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Diya-API/Diya/Point.extension.st

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