Light

Extends Clonable, IsNamed

A light source.

Constructors

Light:newLight(typ, position, color, brightness)

Creates new light source

Arguments

typ (string) “point” or “sun”

position (Vec3)

color (number[])

brightness (number)

Returns

(Light)

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Methods

Light:setSize(size)

The size mostly affects smooth lighting

Arguments

size (number)

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Light:getSize()

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Light:setAttenuation(attenuation)

The attenuation exponent should be 2.0 for realism, but higher values produce a more cozy, artistic result

Arguments

attenuation (number)

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Light:getAttenuation()

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Light:setGodrays()

deprecated

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Light:getGodrays()

deprecated

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Light:setBrightness(brightness)

Arguments

brightness (any)

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Light:getBrightness()

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Light:setColor(r, g, b)

Sets the color, should roughly be a unit vector

Arguments

r (number)

g (number)

b (number)

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Light:getColor()

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Light:setPosition(x, y, z)

Set the position for point sources

Arguments

x (number)

y (number)

z (number)

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Light:getPosition()

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Light:setDirection(x, y, z)

Set the direction for sun light sources

Arguments

x (number)

y (number)

z (number)

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Light:getDirection()

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Light:addShadow(shadow)

Assign a shadow to this light source, a shadow can be shared by light sources if close to each other

Arguments

shadow (Shadow)

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Light:addNewShadow(resolution)

Creates a new shadow with given resolution

Arguments

resolution (number)

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Light:getShadow()

Returns

(Shadow)

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Clonable:clone()

Slow and deep clone

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Clonable:instance()

Creates an fast instance

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IsNamed:setName(name)

A name has no influence other than being able to print more nicely

Arguments

name (string)

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IsNamed:getName()

Gets the name, or “unnamed”

Returns

(string)

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