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.meshjoin;

import android.graphics.Bitmap;

import android.graphics.Paint;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.VertexEffectRotate;

import org.distorted.library.effect.VertexEffectScale;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshBase;

import org.distorted.library.type.Static4D;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class MeshJoinRenderer implements GLSurfaceView.Renderer

{

    private GLSurfaceView mView;

    private DistortedTexture mTexture;

    private DistortedScreen mScreen;

    private DistortedEffects mEffects;

    private VertexEffectSink mSink;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

    MeshJoinRenderer(GLSurfaceView v)

      {

      mView = v;

      mScreen = new DistortedScreen();

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

      sink.add( new Static1D(0.5f) );

      sink.add( new Static1D(2.0f) );

      mQuat2 = new Static4D(0,0,0,1);  // quaternions

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

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

      quatInt1.add(mQuat1);

      quatInt2.add(mQuat2);

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

      mScreen.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);

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

    public void onDrawFrame(GL10 glUnused) 

      {

      mScreen.render( System.currentTimeMillis() );

      }

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

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

      {

      mScreen.resize(width, height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      mScreen.detachAll();

      mScreen.attach(mTexture,mEffects,mMesh);

        {

        DistortedLibrary.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

    void setChecked(int number, boolean checked)

      {

      if( checked ) mSinkAssociation |= n;

      else          mSinkAssociation &= (15-n);

      final int FACES=FACE_COLORS.length;

      float OFF = STROKE/2 -1;

      float RADIUS = SIZE/12;

      float ARC2_H = 0.905f*SIZE;

      float ARC3_W = SIZE-ARC2_W;

      Bitmap result = Bitmap.createBitmap(FACES*SIZE,SIZE, Bitmap.Config.ARGB_8888);

      Paint paint = new Paint();

      paint.setStrokeWidth(STROKE);

        {

        paint.setColor(FACE_COLORS[i]);

        canvas.drawRect(i*SIZE,0,(i+1)*SIZE,SIZE,paint);

        paint.setColor(0xff000000);

        paint.setStyle(Paint.Style.STROKE);

        canvas.drawLine(           i*SIZE, HEIGHT,  SIZE       +i*SIZE, HEIGHT, paint);

        canvas.drawLine(      OFF +i*SIZE,   SIZE,       OFF2  +i*SIZE,      0, paint);

        canvas.drawLine((SIZE-OFF)+i*SIZE,   SIZE, (SIZE-OFF2) +i*SIZE,      0, paint);

        canvas.drawArc( ARC1_W-RADIUS+i*SIZE, ARC1_H-RADIUS, ARC1_W+RADIUS+i*SIZE, ARC1_H+RADIUS, 225, 90, false, paint);

        canvas.drawArc( ARC2_W-RADIUS+i*SIZE, ARC2_H-RADIUS, ARC2_W+RADIUS+i*SIZE, ARC2_H+RADIUS, 105, 90, false, paint);

        canvas.drawArc( ARC3_W-RADIUS+i*SIZE, ARC2_H-RADIUS, ARC3_W+RADIUS+i*SIZE, ARC2_H+RADIUS, 345, 90, false, paint);

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

    private MeshBase createJoinedTetrahedron()

      {

      final float angleFaces = (float)((180/Math.PI)*(2*Math.asin(SQ3/3))); // angle between two faces of a tetrahedron

      final int MESHES=4;

        {

        andAssoc <<= 1;

      for(int i=0; i<MESHES; i++) textureMaps[i] = new Static4D(i*0.25f,0.0f,0.25f,1.0f);

      result.setTextureMap(textureMaps);

      Static3D a1 = new Static3D(         0,  -1.0f/3, 2*SQ2/3 );

      Static3D a2 = new Static3D(-SQ2*SQ3/3,  -1.0f/3,  -SQ2/3 );

      Static3D a3 = new Static3D( SQ2*SQ3/3,  -1.0f/3,  -SQ2/3 );

      float tetraHeight = SQ2*SQ3/3;

      float d1 = 0.75f*tetraHeight;

      float d2 =-0.10f*tetraHeight;

      float d3 = 0.20f*tetraHeight;

      Static3D dCen0 = new Static3D( d1*a0.get0(), d1*a0.get1(), d1*a0.get2() );

      Static3D dCen1 = new Static3D( d1*a1.get0(), d1*a1.get1(), d1*a1.get2() );

      Static3D dCen2 = new Static3D( d1*a2.get0(), d1*a2.get1(), d1*a2.get2() );

      Static3D dCen3 = new Static3D( d1*a3.get0(), d1*a3.get1(), d1*a3.get2() );

      Static3D dVec0 = new Static3D( d2*a0.get0(), d2*a0.get1(), d2*a0.get2() );

      Static3D dVec1 = new Static3D( d2*a1.get0(), d2*a1.get1(), d2*a1.get2() );

      Static3D dVec2 = new Static3D( d2*a2.get0(), d2*a2.get1(), d2*a2.get2() );

      Static3D dVec3 = new Static3D( d2*a3.get0(), d2*a3.get1(), d2*a3.get2() );

      Static4D dReg  = new Static4D(0,0,0,d3);

      Static1D dRad  = new Static1D(1);

      Static3D axis1  = new Static3D(  -1, 0,      0);

      Static3D axis2  = new Static3D(0.5f, 0, -SQ3/2);

      Static3D axis3  = new Static3D(0.5f, 0, +SQ3/2);

      Static3D center1= new Static3D(0,-SQ3*SQ2/12,-SQ3/6);

      Static3D center2= new Static3D(0,-SQ3*SQ2/12,+SQ3/3);

      VertexEffectRotate  effect2 = new VertexEffectRotate( new Static1D(90), new Static3D(1,0,0), new Static3D(0,0,0) );

      VertexEffectMove    effect3 = new VertexEffectMove  ( new Static3D(0,-SQ3*SQ2/12,SQ3/12) );

      VertexEffectRotate  effect4 = new VertexEffectRotate( new Static1D(180), new Static3D(0,0,1), center1 );

      VertexEffectRotate  effect5 = new VertexEffectRotate( angle, axis1, center1 );

      VertexEffectRotate  effect6 = new VertexEffectRotate( angle, axis2, center2 );

      VertexEffectRotate  effect7 = new VertexEffectRotate( angle, axis3, center2 );

      VertexEffectDeform effect8 = new VertexEffectDeform(dVec0, dRad, dCen0, dReg);

      VertexEffectDeform effect9 = new VertexEffectDeform(dVec1, dRad, dCen1, dReg);

      VertexEffectDeform effect10= new VertexEffectDeform(dVec2, dRad, dCen2, dReg);

      VertexEffectDeform effect11= new VertexEffectDeform(dVec3, dRad, dCen3, dReg);

      effect5.setMeshAssociation( 2,-1);  // apply only to mesh[1]

      effect6.setMeshAssociation( 4,-1);  // apply only to mesh[2]

      effect7.setMeshAssociation( 8,-1);  // apply only to mesh[3]

      result.apply(effect1);

      result.apply(effect2);

      result.apply(effect3);

      result.apply(effect4);

      result.apply(effect5);

      result.apply(effect6);

      result.apply(effect7);

      result.apply(effect9);

      result.apply(effect10);

      result.apply(effect11);