Function createVectorMesh

stackgl_modules/index.js:14237–14299

(gl, params, opts)

function createVectorMesh(gl, params, opts) {
  var shaders = opts.shaders

  if (arguments.length === 1) {
    params = gl
    gl = params.gl
  }


  var triShader       = createMeshShader(gl, shaders)
  var pickShader      = createPickShader(gl, shaders)
  var meshTexture       = createTexture(gl,
    ndarray(new Uint8Array([255,255,255,255]), [1,1,4]))
  meshTexture.generateMipmap()
  meshTexture.minFilter = gl.LINEAR_MIPMAP_LINEAR
  meshTexture.magFilter = gl.LINEAR

  var trianglePositions = createBuffer(gl)
  var triangleVectors   = createBuffer(gl)
  var triangleColors    = createBuffer(gl)
  var triangleUVs       = createBuffer(gl)
  var triangleIds       = createBuffer(gl)
  var triangleVAO       = createVAO(gl, [
    { buffer: trianglePositions,
      type: gl.FLOAT,
      size: 4
    },
    { buffer: triangleIds,
      type: gl.UNSIGNED_BYTE,
      size: 4,
      normalized: true
    },
    { buffer: triangleColors,
      type: gl.FLOAT,
      size: 4
    },
    { buffer: triangleUVs,
      type: gl.FLOAT,
      size: 2
    },
    { buffer: triangleVectors,
      type: gl.FLOAT,
      size: 4
    }
  ])

  var mesh = new VectorMesh(gl
    , meshTexture
    , triShader
    , pickShader
    , trianglePositions
    , triangleVectors
    , triangleIds
    , triangleColors
    , triangleUVs
    , triangleVAO
    , opts.traceType || 'cone'
  )