Project

General

Profile

Download (4.13 KB) Statistics
| Branch: | Revision:

library / src / main / java / org / distorted / library / effect / MatrixEffectQuaternion.java @ da9b3f07

1
///////////////////////////////////////////////////////////////////////////////////////////////////
2
// Copyright 2017 Leszek Koltunski                                                               //
3
//                                                                                               //
4
// This file is part of Distorted.                                                               //
5
//                                                                                               //
6
// Distorted is free software: you can redistribute it and/or modify                             //
7
// it under the terms of the GNU General Public License as published by                          //
8
// the Free Software Foundation, either version 2 of the License, or                             //
9
// (at your option) any later version.                                                           //
10
//                                                                                               //
11
// Distorted is distributed in the hope that it will be useful,                                  //
12
// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //
13
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //
14
// GNU General Public License for more details.                                                  //
15
//                                                                                               //
16
// You should have received a copy of the GNU General Public License                             //
17
// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
18
///////////////////////////////////////////////////////////////////////////////////////////////////
19

    
20
package org.distorted.library.effect;
21

    
22
import org.distorted.library.type.Data3D;
23
import org.distorted.library.type.Data4D;
24
import org.distorted.library.type.Dynamic3D;
25
import org.distorted.library.type.Dynamic4D;
26
import org.distorted.library.type.Static3D;
27
import org.distorted.library.type.Static4D;
28

    
29
///////////////////////////////////////////////////////////////////////////////////////////////////
30

    
31
public class MatrixEffectQuaternion extends MatrixEffect
32
  {
33
  private static final float[] UNITIES         = new float[]{0.0f, 0.0f, 0.0f};
34
  private static final int DIMENSION           = 4;
35
  private static final boolean SUPPORTS_CENTER = true;
36
  private static final boolean SUPPORTS_REGION = false;
37

    
38
///////////////////////////////////////////////////////////////////////////////////////////////////
39
/**
40
 * Rotates the Object by quaternion.
41
 *
42
 * @param quaternion The quaternion describing the rotation.
43
 * @param center     Coordinates of the Point we are rotating around.
44
 */
45
  public MatrixEffectQuaternion(Data4D quaternion, Data3D center )
46
    {
47
    super(EffectName.QUATERNION,DIMENSION,SUPPORTS_CENTER,SUPPORTS_REGION,UNITIES);
48

    
49
    if( quaternion instanceof Static4D)
50
      {
51
      mStatic0 = (Static4D)quaternion;
52
      }
53
    else if( quaternion instanceof Dynamic4D)
54
      {
55
      mDynamic0 = (Dynamic4D)quaternion;
56
      }
57

    
58
    if( center instanceof Static3D)
59
      {
60
      mStaticCenter = (Static3D)center;
61
      }
62
    else if( center instanceof Dynamic3D)
63
      {
64
      mDynamicCenter = (Dynamic3D)center;
65
      }
66
    }
67

    
68
///////////////////////////////////////////////////////////////////////////////////////////////////
69

    
70
  public boolean compute(float[] uniforms, int index, long currentDuration, long step )
71
    {
72
    if( mDynamicCenter!=null )
73
      {
74
      mDynamicCenter.interpolateMain(uniforms,index+4,currentDuration,step);
75
      }
76
    else
77
      {
78
      uniforms[index+4] = mStaticCenter.getX();
79
      uniforms[index+5] = mStaticCenter.getY();
80
      uniforms[index+6] = mStaticCenter.getZ();
81
      }
82

    
83
    if( mDynamic0!=null )
84
      {
85
      return mDynamic0.interpolateMain(uniforms,index,currentDuration,step);
86
      }
87
    else
88
      {
89
      uniforms[index  ] = ((Static4D)mStatic0).getX();
90
      uniforms[index+1] = ((Static4D)mStatic0).getY();
91
      uniforms[index+2] = ((Static4D)mStatic0).getZ();
92
      uniforms[index+3] = ((Static4D)mStatic0).getW();
93

    
94
      return false;
95
      }
96
    }
97
  }
(12-12/25)