var ContainerWebGLRenderer = function (renderer, container, interpolationPercentage, camera, parentMatrix){ 
var children = container.list; 
if (_AN_Read_length('length', children) === 0) { 
return ; 
} 
var transformMatrix = container.localTransform; 
if (parentMatrix) { 
transformMatrix.loadIdentity(); 
transformMatrix.multiply(parentMatrix); 
transformMatrix.translate(container.x, container.y); 
transformMatrix.rotate(container.rotation); 
transformMatrix.scale(container.scaleX, container.scaleY); 
} 
 else { 
transformMatrix.applyITRS(container.x, container.y, container.rotation, container.scaleX, container.scaleY); 
} 
var containerHasBlendMode = (container.blendMode !== -1); 
if (!containerHasBlendMode) { 
renderer.setBlendMode(0); 
} 
var alphaTopLeft = container.alphaTopLeft; 
var alphaTopRight = container.alphaTopRight; 
var alphaBottomLeft = container.alphaBottomLeft; 
var alphaBottomRight = container.alphaBottomRight; 
var scrollFactorX = container.scrollFactorX; 
var scrollFactorY = container.scrollFactorY; 
var list = children; 
var childCount = _AN_Read_length('length', children); 
var current = renderer.mask; 
for (var i = 0; 
i < childCount; i++ ){ 
var child = children[i]; 
if (!child.willRender(camera)) { 
continue ; 
} 
var childAlphaTopLeft; 
var childAlphaTopRight; 
var childAlphaBottomLeft; 
var childAlphaBottomRight; 
if (child.alphaTopLeft !== undefined) { 
childAlphaTopLeft = child.alphaTopLeft; 
childAlphaTopRight = child.alphaTopRight; 
childAlphaBottomLeft = child.alphaBottomLeft; 
childAlphaBottomRight = child.alphaBottomRight; 
} 
 else { 
var childAlpha = child.alpha; 
childAlphaTopLeft = childAlpha; 
childAlphaTopRight = childAlpha; 
childAlphaBottomLeft = childAlpha; 
childAlphaBottomRight = childAlpha; 
} 
var childScrollFactorX = child.scrollFactorX; 
var childScrollFactorY = child.scrollFactorY; 
if (!containerHasBlendMode && child.blendMode !== renderer.currentBlendMode) { 
renderer.setBlendMode(child.blendMode); 
} 
var mask = child.mask; 
current = renderer.currentMask; 
if (current.mask && current.mask !== mask) { 
current.mask.postRenderWebGL(renderer, current.camera); 
} 
if (mask && current.mask !== mask) { 
mask.preRenderWebGL(renderer, child, camera); 
} 
var type = child.type; 
if (type !== renderer.currentType) { 
renderer.newType = true ; 
renderer.currentType = type; 
} 
renderer.nextTypeMatch = (i < childCount - 1)? (list[i + 1].type === renderer.currentType): false ; 
child.setScrollFactor(childScrollFactorX * scrollFactorX, childScrollFactorY * scrollFactorY); 
child.setAlpha(childAlphaTopLeft * alphaTopLeft, childAlphaTopRight * alphaTopRight, childAlphaBottomLeft * alphaBottomLeft, childAlphaBottomRight * alphaBottomRight); 
child.renderWebGL(renderer, child, interpolationPercentage, camera, transformMatrix); 
child.setAlpha(childAlphaTopLeft, childAlphaTopRight, childAlphaBottomLeft, childAlphaBottomRight); 
child.setScrollFactor(childScrollFactorX, childScrollFactorY); 
renderer.newType = false ; 
} 
} 
; 
module.exports = ContainerWebGLRenderer;