GetClosestPoint - Revision history

IManGaaX at 17:38, 7 December 2025

2025-12-07T17:38:11Z

← Older revision		Revision as of 17:38, 7 December 2025
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	local closestDist = math.huge		local closestDist = math.huge
	local closestPoint = nil		local closestPoint = nil

	for _, p in ipairs(points) do		for _, p in ipairs(points) do
	local dx, dy = p[1] - ex, p[2] - ey		local dx, dy = p[1] - ex, p[2] - ey
	local dist = dxdx + dydy		local dist = dxdx + dydy

	if dist < closestDist then		if dist < closestDist then
	closestDist = dist		closestDist = dist
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	end		end
	end		end

	return unpack(closestPoint)		return unpack(closestPoint)
	end		end
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	}		}

	local ~~x, y, z~~ = getClosestPoint(localPlayer, lanePoints) --// Code (1), See the images above		local xyz = {getClosestPoint(localPlayer, lanePoints)} --// Code (1), See the images above
	outputChatBox("Closest Lane Point: "..x..", ~~"..y..~~", "~~..z~~)		outputChatBox("Closest Lane Point: "..table.concat(xyz, ", "))
	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

IManGaaX at 17:27, 14 October 2025

2025-10-14T17:27:09Z

← Older revision	Revision as of 17:27, 14 October 2025
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		{{Note\|The example in the image and below uses code No. 1.}}

IManGaaX at 19:41, 13 October 2025

2025-10-13T19:41:18Z

← Older revision		Revision as of 19:41, 13 October 2025
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	}		}

	local x, y, z = getClosestPoint(localPlayer, lanePoints) --// Code (1)		local x, y, z = getClosestPoint(localPlayer, lanePoints) --// Code (1), See the images above
	outputChatBox("Closest Lane Point: "..x..", "..y..", "..z)		outputChatBox("Closest Lane Point: "..x..", "..y..", "..z)
	</syntaxhighlight>		</syntaxhighlight>

IManGaaX at 19:39, 13 October 2025

2025-10-13T19:39:31Z

@@ Line 3: / Line 3: @@
 This function finds the closest point from a given element to a list of points in 2D space.
-[[Image:GetClosestPoint2.png|thumb|373px|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]
+[[Image:GetClosestPoint2.png|thumb|256px|right|[[Image:GetClosestPoint.png|256px|right]]The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]
 ==Syntax==
@@ Line 64: / Line 71: @@
 '''Author:''' [[User:IManGaaX|Youssef Maged (iManGaaX)]]
 ==Example==

IManGaaX at 19:28, 13 October 2025

2025-10-13T19:28:19Z

@@ Line 2: / Line 2: @@
 <lowercasetitle></lowercasetitle>
 This function finds the closest point from a given element to a list of points in 2D space.
 ==Syntax==
@@ Line 32: / Line 34: @@
 </syntaxhighlight>
 </section>
 ==Code (2)==
@@ Line 65: / Line 65: @@
 '''Author:''' [[User:IManGaaX|Youssef Maged (iManGaaX)]]
-[[Image:GetClosestPoint.png|thumb|441px|This image shows an example of what the examble below did and what the function actually does.]]
+[[Image:GetClosestPoint.png|thumb|512px|This image shows an example of what the examble below did and what the function actually does.]]
 ==Example==

IManGaaX at 19:19, 13 October 2025

2025-10-13T19:19:22Z

← Older revision		Revision as of 19:19, 13 October 2025
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	===Returns===		===Returns===
	* Returns three ''float''s indicating the position of the element, ''x'', ''y'' and ''z'' respectively of the closest point.		* Returns three ''float''s indicating the position of the element, ''x'', ''y'' and ''z'' respectively of the closest point.

	~~[[Image:GetClosestPoint2.png\|thumb\|441px\|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]~~

	==Code (1)==		==Code (1)==
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	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

			[[Image:GetClosestPoint2.png\|thumb\|256px\|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]

	==Code (2)==		==Code (2)==

IManGaaX at 19:18, 13 October 2025

2025-10-13T19:18:58Z

← Older revision		Revision as of 19:18, 13 October 2025
Line 2:		Line 2:
	<lowercasetitle></lowercasetitle>		<lowercasetitle></lowercasetitle>
	This function finds the closest point from a given element to a list of points in 2D space.		This function finds the closest point from a given element to a list of points in 2D space.

	~~[[Image:GetClosestPoint.png\|thumb\|441px\|This image shows an example of what the examble below did and what the function actually does.]]~~

	==Syntax==		==Syntax==

IManGaaX at 19:18, 13 October 2025

2025-10-13T19:18:39Z

← Older revision		Revision as of 19:18, 13 October 2025
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	===Returns===		===Returns===
	* Returns three ''float''s indicating the position of the element, ''x'', ''y'' and ''z'' respectively of the closest point.		* Returns three ''float''s indicating the position of the element, ''x'', ''y'' and ''z'' respectively of the closest point.

			[[Image:GetClosestPoint2.png\|thumb\|441px\|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]

	==Code (1)==		==Code (1)==
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	</section>		</section>

	[[~~Image~~:~~GetClosestPoint2.png\|thumb\|441px~~\|~~The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.~~]]		'''Author:''' [[User:IManGaaX\|Youssef Maged (iManGaaX)]]

	~~'''Author:'''~~ [[~~User~~:~~IManGaaX~~\|~~Youssef Maged (iManGaaX)~~]]		[[Image:GetClosestPoint.png\|thumb\|441px\|This image shows an example of what the examble below did and what the function actually does.]]

	==Example==		==Example==

IManGaaX at 19:17, 13 October 2025

2025-10-13T19:17:53Z

← Older revision		Revision as of 19:17, 13 October 2025
Line 4:		Line 4:

	[[Image:GetClosestPoint.png\|thumb\|441px\|This image shows an example of what the examble below did and what the function actually does.]]		[[Image:GetClosestPoint.png\|thumb\|441px\|This image shows an example of what the examble below did and what the function actually does.]]
	~~[[Image:GetClosestPoint2.png\|thumb\|441px\|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]~~

	==Syntax==		==Syntax==
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	<section name="Shared" class="both" show="true">		<section name="Shared" class="both" show="true">
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	function getClosestPoint(element, ~~path~~)		function getClosestPoint(element, points)
	local ex, ey, ez = getElementPosition(element)		local ex, ey, ez = getElementPosition(element)
	local closestDist = math.huge		local closestDist = math.huge
	local closestPoint = nil		local closestPoint = nil

	for i = 1, #~~path~~ - 1 do		for i = 1, #points - 1 do
	local x1, y1, z1 = unpack(~~path~~[i])		local x1, y1, z1 = unpack(points[i])
	local x2, y2, z2 = unpack(~~path~~[i + 1])		local x2, y2, z2 = unpack(points[i + 1])

	local t = ((ex - x1) * (x2 - x1) + (ey - y1) * (y2 - y1)) / ((x2 - x1)^2 + (y2 - y1)^2)		local t = ((ex - x1) * (x2 - x1) + (ey - y1) * (y2 - y1)) / ((x2 - x1)^2 + (y2 - y1)^2)
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	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

			[[Image:GetClosestPoint2.png\|thumb\|441px\|The difference between code No. 1 and code No. 2. The example in the image and below uses code No. 1.]]

	'''Author:''' [[User:IManGaaX\|Youssef Maged (iManGaaX)]]		'''Author:''' [[User:IManGaaX\|Youssef Maged (iManGaaX)]]

IManGaaX at 19:13, 13 October 2025

2025-10-13T19:13:41Z

@@ Line 4: / Line 4: @@
 [[Image:GetClosestPoint.png|thumb|441px|This image shows an example of what the examble below did and what the function actually does.]]
 ==Syntax==
@@ Line 15: / Line 16: @@
 * Returns three ''float''s indicating the position of the element, ''x'', ''y'' and ''z'' respectively of the closest point.
-==Code==
+==Code (1)==
 <section name="Shared" class="both" show="true">
 <syntaxhighlight lang="lua">
@@ Line 30: / Line 31: @@
          end
      end
      return unpack(closestPoint)
 end
@@ Line 46: / Line 75: @@
+}
-local x, y, z = getClosestPoint(localPlayer, lanePoints)
+local x, y, z = getClosestPoint(localPlayer, lanePoints) --// Code (1)
 outputChatBox("Closest Lane Point: "..x..", "..y..", "..z)
 </syntaxhighlight>