WebGLCustomLayerDraw

绘制指令

interface WebGLCustomLayerDraw {
    count?: number;
    first?: number;
    mode?:
        | "POINTS"
        | "LINES"
        | "LINE_LOOP"
        | "LINE_STRIP"
        | "TRIANGLES"
        | "TRIANGLE_STRIP"
        | "TRIANGLE_FAN";
    offset?: number;
}

属性

#count?: number

顶点数（设了 indices 则是索引数），省略时按属性数据自动推断

#first?: number

drawArrays 的起始顶点

图元类型，默认值：'TRIANGLES'

#offset?: number

drawElements 的起始索引