mirror of
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17 lines
351 B
Smalltalk
17 lines
351 B
Smalltalk
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Extension { #name : #Point }
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{ #category : #'*Diya' }
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Point >> asGLCoord [
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|res|
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res := DiyaRendererContext uniqueInstance resolution.
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^(self / ( res / 2.0)) + (-1.0@ -1.0).
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]
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{ #category : #'*Diya' }
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Point >> glNormalise [
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|res p|
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res := DiyaRendererContext uniqueInstance resolution.
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p := self / (res/ 2).
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^ (p x asFloat) @ (p y asFloat)
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]
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