function CylinderMesh(radius,radius2,height,slices){

创建出下面半径大小

修改第二个循环结构, 也就是柱状顶点绘制

__proto.recreateResource=function(){
		this._numberVertices=(this._slices+1+1)+(this._slices+1)*2+(this._slices+1+1);
		this._numberIndices=3 *this._slices+6 *this._slices+3 *this._slices;
		var vertexDeclaration=VertexPositionNormalTexture.vertexDeclaration;
		var vertexFloatStride=vertexDeclaration.vertexStride / 4;
		var vertices=new Float32Array(this._numberVertices *vertexFloatStride);
		var indices=new Uint16Array(this._numberIndices);
		var sliceAngle=(Math.PI *2.0)/ this._slices;
		var halfHeight=this._height / 2;
		var curAngle=0;
		var verticeCount=0;
		var posX=0;
		var posY=0;
		var posZ=0;
		var vc=0;
		var ic=0;
		for (var tv=0;tv <=this._slices;tv++){
			if (tv===0){
				vertices[vc++]=0;
				vertices[vc++]=halfHeight;
				vertices[vc++]=0;
				vertices[vc++]=0;
				vertices[vc++]=1;
				vertices[vc++]=0;
				vertices[vc++]=0.5;
				vertices[vc++]=0.5;
			}
			curAngle=tv *sliceAngle;
			posX=Math.cos(curAngle)*this._radius;
			posY=halfHeight;
			posZ=Math.sin(curAngle)*this._radius;
			vertices[vc++]=posX;
			vertices[vc++]=posY;
			vertices[vc++]=posZ;
			vertices[vc++]=0;
			vertices[vc++]=1;
			vertices[vc++]=0;
			vertices[vc++]=0.5+Math.cos(curAngle)*0.5;
			vertices[vc++]=0.5+Math.sin(curAngle)*0.5;
		}
		for (var ti=0;ti < this._slices;ti++){
			indices[ic++]=0;
			indices[ic++]=ti+1;
			indices[ic++]=ti+2;
		}
		verticeCount+=this._slices+1+1;
		for (var rv=0;rv <=this._slices;rv++){
			var Cos = Math.cos(curAngle+Math.PI);
			var Sin = Math.sin(curAngle+Math.PI);
			curAngle=rv *sliceAngle;
			posX=Cos*this._radius;
			posY=halfHeight;
			posZ=Sin*this._radius;
			posX2 = Cos*this._radius2;
			posZ2 = Sin*this._radius2;
			vertices[vc++]=posX;
			vertices[vc+(this._slices+1)*8-1]=posX2;
			vertices[vc++]=posY;
			vertices[vc+(this._slices+1)*8-1]=-posY;
			vertices[vc++]=posZ;
			vertices[vc+(this._slices+1)*8-1]=posZ2;
			vertices[vc++]=posX2;
			vertices[vc+(this._slices+1)*8-1]=posX;
			vertices[vc++]=0;
			vertices[vc+(this._slices+1)*8-1]=0;
			vertices[vc++]=posZ2;
			vertices[vc+(this._slices+1)*8-1]=posZ;
			vertices[vc++]=1-rv *1 / this._slices;
			vertices[vc+(this._slices+1)*8-1]=1-rv *1 / this._slices;
			vertices[vc++]=0;
			vertices[vc+(this._slices+1)*8-1]=1;
			// console.log(posY);//(curAngle/Math.PI*180);
		}
		vc+=(this._slices+1)*8;
		for (var ri=0;ri < this._slices;ri++){
			indices[ic++]=ri+verticeCount+(this._slices+1);
			indices[ic++]=ri+verticeCount+1;
			indices[ic++]=ri+verticeCount;
			indices[ic++]=ri+verticeCount+(this._slices+1);
			indices[ic++]=ri+verticeCount+(this._slices+1)+1;
			indices[ic++]=ri+verticeCount+1;
		}
		verticeCount+=2 *(this._slices+1);
		for (var bv=0;bv <=this._slices;bv++){
			if (bv===0){
				vertices[vc++]=0;
				vertices[vc++]=-halfHeight;
				vertices[vc++]=0;
				vertices[vc++]=0;
				vertices[vc++]=-1;
				vertices[vc++]=0;
				vertices[vc++]=0.5;
				vertices[vc++]=0.5;
			}
			curAngle=bv *sliceAngle;
			posX=Math.cos(curAngle+Math.PI)*this._radius;
			posY=-halfHeight;
			posZ=Math.sin(curAngle+Math.PI)*this._radius;
			vertices[vc++]=posX;
			vertices[vc++]=posY;
			vertices[vc++]=posZ;
			vertices[vc++]=0;
			vertices[vc++]=-1;
			vertices[vc++]=0;
			vertices[vc++]=0.5+Math.cos(curAngle)*0.5;
			vertices[vc++]=0.5+Math.sin(curAngle)*0.5;
		}
		for (var bi=0;bi < this._slices;bi++){
			indices[ic++]=0+verticeCount;
			indices[ic++]=bi+2+verticeCount;
			indices[ic++]=bi+1+verticeCount;
		}
		verticeCount+=this._slices+1+1;
		this._vertexBuffer=new VertexBuffer3D(vertexDeclaration,this._numberVertices,/*laya.webgl.WebGLContext.STATIC_DRAW*/0x88E4,true);
		this._indexBuffer=new IndexBuffer3D(/*laya.d3.graphics.IndexBuffer3D.INDEXTYPE_USHORT*/"ushort",this._numberIndices,/*laya.webgl.WebGLContext.STATIC_DRAW*/0x88E4,true);
		this._vertexBuffer.setData(vertices);
		this._indexBuffer.setData(indices);
		this.memorySize=(this._vertexBuffer._byteLength+this._indexBuffer._byteLength)*2;
		this.completeCreate();
	}