Distorted Android

  VERTEX_SCALE     ( EffectType.VERTEX  ,   new float[] {1.0f,1.0f,1.0f} , 3, 0,     0    , VertexEffectScale.class        ),

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2020 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.library.effect;

import org.distorted.library.type.Data3D;

import org.distorted.library.type.Static3D;

///////////////////////////////////////////////////////////////////////////////////////////////////

/**

 * Scale the Mesh by 3D scale factors.

 */

public class VertexEffectScale extends VertexEffect

  {

  private Data3D mScale;

///////////////////////////////////////////////////////////////////////////////////////////////////

/**

 * Only for use by the library itself.

 *

 * @y.exclude

 */

  public boolean compute(float[] uniforms, int index, long currentDuration, long step )

    {

    return mScale.get(uniforms,index,currentDuration,step);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// PUBLIC API

///////////////////////////////////////////////////////////////////////////////////////////////////

/**

 * Have to call this before the shaders get compiled (i.e before DistortedLibrary.onCreate()) for the Effect to work.

 */

  public static void enable()

    {

    addEffect( EffectName.VERTEX_SCALE, "v *= vUniforms[effect].xyz;" );

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

/**

 * Scale the Mesh by 3D scale factors.

 *

 * @param scale current x- , y- and z- scale factors.

 */

  public VertexEffectScale(Data3D scale)

    {

    super(EffectName.VERTEX_SCALE);

    mScale = scale;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

/**

 * Scale the Mesh by 3D scale factors.

 *

 * @param scale Common x,y, and z scale factor.

 */

  public VertexEffectScale(float scale)

    {

    super(EffectName.VERTEX_SCALE);

    mScale = new Static3D(scale,scale,scale);

    }

  }