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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted 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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// Distorted 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 Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.dynamic;
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import android.app.ActivityManager;
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import android.content.Context;
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import android.content.pm.ConfigurationInfo;
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import android.graphics.Rect;
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import android.opengl.GLSurfaceView;
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import android.view.MotionEvent;
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import android.util.AttributeSet;
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import android.graphics.Canvas;
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import android.graphics.Paint.Style;
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import android.graphics.Paint;
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import org.distorted.library.type.Dynamic;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Dynamic2D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.Dynamic4D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.type.Static2D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import java.lang.ref.WeakReference;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class DynamicSurfaceView extends GLSurfaceView
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{
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public static final int DIM_1D = 0;
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public static final int DIM_2D = 1;
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public static final int DIM_3DXY = 2;
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public static final int DIM_3DXZ = 3;
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public static final int DIM_4DXY = 4;
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public static final int DIM_4DZW = 5;
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private static final int MAX_DIM = 4;
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static final int NUM_POINTS = 250;
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private static final Object lock = new Object();
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private WeakReference<DynamicActivity> mAct;
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private static int halfScreenHeight=0;
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private static int halfScreenWidth =0;
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private Dynamic1D di1D;
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private Dynamic2D di2D;
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private Dynamic3D di3D;
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private Dynamic4D di4D;
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private Paint mPaint;
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private int mMoving;
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private int mDuration;
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private int mPosition;
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private long mDiffTime, mLastTime, mStartTime;
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private float[] mNoise = new float[MAX_DIM];
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private float mCount;
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private int mSize1, mSize2, mSizeT, mAvg;
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private float mFontHeight;
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private int currentDim= DIM_2D;
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private Static1D p1D;
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private Static2D p2D;
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private Static3D p3D;
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private Static4D p4D;
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private Static1D p1N;
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private Static2D p2N;
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private Static3D p3N;
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private Static4D p4N;
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private float[] mPoints = new float[MAX_DIM*NUM_POINTS];
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private boolean mRunning;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public DynamicSurfaceView(Context context, AttributeSet attrs)
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{
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super(context, attrs);
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DynamicActivity act = (DynamicActivity)context;
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mAct = new WeakReference<>(act);
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mPaint = new Paint();
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mPaint.setStyle(Style.FILL);
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mPaint.setAntiAlias(true);
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mDuration = 10000;
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mCount = 0.0f;
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mPosition = 0;
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mDiffTime = -1;
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mLastTime = -1;
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mStartTime= -1;
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mMoving = -1;
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mRunning = false;
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for(int i=0; i<MAX_DIM; i++) mNoise[i] = 0.0f;
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clearPoints();
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di1D = new Dynamic1D(mDuration,mCount);
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p1N = new Static1D(mNoise[0]);
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di2D = new Dynamic2D(mDuration,mCount);
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p2N = new Static2D(mNoise[0],mNoise[1]);
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di3D = new Dynamic3D(mDuration,mCount);
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p3N = new Static3D(mNoise[0],mNoise[1],mNoise[2]);
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di4D = new Dynamic4D(mDuration,mCount);
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p4N = new Static4D(mNoise[0],mNoise[1],mNoise[2],mNoise[3]);
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di1D.setAccessType(Dynamic.ACCESS_TYPE_SEQUENTIAL);
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di2D.setAccessType(Dynamic.ACCESS_TYPE_SEQUENTIAL);
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di3D.setAccessType(Dynamic.ACCESS_TYPE_SEQUENTIAL);
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di4D.setAccessType(Dynamic.ACCESS_TYPE_SEQUENTIAL);
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if(!isInEditMode())
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{
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setFocusable(true);
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setFocusableInTouchMode(true);
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DynamicRenderer mRenderer = new DynamicRenderer(this);
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final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
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setEGLContextClientVersion( (configurationInfo.reqGlEsVersion>>16) >= 3 ? 3:2 );
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setRenderer(mRenderer);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceChanged(int width,int height)
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{
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mAvg = (width+height)/2;
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mSize1 = mAvg/150;
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mSize2 = mAvg/50;
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mSizeT = mAvg/30;
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mPaint.setTextSize(mSizeT);
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mPaint.setTextAlign(Paint.Align.CENTER);
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final Rect textBounds = new Rect();
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String text = "1";
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mPaint.getTextBounds(text, 0, text.length(), textBounds);
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mFontHeight = textBounds.exactCenterY();
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clearPoints();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setHalfWidth(int hw)
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{
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halfScreenWidth = hw;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setHalfHeight(int hh)
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{
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halfScreenHeight = hh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setMode(int mode)
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{
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di1D.setMode(mode);
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di2D.setMode(mode);
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di3D.setMode(mode);
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di4D.setMode(mode);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setDuration(int duration)
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{
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mDuration = duration;
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di1D.setDuration(duration);
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di2D.setDuration(duration);
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di3D.setDuration(duration);
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di4D.setDuration(duration);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setCount(float count)
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{
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mCount = count;
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di1D.setCount(count);
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di2D.setCount(count);
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di3D.setCount(count);
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di4D.setCount(count);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setConvexity(float convexity)
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{
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di1D.setConvexity(convexity);
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di2D.setConvexity(convexity);
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di3D.setConvexity(convexity);
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di4D.setConvexity(convexity);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setNoise(float noise0, float noise1, float noise2, float noise3)
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{
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mNoise[0] = noise0;
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mNoise[1] = noise1;
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mNoise[2] = noise2;
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mNoise[3] = noise3;
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p1N.set(mNoise[0]);
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p2N.set(mNoise[0],mNoise[1]);
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p3N.set(mNoise[0],mNoise[1],mNoise[2]);
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p4N.set(mNoise[0],mNoise[1],mNoise[2], mNoise[3]);
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di1D.setNoise(p1N);
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di2D.setNoise(p2N);
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di3D.setNoise(p3N);
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di4D.setNoise(p4N);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setDimension(int dim)
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{
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if( currentDim != dim )
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{
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if( !(currentDim==DIM_3DXY && dim==DIM_3DXZ) && !(currentDim==DIM_3DXZ && dim==DIM_3DXY) &&
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!(currentDim==DIM_4DXY && dim==DIM_4DZW) && !(currentDim==DIM_4DZW && dim==DIM_4DXY) )
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{
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resetPoints();
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}
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currentDim = dim;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void drawCurve(Canvas c, long time)
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{
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if( mLastTime<0 )
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{
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mLastTime = time;
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}
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else
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{
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mDiffTime = time - mLastTime;
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}
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synchronized(lock)
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{
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switch(currentDim)
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{
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case DIM_1D : drawHorizontalAxis(c,"x");
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drawPath(c,di1D,0,1,time);
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drawRedPoints1D(c);
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break;
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case DIM_2D : drawHorizontalAxis(c,"x");
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drawVerticalAxis (c,"y");
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drawPath(c,di2D,0,1,time);
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drawRedPoints2D(c);
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break;
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case DIM_3DXY: drawHorizontalAxis(c,"x");
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drawVerticalAxis (c,"y");
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drawPath(c,di3D,0,1,time);
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drawRedPoints3D(c);
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break;
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case DIM_3DXZ: drawHorizontalAxis(c,"x");
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drawVerticalAxis (c,"z");
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drawPath(c,di3D,0,2,time);
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drawRedPoints3D(c);
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break;
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case DIM_4DXY: drawHorizontalAxis(c,"x");
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drawVerticalAxis (c,"y");
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drawPath(c,di4D,0,1,time);
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drawRedPoints4D(c);
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break;
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case DIM_4DZW: drawHorizontalAxis(c,"z");
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drawVerticalAxis (c,"w");
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drawPath(c,di4D,2,3,time);
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drawRedPoints4D(c);
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break;
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}
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}
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mLastTime = time;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void clearPoints()
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{
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for(int i=0; i<MAX_DIM*NUM_POINTS; i++)
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{
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mPoints[i] = -100000.0f;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void resetPoints()
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{
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synchronized(lock)
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{
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clearPoints();
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switch(currentDim)
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{
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case DIM_1D : di1D.removeAll(); break;
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case DIM_2D : di2D.removeAll(); break;
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case DIM_3DXY:
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case DIM_3DXZ: di3D.removeAll(); break;
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case DIM_4DXY:
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case DIM_4DZW: di4D.removeAll(); break;
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}
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DynamicActivity act = mAct.get();
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act.setNumRedPoints(0);
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act.clearPoints();
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void startDynamic()
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{
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mRunning = true;
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mLastTime= -1;
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mStartTime = System.currentTimeMillis();
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clearPoints();
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di1D.resetToBeginning();
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di2D.resetToBeginning();
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di3D.resetToBeginning();
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di4D.resetToBeginning();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void stopDynamic()
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{
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mRunning = false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void drawHorizontalAxis(Canvas c, String label)
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{
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mPaint.setColor(0xff000000);
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c.drawLine(0, halfScreenHeight, halfScreenWidth*2, halfScreenHeight, mPaint);
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c.drawText( label, 0.95f*halfScreenWidth*2, halfScreenHeight + mSizeT , mPaint);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void drawVerticalAxis(Canvas c, String label)
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{
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mPaint.setColor(0xff000000);
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c.drawLine(halfScreenWidth, 0, halfScreenWidth, halfScreenHeight*2, mPaint);
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c.drawText(label, halfScreenWidth + mSizeT, mSizeT , mPaint);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void drawPath(Canvas c, Dynamic dyn, int indexH, int indexW, long time)
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{
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int len = dyn.getNumPoints();
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if( len>=2 )
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{
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if( mRunning )
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{
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if ( ++mPosition >= NUM_POINTS ) mPosition=0;
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if( dyn.getDimension()==1 )
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{
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mPoints[MAX_DIM*mPosition+indexW] = halfScreenHeight;
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}
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409
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if( dyn.get(mPoints,MAX_DIM*mPosition, time-mStartTime, mDiffTime) )
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{
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stopDynamic();
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}
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addNewSpeedPoint(time);
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}
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for(int i=0; i<NUM_POINTS; i++)
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{
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int color = i<=mPosition ? 0xff - (mPosition -i)*0xff/(NUM_POINTS-1)
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: 0xff - (mPosition+NUM_POINTS-i)*0xff/(NUM_POINTS-1);
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mPaint.setColor( 0xffffff + ((color&0xff)<<24) );
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c.drawCircle(mPoints[MAX_DIM*i+indexH], mPoints[MAX_DIM*i+indexW] , mSize1, mPaint );
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void drawRedPoints1D(Canvas c)
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{
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int len = di1D.getNumPoints();
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for(int curr=0; curr<len; curr++)
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{
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p1D = di1D.getPoint(curr);
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drawRedPoint(c,curr+"", p1D.get1(), halfScreenHeight);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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443
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private void drawRedPoints2D(Canvas c)
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{
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int len = di2D.getNumPoints();
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for(int curr=0; curr<len; curr++)
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{
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p2D = di2D.getPoint(curr);
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drawRedPoint(c,curr+"", p2D.get1(), p2D.get2());
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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457
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private void drawRedPoints3D(Canvas c)
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458
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{
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459
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int len = di3D.getNumPoints();
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460
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461
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for(int curr=0; curr<len; curr++)
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462
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{
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463
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p3D = di3D.getPoint(curr);
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drawRedPoint(c,curr+"", p3D.get1(), currentDim==DIM_3DXY ? p3D.get2():p3D.get3());
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}
|
466
|
}
|
467
|
|
468
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
469
|
|
470
|
private void drawRedPoints4D(Canvas c)
|
471
|
{
|
472
|
int len = di4D.getNumPoints();
|
473
|
|
474
|
for(int curr=0; curr<len; curr++)
|
475
|
{
|
476
|
p4D = di4D.getPoint(curr);
|
477
|
|
478
|
if( currentDim==DIM_4DXY ) drawRedPoint(c,curr+"", p4D.get1(), p4D.get2());
|
479
|
else drawRedPoint(c,curr+"", p4D.get3(), p4D.get4());
|
480
|
}
|
481
|
}
|
482
|
|
483
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
484
|
|
485
|
private void drawRedPoint(Canvas c, String label, float width, float height)
|
486
|
{
|
487
|
mPaint.setColor(0xffff0000);
|
488
|
c.drawCircle( width, height, mSize2, mPaint);
|
489
|
mPaint.setColor(0xffffffff);
|
490
|
c.drawText(label, width,height-mFontHeight, mPaint);
|
491
|
}
|
492
|
|
493
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
494
|
|
495
|
private void addNewPoint(int x, int y)
|
496
|
{
|
497
|
float gx,gy,gz,gw;
|
498
|
int len;
|
499
|
int minDist = (mAvg*mAvg)/100;
|
500
|
|
501
|
switch(currentDim)
|
502
|
{
|
503
|
case DIM_1D : len = di1D.getNumPoints();
|
504
|
|
505
|
for(int g=0; g<len; g++)
|
506
|
{
|
507
|
p1D = di1D.getPoint(g);
|
508
|
gx = p1D.get1();
|
509
|
|
510
|
if( (x-gx)*(x-gx) < minDist )
|
511
|
{
|
512
|
mMoving = g;
|
513
|
break;
|
514
|
}
|
515
|
}
|
516
|
if( mMoving <0 )
|
517
|
{
|
518
|
synchronized(lock)
|
519
|
{
|
520
|
di1D.add(new Static1D(x));
|
521
|
mAct.get().setNumRedPoints(len+1);
|
522
|
}
|
523
|
}
|
524
|
break;
|
525
|
case DIM_2D : len = di2D.getNumPoints();
|
526
|
|
527
|
for(int g=0; g<len; g++)
|
528
|
{
|
529
|
p2D = di2D.getPoint(g);
|
530
|
gx = p2D.get1();
|
531
|
gy = p2D.get2();
|
532
|
|
533
|
if( (x-gx)*(x-gx) + (y-gy)*(y-gy) < minDist )
|
534
|
{
|
535
|
mMoving = g;
|
536
|
break;
|
537
|
}
|
538
|
}
|
539
|
if( mMoving <0 )
|
540
|
{
|
541
|
synchronized(lock)
|
542
|
{
|
543
|
di2D.add(new Static2D(x,y));
|
544
|
mAct.get().setNumRedPoints(len+1);
|
545
|
}
|
546
|
}
|
547
|
break;
|
548
|
case DIM_3DXY:
|
549
|
case DIM_3DXZ:len = di3D.getNumPoints();
|
550
|
|
551
|
for(int g=0; g<len; g++)
|
552
|
{
|
553
|
p3D = di3D.getPoint(g);
|
554
|
gx = p3D.get1();
|
555
|
gy = p3D.get2();
|
556
|
gz = p3D.get3();
|
557
|
|
558
|
if( currentDim==DIM_3DXY )
|
559
|
{
|
560
|
if( (x-gx)*(x-gx) + (y-gy)*(y-gy) < minDist )
|
561
|
{
|
562
|
mMoving = g;
|
563
|
break;
|
564
|
}
|
565
|
}
|
566
|
if( currentDim==DIM_3DXZ )
|
567
|
{
|
568
|
if( (x-gx)*(x-gx) + (y-gz)*(y-gz) < minDist )
|
569
|
{
|
570
|
mMoving = g;
|
571
|
break;
|
572
|
}
|
573
|
}
|
574
|
}
|
575
|
|
576
|
if( mMoving <0 )
|
577
|
{
|
578
|
synchronized(lock)
|
579
|
{
|
580
|
if( currentDim==DIM_3DXY ) di3D.add(new Static3D(x,y, halfScreenHeight));
|
581
|
if( currentDim==DIM_3DXZ ) di3D.add(new Static3D(x, halfScreenHeight,y));
|
582
|
mAct.get().setNumRedPoints(len+1);
|
583
|
}
|
584
|
}
|
585
|
break;
|
586
|
case DIM_4DXY:
|
587
|
case DIM_4DZW:len = di4D.getNumPoints();
|
588
|
|
589
|
for(int g=0; g<len; g++)
|
590
|
{
|
591
|
p4D = di4D.getPoint(g);
|
592
|
gx = p4D.get1();
|
593
|
gy = p4D.get2();
|
594
|
gz = p4D.get3();
|
595
|
gw = p4D.get4();
|
596
|
|
597
|
if( currentDim==DIM_4DXY )
|
598
|
{
|
599
|
if( (x-gx)*(x-gx) + (y-gy)*(y-gy) < minDist )
|
600
|
{
|
601
|
mMoving = g;
|
602
|
break;
|
603
|
}
|
604
|
}
|
605
|
if( currentDim==DIM_4DZW )
|
606
|
{
|
607
|
if( (x-gz)*(x-gz) + (y-gw)*(y-gw) < minDist )
|
608
|
{
|
609
|
mMoving = g;
|
610
|
break;
|
611
|
}
|
612
|
}
|
613
|
}
|
614
|
|
615
|
if( mMoving <0 )
|
616
|
{
|
617
|
synchronized(lock)
|
618
|
{
|
619
|
if( currentDim==DIM_4DXY ) di4D.add(new Static4D(x,y, halfScreenWidth, halfScreenHeight));
|
620
|
if( currentDim==DIM_4DZW ) di4D.add(new Static4D( halfScreenWidth, halfScreenHeight,x,y));
|
621
|
mAct.get().setNumRedPoints(len+1);
|
622
|
}
|
623
|
}
|
624
|
break;
|
625
|
}
|
626
|
}
|
627
|
|
628
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
629
|
|
630
|
private void addNewSpeedPoint(long time)
|
631
|
{
|
632
|
int prev = mPosition-1;
|
633
|
if( prev<0 ) prev = NUM_POINTS-1;
|
634
|
|
635
|
float xdiff = mPoints[MAX_DIM*prev ]-mPoints[MAX_DIM*mPosition ];
|
636
|
float ydiff = mPoints[MAX_DIM*prev+1]-mPoints[MAX_DIM*mPosition+1];
|
637
|
float zdiff = mPoints[MAX_DIM*prev+2]-mPoints[MAX_DIM*mPosition+2];
|
638
|
float wdiff = mPoints[MAX_DIM*prev+3]-mPoints[MAX_DIM*mPosition+3];
|
639
|
|
640
|
float dist = (float)Math.sqrt( xdiff*xdiff + ydiff*ydiff + zdiff*zdiff + wdiff*wdiff);
|
641
|
float speed= mDiffTime<=0 ? 0: dist / mDiffTime;
|
642
|
float timepoint = ((float)(time-mStartTime))/mDuration;
|
643
|
|
644
|
if( dist<1000.0f ) // otherwise this is a very first call; do not send it!
|
645
|
{
|
646
|
mAct.get().addPoint( timepoint - (int)timepoint, speed );
|
647
|
}
|
648
|
}
|
649
|
|
650
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
651
|
|
652
|
@Override
|
653
|
public boolean onTouchEvent(MotionEvent event)
|
654
|
{
|
655
|
int action = event.getAction();
|
656
|
int xDown, yDown;
|
657
|
|
658
|
switch(action)
|
659
|
{
|
660
|
case MotionEvent.ACTION_DOWN: xDown = (int)event.getX();
|
661
|
yDown = (int)event.getY();
|
662
|
|
663
|
addNewPoint(xDown,yDown);
|
664
|
|
665
|
break;
|
666
|
case MotionEvent.ACTION_MOVE: if( mMoving >=0 )
|
667
|
{
|
668
|
xDown = (int)event.getX();
|
669
|
yDown = (int)event.getY();
|
670
|
|
671
|
switch(currentDim)
|
672
|
{
|
673
|
case DIM_1D : di1D.setPoint(mMoving, xDown);
|
674
|
break;
|
675
|
case DIM_2D : di2D.setPoint(mMoving, xDown, yDown);
|
676
|
break;
|
677
|
case DIM_3DXY: di3D.setPoint(mMoving, xDown, yDown, (int)di3D.getPoint(mMoving).get3());
|
678
|
break;
|
679
|
case DIM_3DXZ: di3D.setPoint(mMoving, xDown, (int)di3D.getPoint(mMoving).get2(), yDown);
|
680
|
break;
|
681
|
case DIM_4DXY: di4D.setPoint(mMoving, xDown, yDown, (int)di4D.getPoint(mMoving).get3(), (int)di4D.getPoint(mMoving).get4());
|
682
|
break;
|
683
|
case DIM_4DZW: di4D.setPoint(mMoving, (int)di4D.getPoint(mMoving).get1(), (int)di4D.getPoint(mMoving).get2(), xDown, yDown);
|
684
|
break;
|
685
|
}
|
686
|
}
|
687
|
break;
|
688
|
case MotionEvent.ACTION_UP : mMoving = -1;
|
689
|
break;
|
690
|
}
|
691
|
|
692
|
return true;
|
693
|
}
|
694
|
}
|