public void FillCircle(float x, float y, float radius, VertigoMaterial material = null)
{
material = material ?? fillMaterial;
int pathId = shapeGenerator.Circle(x, y, radius);
geometryGenerator.Fill(shapeGenerator, new RangeInt(pathId, 1), defaultShapeMode, geometryCache);
batcher.AddDrawCall(geometryCache, new RangeInt(geometryCache.shapeCount - 1, 1), material, renderState);
}