Distorted Android

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

// Copyright 2016 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.examples.meshfile;

import android.content.res.Resources;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.opengl.GLSurfaceView;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.opengles.GL10;

    private static final float SQ3 = (float)Math.sqrt(3);

    private final DistortedEffects mEffects;

    private final Static3D mScale;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

    MeshFileRenderer(GLSurfaceView v)

      {

      mView = v;

      mScreen = new DistortedScreen();

      mScale= new Static3D(1,1,1);

      Static3D center=new Static3D(0,0,0);

      DynamicQuat quatInt1 = new DynamicQuat(0,0.5f);

      DynamicQuat quatInt2 = new DynamicQuat(0,0.5f);

      quatInt1.add(mQuat1);

      quatInt2.add(mQuat2);

      disappear.setMeshAssociation(1,-1);

      mEffects.apply( new MatrixEffectQuaternion(quatInt2, center) );

      mEffects.apply( new MatrixEffectQuaternion(quatInt1, center) );

      mEffects.apply( new MatrixEffectScale(mScale));

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

    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render( System.currentTimeMillis() );

      }

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

    public void onSurfaceChanged(GL10 glUnused, int width, int height) 

      {

      mScreenMin = Math.min(width, height);

      mScreen.resize(width, height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      if( mTexture==null ) mTexture = new DistortedTexture();

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

    public void distortedException(Exception ex)

      {

      android.util.Log.e("MeshFile", ex.getMessage() );

//   0 ---> 0

//  50 ---> DEFAULT_SCALE

// 100 ---> 4*DEFAULT_SCALE

    void setScale(int scale)

      {

      if( scale<= 50 )

        {

        mCurrentScale = DEFAULT_SCALE * scale / 50.0f;

        }

      else

        {

        mCurrentScale = DEFAULT_SCALE * ( 3*(scale/50.0f) - 2.0f);

        }

      float factor = mCurrentScale*mScreenMin;

      mScale.set(factor,factor,factor);

      }

        }

      else if( resourceID==POLYGON )

        {

        createPolygon();

      else

        {

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

      float[] vertices;

      int[] colors;

      float F = 0.5f;

      float E = SQ3/2;

          {

          case  R.raw.deferredjob:

          case  R.raw.cube3      :

          case  R.raw.cube4      :

                                   vertices = new float[] { -F,-F, +F,-F, +F,+F, -F,+F};

                                   return factory.createTexture(vertices,colors,0.10f, 0.10f, true);

          case  R.raw.pyra4      :

                                   vertices = new float[] { -F,-E/3, +F,-E/3, 0.0f,2*E/3};

                                   return factory.createTexture(vertices,colors,0.05f, 0.05f, true);

                                   vertices = new float[] { -F,F/3, 0,-2*F/3, +F,F/3 };

                                   return factory.createTexture(vertices,colors,0.05f, 0.03f, true);

                                   //vertices = new float[] { -G,-G, +G,-G, +G,+G, -G,+G };

                                   return factory.createTexture(vertices,colors,0.05f, 0.08f, true);

          }

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

      Canvas canvas = new Canvas(bitmap);

      Paint paint = new Paint();

    private void createPolygon()

      {

      float A = 0.5f;

      float B = 0.1f;

      float[] vertices = new float[] { -A,-A, A,-A, A,A, -A,A };

      float[] bands = new float[2*numBands];

      for(int i=0; i<numBands; i++)

        {

        bands[2*i  ] = 1 + i/(1.0f-numBands);

        bands[2*i+1] = B/(numBands-1)*i;

        }

      mMesh = new MeshPolygon(vertices,bands,extraIndex,extraVertices);

      mMesh.setEffectAssociation(0,0,0);

      mMesh.setShowNormals(true);

      }

    private void createMesh()

      {

      float[][] bands     = null;

      int[] bandIndexes   = null;

      float[][] corners   = null;

      int[] cornerIndexes = null;

      int[] centerIndexes = null;

      if( mode==0 )

              { 0.5f, 0.5f,-0.5f },

              { 0.5f,-0.5f, 0.5f },

              { 0.5f,-0.5f,-0.5f },

              {-0.5f, 0.5f, 0.5f },

              {-0.5f, 0.5f,-0.5f },

              {-0.5f,-0.5f, 0.5f },

              {-0.5f,-0.5f,-0.5f },

              {7,6,4,5},

              {4,0,1,5},

              {7,3,2,6},

              {6,2,0,4},

              {3,7,5,1}

              { 0.01f, 0.10f }

          };

        centers = new float[][]

          {

              { 0.0f, 0.0f, 0.0f }

          };

        centerIndexes = new int[] { 0,0,0,0,0,0,0,0 };

        numComponents = 8;

      ///// TETRAHEDRON //////////////////////////////////////////////////////////////////////////

      else if( mode==1 )

              { 0.5f, SQ2/4, 0.0f},

              { 0.0f,-SQ2/4, 0.5f},

              { 0.0f,-SQ2/4,-0.5f}

        vertIndexes = new int[][]

          {

              {2,1,0},   // counterclockwise!

              {2,3,1},

              {3,2,0},

              {3,0,1}

          };

        bands = new float[][]

          {

              {0.05f,30,0.6f,0.5f,5,  2,2}

          };

        bandIndexes = new int[] { 0,0,0,0 };

        corners = new float[][]

          {

              { 0.02f, 0.10f }

          };

        cornerIndexes = new int[] { 0,0,0,0 };

        centers = new float[][]

          {

              { 0.0f, 0.0f, 0.0f }

          };

        centerIndexes = new int[] { 0,0,0,0 };

        numComponents = 4;

      ///// DINO ////////////////////////////////////////////////////////////////////////////////

      else if( mode==2 )

             { 1.5f, 0.0f, 0.0f},

             { 0.0f,-1.5f, 0.0f},

             { 0.0f, 0.0f,-1.5f}

        vertIndexes = new int[][]

          {

             {3,0,1},

             {2,3,1},

             {3,2,0},

        bands = new float[][]

          {

              {0.010f,45,0.16f,0.2f,6,2,2}

        corners = new float[][]

          {

               {0.05f,0.30f}

        centers = new float[][]

          {

        centerIndexes = new int[] { 0,0,0,0 };

        numComponents = 4;

      else if( mode==3 )

        {

              { 0.5f,   0.0f,-0.5f},

              {-0.5f,   0.0f,-0.5f},

              {-0.5f,   0.0f, 0.5f},

              { 0.0f,  SQ2/2, 0.0f},

              { 0.0f, -SQ2/2, 0.0f},

        vertIndexes = new int[][]

          {

              {3,0,4},   // counterclockwise!

              {0,1,4},

              {1,2,4},

              {2,3,4},

              {5,0,3},

              {5,1,0},

              {5,2,1},

              {5,3,2}

          };

        bands = new float[][]

          {

             {0.05f,17,0.5f,0.2f,5,  2,2}

          };

        bandIndexes = new int[] { 0,0,0,0,0,0,0,0 };

        corners = new float[][]

          {

              { 0.03f, 0.12f }

          };

        cornerIndexes = new int[] { 0,0,0,0,0,0 };

        centers = new float[][]

          {

              { 0.0f, 0.0f, 0.0f }

          };

        centerIndexes = new int[] { 0,0,0,0,0,0 };

        numComponents = 8;

      else if( mode==4 )

        {

        float SIN18= (SQ5-1)/4;

        float COS18= 0.25f*(float)Math.sqrt(10.0+2.0*SQ5);

        float H = 1.0f;

        float L = 2.0f;

        float X = H*(float)Math.sqrt((5+SQ5)/10);

        float Y = H*(float)Math.sqrt((5-SQ5)/10);

        float D = H*SIN18/COS18;

        vertices = new float[][]

          {

              { 0.0f,    Y, L/2},

              {    X, 0.0f, L/2},

              { 0.0f,   -Y, L/2},

              {   -X, 0.0f, L/2},

              { 0.0f,    Y, -L/2 +D},

              {    X, 0.0f,-L/2   },

              { 0.0f,   -Y, -L/2-D },

              {   -X, 0.0f,-L/2   }

        vertIndexes = new int[][]

          {

              {3,2,1,0},   // counterclockwise!

              {0,1,5,4},

              {3,0,4,7},

              {2,1,5,6},

              {3,2,6,7},

              {4,5,6,7}

          };

        bands = new float[][]

          {

             {0.04f,13,(float)(L/3),(float)L/8, 5,2,3},

             {0.00f, 0,(float)(L/2),(float)L/4, 5,2,3}

          };

        bandIndexes = new int[] { 1,0,0,1,1,1 };

        corners = new float[][]

          {

          };

        cornerIndexes = new int[] { 0,-1,-1,-1,0,-1,-1,-1 };

        centers = new float[][]

          {

              { 0.0f, 0.0f, 0.0f }

          };

        centerIndexes = new int[] { 0,-1,-1,-1,0,-1,-1,-1 };

        numComponents = 6;

        }

      ///// IVY_CORNER ////////////////////////////////////////////////////////////////////////

      else if( mode==5 )

        {

        final float CORR  = 1.0f - 2*IVY_D;

        vertices[0][1] = 0.0f;

        vertices[0][2] = 0.0f;

        vertices[1][0] =-1.0f;

        vertices[1][1] = 0.0f;

        vertices[1][2] = 0.0f;

        vertices[2][0] = 0.0f;

        vertices[2][1] =-1.0f;

        vertices[2][2] = 0.0f;

        vertices[3][0] = 0.0f;

        vertices[3][1] = 0.0f;

        vertices[3][2] =-1.0f;

        vertIndexes[0][0] = 2;

        vertIndexes[0][1] = 0;

        vertIndexes[0][2] = 1;

        vertIndexes[3][0] = 2;

        vertIndexes[3][1] = 0;

        vertIndexes[3][2] = 1;

        vertIndexes[1][0] = 3;

        vertIndexes[1][1] = 0;

        vertIndexes[1][2] = 2;

        vertIndexes[4][0] = 3;

        vertIndexes[4][1] = 0;

        vertIndexes[4][2] = 2;

        vertIndexes[2][0] = 1;

        vertIndexes[2][1] = 0;

        vertIndexes[2][2] = 3;

        vertIndexes[5][0] = 1;

        vertIndexes[5][1] = 0;

        vertIndexes[5][2] = 3;

        int N1 = 4;

        int N2 = N1 + IVY_N + 1;

        int N3 = N2 + IVY_N + 1;

        for(int i=0; i<=IVY_N; i++)

          {

          float sin1 = (float)Math.sin((IVY_N-i)*angle);

          float cos2 = (float)Math.cos((      i)*angle);

          float sin2 = (float)Math.sin((      i)*angle);

          vertices[N1+i][1] = CORR*(sin1-0.5f) - 0.5f;

          vertices[N1+i][2] = 0.0f;

          vertices[N2+i][1] = CORR*(sin2-0.5f) - 0.5f;

          vertices[N2+i][2] = CORR*(cos2-0.5f) - 0.5f;

          vertices[N3+i][1] = 0.0f;

          vertices[N3+i][2] = CORR*(sin2-0.5f) - 0.5f;

          vertIndexes[0][i+3] = N1 + i;

          vertIndexes[1][i+3] = N2 + i;

          vertIndexes[2][i+3] = N3 + i;

          vertIndexes[3][i+3] = N1 + i;