OBD:PLEA: Difference between revisions

OBD:PLEA (view source)

Revision as of 09:30, 12 September 2007

165 bytes removed , 12 September 2007

m

design

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1,051

edits

@@ Line 1: / Line 1: @@
-{{OBD_File_Header|align=center|type=PLEA|prev=OTLF|next=PNTA|name=Plane Equation Array|family=Level|onistuff=plea}}
+{{OBD_File_Header | type=PLEA | prev=OTLF | next=PNTA | name=Plane Equation Array | family=Level | align=center}}
-----
+[[image:plea_a.gif]]
-http://www6.fh-eberswalde.de/user/dkriesch/onistuff/images/plea_a.gif
-{|{{OBDtable}}
+{{Table}}
-|align=center|
+{{OBDth}}
-{|{{OBDtable}}
+{{OBDtr| 0x00 | res_id   |FF0000| 01 41 02 00 | 577   | 00577-.PLEA }}
-|-BGCOLOR="#FFDDBB"
+{{OBDtr| 0x04 | lev_id   |FFFF00| 01 00 00 06 | 3     | level 3 }}
-! WIDTH=15% | <B>Hex</B>
+{{OBDtr| 0x08 | char[20] |00FF00| AD DE       | dead  | unused }}
-! WIDTH=15% | <B>Translation</B>
+{{OBDtr| 0x1C | int32    |00FFFF| 03 00 00 00 | 13554 | array size }}
-! WIDTH=70% | <B>Meaning</B>
+{{OBDtrBK}}
-|-
+{{OBDtr| 0x00 | float    |FFC8C8| 00 00 00 00 | 0.000000 | 1st coefficient of the plane equation (x-part of normal vector) }}
-| BGCOLOR="#FF0000" | 01 41 02 00
+{{OBDtr| 0x04 | float    |FFFFC8| 00 00 00 00 | 0.000000 | 2nd coefficient of the plane equation (y-part of normal vector) }}
-| 577
+{{OBDtr| 0x08 | float    |C8FFC8| 00 00 80 3F | 1.000000 | 3rd coefficient of the plane equation (z-part of normal vector) }}
-| ALIGN=LEFT | 00577-.PLEA
+{{OBDtr| 0x0C | float    |C8FFFF| 00 00 19 44 |612.000000| 4th coefficient of the plane equation }}
-|-
-| BGCOLOR="#FFFF00" | 01 00 00 06
-| 3
-| ALIGN=LEFT | level 3
-|-
-| BGCOLOR="#00FF00" | AD DE
-| dead
-| ALIGN=LEFT | not used
-|-
-| BGCOLOR="#00FFFF" | F2 34 00 00
-| 13554
-| ALIGN=LEFT | 13554 packages follow (first package outlined in black)
-|-
-| BGCOLOR="#000000" COLSPAN=3 | <FONT COLOR="#FFFFFF">First package (i.e., plane equation) follows</FONT>
-|-
-| BGCOLOR="#FFC8C8" | 00 00 00 00
-| 0.000000
-| ALIGN=LEFT | first coefficient of the plane equation
-|-
-| BGCOLOR="#FFFFC8" | 00 00 00 00
-| 0.000000
-| ALIGN=LEFT | second coefficient of the plane equation
-|-
-| BGCOLOR="#C8FFC8" | 00 00 80 3F
-| 1.000000
-| ALIGN=LEFT | third coefficient of the plane equation
-|-
-| BGCOLOR="#C8FFFF" | 00 00 19 44
-| 612.000000
-| ALIGN=LEFT | fourth coefficient of the plane equation
-|}
 |}
 ;Plane equation
 :The canonical equation for a [http://mathworld.wolfram.com/Plane.html plane] in 3D is :
@@ Line 61: / Line 33: @@
 ::It's rather easy to check (just flip the "normal" of the plane equation for a known axis-aligned quad).
 :The oriented "plane inequation" can be used for: culling; collision.
+{{OBD_File_Footer | type=PLEA | prev=OTLF | next=PNTA | name=Plane Equation Array | family=Level}}
-----
+{{OBD_File_Header|align=center|type=PLEA|prev=OTLF|next=PNTA|name=Plane Equation Array|family=Level|onistuff=plea}}
-{{OBD_File_Footer|align=center|type=PLEA|prev=OTLF|next=PNTA|name=Plane Equation Array|family=Level|onistuff=plea}}