40 lines
1.1 KiB
CoffeeScript
40 lines
1.1 KiB
CoffeeScript
# 00000000 0000000 0000000 00000000
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# 000 000 000 000 000
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# 000000 000000000 000 0000000
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# 000 000 000 000 000
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# 000 000 000 0000000 00000000
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Quaternion = require './lib/quaternion'
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Vector = require './lib/vector'
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class Face
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@X = 0
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@Y = 1
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@Z = 2
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@NX = 3
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@NY = 4
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@NZ = 5
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@orientation: (face) ->
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switch face % 6
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when 0 then return Quaternion.rot_90_Y
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when 1 then return Quaternion.rot_270_X
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when 2 then return Quaternion.rot_0
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when 3 then return Quaternion.rot_270_Y
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when 4 then return Quaternion.rot_90_X
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when 5 then return Quaternion.rot_180_X
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@normal: (face) ->
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o = (face < 3) and 1 or -1
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switch face % 3
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when 0 then return new Vector o, 0, 0
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when 1 then return new Vector 0, o, 0
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when 2 then return new Vector 0, 0, o
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new Vector
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@orientationForFace: (face) -> @orientation face
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@normalVectorForFace: (face) -> @normal face
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module.exports = Face
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