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no edit summary
----
----
=== Miscellaneous routines ===
[[Category:Physics_Engine]]
----
===== INFINITY =====
<!-- code start-->
<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
infinity = physics.misc.INFINITY()
</pre><!-- code end-->
<!-- table start -->
{| border=1 width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable sortable"
<!-- header row start -->
! Parameter !! Type !! Description
<!-- header row end -->
|-
| infinity
| '''out''' number
| Infinity
|}<!-- table end -->
<br/>
Returns a number representing infinity in the physics engine.
Introduced in platform.apiLevel = '2.0'
----
===== momentForBox =====
<!-- code start-->
<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
inertia = physics.misc.momentForBox(mass, width, height)
</pre><!-- code end-->
<!-- table start -->
{| border=1 width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable sortable"
<!-- header row start -->
! Parameter !! Type !! Description
<!-- header row end -->
|-
| mass
| '''in''' number
| The mass of the box
|-
| width
| '''in''' number
| The width of the box
|-
| height
| '''in''' number
| The height of the box
|-
| inertia
| '''out''' number
| The inertia of the box
|}<!-- table end -->
<br/>
This routine computes the moment of inertia for a solid box. This is a useful helper routine for computing the moment of inertia as an input to the [[#BodyCall|physics.Body(...) constructor]].
Introduced in platform.apiLevel = '2.0'
----
===== momentForCircle =====
<!-- code start-->
<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
inertia = physics.misc.momentForCircle(mass, innerRadius, outerRadius, offBody)
</pre><!-- code end-->
<!-- table start -->
{| border=1 width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable sortable"
<!-- header row start -->
! Parameter !! Type !! Description
<!-- header row end -->
|-
| mass
| '''in''' number
| The mass of the circle
|-
| innerRadius
| '''in''' number
| The inner radius of the circle
|-
| outerRadius
| '''in''' number
| The outer radius of the circle
|-
| offset
| '''in''' physics.Vect
| The offset of the circle from the center of gravity
|-
| inertia
| '''out''' number
| The inertia of the circle
|}<!-- table end -->
<br/>
This routine computes the moment of inertia for a [[#circle|circle]]. A solid circle has an inner radius of 0. This is a useful helper routine for computing the moment of inertia as an input to the [[#BodyCall|physics.Body(...) constructor]].
Introduced in platform.apiLevel = '2.0'
----
===== momentForPoly =====
<!-- code start-->
<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
inertia = physics.misc.momentForPoly(mass, vertices, offset)
</pre><!-- code end-->
<!-- table start -->
{| border=1 width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable sortable"
<!-- header row start -->
! Parameter !! Type !! Description
<!-- header row end -->
|-
| mass
| '''in''' number
| The mass of the polygon
|-
| vertices '''in''' <nowiki>{</nowiki>physics.Vect<nowiki>}</nowiki>
| A list of vertices defining the shape of the polygon
|-
| offset
| '''in''' physics.Vect
| The offset of the polygon from the center of gravity
|-
| inertia
| '''out''' number
| The inertia of the polygon
|}<!-- table end -->
<br/>
This routine computes the moment of inertia for a [[#polygon|polygon]]. This is a useful helper routine for computing the moment of inertia as an input to the [[#BodyCall|physics.Body(...) constructor]].
Introduced in platform.apiLevel = '2.0'
----
===== momentForSegment =====
<!-- code start-->
<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
inertia = physics.misc.momentForSegment(mass, endPointA, endPointB)
</pre><!-- code end-->
<!-- table start -->
{| border=1 width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable sortable"
<!-- header row start -->
! Parameter !! Type !! Description
<!-- header row end -->
|-
| mass
| '''in''' number
| The mass of the segment
|-
| endPointA
| '''in''' physics.Vect
| The point defining one end of the segment
|-
| endPointB
| '''in''' physics.Vect
| The point defining the other end of the segment
|-
| inertia
| '''out''' number
| The inertia of the segment
|}<!-- table end -->
<br/>
This routine computes the moment of inertia for a [[#segment|segment]]. The end points can be in either world or local coordinates. This is a useful helper routine for computing the moment of inertia as an input to the [[#BodyCall|physics.Body(...) constructor]].
Introduced in platform.apiLevel = '2.0'
