Transform

Available since LÖVE 0.11.0

This type is not supported in earlier versions.

Object containing a coordinate system transformation.

The love.graphics module has several functions and function variants which accept Transform objects.

Constructors

love.math.newTransform

Creates a new Transform object.

11.0

Functions

Object:release	Immediately destroys the object's Lua reference.	11.0
Object:type	Gets the type of the object as a string.
Object:typeOf	Checks whether an object is of a certain type.
Transform:apply	Applies the given other Transform object to this one.	11.0
Transform:clone	Creates a new copy of this Transform.	11.0
Transform:getMatrix	Gets the internal transformation matrix stored by this Transform.	11.0
Transform:inverse	Creates a new Transform containing the inverse of this Transform.	11.0
Transform:inverseTransformPoint	Applies the reverse of the Transform object's transformation to the given 2D position.	11.0
Transform:isAffine2DTransform	Checks whether the Transform is an affine transformation.	11.0
Transform:reset	Resets the Transform to an identity state.	11.0
Transform:rotate	Applies a rotation to the Transform's coordinate system.	11.0
Transform:scale	Scales the Transform's coordinate system.	11.0
Transform:setMatrix	Directly sets the Transform's internal transformation matrix.	11.0
Transform:setTransformation	Resets the Transform to the specified transformation parameters.	11.0
Transform:shear	Applies a shear factor (skew) to the Transform's coordinate system.	11.0
Transform:transformPoint	Applies the Transform object's transformation to the given 2D position.	11.0
Transform:translate	Applies a translation to the Transform's coordinate system.	11.0

Supertypes

• Object

Notes

Transform objects have a custom * (multiplication) operator. result = tA * tB is equivalent to result = tA:clone():apply(tB). It maps to the matrix multiplication operation that Transform:apply performs.

The * operator creates a new Transform object, so it is not recommended to use it heavily in per-frame code.

See Also

• love.math
• love.graphics.applyTransform
• love.graphics.replaceTransform
• love.graphics.draw
• love.graphics.print
• SpriteBatch:add
• Text:add
• Shader:send

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