mirror of
https://github.com/lxsang/Diya-API.git
synced 2024-12-26 03:18:22 +01:00
2e4c73f8cf
- fix: TF update bug on scale - fix: Use local coordiate for Polygon points - Add timer node for basic animation - Dirty processing nodes are monitored by rootnode - refactory code
98 lines
2.0 KiB
Smalltalk
98 lines
2.0 KiB
Smalltalk
Class {
|
|
#name : #DiyaEllipse,
|
|
#superclass : #Diya2DPrimShape,
|
|
#instVars : [
|
|
'rx',
|
|
'ry'
|
|
],
|
|
#category : #'Diya-Graphics'
|
|
}
|
|
|
|
{ #category : #'as yet unclassified' }
|
|
DiyaEllipse class >> rx: rx ry: ry [
|
|
^self new rx: rx;
|
|
ry: ry;
|
|
yourself
|
|
]
|
|
|
|
{ #category : #'as yet unclassified' }
|
|
DiyaEllipse class >> rx: rx ry: ry shader: s [
|
|
^self new rx: rx;
|
|
ry: ry;
|
|
shader: s;
|
|
yourself
|
|
]
|
|
|
|
{ #category : #initialization }
|
|
DiyaEllipse >> drawBorder [
|
|
"do nothing"
|
|
]
|
|
|
|
{ #category : #initialization }
|
|
DiyaEllipse >> drawLines [
|
|
self shouldNotBeCalled
|
|
]
|
|
|
|
{ #category : #initialization }
|
|
DiyaEllipse >> initialize [
|
|
super initialize.
|
|
translation := nil.
|
|
vbuffer := FFIExternalArray externalNewType: GLfloat size: 24.
|
|
vbuffer autoRelease.
|
|
shader := DiyaEllipseShader uniqueInstance.
|
|
]
|
|
|
|
{ #category : #initialization }
|
|
DiyaEllipse >> inner: aPoint [
|
|
|dxy|
|
|
dxy := self local: aPoint.
|
|
^ ((((dxy x) ** 2)/(rx**2)) + (((dxy y) ** 2) / (ry**2))) < 1.
|
|
]
|
|
|
|
{ #category : #accessing }
|
|
DiyaEllipse >> process [
|
|
bbox := Rectangle origin: ((rx negated) @ (ry negated)) corner: (rx @ ry).
|
|
{
|
|
bbox origin x. bbox origin y. 0.0. 0.0.
|
|
bbox origin x. bbox corner y. 0.0. 1.0.
|
|
bbox corner x. bbox corner y. 1.0. 1.0.
|
|
|
|
bbox corner x. bbox corner y. 1.0. 1.0.
|
|
bbox corner x. bbox origin y. 1.0. 0.0.
|
|
bbox origin x. bbox origin y. 0.0. 0.0.
|
|
} doWithIndex: [:e :i| vbuffer at: i put: e].
|
|
^true
|
|
]
|
|
|
|
{ #category : #accessing }
|
|
DiyaEllipse >> rx [
|
|
^ rx
|
|
]
|
|
|
|
{ #category : #accessing }
|
|
DiyaEllipse >> rx: anObject [
|
|
rx := anObject.
|
|
self setDirty
|
|
]
|
|
|
|
{ #category : #accessing }
|
|
DiyaEllipse >> ry [
|
|
^ ry
|
|
]
|
|
|
|
{ #category : #accessing }
|
|
DiyaEllipse >> ry: anObject [
|
|
ry := anObject.
|
|
self setDirty
|
|
]
|
|
|
|
{ #category : #initialization }
|
|
DiyaEllipse >> setUpShader [
|
|
super setUpShader.
|
|
self shader
|
|
setUniform: #u_border value: (self ? #border);
|
|
setUniform: #u_border_color value: ( self ? #borderColor) asGL4FArray;
|
|
setUniform: #u_rx value: (rx * (scale x)) ;
|
|
setUniform: #u_ry value: (ry * (scale y)) .
|
|
]
|