56 lines
1.4 KiB
CoffeeScript
56 lines
1.4 KiB
CoffeeScript
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# 00000000 0000000 0000000
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# 000 000 000 000 000
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# 00000000 000 000 0000000
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# 000 000 000 000
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# 000 0000000 0000000
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Vector = require './vector'
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class Pos
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constructor: (x=0, y=0, z=0) ->
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if x.x? and x.y?
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@x = Math.round x.x
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@y = Math.round x.y
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@z = Math.round x.z ? 0
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else if Array.isArray x
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@x = Math.floor x[0]
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@y = Math.floor x[1]
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@z = Math.floor x[2]
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else
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@x = Math.floor x
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@y = Math.floor y
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@z = Math.floor z
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# log "Pos #{@x} #{@y} #{@z}"
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if Number.isNaN @x
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throw new Error
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length: -> Math.sqrt @x*@x + @y*@y + @z*@z
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vector: -> new Vector @x, @y, @z
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minus: (p) -> new Pos @x-p.x, @y-p.y, @z-p.z
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plus: (p) -> new Pos @x+p.x, @y+p.y, @z+p.z
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mul: (f) -> new Pos @x*f, @y*f, @z*f
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div: (d) -> new Pos Math.floor(@x/d), Math.floor(@y/d), Math.floor(@z/d)
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eql: (p) -> @x==p.x and @y==p.y and @z==p.z
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str: -> "#{@x} #{@y} #{@z}"
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reset: ->
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@x = @y = @z = 0
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@
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add: (p) ->
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@x = Math.round @x + p.x
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@y = Math.round @y + p.y
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@z = Math.round @z + p.z
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@
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sub: (p) ->
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@x = Math.round @x - p.x
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@y = Math.round @y - p.y
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@z = Math.round @z - p.z
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@
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module.exports = Pos
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