mirror of
https://github.com/lxsang/Diya-API.git
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56 lines
1.1 KiB
Smalltalk
56 lines
1.1 KiB
Smalltalk
Class {
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#name : #DiyaRectangle,
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#superclass : #Diya2DPrimShape,
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#category : #'Diya-Graphics'
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}
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{ #category : #'instance creation' }
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DiyaRectangle class >> size: size [
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^(self new) extent: size; yourself
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]
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{ #category : #'instance creation' }
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DiyaRectangle class >> size: size shader:s [
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^(self with:s) extent: size; yourself
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]
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{ #category : #initialization }
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DiyaRectangle >> drawLines [
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self drawLineAt: 0.
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self drawLineAt: 1.
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self drawLineAt: 3.
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self drawLineAt: 4.
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]
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{ #category : #accessing }
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DiyaRectangle >> extent: v [
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bbox := Rectangle origin:0@0 corner: v.
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dirty := true
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]
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{ #category : #accessing }
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DiyaRectangle >> initialize [
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super initialize.
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self extent:10@10.
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translation := nil.
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vbuffer := FFIExternalArray externalNewType: GLfloat size:24.
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vbuffer autoRelease.
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]
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{ #category : #accessing }
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DiyaRectangle >> update [
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|extent|
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extent := self extent.
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{
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0.0. extent y. 0.0. 0.0.
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0. 0. 0.0. 1.0.
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extent x. 0.0. 1.0. 1.0.
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extent x. 0.0. 1.0. 1.0.
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extent x. extent y. 1.0. 0.0.
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0.0. extent y. 0.0. 0.0.
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} doWithIndex: [:e :i| vbuffer at: i put: e].
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^true
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]
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