Mercurial > hg > ristipolku
annotate game/Interpolate.java @ 106:41c6cca69d60
Make new pieces appear gradually, and same effect for swapping.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 03 Mar 2011 21:21:35 +0200 |
| parents | 59ff451750fb |
| children | 4c0dec72e2f0 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 * Class for smooth non-linear interpolation between two given values in N steps | |
| 3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org> | |
| 4 */ | |
| 5 package game; | |
| 6 | |
| 7 import java.util.*; | |
| 8 | |
| 9 public class Interpolate | |
| 10 { | |
|
106
41c6cca69d60
Make new pieces appear gradually, and same effect for swapping.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
11 public float start, end, steps; |
| 1 | 12 |
| 7 | 13 public Interpolate(float start, float end, float steps) |
| 1 | 14 { |
| 15 | 15 this.start = start; |
| 16 this.end = end; | |
| 17 this.steps = steps; | |
| 1 | 18 } |
| 19 | |
| 7 | 20 public float getValue(float step) |
| 1 | 21 { |
| 15 | 22 float n = step / steps; |
| 23 float v = n * n * (3.0f - 2.0f * n); | |
| 24 return (start * v) + (end * (1.0f - v)); | |
| 1 | 25 } |
| 26 } |