Category:Physics Engine/Bodies - Revision history

Adriweb at 08:44, 18 July 2012

2012-07-18T08:44:34Z

Adriweb at 08:43, 18 July 2012

2012-07-18T08:43:49Z

Adriweb at 08:42, 18 July 2012

2012-07-18T08:42:44Z

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Adriweb at 11:02, 25 June 2012

2012-06-25T11:02:36Z

Adriweb: Created page with "Essai Category:Physics_Engine"

2012-06-25T10:43:02Z

Created page with "Essai Category:Physics_Engine"

New page

Essai

[[Category:Physics_Engine]]

@@ Line 937: / Line 937: @@
 ----
-===== setVelocityFunc =====
+===== setVelocityFunc  =====
-<!-- code start-->
+{| border="1" width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable"
-<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
+|-
-self = physics.Body:setVelocityFunc(func)
+! Parameter
-</pre><!-- code end-->
+! Type
 ! Description <!-- header row end -->
 |-
-|  self
+| self
-|  '''in''' physics.Body
+| '''in''' physics.Body
-|  The input Body
+| The input Body
 |-
-|  func
+| func
-|  '''in''' function(body, grav, damping, dt)
+| '''in''' function(body, grav, damping, dt)
-|  A callback function that updates the velocity of the Body on each time step
+| A callback function that updates the velocity of the Body on each time step
 |-
-|  self
+| self
-|  '''out''' physics.Body
+| '''out''' physics.Body
-|  The input Body is returned as the output
+| The input Body is returned as the output
-|}<!-- table end -->
+|}
-<br/>
+Returns the Body.
 {| width="100%" style="padding: 20px; margin-left:20px; border:solid; border-color:#aaa; border-width:0px; text-align:left; background-color:#ddffdd;"
 |-
-|  <span style="color:#00AA00">'''TIP''':</span> '''Example'''<hr>
-|-
+<span style="color:#00AA00">'''TIP''':</span> '''Example'''
-<div style="white-space: pre">
+<br>function sampleVelocityFunc(body, gravity, damping, dt)<br>local pos = body:pos()<br>local sqdist = pos:lengthsq()<br>local g = pos:mult(-GravityStrength / (sqdist * math.sqrt(sqdist)))<br>body:updateVelocity(g, damping, dt)<br>end
-<!-- code start-->
+----
-body:setVelocityFunc(sampleVelocityFunc)
+|}
-</div>
+Introduced in platform.apiLevel = '2.0'
-Introduced in platform.apiLevel = '2.0'
+----
 ===== setVLimit =====

@@ Line 829: / Line 829: @@
 ----
-===== setPositionFunc =====
+===== setPositionFunc  =====
-<!-- code start-->
+{| border="1" width="100%" cellspacing="0" cellpadding="4" style="border-color:#eee" class="wikitable"
-<pre style="margin-left:20px; font-size:1.4em; background-color:#fdfdfd">
+|-
-self = physics.Body:setPositionFunc(func)
+! Parameter
-</pre><!-- code end-->
+! Type
 ! Description <!-- header row end -->
 |-
-|  self
+| self
-|  '''in''' physics.Body
+| '''in''' physics.Body
-|  The input Body
+| The input Body
 |-
-|  func
+| func
-|  '''in''' function(body, dt)
+| '''in''' function(body, dt)
-|  A callback function that updates the position of the Body on each time step
+| A callback function that updates the position of the Body on each time step
 |-
-|  self
+| self
-|  '''out''' physics.Body
+| '''out''' physics.Body
-|  The input Body is returned as the output
+| The input Body is returned as the output
-|}<!-- table end -->
+|}
 <!-- table end -->
-<br/>
+<br> Sets the position function of the body. The position function must be a function that accepts a Body and a time step value and at some point calls body:updatePosition to update the position of the body.
 Returns the Body.
 Introduced in platform.apiLevel = '2.0'
 ----
 ===== setTorque =====

← Older revision		Revision as of 11:02, 25 June 2012
Line 1:		Line 1:
−	~~Essai~~	+	A body holds the physical properties (mass, position, rotation, velocity, etc.) of an object.<br>It does not have a shape until you attach one (or more) to it. Its type is TI.cpBody.
−
−

	[[Category:Physics_Engine]]		[[Category:Physics_Engine]]