var MATH_CONST = require('../../math/const'); 
var WrapAngle = require('../../math/angle/Wrap'); 
var WrapAngleDegrees = require('../../math/angle/WrapDegrees'); 
var _FLAG = 4; 
var Transform = { 
_scaleX: 1,
_scaleY: 1,
_rotation: 0,
_depth: 0,
_dirty: false ,
_world: { 
a: 1,
b: 0,
c: 0,
d: 1,
tx: 0,
ty: 0,
sr: 0,
cr: 0}
,
_x: 0,
_y: 0,
_z: 0,
_w: 0,
x: { 
get: function (){ 
return this._x; 
} 
,
set: function (value){ 
this._x = value; 
this._dirty = true ; 
} 
}
,
y: { 
get: function (){ 
return this._y; 
} 
,
set: function (value){ 
this._y = value; 
this._dirty = true ; 
} 
}
,
z: { 
get: function (){ 
return this._z; 
} 
,
set: function (value){ 
this._z = value; 
this._dirty = true ; 
} 
}
,
w: { 
get: function (){ 
return this._w; 
} 
,
set: function (value){ 
this._w = value; 
this._dirty = true ; 
} 
}
,
scaleX: { 
get: function (){ 
return this._scaleX; 
} 
,
set: function (value){ 
this._scaleX = value; 
this._dirty = true ; 
if (this._scaleX === 0) { 
this.renderFlags &= ~_FLAG; 
} 
 else { 
this.renderFlags |= _FLAG; 
} 
} 
}
,
scaleY: { 
get: function (){ 
return this._scaleY; 
} 
,
set: function (value){ 
this._scaleY = value; 
this._dirty = true ; 
if (this._scaleY === 0) { 
this.renderFlags &= ~_FLAG; 
} 
 else { 
this.renderFlags |= _FLAG; 
} 
} 
}
,
angle: { 
get: function (){ 
return WrapAngleDegrees(this._rotation * MATH_CONST.RAD_TO_DEG); 
} 
,
set: function (value){ 
this.rotation = WrapAngleDegrees(value) * MATH_CONST.DEG_TO_RAD; 
} 
}
,
rotation: { 
get: function (){ 
return this._rotation; 
} 
,
set: function (value){ 
this._rotation = WrapAngle(value); 
this._world.sr = Math.sin(this._rotation); 
this._world.cr = Math.cos(this._rotation); 
this._dirty = true ; 
} 
}
,
depth: { 
get: function (){ 
return this._depth; 
} 
,
set: function (value){ 
this.scene.sys.queueDepthSort(); 
this._depth = value; 
} 
}
,
setPosition: function (x, y, z, w){ 
if (x === undefined) { 
x = 0; 
} 
if (y === undefined) { 
y = x; 
} 
if (z === undefined) { 
z = 0; 
} 
if (w === undefined) { 
w = 0; 
} 
this._x = x; 
this._y = y; 
this._z = z; 
this._w = w; 
this._dirty = true ; 
return this; 
} 
,
setRotation: function (radians){ 
if (radians === undefined) { 
radians = 0; 
} 
this.rotation = radians; 
return this; 
} 
,
setAngle: function (degrees){ 
if (degrees === undefined) { 
degrees = 0; 
} 
this.angle = degrees; 
return this; 
} 
,
setScale: function (x, y){ 
if (x === undefined) { 
x = 1; 
} 
if (y === undefined) { 
y = x; 
} 
this.scaleX = x; 
this.scaleY = y; 
return this; 
} 
,
setZ: function (value){ 
if (value === undefined) { 
value = 0; 
} 
this.z = value; 
return this; 
} 
,
setW: function (value){ 
if (value === undefined) { 
value = 0; 
} 
this.w = value; 
return this; 
} 
,
setDepth: function (value){ 
if (value === undefined) { 
value = 0; 
} 
this.depth = value; 
return this; 
} 
,
updateTransform: function (){ 
if (!this.parent || !this._dirty) { 
return ; 
} 
var tx = this._x; 
var ty = this._y; 
var world = this._world; 
var parent = this.parent.world; 
var a = world.cr * this._scaleX; 
var b = world.sr * this._scaleX; 
var c = - world.sr * this._scaleY; 
var d = world.cr * this._scaleY; 
world.a = (a * parent.a) + (b * parent.c); 
world.b = (a * parent.b) + (b * parent.d); 
world.c = (c * parent.a) + (d * parent.c); 
world.d = (c * parent.b) + (d * parent.d); 
world.tx = (tx * parent.a) + (ty * parent.c) + parent.tx; 
world.ty = (tx * parent.b) + (ty * parent.d) + parent.ty; 
} 
}
; 
module.exports = Transform;