func (rr *Range32) SetMax(max float32) {
	rr.FixMax = true
	rr.Max = max
}
SetMax sets a fixed max value
package minmax
type Range32 struct {
	F32    `desc:"Min and Max range values"`
	FixMin bool `desc:"fix the minimum end of the range"`
	FixMax bool `desc:"fix the maximum end of the range"`
}
func (rr *Range32) SetMin(min float32) {
	rr.FixMin = true
	rr.Min = min
}