Difference between revisions of "BezierCurve"

(Draw a bezier curve)
Line 30: Line 30:
 
=== Draw a bezier curve ===
 
=== Draw a bezier curve ===
 
<source lang="lua">
 
<source lang="lua">
curve = love.math.newBezierCurve({25,25,75,50,125,25})
+
BezierCurve = love.math.newBezierCurve({25,25,75,50,125,25})
 
function love.draw()
 
function love.draw()
love.graphics.line(curve:render())
+
love.graphics.line(BezierCurve:render())
 
end
 
end
 
</source>
 
</source>

Revision as of 13:29, 21 November 2021

Available since LÖVE 0.9.0
This type is not supported in earlier versions.

A Bézier curve object that can evaluate and render Bézier curves of arbitrary degree. For more information on Bézier curves check this great article on Wikipedia.

Constructors

love.math.newBezierCurve Creates a new BezierCurve object. Added since 0.9.0

Functions

BezierCurve:evaluate Evaluate Bézier curve at parameter t. Added since 0.9.0
BezierCurve:getControlPoint Get coordinates of the i-th control point. Added since 0.9.0
BezierCurve:getControlPointCount Get the number of control points in the Bézier curve. Added since 0.9.0
BezierCurve:getDegree Get degree of the Bézier curve. Added since 0.9.0
BezierCurve:getDerivative Get derivate of the Bézier curve. Added since 0.9.0
BezierCurve:getSegment Gets a BezierCurve that corresponds to the specified segment of this BezierCurve. Added since 0.10.0
BezierCurve:insertControlPoint Insert control point after the i-th control point. Added since 0.9.0
BezierCurve:removeControlPoint Removes the specified control point. Added since 0.10.0
BezierCurve:render Get a list of points on the curve. Added since 0.9.0
BezierCurve:renderSegment Get a list of points on a specific part of the curve. Added since 0.10.0
BezierCurve:rotate Rotate the Bézier curve. Added since 0.9.0
BezierCurve:scale Scale the Bézier curve. Added since 0.9.0
BezierCurve:setControlPoint Set coordinates of the i-th control point. Added since 0.9.0
BezierCurve:translate Move the Bézier curve. Added since 0.9.0
Object:release Immediately destroys the object's Lua reference. Added since 11.0
Object:type Gets the type of the object as a string.
Object:typeOf Checks whether an object is of a certain type.


Draw a bezier curve

BezierCurve = love.math.newBezierCurve({25,25,75,50,125,25})
function love.draw()
	love.graphics.line(BezierCurve:render())
end

Supertypes

See Also

Other Languages