Function renderPick

stackgl_modules/index.js:18881–18910

()

  //Render the scene for mouse picking
  function renderPick() {
    if(checkContextLoss()) {
      return
    }

    gl.colorMask(true, true, true, true)
    gl.depthMask(true)
    gl.disable(gl.BLEND)
    gl.enable(gl.DEPTH_TEST)
    gl.depthFunc(gl.LEQUAL)

    var numObjs = objects.length
    var numPick = pickBuffers.length
    for(var j=0; j<numPick; ++j) {
      var buf = pickBuffers[j]
      buf.shape = pickShape
      buf.begin()
      for(var i=0; i<numObjs; ++i) {
        if(pickBufferIds[i] !== j) {
          continue
        }
        var obj = objects[i]
        if(obj.drawPick) {
          obj.pixelRatio = 1
          obj.drawPick(cameraParams)
        }
      }
      buf.end()
    }
  }

  var nBounds = [
    [ Infinity, Infinity, Infinity],