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125cee3d
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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cc62b34a
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Leszek Koltunski
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// Copyright 2017 Leszek Koltunski leszek@koltunski.pl //
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125cee3d
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Leszek Koltunski
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// //
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46b572b5
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Leszek Koltunski
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// This file is part of Distorted. //
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125cee3d
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Leszek Koltunski
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// //
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cc62b34a
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Leszek Koltunski
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// This library is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU Lesser General Public //
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// License as published by the Free Software Foundation; either //
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// version 2.1 of the License, or (at your option) any later version. //
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125cee3d
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Leszek Koltunski
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// //
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cc62b34a
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Leszek Koltunski
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// This library is distributed in the hope that it will be useful, //
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125cee3d
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Leszek Koltunski
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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cc62b34a
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Leszek Koltunski
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
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// Lesser General Public License for more details. //
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125cee3d
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Leszek Koltunski
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// //
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cc62b34a
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Leszek Koltunski
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// You should have received a copy of the GNU Lesser General Public //
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// License along with this library; if not, write to the Free Software //
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA //
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125cee3d
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Leszek Koltunski
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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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b24e4719
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Leszek Koltunski
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import org.distorted.library.type.Static3D;
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125cee3d
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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faa3ff56
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Leszek Koltunski
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/**
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* Make a certain Region change its color.
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*/
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125cee3d
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Leszek Koltunski
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public class FragmentEffectChroma extends FragmentEffect
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{
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private final Data1D mBlend;
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private final Data3D mColor;
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private final Data3D mCenter;
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private final Data3D mRegion;
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a1d92a36
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leszek
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faa3ff56
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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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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mColor.get(uniforms,index+1,currentDuration,step);
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b24e4719
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Leszek Koltunski
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mCenter.get(uniforms,index+CENTER_OFFSET,currentDuration,step);
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mRegion.get(uniforms,index+REGION_OFFSET,currentDuration,step);
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faa3ff56
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Leszek Koltunski
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return mBlend.get(uniforms,index,currentDuration,step);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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125cee3d
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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6bb59aad
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Leszek Koltunski
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/**
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* Makes a certain sub-region of the Object smoothly change all three of its RGB components.
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*
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e2e92a29
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Leszek Koltunski
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* @param blend level of blend a given pixel will be mixed with the next parameter 'color':
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* pixel = (1-level)*pixel + level*color.
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6bb59aad
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Leszek Koltunski
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* Valid range: <0,1>
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* @param color Color to mix. (1,0,0) is RED.
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b24e4719
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Leszek Koltunski
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* @param center center of the Effect (point in 3D).
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* @param region Region this Effect is limited to (3 radii defining an ellipsoid).
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Leszek Koltunski
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* @param smooth If true, the level of 'blend' will smoothly fade out towards the edges of the region.
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*/
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b24e4719
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Leszek Koltunski
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public FragmentEffectChroma(Data1D blend, Data3D color, Data3D center, Data3D region, boolean smooth)
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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(smooth?EffectName.SMOOTH_CHROMA:EffectName.CHROMA);
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b24e4719
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Leszek Koltunski
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mBlend = blend;
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mColor = color;
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mCenter = center;
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dd89c7f4
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Leszek Koltunski
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mRegion = (region==null ? MAX_REGION : region);
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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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* Makes the whole Object smoothly change all three of its RGB components.
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*
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e2e92a29
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Leszek Koltunski
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* @param blend level of blend a given pixel will be mixed with the next parameter 'color':
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* pixel = (1-level)*pixel + level*color.
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6bb59aad
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Leszek Koltunski
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* Valid range: <0,1>
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* @param color Color to mix. (1,0,0) is RED.
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*/
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125cee3d
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Leszek Koltunski
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public FragmentEffectChroma(Data1D blend, Data3D color)
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{
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9d0d8530
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leszek
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super(EffectName.CHROMA);
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a1d92a36
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leszek
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mBlend = blend;
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mColor = color;
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b24e4719
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Leszek Koltunski
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mCenter = new Static3D(0,0,0);
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dd89c7f4
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Leszek Koltunski
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mRegion = MAX_REGION;
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125cee3d
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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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faa3ff56
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Leszek Koltunski
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/**
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7602a827
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Leszek Koltunski
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* Have to call this before the shaders get compiled (i.e before DistortedLibrary.onCreate()) for the Effect to work.
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faa3ff56
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Leszek Koltunski
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*/
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7cd24173
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leszek
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public static void enable()
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{
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addEffect( EffectName.CHROMA,EffectName.SMOOTH_CHROMA,
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"color.rgb = mix(color.rgb, fUniforms[effect].yzw, degree*fUniforms[effect].x);" );
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}
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125cee3d
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Leszek Koltunski
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}
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