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125cee3d
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Leszek Koltunski
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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.Data3D;
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import org.distorted.library.type.Data4D;
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import org.distorted.library.type.Data5D;
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15aa7d94
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Leszek Koltunski
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Dynamic4D;
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125cee3d
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Leszek Koltunski
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import org.distorted.library.type.Dynamic5D;
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15aa7d94
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Leszek Koltunski
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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125cee3d
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Leszek Koltunski
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import org.distorted.library.type.Static5D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class VertexEffectWave extends VertexEffect
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{
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///////////////////////////////////////////////////////////////////////////////////////////////////
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6bb59aad
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Leszek Koltunski
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/**
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* Directional, sinusoidal wave effect.
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*
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* @param wave A 5-dimensional data structure describing the wave: first member is the amplitude,
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* second is the wave length, third is the phase (i.e. when phase = PI/2, the sine
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* wave at the center does not start from sin(0), but from sin(PI/2) ) and the next two
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* describe the 'direction' of the wave.
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* <p>
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* Wave direction is defined to be a 3D vector of length 1. To define such vectors, we
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* need 2 floats: thus the third member is the angle Alpha (in degrees) which the vector
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* forms with the XY-plane, and the fourth is the angle Beta (again in degrees) which
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* the projection of the vector to the XY-plane forms with the Y-axis (counterclockwise).
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* <p>
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* <p>
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* Example1: if Alpha = 90, Beta = 90, (then V=(0,0,1) ) and the wave acts 'vertically'
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* in the X-direction, i.e. cross-sections of the resulting surface with the XZ-plane
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* will be sine shapes.
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* <p>
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* Example2: if Alpha = 90, Beta = 0, the again V=(0,0,1) and the wave is 'vertical',
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* but this time it waves in the Y-direction, i.e. cross sections of the surface and the
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* YZ-plane with be sine shapes.
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* <p>
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* Example3: if Alpha = 0 and Beta = 45, then V=(sqrt(2)/2, -sqrt(2)/2, 0) and the wave
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* is entirely 'horizontal' and moves point (x,y,0) in direction V by whatever is the
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* value if sin at this point.
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect.
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*/
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public VertexEffectWave(Data5D wave, Data3D center)
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125cee3d
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Leszek Koltunski
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{
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9d0d8530
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leszek
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super(EffectName.WAVE);
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125cee3d
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Leszek Koltunski
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if( wave instanceof Dynamic5D)
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{
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mDynamic0 = (Dynamic5D)wave;
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}
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else if ( wave instanceof Static5D)
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{
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mStatic0 = (Static5D)wave;
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}
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15aa7d94
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Leszek Koltunski
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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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6bb59aad
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Leszek Koltunski
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else if( center instanceof Dynamic3D )
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15aa7d94
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Leszek Koltunski
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{
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mDynamicCenter = (Dynamic3D)center;
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}
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6bb59aad
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Leszek Koltunski
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mStaticRegion = new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE);
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125cee3d
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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6bb59aad
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Leszek Koltunski
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/**
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* Directional, sinusoidal wave effect.
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*
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* @param wave see {@link VertexEffectWave(Data5D,Data3D)}
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* @param center 3-dimensional Data that, at any given time, returns the Center of the Effect.
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* @param region Region that masks the Effect.
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*/
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public VertexEffectWave(Data5D wave, Data3D center, Data4D region)
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125cee3d
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Leszek Koltunski
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{
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9d0d8530
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leszek
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super(EffectName.WAVE);
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125cee3d
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Leszek Koltunski
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if( wave instanceof Dynamic5D)
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{
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mDynamic0 = (Dynamic5D)wave;
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}
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else if ( wave instanceof Static5D)
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{
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mStatic0 = (Static5D)wave;
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}
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15aa7d94
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Leszek Koltunski
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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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6bb59aad
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Leszek Koltunski
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else if( center instanceof Dynamic3D)
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15aa7d94
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Leszek Koltunski
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{
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mDynamicCenter = (Dynamic3D)center;
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}
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7625e47e
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leszek
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if( region == null )
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6bb59aad
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Leszek Koltunski
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{
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7625e47e
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leszek
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mStaticRegion = new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE);
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6bb59aad
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Leszek Koltunski
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}
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7625e47e
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leszek
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else
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6bb59aad
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Leszek Koltunski
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{
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7625e47e
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leszek
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if (region instanceof Static4D)
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{
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mStaticRegion = (Static4D) region;
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}
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else if (region instanceof Dynamic4D)
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{
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mDynamicRegion = (Dynamic4D) region;
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}
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6bb59aad
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Leszek Koltunski
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}
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15aa7d94
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Leszek Koltunski
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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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boolean ret = false;
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if( mDynamicCenter!=null )
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{
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a1d92a36
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leszek
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mDynamicCenter.get(uniforms,index+5,currentDuration,step);
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15aa7d94
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Leszek Koltunski
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}
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else
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{
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uniforms[index+5] = mStaticCenter.getX();
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uniforms[index+6] = mStaticCenter.getY();
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uniforms[index+7] = mStaticCenter.getZ();
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}
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if( mDynamicRegion!=null )
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{
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a1d92a36
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leszek
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mDynamicRegion.get(uniforms,index+8,currentDuration,step);
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15aa7d94
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Leszek Koltunski
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}
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else
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{
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uniforms[index+ 8] = mStaticRegion.getX();
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uniforms[index+ 9] = mStaticRegion.getY();
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uniforms[index+10] = mStaticRegion.getZ();
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uniforms[index+11] = mStaticRegion.getW();
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}
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if( mDynamic0!=null )
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{
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a1d92a36
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leszek
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ret = mDynamic0.get(uniforms,index,currentDuration,step);
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15aa7d94
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Leszek Koltunski
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}
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else
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{
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uniforms[index ] = ((Static5D)mStatic0).getX();
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uniforms[index+1] = ((Static5D)mStatic0).getY();
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uniforms[index+2] = ((Static5D)mStatic0).getZ();
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uniforms[index+3] = ((Static5D)mStatic0).getW();
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uniforms[index+4] = ((Static5D)mStatic0).getV();
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}
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uniforms[index+2] = (float)(Math.PI*uniforms[index+2]/180);
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uniforms[index+3] = (float)(Math.PI*uniforms[index+3]/180);
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uniforms[index+4] = (float)(Math.PI*uniforms[index+4]/180);
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82d6f93a
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Leszek Koltunski
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uniforms[index+9] =-uniforms[index+9];
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15aa7d94
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Leszek Koltunski
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return ret;
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125cee3d
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Leszek Koltunski
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}
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}
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