When texture is saved (after click) this indicates how big the marker drawn on the click point should be.
If true meshes are culled during picking. Otherwise they are not
OptionalpickCamera FOV when rendering to gpu pick texture is usually very small. But that means that it will be difficult to see rendered objects in texture. This value will override fov on pick camera during pick operation. Only used if saveTexture is true
If true then the rendered gpu pick texture will be saved to disk. If false disables all other options.
OptionaltextureDefault texture size if very small so it is difficult to make out bojects. Setting this allows us to use bigger texture size when debuggin. Only used if saveTexture is true
Debugging options for GPU picking.