//mutate model
public void mutate(IFormConfiguration formConfig, ColourConfiguration colourConfig)
{
//if we are receiving null configs then this is rendering on scene and not current brush
//so use local configs
if (formConfig == null)
{
formConfig = localFormConfig;
}
if (colourConfig == null)
{
colourConfig = localColourConfig;
}
//increment colour once for each trunk
colourConfig.incrementDisplayColour();
//increment pulse once for each trunk
colourConfig.incrementPulseCount();
FormProcessor formProcessor = formConfig.getFormProcessor();
formBounds = new FormBounds(formConfig.getStartPosition());
formProcessor.mutateTrunk(branches, formBounds, formConfig, colourConfig);
}