Fall 2018, Test 1
varv vBuffer = gl.createBuffer(); gl.bindBuffer(gl.ARRAY_BUFFER, vBuffer); gl.bufferData(gl.ARRAY_BUFFER,flatten(vertex),gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, this.vBC); gl.bufferData(gl.ARRAY_BUFFER,flatten(this.bc),gl.DYNAMIC_DRAW);