mirror of
https://github.com/lxsang/Diya-API.git
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32 lines
586 B
Smalltalk
32 lines
586 B
Smalltalk
Extension { #name : #Point }
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{ #category : #'*Diya' }
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Point >> applyTf: tf [
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^(tf +* (self asArray3F)) asPoint
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]
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{ #category : #'*Diya' }
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Point >> asArray3F [
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^ self asArray3F: 1.0
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]
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{ #category : #'*Diya' }
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Point >> asArray3F: z [
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^ { self x. self y. z }
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]
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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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