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package org.distorted.examples.interpolator;
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import android.content.Context;
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import android.opengl.GLSurfaceView;
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import android.os.Build;
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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.Interpolator1D;
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import org.distorted.library.Interpolator2D;
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import org.distorted.library.Interpolator3D;
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import org.distorted.library.Float1D;
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import org.distorted.library.Float2D;
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import org.distorted.library.Float3D;
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///////////////////////////////////////////////////////////////////
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public class InterpolatorSurfaceView 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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private static final int NUM_INTERPOLATIONS= 100;
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private static final int MAX_VECTORS = 6;
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private InterpolatorRenderer mRenderer;
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private static int xDown,yDown;
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private static int mScrW, mScrH;
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private static Interpolator1D di1D;
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private static Interpolator2D di2D;
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private static Interpolator3D di3D;
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private static Paint mPaint;
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private static int moving;
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private static Object lock = new Object();
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private static long mTime = 0;
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private static int mDuration;
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private static float mPosition;
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private static float mNoise;
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private static int currentDim = DIM_2D;
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private static Float1D p1D;
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private static Float2D p2D;
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private static Float3D p3D;
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private static float[] mDrawCoord = new float[3];
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///////////////////////////////////////////////////////////////////
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public InterpolatorSurfaceView(Context c, AttributeSet attrs)
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{
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super(c, attrs);
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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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moving = -1;
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mDuration = 10000;
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mPosition = 0;
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mNoise = 0.0f;
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di1D = new Interpolator1D();
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di1D.setDuration(mDuration);
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di1D.setNoise(mNoise);
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di2D = new Interpolator2D();
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di2D.setDuration(mDuration);
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di2D.setNoise(mNoise);
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di3D = new Interpolator3D();
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di3D.setDuration(mDuration);
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di3D.setNoise(mNoise);
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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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setEGLContextClientVersion(2);
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if( Build.FINGERPRINT.startsWith("generic") ) // when running on the emulator, insert a magic line that is
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{ // supposed to cure the 'no config chosen' crash on emulator startup
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setEGLConfigChooser(8, 8, 8, 8, 16, 0);
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}
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mRenderer = new InterpolatorRenderer(this);
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setRenderer(mRenderer);
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}
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}
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///////////////////////////////////////////////////////////////////
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public static 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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}
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///////////////////////////////////////////////////////////////////
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public static void setScreenSize(int width, int height)
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{
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mScrW = width;
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mScrH = height;
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}
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///////////////////////////////////////////////////////////////////
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public static 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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}
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///////////////////////////////////////////////////////////////////
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public static void setNoise(float noise)
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{
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mNoise = noise;
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di1D.setNoise(noise);
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di2D.setNoise(noise);
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di3D.setNoise(noise);
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}
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///////////////////////////////////////////////////////////////////
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public static 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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{
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synchronized(lock)
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{
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di1D.removeAll();
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di2D.removeAll();
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di3D.removeAll();
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}
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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 static void drawCurve(Canvas c, long time)
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{
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mPosition += (mTime>0 && mDuration>0) ? ((float)(time-mTime)*NUM_INTERPOLATIONS/mDuration) : 0;
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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: drawCurve1D(c,time); break;
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case DIM_2D: drawCurve2D(c,time); break;
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default : drawCurve3D(c,time); break;
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}
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}
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mTime = time;
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}
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///////////////////////////////////////////////////////////////////
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private static void drawCurve1D(Canvas c, long time)
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{
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int len = di1D.getNumPoints();
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mPaint.setColor(0xff000000);
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c.drawLine(0, InterpolatorRenderer.BHEI/2, InterpolatorRenderer.BWID, InterpolatorRenderer.BHEI/2, mPaint);
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c.drawText("x", 0.95f*InterpolatorRenderer.BWID, 0.55f*InterpolatorRenderer.BHEI , mPaint);
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if( len>=2 )
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{
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for(int i=0; i<NUM_INTERPOLATIONS; i++)
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{
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int color = i<=mPosition ? 0xff - ((int)mPosition -i)*0xff/(NUM_INTERPOLATIONS-1)
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: 0xff - ((int)mPosition+NUM_INTERPOLATIONS-i)*0xff/(NUM_INTERPOLATIONS-1);
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mPaint.setColor( 0xffffff + ((color&0xff)<<24) );
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di1D.interpolate(mDrawCoord,0, (float)i/NUM_INTERPOLATIONS);
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c.drawCircle(mDrawCoord[0], InterpolatorRenderer.BHEI/2 , 2.0f, mPaint );
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}
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}
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mPaint.setColor(0xffff0000);
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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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c.drawCircle(p1D.getX(), InterpolatorRenderer.BHEI/2 , 5.0f, mPaint);
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}
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}
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///////////////////////////////////////////////////////////////////
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private static void drawCurve2D(Canvas c, long time)
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{
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int len = di2D.getNumPoints();
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mPaint.setColor(0xff000000);
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c.drawLine(0, InterpolatorRenderer.BHEI/2, InterpolatorRenderer.BWID, InterpolatorRenderer.BHEI/2, mPaint);
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c.drawLine(InterpolatorRenderer.BWID/2, 0, InterpolatorRenderer.BWID/2, InterpolatorRenderer.BHEI, mPaint);
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c.drawText("x", 0.95f*InterpolatorRenderer.BWID, 0.55f*InterpolatorRenderer.BHEI , mPaint);
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c.drawText("y", 0.55f*InterpolatorRenderer.BWID, 0.05f*InterpolatorRenderer.BHEI , mPaint);
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if( len>=2 )
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{
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for(int i=0; i<NUM_INTERPOLATIONS; i++)
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{
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int color = i<=mPosition ? 0xff - ((int)mPosition -i)*0xff/(NUM_INTERPOLATIONS-1)
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: 0xff - ((int)mPosition+NUM_INTERPOLATIONS-i)*0xff/(NUM_INTERPOLATIONS-1);
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mPaint.setColor( 0xffffff + ((color&0xff)<<24) );
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di2D.interpolate(mDrawCoord,0, (float)i/NUM_INTERPOLATIONS);
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c.drawCircle(mDrawCoord[0], mDrawCoord[1], 2.0f, mPaint );
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}
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}
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mPaint.setColor(0xffff0000);
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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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c.drawCircle(p2D.getX(),p2D.getY(), 5.0f, mPaint);
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}
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}
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///////////////////////////////////////////////////////////////////
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private static void drawCurve3D(Canvas c, long time)
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{
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int len = di3D.getNumPoints();
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mPaint.setColor(0xff000000);
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c.drawLine(0, InterpolatorRenderer.BHEI/2, InterpolatorRenderer.BWID, InterpolatorRenderer.BHEI/2, mPaint);
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c.drawLine(InterpolatorRenderer.BWID/2, 0, InterpolatorRenderer.BWID/2, InterpolatorRenderer.BHEI, mPaint);
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257
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c.drawText("x", 0.95f*InterpolatorRenderer.BWID, 0.55f*InterpolatorRenderer.BHEI , mPaint);
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c.drawText( currentDim==DIM_3DXY ? "y" : "z", 0.55f*InterpolatorRenderer.BWID, 0.05f*InterpolatorRenderer.BHEI , mPaint);
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260
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if( len>=2 )
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{
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262
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for(int i=0; i<NUM_INTERPOLATIONS; i++)
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{
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int color = i<=mPosition ? 0xff - ((int)mPosition -i)*0xff/(NUM_INTERPOLATIONS-1)
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: 0xff - ((int)mPosition+NUM_INTERPOLATIONS-i)*0xff/(NUM_INTERPOLATIONS-1);
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266
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267
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mPaint.setColor( 0xffffff + ((color&0xff)<<24) );
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di3D.interpolate(mDrawCoord,0, (float)i/NUM_INTERPOLATIONS);
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269
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c.drawCircle(mDrawCoord[0], mDrawCoord[currentDim==DIM_3DXY ? 1:2], 2.0f, mPaint );
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270
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}
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271
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}
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272
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273
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mPaint.setColor(0xffff0000);
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274
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275
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for(int curr=0; curr<len; curr++)
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276
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{
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277
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p3D = di3D.getPoint(curr);
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278
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c.drawCircle(p3D.getX(), currentDim==DIM_3DXY ? p3D.getY():p3D.getZ(), 5.0f, mPaint);
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279
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}
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280
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}
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281
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282
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///////////////////////////////////////////////////////////////////
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283
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284
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private void addNewPoint(int x, int y)
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285
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{
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286
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float gx,gy,gz;
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287
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int len;
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288
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289
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switch(currentDim)
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290
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{
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291
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case DIM_1D: len = di1D.getNumPoints();
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292
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293
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for(int g=0; g<len; g++)
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294
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{
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295
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p1D = di1D.getPoint(g);
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296
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gx = p1D.getX();
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297
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298
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if( (xDown-gx)*(xDown-gx) < (InterpolatorRenderer.BHEI)*(InterpolatorRenderer.BHEI)/100 )
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299
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{
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300
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moving = g;
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301
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break;
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302
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}
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303
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}
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304
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if( moving<0 )
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305
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{
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306
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synchronized(lock)
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307
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{
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308
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if( len>=MAX_VECTORS ) di1D.removeAll();
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309
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di1D.add(new Float1D(xDown));
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310
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}
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311
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}
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312
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break;
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313
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case DIM_2D: len = di2D.getNumPoints();
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314
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315
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for(int g=0; g<len; g++)
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316
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{
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317
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p2D = di2D.getPoint(g);
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318
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gx = p2D.getX();
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319
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gy = p2D.getY();
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320
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321
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if( (xDown-gx)*(xDown-gx) + (yDown-gy)*(yDown-gy) < (InterpolatorRenderer.BHEI)*(InterpolatorRenderer.BHEI)/100 )
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322
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{
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323
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moving = g;
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324
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break;
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325
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}
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326
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}
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327
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if( moving<0 )
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328
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{
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329
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synchronized(lock)
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330
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{
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331
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if( len>=MAX_VECTORS ) di2D.removeAll();
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332
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di2D.add(new Float2D(xDown,yDown));
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333
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}
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334
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}
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335
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break;
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336
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default : len = di3D.getNumPoints();
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337
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338
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for(int g=0; g<len; g++)
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339
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{
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340
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p3D = di3D.getPoint(g);
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341
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gx = p3D.getX();
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342
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gy = p3D.getY();
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343
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gz = p3D.getZ();
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344
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345
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if( currentDim==DIM_3DXY )
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346
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{
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347
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if( (xDown-gx)*(xDown-gx) + (yDown-gy)*(yDown-gy) < (InterpolatorRenderer.BHEI)*(InterpolatorRenderer.BHEI)/100 )
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348
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{
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349
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moving = g;
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350
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break;
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351
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}
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352
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}
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353
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if( currentDim==DIM_3DXZ )
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354
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{
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355
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if( (xDown-gx)*(xDown-gx) + (yDown-gz)*(yDown-gz) < (InterpolatorRenderer.BHEI)*(InterpolatorRenderer.BHEI)/100 )
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356
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{
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357
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moving = g;
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358
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break;
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359
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}
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360
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}
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361
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}
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362
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if( moving<0 )
|
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363
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{
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364
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synchronized(lock)
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365
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{
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366
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if( len>=MAX_VECTORS ) di3D.removeAll();
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367
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368
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if( currentDim==DIM_3DXY )
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369
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{
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370
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di3D.add(new Float3D(xDown,yDown,InterpolatorRenderer.BHEI/2));
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371
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}
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372
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if( currentDim==DIM_3DXZ )
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373
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{
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374
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di3D.add(new Float3D(xDown,InterpolatorRenderer.BHEI/2,yDown));
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375
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}
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376
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}
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377
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}
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378
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break;
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379
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}
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380
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}
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381
|
|
|
382
|
///////////////////////////////////////////////////////////////////
|
|
383
|
|
|
384
|
@Override public boolean onTouchEvent(MotionEvent event)
|
|
385
|
{
|
|
386
|
int action = event.getAction();
|
|
387
|
|
|
388
|
switch(action)
|
|
389
|
{
|
|
390
|
case MotionEvent.ACTION_DOWN: xDown = (int)event.getX()*InterpolatorRenderer.BWID/mScrW;
|
|
391
|
yDown = (int)event.getY()*InterpolatorRenderer.BHEI/mScrH;
|
|
392
|
|
|
393
|
addNewPoint(xDown,yDown);
|
|
394
|
|
|
395
|
break;
|
|
396
|
case MotionEvent.ACTION_MOVE: if( moving>=0 )
|
|
397
|
{
|
|
398
|
xDown = (int)event.getX()*InterpolatorRenderer.BWID/mScrW;
|
|
399
|
yDown = (int)event.getY()*InterpolatorRenderer.BHEI/mScrH;
|
|
400
|
|
|
401
|
switch(currentDim)
|
|
402
|
{
|
|
403
|
case DIM_1D : di1D.setPoint(moving, xDown);
|
|
404
|
break;
|
|
405
|
case DIM_2D : di2D.setPoint(moving, xDown, yDown);
|
|
406
|
break;
|
|
407
|
case DIM_3DXY: di3D.setPoint(moving, xDown, yDown, (int)di3D.getPoint(moving).getZ());
|
|
408
|
break;
|
|
409
|
case DIM_3DXZ: di3D.setPoint(moving, xDown, (int)di3D.getPoint(moving).getY(), yDown);
|
|
410
|
break;
|
|
411
|
}
|
|
412
|
}
|
|
413
|
break;
|
|
414
|
case MotionEvent.ACTION_UP : moving = -1;
|
|
415
|
break;
|
|
416
|
}
|
|
417
|
|
|
418
|
return true;
|
|
419
|
}
|
|
420
|
|
|
421
|
///////////////////////////////////////////////////////////////////
|
|
422
|
}
|