Creating a colored cube with each face colored differently?

Hi,

In developing the Rubik's cube, I'm now in the final stage where I need to
create a cube with all 6 faces of different colors.

When I look at how one assigns a color to a cube, we create a Material
object, and pass it to the TCube. The TCube passes it to its super classes,
and finally we hit TMesh, where the material object is put into the
MaterialList (at 1).

Then at render time, I see that the method renderPrimitve: ogl alpha:
alphaPass is called to render the object, in which the materialList is made
use of. Not being a graphics guy myself, I'm unable to figure out what is
happening in this function, and so it would be great if someone can put into
words what is happening in that method.

This will help me change the method so that I can perhaps use it to render a
cube with all faces colored differently.

Thanks.



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The TCube may use the same material for all 6 sides if I recall. You may need to create your own object, probably by using 6 TRectangles properly oriented. Each rectangle can have its own material that way. Another possibility is create the cube you want in a 3D editor, export to collada and load it into your scene. Then just make 26 copies (don't need one in the center).

DAS

On Mon, Apr 29, 2013 at 8:44 PM, sachuraju <[hidden email]> wrote:

Hi,

In developing the Rubik's cube, I'm now in the final stage where I need to
create a cube with all 6 faces of different colors.

When I look at how one assigns a color to a cube, we create a Material
object, and pass it to the TCube. The TCube passes it to its super classes,
and finally we hit TMesh, where the material object is put into the
MaterialList (at 1).

Then at render time, I see that the method renderPrimitve: ogl alpha:
alphaPass is called to render the object, in which the materialList is made
use of. Not being a graphics guy myself, I'm unable to figure out what is
happening in this function, and so it would be great if someone can put into
words what is happening in that method.

This will help me change the method so that I can perhaps use it to render a
cube with all faces colored differently.

Thanks.



--
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David A. Smith

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NAML

Hi,

In developing the Rubik's cube, I'm now in the final stage where I need to
create a cube with all 6 faces of different colors.

When I look at how one assigns a color to a cube, we create a Material
object, and pass it to the TCube. The TCube passes it to its super classes,
and finally we hit TMesh, where the material object is put into the
MaterialList (at 1).

Then at render time, I see that the method renderPrimitve: ogl alpha:
alphaPass is called to render the object, in which the materialList is made
use of. Not being a graphics guy myself, I'm unable to figure out what is
happening in this function, and so it would be great if someone can put into
words what is happening in that method.

This will help me change the method so that I can perhaps use it to render a
cube with all faces colored differently.

Thanks.



--
View this message in context: http://forum.world.st/Creating-a-colored-cube-with-each-face-colored-differently-tp4684501.html
Sent from the Croquet - Dev mailing list archive at Nabble.com.

unsubscribe

2013/4/30 sachuraju <[hidden email]>

Hi,

In developing the Rubik's cube, I'm now in the final stage where I need to
create a cube with all 6 faces of different colors.

When I look at how one assigns a color to a cube, we create a Material
object, and pass it to the TCube. The TCube passes it to its super classes,
and finally we hit TMesh, where the material object is put into the
MaterialList (at 1).

Then at render time, I see that the method renderPrimitve: ogl alpha:
alphaPass is called to render the object, in which the materialList is made
use of. Not being a graphics guy myself, I'm unable to figure out what is
happening in this function, and so it would be great if someone can put into
words what is happening in that method.

This will help me change the method so that I can perhaps use it to render a
cube with all faces colored differently.

Thanks.



--
View this message in context: http://forum.world.st/Creating-a-colored-cube-with-each-face-colored-differently-tp4684501.html
Sent from the Croquet - Dev mailing list archive at Nabble.com.

--
--
Best Regards,
Dmitriy Kazimirov,


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