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7edab735
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube 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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// Magic Cube 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 Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.meshfile;
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1b85f172
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Leszek Koltunski
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import org.distorted.library.effect.MatrixEffect;
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import org.distorted.library.effect.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectQuaternion;
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import org.distorted.library.effect.MatrixEffectScale;
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7edab735
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Leszek Koltunski
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import org.distorted.library.effect.VertexEffect;
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import org.distorted.library.effect.VertexEffectDeform;
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import org.distorted.library.mesh.MeshBase;
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import org.distorted.library.mesh.MeshJoined;
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import org.distorted.library.mesh.MeshPolygon;
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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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33647db9
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Leszek Koltunski
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import java.util.ArrayList;
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7edab735
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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55f20739
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Leszek Koltunski
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class FactoryCubit
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7edab735
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Leszek Koltunski
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{
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33647db9
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Leszek Koltunski
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private static final float[] mBuffer = new float[3];
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private static final float[] mQuat1 = new float[4];
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private static final float[] mQuat2 = new float[4];
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private static final float[] mQuat3 = new float[4];
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6d020cb6
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Leszek Koltunski
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7edab735
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Leszek Koltunski
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private static final Static1D RADIUS = new Static1D(1);
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55f20739
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Leszek Koltunski
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private static FactoryCubit mThis;
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7edab735
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Leszek Koltunski
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1b85f172
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Leszek Koltunski
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private static class StickerInfo
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33647db9
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Leszek Koltunski
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{
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float[] vertices;
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1b85f172
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Leszek Koltunski
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}
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private static class FaceInfo
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{
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int sticker;
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33647db9
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Leszek Koltunski
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float vx,vy,vz;
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float scale;
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float qx,qy,qz,qw;
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boolean flip;
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}
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1b85f172
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Leszek Koltunski
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private static final ArrayList<FaceInfo> mFaceInfo = new ArrayList<>();
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private static final ArrayList<StickerInfo> mStickerInfo = new ArrayList<>();
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33647db9
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Leszek Koltunski
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7edab735
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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55f20739
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Leszek Koltunski
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private FactoryCubit()
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7edab735
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Leszek Koltunski
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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55f20739
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public static FactoryCubit getInstance()
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7edab735
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Leszek Koltunski
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{
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55f20739
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Leszek Koltunski
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if( mThis==null ) mThis = new FactoryCubit();
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7edab735
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Leszek Koltunski
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return mThis;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// H - height of the band in the middle
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// alpha - angle of the edge [0,90]
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// dist - often in a polygon the distance from edge to center is not 1, but something else.
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// This is the distance.
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// K - where to begin the second, much more flat part of the band. [0,1]
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// N - number of bands. N>=3
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//
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// theory: two distinct parts to the band:
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// 1) (0,B) - steep
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// 2) (B,1) - flat
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//
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// In first part, we have y = g(x) ; in second - y = g(f(x)) where
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//
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// g(x) = sqrt( R^2 - (x-D)^2 ) - R*cos(alpha)
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// f(x) = ((D-B)/(1-B)*x + B*(1-D)/(1-B)
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// h(x) = R*(sin(alpha) - sin(x))
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// R = H/(1-cos(alpha))
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// D = H*sin(alpha)
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// B = h(K*alpha)
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//
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// The N points are taken at:
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//
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// 1) in the second part, there are K2 = (N-3)/3 such points
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// 2) in the first - K1 = (N-3) - K2
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// 3) also, the 3 points 0,B,1
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//
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// so we have the sequence A[i] of N points
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//
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// 0
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// h((i+1)*(1-K)*alpha/(K1+1)) (i=0,1,...,K1-1)
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// B
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// (1-B)*(i+1)/(K2+1) + B (i=0,i,...,K2-1)
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// 1
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private float f(float D, float B, float x)
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{
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return ((D-B)*x + B*(1-D))/(1-B);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private float g(float R, float D, float x, float cosAlpha)
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{
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float d = x-D;
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return (float)(Math.sqrt(R*R-d*d)-R*cosAlpha);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private float h(float R, float sinAlpha, float x)
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{
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return R*(sinAlpha-(float)Math.sin(x));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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55f20739
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Leszek Koltunski
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float[] computeBands(float H, int alpha, float dist, float K, int N)
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7edab735
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Leszek Koltunski
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{
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float[] bands = new float[2*N];
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bands[0] = 1.0f;
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bands[1] = 0.0f;
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float beta = (float)Math.atan(dist*Math.tan(Math.PI*alpha/180));
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float sinBeta = (float)Math.sin(beta);
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float cosBeta = (float)Math.cos(beta);
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float R = cosBeta<1.0f ? H/(1.0f-cosBeta) : 0.0f;
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float D = R*sinBeta;
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float B = h(R,sinBeta,K*beta);
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if( D>1.0f )
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{
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for(int i=1; i<N; i++)
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{
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bands[2*i ] = (float)(N-1-i)/(N-1);
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bands[2*i+1] = H*(1-bands[2*i]);
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}
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}
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else
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{
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55f20739
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Leszek Koltunski
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int K2 = (int)((N-3)*K);
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7edab735
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Leszek Koltunski
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int K1 = (N-3)-K2;
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for(int i=0; i<=K1; i++)
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{
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float angle = K*beta + (1-K)*beta*(K1-i)/(K1+1);
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float x = h(R,sinBeta,angle);
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bands[2*i+2] = 1.0f - x;
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bands[2*i+3] = g(R,D,x,cosBeta);
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}
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for(int i=0; i<=K2; i++)
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{
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float x = (1-B)*(i+1)/(K2+1) + B;
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bands[2*K1+2 + 2*i+2] = 1.0f - x;
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bands[2*K1+2 + 2*i+3] = g(R,D,f(D,B,x),cosBeta);
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}
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}
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55f20739
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Leszek Koltunski
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bands[2*N-2] = 0.0f;
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bands[2*N-1] = H;
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7edab735
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Leszek Koltunski
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return bands;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void roundCorners(MeshBase mesh, Static3D center, Static3D[] vertices, float strength, float regionRadius)
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{
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1b85f172
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Leszek Koltunski
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Static4D region= new Static4D(0,0,0,regionRadius);
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7edab735
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Leszek Koltunski
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float centX = center.get0();
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float centY = center.get1();
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float centZ = center.get2();
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for (Static3D vertex : vertices)
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{
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float x = strength*(centX - vertex.get0());
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float y = strength*(centY - vertex.get1());
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float z = strength*(centZ - vertex.get2());
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1b85f172
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Leszek Koltunski
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VertexEffect effect = new VertexEffectDeform(new Static3D(x,y,z), RADIUS, vertex, region);
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7edab735
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Leszek Koltunski
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mesh.apply(effect);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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33647db9
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Leszek Koltunski
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private boolean areColinear(float[][] vertices, int index1, int index2, int index3)
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7edab735
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Leszek Koltunski
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{
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33647db9
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Leszek Koltunski
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float x1 = vertices[index1][0];
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float y1 = vertices[index1][1];
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float z1 = vertices[index1][2];
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float x2 = vertices[index2][0];
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float y2 = vertices[index2][1];
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float z2 = vertices[index2][2];
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float x3 = vertices[index3][0];
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float y3 = vertices[index3][1];
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float z3 = vertices[index3][2];
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7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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float v1x = x2-x1;
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float v1y = y2-y1;
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float v1z = z2-z1;
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float v2x = x3-x1;
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float v2y = y3-y1;
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float v2z = z3-z1;
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7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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float A = (float)Math.sqrt( (v1x*v1x+v1y*v1y+v1z*v1z) / (v2x*v2x+v2y*v2y+v2z*v2z) );
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7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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return (v1x==A*v2x && v1y==A*v2y && v1z==A*v2z);
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7edab735
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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33647db9
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Leszek Koltunski
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private void computeNormalVector(float[][] vertices, int index1, int index2, int index3)
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7edab735
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Leszek Koltunski
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{
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242 |
33647db9
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Leszek Koltunski
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float x1 = vertices[index1][0];
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float y1 = vertices[index1][1];
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float z1 = vertices[index1][2];
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float x2 = vertices[index2][0];
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float y2 = vertices[index2][1];
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float z2 = vertices[index2][2];
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float x3 = vertices[index3][0];
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float y3 = vertices[index3][1];
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float z3 = vertices[index3][2];
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7edab735
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Leszek Koltunski
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252 |
33647db9
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Leszek Koltunski
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float v1x = x2-x1;
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float v1y = y2-y1;
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float v1z = z2-z1;
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float v2x = x3-x1;
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float v2y = y3-y1;
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float v2z = z3-z1;
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7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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mBuffer[0] = v1y*v2z - v2y*v1z;
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mBuffer[1] = v1z*v2x - v2z*v1x;
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mBuffer[2] = v1x*v2y - v2x*v1y;
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ef231eba
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Leszek Koltunski
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140f2c4e
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Leszek Koltunski
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float len = mBuffer[0]*mBuffer[0] + mBuffer[1]*mBuffer[1] + mBuffer[2]*mBuffer[2];
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len = (float)Math.sqrt(len);
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mBuffer[0] /= len;
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mBuffer[1] /= len;
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mBuffer[2] /= len;
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268 |
7edab735
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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271 |
33647db9
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Leszek Koltunski
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// return quat1*quat2
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272 |
7edab735
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Leszek Koltunski
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273 |
33647db9
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Leszek Koltunski
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private static void quatMultiply( float[] quat1, float[] quat2, float[] result )
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7edab735
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Leszek Koltunski
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{
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33647db9
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Leszek Koltunski
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float qx = quat1[0];
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float qy = quat1[1];
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float qz = quat1[2];
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float qw = quat1[3];
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279 |
7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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float rx = quat2[0];
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float ry = quat2[1];
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float rz = quat2[2];
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float rw = quat2[3];
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284 |
7edab735
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Leszek Koltunski
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33647db9
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Leszek Koltunski
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result[0] = rw*qx - rz*qy + ry*qz + rx*qw;
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result[1] = rw*qy + rz*qx + ry*qw - rx*qz;
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result[2] = rw*qz + rz*qw - ry*qx + rx*qy;
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result[3] = rw*qw - rz*qz - ry*qy - rx*qx;
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289 |
7edab735
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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292 |
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293 |
33647db9
|
Leszek Koltunski
|
private void fitInSquare(FaceInfo info, float[][] vert3D)
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294 |
7edab735
|
Leszek Koltunski
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{
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295 |
33647db9
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Leszek Koltunski
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float minX = Float.MAX_VALUE;
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float maxX =-Float.MAX_VALUE;
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float minY = Float.MAX_VALUE;
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float maxY =-Float.MAX_VALUE;
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299 |
55f20739
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Leszek Koltunski
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300 |
33647db9
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Leszek Koltunski
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for (float[] vert : vert3D)
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{
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float x = vert[0];
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float y = vert[1];
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304 |
55f20739
|
Leszek Koltunski
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305 |
33647db9
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Leszek Koltunski
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if (x > maxX) maxX = x;
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if (x < minX) minX = x;
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|
|
if (y > maxY) maxY = y;
|
308 |
|
|
if (y < minY) minY = y;
|
309 |
|
|
}
|
310 |
55f20739
|
Leszek Koltunski
|
|
311 |
33647db9
|
Leszek Koltunski
|
info.scale = Math.max(maxX-minX,maxY-minY);
|
312 |
ef231eba
|
Leszek Koltunski
|
|
313 |
33647db9
|
Leszek Koltunski
|
int len = vert3D.length;
|
314 |
1b85f172
|
Leszek Koltunski
|
StickerInfo sInfo = new StickerInfo();
|
315 |
|
|
sInfo.vertices = new float[2*len];
|
316 |
55f20739
|
Leszek Koltunski
|
|
317 |
33647db9
|
Leszek Koltunski
|
for( int vertex=0; vertex<len; vertex++ )
|
318 |
55f20739
|
Leszek Koltunski
|
{
|
319 |
1b85f172
|
Leszek Koltunski
|
sInfo.vertices[2*vertex ] = vert3D[vertex][0] / info.scale;
|
320 |
|
|
sInfo.vertices[2*vertex+1] = vert3D[vertex][1] / info.scale;
|
321 |
55f20739
|
Leszek Koltunski
|
}
|
322 |
|
|
|
323 |
28f4aba0
|
Leszek Koltunski
|
mStickerInfo.add(sInfo);
|
324 |
|
|
|
325 |
|
|
info.sticker = mStickerInfo.size() -1;
|
326 |
33647db9
|
Leszek Koltunski
|
info.flip = false;
|
327 |
55f20739
|
Leszek Koltunski
|
}
|
328 |
|
|
|
329 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
330 |
|
|
|
331 |
33647db9
|
Leszek Koltunski
|
private void constructNew(FaceInfo info, final float[][] vert3D)
|
332 |
55f20739
|
Leszek Koltunski
|
{
|
333 |
33647db9
|
Leszek Koltunski
|
// compute center of gravity
|
334 |
|
|
info.vx = 0.0f;
|
335 |
|
|
info.vy = 0.0f;
|
336 |
|
|
info.vz = 0.0f;
|
337 |
|
|
int len = vert3D.length;
|
338 |
55f20739
|
Leszek Koltunski
|
|
339 |
33647db9
|
Leszek Koltunski
|
for (float[] vert : vert3D)
|
340 |
55f20739
|
Leszek Koltunski
|
{
|
341 |
33647db9
|
Leszek Koltunski
|
info.vx += vert[0];
|
342 |
|
|
info.vy += vert[1];
|
343 |
|
|
info.vz += vert[2];
|
344 |
55f20739
|
Leszek Koltunski
|
}
|
345 |
|
|
|
346 |
33647db9
|
Leszek Koltunski
|
info.vx /= len;
|
347 |
|
|
info.vy /= len;
|
348 |
|
|
info.vz /= len;
|
349 |
55f20739
|
Leszek Koltunski
|
|
350 |
33647db9
|
Leszek Koltunski
|
// move all vertices so that their center of gravity is at (0,0,0)
|
351 |
|
|
for (int i=0; i<len; i++)
|
352 |
7cd30f7c
|
Leszek Koltunski
|
{
|
353 |
33647db9
|
Leszek Koltunski
|
vert3D[i][0] -= info.vx;
|
354 |
|
|
vert3D[i][1] -= info.vy;
|
355 |
|
|
vert3D[i][2] -= info.vz;
|
356 |
7cd30f7c
|
Leszek Koltunski
|
}
|
357 |
|
|
|
358 |
33647db9
|
Leszek Koltunski
|
// find 3 non-colinear vertices
|
359 |
|
|
int foundIndex = -1;
|
360 |
7cd30f7c
|
Leszek Koltunski
|
|
361 |
33647db9
|
Leszek Koltunski
|
for(int vertex=2; vertex<len; vertex++)
|
362 |
7cd30f7c
|
Leszek Koltunski
|
{
|
363 |
33647db9
|
Leszek Koltunski
|
if( !areColinear(vert3D,0,1,vertex) )
|
364 |
|
|
{
|
365 |
|
|
foundIndex = vertex;
|
366 |
|
|
break;
|
367 |
|
|
}
|
368 |
7cd30f7c
|
Leszek Koltunski
|
}
|
369 |
|
|
|
370 |
33647db9
|
Leszek Koltunski
|
// compute the normal vector
|
371 |
|
|
if( foundIndex==-1 )
|
372 |
|
|
{
|
373 |
|
|
throw new RuntimeException("all vertices colinear");
|
374 |
|
|
}
|
375 |
7cd30f7c
|
Leszek Koltunski
|
|
376 |
33647db9
|
Leszek Koltunski
|
computeNormalVector(vert3D,0,1,foundIndex);
|
377 |
|
|
|
378 |
140f2c4e
|
Leszek Koltunski
|
// rotate so that the normal vector becomes (0,0,1)
|
379 |
|
|
float axisX, axisY, axisZ;
|
380 |
|
|
|
381 |
ef231eba
|
Leszek Koltunski
|
if( mBuffer[0]!=0.0f || mBuffer[1]!=0.0f )
|
382 |
33647db9
|
Leszek Koltunski
|
{
|
383 |
140f2c4e
|
Leszek Koltunski
|
axisX = -mBuffer[1];
|
384 |
|
|
axisY = mBuffer[0];
|
385 |
|
|
axisZ = 0.0f;
|
386 |
ef231eba
|
Leszek Koltunski
|
|
387 |
28f4aba0
|
Leszek Koltunski
|
float axiLen = axisX*axisX + axisY*axisY;
|
388 |
ef231eba
|
Leszek Koltunski
|
axiLen = (float)Math.sqrt(axiLen);
|
389 |
|
|
axisX /= axiLen;
|
390 |
|
|
axisY /= axiLen;
|
391 |
|
|
axisZ /= axiLen;
|
392 |
140f2c4e
|
Leszek Koltunski
|
}
|
393 |
|
|
else
|
394 |
|
|
{
|
395 |
|
|
axisX = 0.0f;
|
396 |
|
|
axisY = 1.0f;
|
397 |
|
|
axisZ = 0.0f;
|
398 |
|
|
}
|
399 |
ef231eba
|
Leszek Koltunski
|
|
400 |
140f2c4e
|
Leszek Koltunski
|
float cosTheta = mBuffer[2];
|
401 |
|
|
float sinHalfTheta = (float)Math.sqrt(0.5f*(1-cosTheta));
|
402 |
|
|
float cosHalfTheta = (float)Math.sqrt(0.5f*(1+cosTheta));
|
403 |
ef231eba
|
Leszek Koltunski
|
|
404 |
140f2c4e
|
Leszek Koltunski
|
mQuat1[0] = axisX*sinHalfTheta;
|
405 |
|
|
mQuat1[1] = axisY*sinHalfTheta;
|
406 |
|
|
mQuat1[2] = axisZ*sinHalfTheta;
|
407 |
|
|
mQuat1[3] = cosHalfTheta;
|
408 |
28f4aba0
|
Leszek Koltunski
|
mQuat2[0] =-axisX*sinHalfTheta;
|
409 |
|
|
mQuat2[1] =-axisY*sinHalfTheta;
|
410 |
|
|
mQuat2[2] =-axisZ*sinHalfTheta;
|
411 |
|
|
mQuat2[3] = cosHalfTheta;
|
412 |
ef231eba
|
Leszek Koltunski
|
|
413 |
140f2c4e
|
Leszek Koltunski
|
for (float[] vert : vert3D)
|
414 |
|
|
{
|
415 |
28f4aba0
|
Leszek Koltunski
|
quatMultiply(mQuat1, vert , mQuat3);
|
416 |
|
|
quatMultiply(mQuat3, mQuat2, vert );
|
417 |
33647db9
|
Leszek Koltunski
|
}
|
418 |
7cd30f7c
|
Leszek Koltunski
|
|
419 |
33647db9
|
Leszek Koltunski
|
// fit the whole thing in a square and remember the scale & 2D vertices
|
420 |
|
|
fitInSquare(info, vert3D);
|
421 |
7cd30f7c
|
Leszek Koltunski
|
|
422 |
33647db9
|
Leszek Koltunski
|
// remember the rotation
|
423 |
28f4aba0
|
Leszek Koltunski
|
info.qx =-mQuat1[0];
|
424 |
|
|
info.qy =-mQuat1[1];
|
425 |
|
|
info.qz =-mQuat1[2];
|
426 |
|
|
info.qw = mQuat1[3];
|
427 |
7cd30f7c
|
Leszek Koltunski
|
}
|
428 |
|
|
|
429 |
fe032f52
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
430 |
|
|
|
431 |
33647db9
|
Leszek Koltunski
|
private float computeCos(float x1, float y1, float x2, float y2, float len1, float len2)
|
432 |
fe032f52
|
Leszek Koltunski
|
{
|
433 |
28f4aba0
|
Leszek Koltunski
|
float ret = (x1*x2+y1*y2) / (len1*len2);
|
434 |
|
|
|
435 |
|
|
if( ret> 1.0f ) return 1.0f;
|
436 |
|
|
if( ret<-1.0f ) return -1.0f;
|
437 |
|
|
|
438 |
|
|
return ret;
|
439 |
fe032f52
|
Leszek Koltunski
|
}
|
440 |
|
|
|
441 |
b3d28a81
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
442 |
33647db9
|
Leszek Koltunski
|
// sin of (signed!) angle between vectors (x1,y1) and (x2,y2), counterclockwise!
|
443 |
b3d28a81
|
Leszek Koltunski
|
|
444 |
33647db9
|
Leszek Koltunski
|
private float computeSin(float x1, float y1, float x2, float y2, float len1, float len2)
|
445 |
b3d28a81
|
Leszek Koltunski
|
{
|
446 |
28f4aba0
|
Leszek Koltunski
|
float ret = (x2*y1-x1*y2) / (len1*len2);
|
447 |
|
|
|
448 |
|
|
if( ret> 1.0f ) return 1.0f;
|
449 |
|
|
if( ret<-1.0f ) return -1.0f;
|
450 |
|
|
|
451 |
|
|
return ret;
|
452 |
b3d28a81
|
Leszek Koltunski
|
}
|
453 |
|
|
|
454 |
54e47d9b
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
455 |
|
|
|
456 |
33647db9
|
Leszek Koltunski
|
private void rotateAllVertices(float[] result, int len, float[] vertices, float sin, float cos)
|
457 |
54e47d9b
|
Leszek Koltunski
|
{
|
458 |
33647db9
|
Leszek Koltunski
|
for(int i=0; i<len; i++)
|
459 |
54e47d9b
|
Leszek Koltunski
|
{
|
460 |
33647db9
|
Leszek Koltunski
|
result[2*i ] = vertices[2*i ]*cos - vertices[2*i+1]*sin;
|
461 |
|
|
result[2*i+1] = vertices[2*i ]*sin + vertices[2*i+1]*cos;
|
462 |
54e47d9b
|
Leszek Koltunski
|
}
|
463 |
|
|
}
|
464 |
|
|
|
465 |
6d020cb6
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
466 |
|
|
|
467 |
33647db9
|
Leszek Koltunski
|
private boolean isScaledVersionOf(float[] v1, float[] v2, int len)
|
468 |
6d020cb6
|
Leszek Koltunski
|
{
|
469 |
33647db9
|
Leszek Koltunski
|
float EPSILON = 0.001f;
|
470 |
|
|
float scale = v1[0]!=0.0f ? v2[0]/v1[0] : v2[1]/v1[1];
|
471 |
55f20739
|
Leszek Koltunski
|
|
472 |
33647db9
|
Leszek Koltunski
|
for(int i=1; i<len; i++)
|
473 |
|
|
{
|
474 |
|
|
float horz = v2[2*i ] - scale*v1[2*i ];
|
475 |
|
|
float vert = v2[2*i+1] - scale*v1[2*i+1];
|
476 |
7edab735
|
Leszek Koltunski
|
|
477 |
33647db9
|
Leszek Koltunski
|
if( horz>EPSILON || horz<-EPSILON || vert>EPSILON || vert<-EPSILON ) return false;
|
478 |
|
|
}
|
479 |
55f20739
|
Leszek Koltunski
|
|
480 |
33647db9
|
Leszek Koltunski
|
return true;
|
481 |
7edab735
|
Leszek Koltunski
|
}
|
482 |
|
|
|
483 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
484 |
|
|
|
485 |
33647db9
|
Leszek Koltunski
|
private void mirrorAllVertices(float[] output, int len, float[] input)
|
486 |
7edab735
|
Leszek Koltunski
|
{
|
487 |
33647db9
|
Leszek Koltunski
|
for(int vertex=0; vertex<len; vertex++)
|
488 |
|
|
{
|
489 |
|
|
output[2*vertex ] = input[2*vertex ];
|
490 |
|
|
output[2*vertex+1] =-input[2*vertex+1];
|
491 |
|
|
}
|
492 |
7edab735
|
Leszek Koltunski
|
}
|
493 |
|
|
|
494 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
495 |
|
|
|
496 |
28f4aba0
|
Leszek Koltunski
|
private void correctInfo(FaceInfo info, float scale, float cos, int oldSticker, boolean flip)
|
497 |
7edab735
|
Leszek Koltunski
|
{
|
498 |
1b85f172
|
Leszek Koltunski
|
mStickerInfo.remove(info.sticker);
|
499 |
7edab735
|
Leszek Koltunski
|
|
500 |
28f4aba0
|
Leszek Koltunski
|
info.flip = flip;
|
501 |
1b85f172
|
Leszek Koltunski
|
info.sticker = oldSticker;
|
502 |
28f4aba0
|
Leszek Koltunski
|
info.scale *= scale;
|
503 |
|
|
|
504 |
|
|
mQuat1[0] = info.qx;
|
505 |
|
|
mQuat1[1] = info.qy;
|
506 |
|
|
mQuat1[2] = info.qz;
|
507 |
|
|
mQuat1[3] = info.qw;
|
508 |
7edab735
|
Leszek Koltunski
|
|
509 |
28f4aba0
|
Leszek Koltunski
|
float sinHalf = (float)Math.sqrt(0.5f*(1-cos));
|
510 |
|
|
float cosHalf = (float)Math.sqrt(0.5f*(1+cos));
|
511 |
55f20739
|
Leszek Koltunski
|
|
512 |
28f4aba0
|
Leszek Koltunski
|
mQuat2[0] = 0.0f;
|
513 |
|
|
mQuat2[1] = 0.0f;
|
514 |
|
|
mQuat2[2] = sinHalf;
|
515 |
|
|
mQuat2[3] = cosHalf;
|
516 |
7edab735
|
Leszek Koltunski
|
|
517 |
33647db9
|
Leszek Koltunski
|
quatMultiply( mQuat1, mQuat2, mQuat3 );
|
518 |
55f20739
|
Leszek Koltunski
|
|
519 |
33647db9
|
Leszek Koltunski
|
info.qx = mQuat3[0];
|
520 |
|
|
info.qy = mQuat3[1];
|
521 |
|
|
info.qz = mQuat3[2];
|
522 |
|
|
info.qw = mQuat3[3];
|
523 |
7edab735
|
Leszek Koltunski
|
}
|
524 |
|
|
|
525 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
526 |
|
|
|
527 |
1b85f172
|
Leszek Koltunski
|
private boolean foundVertex(FaceInfo info, float[] buffer, int len, float[] preVert,
|
528 |
|
|
float[] newVert, float lenVert, int oldSticker, boolean inverted)
|
529 |
7edab735
|
Leszek Koltunski
|
{
|
530 |
33647db9
|
Leszek Koltunski
|
for(int vertex=0; vertex<len; vertex++)
|
531 |
|
|
{
|
532 |
28f4aba0
|
Leszek Koltunski
|
float xR = preVert[2*vertex ];
|
533 |
|
|
float yR = preVert[2*vertex+1];
|
534 |
33647db9
|
Leszek Koltunski
|
float lenRotV = (float)Math.sqrt(xR*xR+yR*yR);
|
535 |
28f4aba0
|
Leszek Koltunski
|
float cos = computeCos(xR,yR,newVert[0],newVert[1], lenRotV, lenVert);
|
536 |
|
|
float sin = computeSin(xR,yR,newVert[0],newVert[1], lenRotV, lenVert);
|
537 |
7edab735
|
Leszek Koltunski
|
|
538 |
1b85f172
|
Leszek Koltunski
|
rotateAllVertices(buffer,len,newVert,sin,cos);
|
539 |
7edab735
|
Leszek Koltunski
|
|
540 |
1b85f172
|
Leszek Koltunski
|
if( isScaledVersionOf(buffer,preVert,len) )
|
541 |
33647db9
|
Leszek Koltunski
|
{
|
542 |
1b85f172
|
Leszek Koltunski
|
float scale = preVert[0]!=0.0f ? buffer[0]/preVert[0] : buffer[1]/preVert[1];
|
543 |
28f4aba0
|
Leszek Koltunski
|
correctInfo(info,scale,cos,oldSticker,inverted);
|
544 |
33647db9
|
Leszek Koltunski
|
return true;
|
545 |
|
|
}
|
546 |
|
|
}
|
547 |
55f20739
|
Leszek Koltunski
|
|
548 |
33647db9
|
Leszek Koltunski
|
return false;
|
549 |
7edab735
|
Leszek Koltunski
|
}
|
550 |
|
|
|
551 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
552 |
|
|
|
553 |
1b85f172
|
Leszek Koltunski
|
private boolean successfullyCollapsedStickers(final FaceInfo newInfo, final FaceInfo preInfo)
|
554 |
7edab735
|
Leszek Koltunski
|
{
|
555 |
1b85f172
|
Leszek Koltunski
|
StickerInfo sNewInfo = mStickerInfo.get(newInfo.sticker);
|
556 |
|
|
StickerInfo sPreInfo = mStickerInfo.get(preInfo.sticker);
|
557 |
|
|
int len = sPreInfo.vertices.length;
|
558 |
|
|
float[] newVert = sNewInfo.vertices;
|
559 |
7edab735
|
Leszek Koltunski
|
|
560 |
1b85f172
|
Leszek Koltunski
|
if( len == newVert.length )
|
561 |
33647db9
|
Leszek Koltunski
|
{
|
562 |
1b85f172
|
Leszek Koltunski
|
int oldSticker = preInfo.sticker;
|
563 |
|
|
float[] tmp1 = new float[len];
|
564 |
|
|
float lenVert = (float)Math.sqrt(newVert[0]*newVert[0] + newVert[1]*newVert[1]);
|
565 |
|
|
if( foundVertex(newInfo, tmp1, len/2, sPreInfo.vertices, newVert, lenVert, oldSticker, false) ) return true;
|
566 |
|
|
float[] tmp2 = new float[len];
|
567 |
|
|
mirrorAllVertices(tmp2,len/2,sPreInfo.vertices);
|
568 |
|
|
if( foundVertex(newInfo, tmp1, len/2, tmp2 , newVert, lenVert, oldSticker, true ) ) return true;
|
569 |
33647db9
|
Leszek Koltunski
|
}
|
570 |
55f20739
|
Leszek Koltunski
|
|
571 |
33647db9
|
Leszek Koltunski
|
return false;
|
572 |
7edab735
|
Leszek Koltunski
|
}
|
573 |
|
|
|
574 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
575 |
|
|
|
576 |
33647db9
|
Leszek Koltunski
|
private float[][] constructVert(float[][] vertices, int[] index)
|
577 |
7edab735
|
Leszek Koltunski
|
{
|
578 |
33647db9
|
Leszek Koltunski
|
int len = index.length;
|
579 |
|
|
float[][] ret = new float[len][4];
|
580 |
7edab735
|
Leszek Koltunski
|
|
581 |
33647db9
|
Leszek Koltunski
|
for(int i=0; i<len; i++)
|
582 |
|
|
{
|
583 |
|
|
ret[i][0] = vertices[index[i]][0];
|
584 |
|
|
ret[i][1] = vertices[index[i]][1];
|
585 |
|
|
ret[i][2] = vertices[index[i]][2];
|
586 |
|
|
ret[i][3] = 1.0f;
|
587 |
|
|
}
|
588 |
7edab735
|
Leszek Koltunski
|
|
589 |
33647db9
|
Leszek Koltunski
|
return ret;
|
590 |
7edab735
|
Leszek Koltunski
|
}
|
591 |
|
|
|
592 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
593 |
|
|
|
594 |
33647db9
|
Leszek Koltunski
|
private void prepareFaceInfo( final float[][] vertices, final int[][] indexes)
|
595 |
7edab735
|
Leszek Koltunski
|
{
|
596 |
33647db9
|
Leszek Koltunski
|
mFaceInfo.clear();
|
597 |
1b85f172
|
Leszek Koltunski
|
mStickerInfo.clear();
|
598 |
7edab735
|
Leszek Koltunski
|
|
599 |
33647db9
|
Leszek Koltunski
|
int numFaces = indexes.length;
|
600 |
1b85f172
|
Leszek Koltunski
|
FaceInfo preInfo;
|
601 |
7edab735
|
Leszek Koltunski
|
|
602 |
33647db9
|
Leszek Koltunski
|
for(int face=0; face<numFaces; face++)
|
603 |
|
|
{
|
604 |
|
|
FaceInfo newInfo = new FaceInfo();
|
605 |
|
|
int[] index = indexes[face];
|
606 |
|
|
float[][] vert = constructVert(vertices,index);
|
607 |
|
|
constructNew(newInfo,vert);
|
608 |
55f20739
|
Leszek Koltunski
|
|
609 |
33647db9
|
Leszek Koltunski
|
for(int previous=0; previous<face; previous++)
|
610 |
|
|
{
|
611 |
1b85f172
|
Leszek Koltunski
|
preInfo = mFaceInfo.get(previous);
|
612 |
|
|
if( successfullyCollapsedStickers(newInfo,preInfo) ) break;
|
613 |
33647db9
|
Leszek Koltunski
|
}
|
614 |
7edab735
|
Leszek Koltunski
|
|
615 |
33647db9
|
Leszek Koltunski
|
mFaceInfo.add(newInfo);
|
616 |
|
|
}
|
617 |
7edab735
|
Leszek Koltunski
|
}
|
618 |
|
|
|
619 |
ef231eba
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
620 |
|
|
|
621 |
1b85f172
|
Leszek Koltunski
|
private void prepareAndRoundCorners(MeshBase mesh, float[][] vertices, int[][] vertIndexes,
|
622 |
|
|
float[][] corners, int[] cornerIndexes )
|
623 |
ef231eba
|
Leszek Koltunski
|
{
|
624 |
1b85f172
|
Leszek Koltunski
|
int numNeig, lenFV;
|
625 |
|
|
int lenV = vertices.length;
|
626 |
|
|
int[] verts = new int[2*(lenV-1)];
|
627 |
|
|
Static3D[] staticVert = new Static3D[1];
|
628 |
|
|
Static3D center = new Static3D(0,0,0);
|
629 |
|
|
float cx, cy, cz;
|
630 |
|
|
float[] singleV;
|
631 |
ef231eba
|
Leszek Koltunski
|
|
632 |
1b85f172
|
Leszek Koltunski
|
for(int v=0; v<lenV; v++)
|
633 |
|
|
{
|
634 |
|
|
// prepare verts[]
|
635 |
|
|
numNeig = 0;
|
636 |
ef231eba
|
Leszek Koltunski
|
|
637 |
1b85f172
|
Leszek Koltunski
|
for (int[] vertIndex : vertIndexes)
|
638 |
|
|
{
|
639 |
|
|
lenFV = vertIndex.length;
|
640 |
ef231eba
|
Leszek Koltunski
|
|
641 |
1b85f172
|
Leszek Koltunski
|
for (int fv = 0; fv < lenFV; fv++)
|
642 |
|
|
if (vertIndex[fv] == v)
|
643 |
|
|
{
|
644 |
|
|
int prev = fv > 0 ? fv - 1 : lenFV - 1;
|
645 |
|
|
int next = fv < lenFV - 1 ? fv + 1 : 0;
|
646 |
|
|
|
647 |
|
|
verts[numNeig++] = vertIndex[prev];
|
648 |
|
|
verts[numNeig++] = vertIndex[next];
|
649 |
|
|
}
|
650 |
|
|
}
|
651 |
|
|
|
652 |
|
|
cx=cy=cz=0.0f;
|
653 |
|
|
|
654 |
|
|
// from verts[] prepare center
|
655 |
|
|
for(int n=0; n<numNeig; n++)
|
656 |
|
|
{
|
657 |
|
|
singleV = vertices[verts[n]];
|
658 |
|
|
|
659 |
|
|
cx += singleV[0];
|
660 |
|
|
cy += singleV[1];
|
661 |
|
|
cz += singleV[2];
|
662 |
|
|
}
|
663 |
|
|
center.set(cx/numNeig - vertices[v][0],cy/numNeig - vertices[v][1],cz/numNeig - vertices[v][2]);
|
664 |
|
|
|
665 |
|
|
// round Corners
|
666 |
|
|
staticVert[0] = new Static3D(vertices[v][0], vertices[v][1], vertices[v][2]);
|
667 |
|
|
|
668 |
|
|
int corn = cornerIndexes[v];
|
669 |
|
|
float strength = corners[corn][0];
|
670 |
|
|
float radius = corners[corn][1];
|
671 |
|
|
|
672 |
|
|
roundCorners(mesh, center, staticVert, strength, radius);
|
673 |
|
|
}
|
674 |
|
|
}
|
675 |
|
|
|
676 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
677 |
|
|
|
678 |
28f4aba0
|
Leszek Koltunski
|
private void printInfo()
|
679 |
1b85f172
|
Leszek Koltunski
|
{
|
680 |
|
|
int stickers = mStickerInfo.size();
|
681 |
|
|
|
682 |
28f4aba0
|
Leszek Koltunski
|
android.util.Log.d("D", "-------------------------");
|
683 |
|
|
|
684 |
1b85f172
|
Leszek Koltunski
|
for(int s=0; s<stickers; s++)
|
685 |
ef231eba
|
Leszek Koltunski
|
{
|
686 |
28f4aba0
|
Leszek Koltunski
|
String ver = "";
|
687 |
1b85f172
|
Leszek Koltunski
|
StickerInfo info = mStickerInfo.get(s);
|
688 |
|
|
int len = info.vertices.length/2;
|
689 |
|
|
|
690 |
|
|
for(int i =0; i<len; i++)
|
691 |
|
|
{
|
692 |
|
|
ver += ("("+info.vertices[2*i]+","+info.vertices[2*i+1]+") ");
|
693 |
|
|
}
|
694 |
28f4aba0
|
Leszek Koltunski
|
|
695 |
|
|
android.util.Log.e("D", "sticker "+s+" "+ver);
|
696 |
ef231eba
|
Leszek Koltunski
|
}
|
697 |
|
|
|
698 |
28f4aba0
|
Leszek Koltunski
|
android.util.Log.d("D", "-------------------------");
|
699 |
ef231eba
|
Leszek Koltunski
|
|
700 |
28f4aba0
|
Leszek Koltunski
|
int faces = mFaceInfo.size();
|
701 |
7edab735
|
Leszek Koltunski
|
|
702 |
28f4aba0
|
Leszek Koltunski
|
for(int f=0; f<faces; f++)
|
703 |
|
|
{
|
704 |
|
|
FaceInfo info = mFaceInfo.get(f);
|
705 |
|
|
|
706 |
|
|
android.util.Log.e("D", "q=("+info.qx+", "+info.qy+", "+info.qz+", "+info.qw+") v=("
|
707 |
1b85f172
|
Leszek Koltunski
|
+info.vx+", "+info.vy+", "+info.vz+") scale="+info.scale+" sticker="+info.sticker);
|
708 |
28f4aba0
|
Leszek Koltunski
|
}
|
709 |
|
|
|
710 |
|
|
android.util.Log.d("D", "-------------------------");
|
711 |
1b85f172
|
Leszek Koltunski
|
}
|
712 |
|
|
|
713 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
714 |
|
|
|
715 |
|
|
MeshBase createRoundedSolid(final float[][] vertices, final int[][] vertIndexes,
|
716 |
|
|
final float[][] bands , final int[] bandIndexes,
|
717 |
|
|
final float[][] corners , final int[] cornerIndexes)
|
718 |
7edab735
|
Leszek Koltunski
|
{
|
719 |
33647db9
|
Leszek Koltunski
|
int EFFECTS_PER_FACE = 3;
|
720 |
7edab735
|
Leszek Koltunski
|
|
721 |
33647db9
|
Leszek Koltunski
|
prepareFaceInfo(vertices,vertIndexes);
|
722 |
7edab735
|
Leszek Koltunski
|
|
723 |
33647db9
|
Leszek Koltunski
|
int numFaces = vertIndexes.length;
|
724 |
|
|
float[] band, bandsComputed;
|
725 |
|
|
MeshBase[] meshes = new MeshBase[numFaces];
|
726 |
1b85f172
|
Leszek Koltunski
|
FaceInfo fInfo;
|
727 |
|
|
StickerInfo sInfo;
|
728 |
|
|
|
729 |
28f4aba0
|
Leszek Koltunski
|
printInfo();
|
730 |
55f20739
|
Leszek Koltunski
|
|
731 |
33647db9
|
Leszek Koltunski
|
for(int face=0; face<numFaces; face++)
|
732 |
|
|
{
|
733 |
1b85f172
|
Leszek Koltunski
|
fInfo = mFaceInfo.get(face);
|
734 |
|
|
sInfo = mStickerInfo.get(fInfo.sticker);
|
735 |
140f2c4e
|
Leszek Koltunski
|
|
736 |
33647db9
|
Leszek Koltunski
|
band = bands[bandIndexes[face]];
|
737 |
|
|
bandsComputed = computeBands( band[0], (int)band[1], band[2], band[3], (int)band[4]);
|
738 |
1b85f172
|
Leszek Koltunski
|
meshes[face] = new MeshPolygon(sInfo.vertices,bandsComputed,(int)band[5],(int)band[6]);
|
739 |
33647db9
|
Leszek Koltunski
|
meshes[face].setEffectAssociation(0,(1<<face),0);
|
740 |
|
|
}
|
741 |
7edab735
|
Leszek Koltunski
|
|
742 |
33647db9
|
Leszek Koltunski
|
MeshBase mesh = new MeshJoined(meshes);
|
743 |
1b85f172
|
Leszek Koltunski
|
MatrixEffect[] effects = new MatrixEffect[EFFECTS_PER_FACE*numFaces];
|
744 |
7edab735
|
Leszek Koltunski
|
Static3D center = new Static3D(0,0,0);
|
745 |
fe032f52
|
Leszek Koltunski
|
|
746 |
33647db9
|
Leszek Koltunski
|
for(int face=0; face<numFaces; face++)
|
747 |
|
|
{
|
748 |
|
|
int assoc = (1<<face);
|
749 |
1b85f172
|
Leszek Koltunski
|
fInfo = mFaceInfo.get(face);
|
750 |
6d020cb6
|
Leszek Koltunski
|
|
751 |
1b85f172
|
Leszek Koltunski
|
Static3D move3D= new Static3D(fInfo.vx,fInfo.vy,fInfo.vz);
|
752 |
|
|
Static3D scale = new Static3D(fInfo.scale,fInfo.scale, fInfo.flip ? -fInfo.scale : fInfo.scale);
|
753 |
|
|
Static4D quat = new Static4D(fInfo.qx,fInfo.qy,fInfo.qz,fInfo.qw);
|
754 |
6d020cb6
|
Leszek Koltunski
|
|
755 |
1b85f172
|
Leszek Koltunski
|
effects[EFFECTS_PER_FACE*face ] = new MatrixEffectScale(scale);
|
756 |
|
|
effects[EFFECTS_PER_FACE*face+1] = new MatrixEffectQuaternion(quat,center);
|
757 |
|
|
effects[EFFECTS_PER_FACE*face+2] = new MatrixEffectMove(move3D);
|
758 |
a65604a7
|
Leszek Koltunski
|
|
759 |
1b85f172
|
Leszek Koltunski
|
mesh.apply(effects[EFFECTS_PER_FACE*face ],assoc,-1);
|
760 |
|
|
mesh.apply(effects[EFFECTS_PER_FACE*face+1],assoc,-1);
|
761 |
|
|
mesh.apply(effects[EFFECTS_PER_FACE*face+2],assoc,-1);
|
762 |
33647db9
|
Leszek Koltunski
|
}
|
763 |
a65604a7
|
Leszek Koltunski
|
|
764 |
1b85f172
|
Leszek Koltunski
|
prepareAndRoundCorners(mesh, vertices, vertIndexes, corners, cornerIndexes);
|
765 |
a65604a7
|
Leszek Koltunski
|
|
766 |
7edab735
|
Leszek Koltunski
|
return mesh;
|
767 |
|
|
}
|
768 |
|
|
}
|