorA'' and ''vectorB''.</td></tr>
 <tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:cross]]([[Vector (API)|vector]] vectorB)</td>
-<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Returns the vector which resulted in the cross product of vectorA and vectorB.</td></tr>
+<td style="border-top: solid #C9C9C9 1px; padding: .4em;">Returns the vector which resulted in the cross product of ''vectorA'' and ''vectorB''.</td></tr>
 <tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vectorA:length]]()</td>

@@ Line 11: / Line 11: @@
 <tr><td style="width: 350px; background: #E0E0E0; padding: .4em; font-weight:bold;">Method Name</td><td style="background: #E0E0E0; padding: .4em; font-weight:bold;">Description</td></tr>
-<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vector.new]]([[float (type)|float]] x, [[float (type)|float]] y, [[float (type)|float]] z)</td>
+<tr style="background-color: #FFFFFF;"><td style="border-top: solid #C9C9C9 1px; padding: .4em;">[[vector.new]]({{type|float}} x, {{type|float}} y, {{type|float}} z)</td>
 <td style="border-top: solid #C9C9C9 1px; padding: .4em;">Creates a vector.</td></tr>

@@ Line 55: / Line 55: @@
 Then, getting the displacements between a turtle position and a desired location becomes:
   local b = vector.new(20, 85, 40)
-  local dist = a - b
+  local c = a - b
+ --displacement in the x direction:  c.x
 By making use of vectors, code can be cleaner and easier to follow.

@@ Line 44: / Line 44: @@
 [[Category:APIs]]
-Among other things, vectors can be useful to aid in creating navigation algorithms using GPS coordinates.  To transform GPS quickly into vector format, simply use:
   local a = vector.new(gps.locate())
-Vectors act much like tables, storing the coordinate data with labels "x", "y" and "z".  By using vectors in a program, code can be cleaner and easier to follow by making use of this API.
+Then, getting the displacements between a turtle position and a desired location becomes:

← Older revision		Revision as of 15:22, 23 February 2013
Line 47:		Line 47:
	local a = vector.new(gps.locate())		local a = vector.new(gps.locate())

−	Vectors act much like tables, storing the coordinate data with labels "x", "y" and "z". ~~However, by~~ using vectors in a program code can be cleaner and easier to follow by making use of ~~the~~ API ~~functions~~.	+	Vectors act much like tables, storing the coordinate data with labels "x", "y" and "z". By using vectors in a program, code can be cleaner and easier to follow by making use of this API.

@@ Line 1: / Line 1: @@
 The vector API provides methods to create and manipulate vectors.
 An introduction to vectors can be found on [[Wikipedia:Euclidean_vector|Wikipedia]].
@@ Line 49: / Line 43: @@
 [[Category:APIs]]