pc_tiantian/core/luaScript/Tools/Widgets/UIGridLine.lua

cc.GridLine = class("GridLine")
cc.GridLine.ClassName = "GridLine"

function cc.GridLine:saveToXmlNode(xmlNode)
	cc.Layout.saveToXmlNode(self , xmlNode);
end

function cc.GridLine:loadFromXmlNode(xmlNode)
	cc.Layout.loadFromXmlNode(self , xmlNode);
end

function cc.GridLine:extend(layout)
	cc.Layout:extend(layout);	
	layout:setName("GridLine")
	-- 把lua的类函数扩展给node（C++对象）
	layout:extendClass(cc.GridLine);

	local vertexFormat = {};
	table.insert(vertexFormat , {size = 3 , usage = cc.VertexFormatUsage.POSITION});
	table.insert(vertexFormat , {size = 4 , usage = cc.VertexFormatUsage.COLOR});
	local vertices = ManualVertices:new(vertexFormat);
	vertices:setColor(cc.c4f(1,1,1,1));

	-- 画轴
	vertices:drawLine(cc.vec3(-100000 , 0 , 0) , cc.vec3(100000 , 0 , 0))
	vertices:drawLine(cc.vec3(0 , -100000 , 0) , cc.vec3(0 , 100000 , 0))

	local mesh = cc.Mesh:createMesh(vertexFormat , vertices:getVertexCount());
	mesh:setPrimitiveType(cc.PrimitiveType.LINES);
	mesh:setVertexData(vertices:getVertices() , 0 , vertices:getVertexCount());
	mesh:setBoundingBox(vertices:getBoundingBox());

	local model = cc.Model:create(mesh);
	local material = cc.Material:create("preload/shaders/ccDefault.material#ShaderPositionColor3D");
	material:setParameterAutoBinding("CC_MVPMatrix" , "WORLD_VIEW_PROJECTION_MATRIX");
	model:setMaterialPointer(material);
	
	local node = cc.Node3D:create();
	node:addComponent(model);

	layout:addProtectedChild(node);
end


function cc.GridLine:createNode()
	local layer = cc.Layout:create();
	cc.GridLine:extend(layer);
	return layer;
end

-- 设置默认值
function cc.GridLine:setDefaults()
    self:setSize(cc.size(100,100));
	self:setBackGroundColorType(cc.LayoutBackGroundColorType.none);
end