pc_tiantian/Editor/CCRectNode.lua

-- 被选择节点显示高亮框
cc.RectNode = {

}

function cc.RectNode:create(node)
	local glNode  = gl.glNodeCreate()
	glNode:setAnchorPoint(cc.p(0.5, 0.5))
	
	function glNode:setNode(node)
		local function onNodeEvent(node , eventType)
			if eventType == cc.NodeEvent.OnExit then
				if self.Node == node then
					self.Node = nil;
				end
			end
		end
		if node then
			node:addNodeEventListener(onNodeEvent)
		end

		self.Node = node;
	end

	glNode:setNode(node)
	local material3d = cc.MaterialCache:getInstance():load("core/preload/shaders/ccDefault.material#ShaderPosition_uColor3D");
	cc.Default2DMaterials:getInstance():bindValue(material3d:getParameter("CC_MVPMatrix") , "WORLD_VIEW_PROJECTION_MATRIX");

	local function primitivesDraw(transform, transformUpdated)
		local node = glNode.Node;
		if not tolua.isnull(node) then
			cc.DrawPrimitives.setMaterial(material3d);
			-- 绑定相机、世界矩阵
			cc.DrawPrimitives.setCamera(node:getActiveCamera());
			cc.DrawPrimitives.setWorldTransform(cc.Mat4:identity());

			-- 画矩形
			gl.lineWidth( 1 )
			cc.DrawPrimitives.drawColor4B(0, 255, 0, 255)
			cc.DrawPrimitives.drawBoundingBox(node:getSelectBox())

			-- 状态恢复
			gl.lineWidth(1)
			cc.DrawPrimitives.drawColor4B(255,255,255,255)
			cc.DrawPrimitives.setPointSize(1)

			-- 材质状态恢复
			cc.DrawPrimitives.setCamera(nil);
			cc.DrawPrimitives.setMaterial(nil);
		end
	end

	glNode:registerScriptDrawHandler(primitivesDraw)

	return glNode
end