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Resplicing Some XNA - Kosmos (was Culture) #3

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Uploaded by on Mar 20, 2008

My latest work in progres on an XNA game for Xbox 360 and Windows. Procedural generation of sun and planetoid. All geometry and textures are calculated (perlin noise etc).

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Entertainment

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Uploader Comments (duckocide)

  • Nice, I'm currently trying to get a sphere with a texture on it, with a procedurally generated height map but i cant figure out how to marry the two. i dont suppose you could lend some hints?

  • Translate your height value in to an increase in sphere vertex distance from centre of the sphere. If you imagine the heightmap texture wrapped around the sphere (like a world map), then each sphere vertex will fall on a particular texture pixel in that map rectangle. It's just a case of working out which pixel the vertex falls on.

  • Like WOW! How cool does that look!

  • Thanks ... Your XNA routines are pretty damn special as well. Texture generators still need a bit more work, but they are just about there now.

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  • Yeah i was thinking along those lines. have a diagram here somewhere of slicing the sphere along some axis and taking the vertex point along the radius to the centre of the sphere. but i dont know how to do 2 things, make a sphere, or load the sphere as a mesh object and modify the vertex co-ordinates

  • whats the sense of this game,i dont know it so could someone explain me what to do in this game?

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