Packagelaya.webgl.utils
Classpublic class GlUtils
InheritanceGlUtils Inheritance Object


Public Methods
 MethodDefined By
  
copyPreImgVb(vb:VertexBuffer2D, dx:Number, dy:Number):void
[static]
GlUtils
  
expandIBQuadrangle(buffer:IndexBuffer2D, count:int):void
[static]
GlUtils
  
fillIBQuadrangle(buffer:IndexBuffer2D, count:int):Boolean
[static] 初始化全局IB,IB索引如下: 0___1 |\ | | \ | |__\| 3 2
GlUtils
  
fillLineVb(vb:VertexBuffer2D, clip:Rectangle, fx:Number, fy:Number, tx:Number, ty:Number, width:Number, mat:Matrix):Boolean
[static]
GlUtils
  
fillQuadrangleImgVb(vb:VertexBuffer2D, x:Number, y:Number, point4:Array, uv:Array, m:Matrix, _x:Number, _y:Number):Boolean
[static]
GlUtils
  
fillRectImgVb(vb:VertexBuffer2D, clip:Rectangle, x:Number, y:Number, width:Number, height:Number, uv:Array, m:Matrix, _x:Number, _y:Number, dx:Number, dy:Number, round:Boolean = false):Boolean
[static]
GlUtils
  
fillTranglesVB(vb:VertexBuffer2D, x:Number, y:Number, points:Array, m:Matrix, _x:Number, _y:Number):Boolean
[static]
GlUtils
  
make2DProjection(width:int, height:int, depth:int):*
[static]
GlUtils
  
mathCeilPowerOfTwo(value:int):int
[static]
GlUtils
Method Detail
copyPreImgVb()method
public static function copyPreImgVb(vb:VertexBuffer2D, dx:Number, dy:Number):void

Parameters

vb:VertexBuffer2D
 
dx:Number
 
dy:Number

expandIBQuadrangle()method 
public static function expandIBQuadrangle(buffer:IndexBuffer2D, count:int):void

Parameters

buffer:IndexBuffer2D
 
count:int

fillIBQuadrangle()method 
public static function fillIBQuadrangle(buffer:IndexBuffer2D, count:int):Boolean

初始化全局IB,IB索引如下: 0___1 |\ | | \ | |__\| 3 2

Parameters

buffer:IndexBuffer2D
 
count:int

Returns
Boolean
fillLineVb()method 
public static function fillLineVb(vb:VertexBuffer2D, clip:Rectangle, fx:Number, fy:Number, tx:Number, ty:Number, width:Number, mat:Matrix):Boolean

Parameters

vb:VertexBuffer2D
 
clip:Rectangle
 
fx:Number
 
fy:Number
 
tx:Number
 
ty:Number
 
width:Number
 
mat:Matrix

Returns
Boolean
fillQuadrangleImgVb()method 
public static function fillQuadrangleImgVb(vb:VertexBuffer2D, x:Number, y:Number, point4:Array, uv:Array, m:Matrix, _x:Number, _y:Number):Boolean

Parameters

vb:VertexBuffer2D
 
x:Number
 
y:Number
 
point4:Array
 
uv:Array
 
m:Matrix
 
_x:Number
 
_y:Number

Returns
Boolean
fillRectImgVb()method 
public static function fillRectImgVb(vb:VertexBuffer2D, clip:Rectangle, x:Number, y:Number, width:Number, height:Number, uv:Array, m:Matrix, _x:Number, _y:Number, dx:Number, dy:Number, round:Boolean = false):Boolean

Parameters

vb:VertexBuffer2D
 
clip:Rectangle
 
x:Number
 
y:Number
 
width:Number
 
height:Number
 
uv:Array
 
m:Matrix
 
_x:Number
 
_y:Number
 
dx:Number
 
dy:Number
 
round:Boolean (default = false)

Returns
Boolean
fillTranglesVB()method 
public static function fillTranglesVB(vb:VertexBuffer2D, x:Number, y:Number, points:Array, m:Matrix, _x:Number, _y:Number):Boolean

Parameters

vb:VertexBuffer2D
 
x:Number
 
y:Number
 
points:Array
 
m:Matrix
 
_x:Number
 
_y:Number

Returns
Boolean
make2DProjection()method 
public static function make2DProjection(width:int, height:int, depth:int):*

Parameters

width:int
 
height:int
 
depth:int

Returns
*
mathCeilPowerOfTwo()method 
public static function mathCeilPowerOfTwo(value:int):int

Parameters

value:int

Returns
int




Fri Sep 29 2017, 06:34 PM +08:00