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Monthly Archive for December, 2008

Papervision Double Sided Plane

Published
by
Charlie
on December 9, 2008
in AS3, Actionscript 3 Papervision, Actionscript 3.0, Flash, Papervision, Papervision 3D and Tutorials
. 12 Comments

Papervision double sided plane

Thanks to Luke I am the new proud owner of Papervision2.com. He is keeping busy and just ran out of time. I know he is sad to see it go, but glad that someone can take over and continue helping the Flash / Papervision community.

To introduce myself, I decided to take a tutorial from my site and add it to this new site.

The ole, doublesided plane. Lets get started.

Here are your options as we see it to create a double-sided plane.

Option 1:
Create two planes. Plane 1 with a z sorting of 1 and the other with 0 and the rotationY of one of those planes set to 180. You could then contain this in one display container.

Version 2:
Create one cube with a depth of 0. Then you just apply a material to the front and back. OK OK OK so this is not really a Plane... but I like this approach because it allows me to more easily use things like Bend Modifier.

If anyone has a better or more improved approach we would love to hear about it.

Here is what the code for Option 1:

PLAIN TEXT
Actionscript:
  1. package com.cs54.ui
  2. {
  3. import org.papervision3d.objects.primitives.Plane;
  4. import org.papervision3d.materials.MovieMaterial;
  5. import org.papervision3d.materials.utils.MaterialsList;
  6. import org.papervision3d.objects.DisplayObject3D;
  7. import com.everydayflash.pv3d.modifiers.Bend;
  8. import flash.display.DisplayObject;public class Tree2Planes extends DisplayObject3D
  9. {
  10. [Embed(source="/assets/tree-side-1.png")]
  11. public var TreeFront        :Class;[Embed(source="/assets/tree-side-2.png")]
  12. public var TreeBack            :Class;
  13.  
  14. protected var treeFront        :DisplayObject;
  15. protected var treeBack        :DisplayObject;
  16.  
  17. protected var treeFrontMat    :MovieMaterial;
  18. protected var treeBackMat    :MovieMaterial;
  19.  
  20. protected var treeMatList    :MaterialsList;
  21.  
  22. protected var _height        :Number = 175;
  23. protected var _width        :Number = 191;
  24. protected var _container    :DisplayObject3D;
  25.  
  26. protected var plane1        :Plane;
  27. protected var plane2        :Plane;
  28.  
  29. public function Tree2Planes():void
  30. {
  31. treeMatList     = new MaterialsList();
  32. treeFront        = new TreeFront();
  33. treeBack         = new TreeBack();
  34.  
  35. //Tree Materials
  36. treeFrontMat     = new MovieMaterial(treeFront, true);
  37. treeBackMat     = new MovieMaterial(treeBack, true);
  38.  
  39. treeFrontMat.allowAutoResize = false;
  40.  
  41. plane1        = new Plane(treeFrontMat,_width,_height);
  42. plane2        = new Plane(treeBackMat,_width,_height);
  43.  
  44. plane1.z = 1;
  45. plane1.rotationY = 180;
  46.  
  47. _container = new DisplayObject3D();
  48.  
  49. addChild(_container);
  50. _container.addChild(plane1);
  51. _container.addChild(plane2);
  52.  
  53. }
  54.  
  55. public function get height():Number
  56. {
  57. return _height;
  58. }
  59. public function get width():Number
  60. {
  61. return _width;
  62. }
  63.  
  64. }
  65.  
  66. }

Here is what the code for Option 2:

PLAIN TEXT
Actionscript:
  1. package com.cs54.ui
  2. {
  3. import org.papervision3d.materials.MovieMaterial;
  4. import org.papervision3d.materials.utils.MaterialsList;
  5. import org.papervision3d.objects.DisplayObject3D;
  6. import org.papervision3d.objects.primitives.Cube;
  7. import com.everydayflash.pv3d.modifiers.Bend;
  8. import flash.display.DisplayObject;
  9.  
  10. public class Tree extends DisplayObject3D
  11. {
  12. [Embed(source="/assets/tree-side-1.png")]
  13. public var TreeFront        :Class;
  14.  
  15. [Embed(source="/assets/tree-side-2.png")]
  16. public var TreeBack            :Class;
  17.  
  18. protected var treeFront        :DisplayObject;
  19. protected var treeBack        :DisplayObject;
  20.  
  21. protected var treeFrontMat    :MovieMaterial;
  22. protected var treeBackMat    :MovieMaterial;
  23.  
  24. protected var treeMatList    :MaterialsList;
  25.  
  26. protected var treeCube        :Cube;
  27. protected var _height        :Number = 175;
  28. protected var _width        :Number = 191;
  29. protected var _container    :DisplayObject3D;
  30.  
  31. public function Tree():void
  32. {
  33.  
  34. treeMatList     = new MaterialsList();
  35. treeFront        = new TreeFront();
  36. treeBack         = new TreeBack();
  37.  
  38. //Tree Materials
  39. treeFrontMat     = new MovieMaterial(treeFront, true);
  40. treeBackMat     = new MovieMaterial(treeBack, true);
  41.  
  42. treeFrontMat.allowAutoResize = false;
  43.  
  44. treeFrontMat.animated = true;
  45.  
  46. treeMatList.addMaterial( treeFrontMat, "front" );
  47. treeMatList.addMaterial( treeBackMat, "back" );
  48.  
  49. treeCube     = new Cube(treeMatList, _width, 0, _height, 6, 6, 6);
  50.  
  51. var bend:Bend = new Bend(treeCube);
  52.  
  53. bend.quickBend(1, .1);
  54.  
  55. addChild(treeCube);
  56.  
  57. }
  58.  
  59. public function get height():Number
  60. {
  61. return _height;
  62. }
  63. public function get width():Number
  64. {
  65. return _width;
  66. }
  67.  
  68. }
  69.  
  70. }

More to come in the weeks ahead. New papervision tutorials, full source, and support will all be provided.

Thanks for your continued support.

Charles Schulze,
CS54, LLC

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