Difference between revisions of "BezierCurve:getControlPoint"
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{{param|number|x|Position of the control point along the x axis.}} | {{param|number|x|Position of the control point along the x axis.}} | ||
{{param|number|y|Position of the control point along the y axis.}} | {{param|number|y|Position of the control point along the y axis.}} | ||
+ | == Example == | ||
+ | |||
+ | === Get position of all control points === | ||
+ | <source lang="lua"> | ||
+ | local count = curve:getControlPointCount() | ||
+ | local vertices = {} | ||
+ | |||
+ | for i = 1, count do | ||
+ | local x, y = curve:getControlPoint(i) | ||
+ | table.insert(vertices, x) | ||
+ | table.insert(vertices, y) | ||
+ | end | ||
+ | </source> | ||
+ | |||
== See Also == | == See Also == | ||
* [[parent::BezierCurve]] | * [[parent::BezierCurve]] |
Latest revision as of 08:50, 23 November 2021
Available since LÖVE 0.9.0 |
This function is not supported in earlier versions. |
Get coordinates of the i-th control point. Indices start with 1.
Contents
Function
Synopsis
x, y = BezierCurve:getControlPoint(i)
Arguments
number i
- Index of the control point.
Returns
number x
- Position of the control point along the x axis.
number y
- Position of the control point along the y axis.
Example
Get position of all control points
local count = curve:getControlPointCount()
local vertices = {}
for i = 1, count do
local x, y = curve:getControlPoint(i)
table.insert(vertices, x)
table.insert(vertices, y)
end
See Also
- BezierCurve
- BezierCurve:getDegree
- BezierCurve:setControlPoint
- BezierCurve:insertControlPoint
- love.math
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