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

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2017 Leszek Koltunski                                                               //
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//                                                                                               //
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// This file is part of Distorted.                                                               //
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//                                                                                               //
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// Distorted is free software: you can redistribute it and/or modify                             //
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// it under the terms of the GNU General Public License as published by                          //
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// the Free Software Foundation, either version 2 of the License, or                             //
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// (at your option) any later version.                                                           //
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//                                                                                               //
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// Distorted is distributed in the hope that it will be useful,                                  //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //
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// GNU General Public License for more details.                                                  //
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//                                                                                               //
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// You should have received a copy of the GNU General Public License                             //
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// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.effect;
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import org.distorted.library.type.Data1D;
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import org.distorted.library.type.Data3D;
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import org.distorted.library.type.Data4D;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Dynamic4D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class MatrixEffectRotate extends MatrixEffect
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  {
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  private static final float[] UNITIES         = new float[]{0.0f};
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  private static final int DIMENSION           = 4;
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  private static final boolean SUPPORTS_CENTER = true;
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  private static final boolean SUPPORTS_REGION = false;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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 * Rotates the Object by 'angle' degrees around the center.
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 * Static axis of rotation is given by the last parameter.
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 *
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 * @param angle  Angle that we want to rotate the Object to. Unit: degrees
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 * @param axis   Axis of rotation
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 * @param center Coordinates of the Point we are rotating around.
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 */
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  public MatrixEffectRotate(Data1D angle, Static3D axis, Data3D center)
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    {
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    super(EffectName.ROTATE,DIMENSION,SUPPORTS_CENTER,SUPPORTS_REGION,UNITIES);
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    if( angle instanceof Static1D )
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      {
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      mStatic0 = (Static1D)angle;
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      }
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    else if( angle instanceof Dynamic1D )
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      {
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      mDynamic0 = (Dynamic1D)angle;
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      }
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    mStatic1 = axis;
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    if( center instanceof Static3D)
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      {
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      mStaticCenter = (Static3D)center;
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      }
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    else if( center instanceof Dynamic3D )
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      {
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      mDynamicCenter = (Dynamic3D)center;
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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 * Rotates the Object by 'angle' degrees around the center.
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 * Here both angle and axis can dynamically change.
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 *
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 * @param angleaxis Combined 4-tuple representing the (angle,axisX,axisY,axisZ).
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 * @param center    Coordinates of the Point we are rotating around.
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 */
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  public MatrixEffectRotate(Data4D angleaxis, Data3D center)
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    {
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    super(EffectName.ROTATE,DIMENSION,SUPPORTS_CENTER,SUPPORTS_REGION,UNITIES);
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    if( angleaxis instanceof Static4D)
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      {
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      mStatic0 = (Static4D)angleaxis;
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      }
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    else if( angleaxis instanceof Dynamic4D)
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      {
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      mDynamic0 = (Dynamic4D)angleaxis;
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      }
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    if( center instanceof Static3D)
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      {
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      mStaticCenter = (Static3D)center;
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      }
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    else if( center instanceof Dynamic3D )
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      {
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      mDynamicCenter = (Dynamic3D)center;
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public boolean compute(float[] uniforms, int index, long currentDuration, long step )
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    {
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    if( mDynamicCenter!=null )
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      {
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      mDynamicCenter.interpolateMain(uniforms,index+4,currentDuration,step);
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      }
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    else
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      {
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      uniforms[index+4] = mStaticCenter.getX();
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      uniforms[index+5] = mStaticCenter.getY();
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      uniforms[index+6] = mStaticCenter.getZ();
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      }
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    if( mDynamic0!=null )
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      {
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      return mDynamic0.interpolateMain(uniforms,index,currentDuration,step);
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      }
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    else
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      {
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      if( mStatic1 != null )
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        {
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        uniforms[index  ] = ((Static1D)mStatic0).getX();
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        uniforms[index+1] = ((Static3D)mStatic1).getX();
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        uniforms[index+2] = ((Static3D)mStatic1).getY();
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        uniforms[index+3] = ((Static3D)mStatic1).getZ();
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        }
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      else
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        {
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        uniforms[index  ] = ((Static4D)mStatic0).getX();
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        uniforms[index+1] = ((Static4D)mStatic0).getY();
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        uniforms[index+2] = ((Static4D)mStatic0).getZ();
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        uniforms[index+3] = ((Static4D)mStatic0).getW();
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        }
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      return false;
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      }
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    }
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  }
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