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.singlemesh;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.opengl.GLSurfaceView;

import org.distorted.library.effect.EffectType;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.VertexEffectDeform;

import org.distorted.library.effect.VertexEffectMove;

import org.distorted.library.effect.VertexEffectRotate;

import org.distorted.library.effect.VertexEffectSink;

import org.distorted.library.main.DistortedEffects;

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.mesh.MeshJoined;

import org.distorted.library.mesh.MeshRectangles;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.DynamicQuat;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class SingleMeshRenderer implements GLSurfaceView.Renderer

{

    private static final float DIST = 0.5f;

    private static final int[] FACE_COLORS = new int[]

         {

           0xffffff00, 0xffffffff,   // (right-YELLOW) (left  -WHITE)

           0xff0000ff, 0xff00ff00,   // (top  -BLUE  ) (bottom-GREEN)

           0xffff0000, 0xffb5651d    // (front-RED   ) (back  -BROWN)

         };

    private static final Static3D[] CUBIT_MOVES = new Static3D[]

         {

           new Static3D(-DIST,-DIST,-DIST),

           new Static3D(-DIST,-DIST,+DIST),

           new Static3D(-DIST,+DIST,-DIST),

           new Static3D(-DIST,+DIST,+DIST),

           new Static3D(+DIST,-DIST,-DIST),

           new Static3D(+DIST,-DIST,+DIST),

           new Static3D(+DIST,+DIST,-DIST),

           new Static3D(+DIST,+DIST,+DIST),

         };

    private GLSurfaceView mView;

    private DistortedTexture mTexture;

    private DistortedScreen mScreen;

    private DistortedEffects mEffects;

    private Static3D mScale;

    private MeshBase mMesh;

    private VertexEffectRotate mRotate;

    private Dynamic1D mAngleDyn;

    private Static1D mAngle;

    Static4D mQuat1, mQuat2;

    int mScreenMin;

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

    SingleMeshRenderer(GLSurfaceView v)

      {

      mView = v;

      mScreen = new DistortedScreen();

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

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

      Dynamic1D sink = new Dynamic1D(5000,0.0f);

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

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

      mQuat1 = new Static4D(0,0,0,1);  // unity

      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);

      mAngle = new Static1D(0);

      mAngleDyn = new Dynamic1D(2000,0.5f);

      mAngleDyn.add(new Static1D(0));

      mAngleDyn.add( mAngle );

      mRotate = new VertexEffectRotate( mAngleDyn, new Static3D(1,0,0), new Static3D(0,0,0) );

      mEffects = new DistortedEffects();

      mEffects.apply( mRotate );

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

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

      mEffects.apply( new MatrixEffectScale(mScale));

      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) 

      {

      final float SCALE = 0.4f;

      mScreenMin = Math.min(width, height);

      float factor = SCALE*mScreenMin;

      mScale.set(factor,factor,factor);

      mScreen.resize(width, height);

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      mTexture.setTexture( createTexture() );

      if( mMesh==null ) mMesh = createMesh();

      mScreen.detachAll();

      mScreen.attach(mTexture,mEffects,mMesh);

      DistortedLibrary.setMax(EffectType.VERTEX, 15);

      VertexEffectRotate.enable();

      try

        {

        DistortedLibrary.onCreate(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

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

    void apply(int number)

      {

      mRotate.setMeshAssociation(0,number);

      mAngle.set(360);

      mAngleDyn.resetToBeginning();

      }

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

    private Bitmap createTexture()

      {

      final int NUM_FACES = 6;

      final int TEXTURE_HEIGHT = 200;

      final int INTERIOR_COLOR = 0xff000000;

      final float R = TEXTURE_HEIGHT*0.10f;

      final float M = TEXTURE_HEIGHT*0.05f;

      Bitmap bitmap;

      Paint paint = new Paint();

      bitmap = Bitmap.createBitmap( (NUM_FACES+1)*TEXTURE_HEIGHT, TEXTURE_HEIGHT, Bitmap.Config.ARGB_8888);

      Canvas canvas = new Canvas(bitmap);

      paint.setAntiAlias(true);

      paint.setTextAlign(Paint.Align.CENTER);

      paint.setStyle(Paint.Style.FILL);

      paint.setColor(INTERIOR_COLOR);

      canvas.drawRect(0, 0, (NUM_FACES+1)*TEXTURE_HEIGHT, TEXTURE_HEIGHT, paint);

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

        {

        paint.setColor(FACE_COLORS[i]);

        canvas.drawRoundRect( i*TEXTURE_HEIGHT+M, M, (i+1)*TEXTURE_HEIGHT-M, TEXTURE_HEIGHT-M, R, R, paint);

        }

      return bitmap;

      }

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

     MeshBase createCubitMesh()

      {

      final int MESHES=6;

      int association = 1;

      MeshBase[] meshes = new MeshRectangles[MESHES];

      meshes[0] = new MeshRectangles(10,10);

      meshes[0].setEffectAssociation(0,association,0);

      for(int i=1; i<MESHES; i++)

        {

        association <<=1;

        meshes[i] = meshes[0].copy(true);

        meshes[i].setEffectAssociation(0,association,0);

        }

      MeshBase mesh = new MeshJoined(meshes);

      Static3D axisY   = new Static3D(0,1,0);

      Static3D axisX   = new Static3D(1,0,0);

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

      Static1D angle90 = new Static1D(90);

      Static1D angle180= new Static1D(180);

      Static1D angle270= new Static1D(270);

      float d1 = 1.0f;

      float d2 =-0.05f;

      float d3 = 0.12f;

      Static3D dCen0 = new Static3D( d1*(+0.5f), d1*(+0.5f), d1*(+0.5f) );

      Static3D dCen1 = new Static3D( d1*(+0.5f), d1*(+0.5f), d1*(-0.5f) );

      Static3D dCen2 = new Static3D( d1*(+0.5f), d1*(-0.5f), d1*(+0.5f) );

      Static3D dCen3 = new Static3D( d1*(+0.5f), d1*(-0.5f), d1*(-0.5f) );

      Static3D dCen4 = new Static3D( d1*(-0.5f), d1*(+0.5f), d1*(+0.5f) );

      Static3D dCen5 = new Static3D( d1*(-0.5f), d1*(+0.5f), d1*(-0.5f) );

      Static3D dCen6 = new Static3D( d1*(-0.5f), d1*(-0.5f), d1*(+0.5f) );

      Static3D dCen7 = new Static3D( d1*(-0.5f), d1*(-0.5f), d1*(-0.5f) );

      Static3D dVec0 = new Static3D( d2*(+0.5f), d2*(+0.5f), d2*(+0.5f) );

      Static3D dVec1 = new Static3D( d2*(+0.5f), d2*(+0.5f), d2*(-0.5f) );

      Static3D dVec2 = new Static3D( d2*(+0.5f), d2*(-0.5f), d2*(+0.5f) );

      Static3D dVec3 = new Static3D( d2*(+0.5f), d2*(-0.5f), d2*(-0.5f) );

      Static3D dVec4 = new Static3D( d2*(-0.5f), d2*(+0.5f), d2*(+0.5f) );

      Static3D dVec5 = new Static3D( d2*(-0.5f), d2*(+0.5f), d2*(-0.5f) );

      Static3D dVec6 = new Static3D( d2*(-0.5f), d2*(-0.5f), d2*(+0.5f) );

      Static3D dVec7 = new Static3D( d2*(-0.5f), d2*(-0.5f), d2*(-0.5f) );

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

      Static1D dRad  = new Static1D(1);

      VertexEffectMove   effect0 = new VertexEffectMove(new Static3D(0,0,+0.5f));

      effect0.setMeshAssociation(63,-1);  // all 6 sides

      VertexEffectRotate effect1 = new VertexEffectRotate( angle180, axisX, center );

      effect1.setMeshAssociation(32,-1);  // back

      VertexEffectRotate effect2 = new VertexEffectRotate( angle90 , axisX, center );

      effect2.setMeshAssociation( 8,-1);  // bottom

      VertexEffectRotate effect3 = new VertexEffectRotate( angle270, axisX, center );

      effect3.setMeshAssociation( 4,-1);  // top

      VertexEffectRotate effect4 = new VertexEffectRotate( angle270, axisY, center );

      effect4.setMeshAssociation( 2,-1);  // left

      VertexEffectRotate effect5 = new VertexEffectRotate( angle90 , axisY, center );

      effect5.setMeshAssociation( 1,-1);  // right

      VertexEffectDeform effect6 = new VertexEffectDeform(dVec0, dRad, dCen0, dReg);

      VertexEffectDeform effect7 = new VertexEffectDeform(dVec1, dRad, dCen1, dReg);

      VertexEffectDeform effect8 = new VertexEffectDeform(dVec2, dRad, dCen2, dReg);

      VertexEffectDeform effect9 = new VertexEffectDeform(dVec3, dRad, dCen3, dReg);

      VertexEffectDeform effect10= new VertexEffectDeform(dVec4, dRad, dCen4, dReg);

      VertexEffectDeform effect11= new VertexEffectDeform(dVec5, dRad, dCen5, dReg);

      VertexEffectDeform effect12= new VertexEffectDeform(dVec6, dRad, dCen6, dReg);

      VertexEffectDeform effect13= new VertexEffectDeform(dVec7, dRad, dCen7, dReg);

      VertexEffectSink effect14= new VertexEffectSink( new Static1D(1.5f), center, new Static4D(0,0,0,0.72f) );

      mesh.apply(effect0);

      mesh.apply(effect1);

      mesh.apply(effect2);

      mesh.apply(effect3);

      mesh.apply(effect4);

      mesh.apply(effect5);

      mesh.apply(effect6);

      mesh.apply(effect7);

      mesh.apply(effect8);

      mesh.apply(effect9);

      mesh.apply(effect10);

      mesh.apply(effect11);

      mesh.apply(effect12);

      mesh.apply(effect13);

      mesh.apply(effect14);

      mesh.mergeEffComponents();

      return mesh;

      }

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

    private MeshBase createMesh()

      {

      final int NUM_CUBITS = CUBIT_MOVES.length;

      MeshBase[] cubits = new MeshBase[NUM_CUBITS];

      cubits[0] = createCubitMesh();

      for(int i=1; i<NUM_CUBITS; i++)

        {

        cubits[i] = cubits[0].copy(true);

        }

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

        {

        cubits[i].apply( new MatrixEffectMove(CUBIT_MOVES[i]), 1,0);

        }

      MeshBase result = new MeshJoined(cubits);

      return result;

      }

}