| CurveRange | 
| A | |
| B | 
| Evaluate | |
| EvaluateDelta | 
| DrawArea | Draw curve. start and end should be specified in normalized time space, ie 0-1, not range.x-range.y | 
| DrawLine | Draw curve. start and end should be specified in normalized time space, ie 0-1, not range.x-range.y |