Rotator

Rotator

Description

s rotate around a specified axis (default z) with a specified speed

Functions

• new
• onCreate
• update

new

Description

Creating rotator

Definition

new(entityId node)

Arguments

entityId	node	node id

Return Values

entityId	instance	Instance of object

Code

function Rotator.new(node)
    local self = setmetatable( { } , Rotator _mt)

    self.axisTable = { 0 , 0 , 0 }
    self.rotationNode = node
    local rpm = tonumber(getUserAttribute(node, "rpm" ))
    if rpm ~ = nil then
        self.speed = (rpm * 2 * math.pi) / 60 / 1000 -- rpm to rad/ms
    else
            self.speed = Utils.getNoNil( tonumber(getUserAttribute(node, "speed" )), 0.0012 )
        end
        local axis = Utils.getNoNil(getUserAttribute(node, "axis" ), 3 )
        self.axisTable[axis] = 1

        return self
    end

onCreate

Description

Creating rotator

Definition

onCreate(entityId id)

Arguments

entityId	id	node id

Code

function Rotator:onCreate(id)
    g_currentMission:addUpdateable( Rotator.new(id))
end

update

Description

Update

Definition

update(float dt)

Arguments

float	dt	time since last call in ms

Code

function Rotator:update(dt)
    rotate( self.rotationNode, self.axisTable[ 1 ] * self.speed * dt, self.axisTable[ 2 ] * self.speed * dt, self.axisTable[ 3 ] * self.speed * dt)
end