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Revision 4fde55a0

Added by Leszek Koltunski over 8 years ago

ID 4fde55a034bce186f6a215c4417dd54c7eb6da79
Parent 20af7b69
Child 9b82becd

Beginnings of the WAVE effect.

     /**
      * Rotate part of the Object around the Center of the Effect by a certain angle.
+     *
      * @param swirl  The degree of Swirl. Positive values swirl clockwise.
      * @param swirl  The angle of Swirl (in degrees). Positive values swirl clockwise.
      * @param center 2-dimensional Data that, at any given time, returns the Center of the Effect.
      * @param region Region that masks the Effect.
      * @return       ID of the effect added, or -1 if we failed to add one.
-...
     /**
      * Rotate the whole Object around the Center of the Effect by a certain angle.
+     *
      * @param swirl  The degree of Swirl. Positive values swirl clockwise.
      * @param swirl  The angle of Swirl (in degrees). Positive values swirl clockwise.
      * @param center 2-dimensional Data that, at any given time, returns the Center of the Effect.
      * @return       ID of the effect added, or -1 if we failed to add one.
      */
-...
+        {
         return mV.add(EffectNames.SWIRL, swirl, center);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Directional, sinusoidal wave effect.
+     *
      * @param wave   A 3-dimensional data structure describing the wave: first member is the amplitude,
      *               second is the angle (in degrees, as always) the direction of the wave forms with
      *               the X-axis, and the third is the wave length.
      * @param center 2-dimensional Data that, at any given time, returns the Center of the Effect.
      * @return       ID of the effect added, or -1 if we failed to add one.
      */
       public long wave(Data3D wave, Data2D center)
+        {
         return mV.add(EffectNames.WAVE, wave, center);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Directional, sinusoidal wave effect.
+     *
      * @param wave   A 3-dimensional data structure describing the wave: first member is the amplitude,
      *               second is the angle (in degrees, as always) the direction of the wave forms with
      *               the X-axis, and the third is the wave length.
      * @param center 2-dimensional Data that, at any given time, returns the Center of the Effect.
      * @param region Region that masks the Effect.
      * @return       ID of the effect added, or -1 if we failed to add one.
      */
       public long wave(Data3D wave, Data2D center, Data4D region)
+        {
         return mV.add(EffectNames.WAVE, wave, center, region);
+        }
+      }

        * Unity: swirlAngle = 0
        */
       SWIRL            ( EffectTypes.VERTEX  ,   new float[] {0.0f}           ),
       /**
        * Directional sinusoidal wave effect. The direction of the wave is given by the 'angle'
        * parameter, which is the angle (in degrees) the direction forms with the X-axis.
        * <p>
        * Uniforms: (amplitude,angle,length,regionX,regionY,regionRX,regionRY,centerX,centerY)
        * Unity: amplitude  = 0
        */
       WAVE             ( EffectTypes.VERTEX  ,   new float[] {0.0f}           ),
       // add new Vertex Effects here...
      /////////////////////////////////////////////////////////////////////////////////

     class EffectQueueVertex extends EffectQueue
+      {
       private static final int NUM_UNIFORMS = 9;
       private static final int NUM_UNIFORMS = 12;
       private static final int INDEX = EffectTypes.VERTEX.ordinal();
       private static int mNumEffectsH;
       private static int mTypeH;
-...
             else mInter[0][i] = null;
+            }
           if( mInter[1][i]!=null )
           if( mInter[1][i]!=null )  // region
+            {
             mInter[1][i].interpolateMain(mUniforms, NUM_UNIFORMS*i+3, mCurrentDuration[i]);
             mInter[1][i].interpolateMain(mUniforms, NUM_UNIFORMS*i+8, mCurrentDuration[i]);
+            }
           if( mInter[2][i]!=null )
           if( mInter[2][i]!=null )  // center
+            {
             mInter[2][i].interpolateMain(mUniforms, NUM_UNIFORMS*i+7, mCurrentDuration[i]);
             mInter[2][i].interpolateMain(mUniforms, NUM_UNIFORMS*i+6, mCurrentDuration[i]);
             mUniforms[NUM_UNIFORMS*i+7] = mUniforms[NUM_UNIFORMS*i+7]-mObjHalfX;
             mUniforms[NUM_UNIFORMS*i+8] =-mUniforms[NUM_UNIFORMS*i+8]+mObjHalfY;
             mUniforms[NUM_UNIFORMS*i+6] = mUniforms[NUM_UNIFORMS*i+6]-mObjHalfX;
             mUniforms[NUM_UNIFORMS*i+7] =-mUniforms[NUM_UNIFORMS*i+7]+mObjHalfY;
+            }
           mCurrentDuration[i] += step;
-...
       protected void moveEffect(int index)
+        {
         mUniforms[NUM_UNIFORMS*index  ] = mUniforms[NUM_UNIFORMS*(index+1)  ];
         mUniforms[NUM_UNIFORMS*index+1] = mUniforms[NUM_UNIFORMS*(index+1)+1];
         mUniforms[NUM_UNIFORMS*index+2] = mUniforms[NUM_UNIFORMS*(index+1)+2];
         mUniforms[NUM_UNIFORMS*index+3] = mUniforms[NUM_UNIFORMS*(index+1)+3];
         mUniforms[NUM_UNIFORMS*index+4] = mUniforms[NUM_UNIFORMS*(index+1)+4];
         mUniforms[NUM_UNIFORMS*index+5] = mUniforms[NUM_UNIFORMS*(index+1)+5];
         mUniforms[NUM_UNIFORMS*index+6] = mUniforms[NUM_UNIFORMS*(index+1)+6];
         mUniforms[NUM_UNIFORMS*index+7] = mUniforms[NUM_UNIFORMS*(index+1)+7];
         mUniforms[NUM_UNIFORMS*index+8] = mUniforms[NUM_UNIFORMS*(index+1)+8];
         mUniforms[NUM_UNIFORMS*index   ] = mUniforms[NUM_UNIFORMS*(index+1)   ];
         mUniforms[NUM_UNIFORMS*index+ 1] = mUniforms[NUM_UNIFORMS*(index+1)+ 1];
         mUniforms[NUM_UNIFORMS*index+ 2] = mUniforms[NUM_UNIFORMS*(index+1)+ 2];
         mUniforms[NUM_UNIFORMS*index+ 3] = mUniforms[NUM_UNIFORMS*(index+1)+ 3];
         mUniforms[NUM_UNIFORMS*index+ 4] = mUniforms[NUM_UNIFORMS*(index+1)+ 4];
         mUniforms[NUM_UNIFORMS*index+ 5] = mUniforms[NUM_UNIFORMS*(index+1)+ 5];
         mUniforms[NUM_UNIFORMS*index+ 6] = mUniforms[NUM_UNIFORMS*(index+1)+ 6];
         mUniforms[NUM_UNIFORMS*index+ 7] = mUniforms[NUM_UNIFORMS*(index+1)+ 7];
         mUniforms[NUM_UNIFORMS*index+ 8] = mUniforms[NUM_UNIFORMS*(index+1)+ 8];
         mUniforms[NUM_UNIFORMS*index+ 9] = mUniforms[NUM_UNIFORMS*(index+1)+ 9];
         mUniforms[NUM_UNIFORMS*index+10] = mUniforms[NUM_UNIFORMS*(index+1)+10];
         mUniforms[NUM_UNIFORMS*index+11] = mUniforms[NUM_UNIFORMS*(index+1)+11];
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
-...
         if( mNumEffects>0 )
+          {
           GLES20.glUniform1iv( mTypeH    ,  mNumEffects, mName,0);
           GLES20.glUniform3fv( mUniformsH,3*mNumEffects, mUniforms,0);
           GLES20.glUniform1iv( mTypeH    ,  mNumEffects, mName    ,0);
           GLES20.glUniform4fv( mUniformsH,3*mNumEffects, mUniforms,0);
+          }
+        }
-...
     // Do various post-processing on already computed effects.
     // 1) here unlike in the fragment queue, we don't have to multiply the points by ModelView matrix because that gets done in the shader.
     // 2) in case of swirl, pre-compute the sine and cosine of its rotation angle
     // 3) likewise in case of wave
       void postprocess()
+        {
-...
           if( mName[i]==EffectNames.SWIRL.ordinal() )
+            {
             d = Math.PI*mUniforms[NUM_UNIFORMS*i]/180;
             mUniforms[NUM_UNIFORMS*i+1] = (float)Math.sin(d);
             mUniforms[NUM_UNIFORMS*i+2] = (float)Math.cos(d);
             mUniforms[NUM_UNIFORMS*i+4] = (float)Math.sin(d);
             mUniforms[NUM_UNIFORMS*i+5] = (float)Math.cos(d);
+            }
           if( mName[i]==EffectNames.WAVE.ordinal() )
+            {
             d = Math.PI*mUniforms[NUM_UNIFORMS*i+1]/180;
             mUniforms[NUM_UNIFORMS*i+4] = (float)Math.sin(d);
             mUniforms[NUM_UNIFORMS*i+5] = (float)Math.cos(d);
+            }
+          }
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // distort
     // distort, wave
       synchronized long add(EffectNames eln, Data3D data, Data2D center, Data4D region)
+        {
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // deform, distort
     // deform, distort, wave
       synchronized long add(EffectNames eln, Data3D data, Data2D center)
+        {
-...
             float z = tmp.getZ();
             mUniforms[NUM_UNIFORMS*mNumEffects+3] = tmp.getX();
             mUniforms[NUM_UNIFORMS*mNumEffects+4] =-tmp.getY();   // invert y already
             mUniforms[NUM_UNIFORMS*mNumEffects+5] = z<=0.0f ? 1000*mObjHalfX : z;
             mUniforms[NUM_UNIFORMS*mNumEffects+6] = tmp.getW();
             mUniforms[NUM_UNIFORMS*mNumEffects+ 8] = tmp.getX();
             mUniforms[NUM_UNIFORMS*mNumEffects+ 9] =-tmp.getY();   // invert y already
             mUniforms[NUM_UNIFORMS*mNumEffects+10] = z<=0.0f ? 1000*mObjHalfX : z;
             mUniforms[NUM_UNIFORMS*mNumEffects+11] = tmp.getW();
             mInter[1][mNumEffects] = null;
+            }
           else return -1;
+          }
         else
+          {
           mUniforms[NUM_UNIFORMS*mNumEffects+3] = 0.0f;
           mUniforms[NUM_UNIFORMS*mNumEffects+4] = 0.0f;
           mUniforms[NUM_UNIFORMS*mNumEffects+5] = 1000*mObjHalfX;
           mUniforms[NUM_UNIFORMS*mNumEffects+6] = 0.0f;
           mUniforms[NUM_UNIFORMS*mNumEffects+ 8] = 0.0f;
           mUniforms[NUM_UNIFORMS*mNumEffects+ 9] = 0.0f;
           mUniforms[NUM_UNIFORMS*mNumEffects+10] = 1000*mObjHalfX;
           mUniforms[NUM_UNIFORMS*mNumEffects+11] = 0.0f;
           mInter[1][mNumEffects] = null;
+          }
-...
         else if( center instanceof Static2D)
+          {
           mInter[2][mNumEffects] = null;
           mUniforms[NUM_UNIFORMS*mNumEffects+7] = ((Static2D)center).getX()-mObjHalfX;
           mUniforms[NUM_UNIFORMS*mNumEffects+8] =-((Static2D)center).getY()+mObjHalfY;
           mUniforms[NUM_UNIFORMS*mNumEffects+6] = ((Static2D)center).getX()-mObjHalfX;
           mUniforms[NUM_UNIFORMS*mNumEffects+7] =-((Static2D)center).getY()+mObjHalfY;
+          }
         return addBase(eln);

     #if NUM_VERTEX>0
     uniform int vType[NUM_VERTEX];            // their types.
     uniform vec3 vUniforms[3*NUM_VERTEX];     // i-th effect is 3 consecutive vec3's: [3*i], [3*i+1], [3*i+2].
                                               // The first 3 floats are the Interpolated values,
                                               // next 4 are the Region, next 2 are the Center.
     uniform vec4 vUniforms[3*NUM_VERTEX];     // i-th effect is 3 consecutive vec4's: [3*i], [3*i+1], [3*i+2].
                                               // The first vec4 is the Interpolated values,
                                               // next is half cache half Center, the third -  the Region.
     #endif
     #if NUM_VERTEX>0
-...
     // where a = PS*PO/|PS| but we are really looking for d = |PX|/(|PX|+|PS|) = 1/(1+ (|PS|/|PX|) ) and
     // |PX|/|PS| = -b + sqrt(b^2 + (OX^2-PO^2)/PS^2) where b=PS*PO/|PS|^2 which can be computed with only one sqrt.
     float degree_region(in vec3 region, in vec2 PS)
     float degree_region(in vec4 region, in vec2 PS)
+      {
       vec2 PO  = PS + region.xy;
       float D = region.z*region.z-dot(PO,PO);      // D = |OX|^2 - |PO|^2
-...
     //////////////////////////////////////////////////////////////////////////////////////////////
     // return min(degree_bitmap,degree_region). Just like degree_region, currently only supports circles.
     float degree(in vec3 region, in vec2 S, in vec2 PS)
     float degree(in vec4 region, in vec2 S, in vec2 PS)
+      {
       vec2 PO  = PS + region.xy;
       float D = region.z*region.z-dot(PO,PO);      // D = |OX|^2 - |PO|^2
-...
     void deform(in int effect, inout vec4 v)
+      {
       vec2 center = vUniforms[effect+2].yz;
       vec2 center = vUniforms[effect+1].zw;
       vec2 force = vUniforms[effect].xy;    // force = vec(MM')
       vec2 vert_vec, horz_vec;
       vec2 signXY = sign(center-v.xy);
-...
     void distort(in int effect, inout vec4 v, inout vec4 n)
+      {
       vec2 point = vUniforms[effect+2].yz;
       vec2 ps = point-v.xy;
       float d = degree(vUniforms[effect+1],point,ps);
       vec2 center = vUniforms[effect+1].zw;
       vec2 ps = center-v.xy;
       float d = degree(vUniforms[effect+2],center,ps);
       vec2 w = vec2(vUniforms[effect].x, -vUniforms[effect].y);
       float uz = vUniforms[effect].z;                                         // height of the bubble
       float denominator = dot(ps+(1.0-d)*w,ps);
-...
     void sink(in int effect,inout vec4 v)
+      {
       vec2 point = vUniforms[effect+2].yz;
       vec2 ps = point-v.xy;
       vec2 center = vUniforms[effect+1].zw;
       vec2 ps = center-v.xy;
       float h = vUniforms[effect].x;
       float t = degree(vUniforms[effect+1],point,ps) * (1.0-h)/max(1.0,h);
       float t = degree(vUniforms[effect+2],center,ps) * (1.0-h)/max(1.0,h);
       v.xy += t*ps;
+      }
-...
     void swirl(in int effect, inout vec4 v)
+      {
       vec2 S  = vUniforms[effect+2].yz;
       vec2 PS = S-v.xy;
       vec3 SO = vUniforms[effect+1];
       vec2 center  = vUniforms[effect+1].zw;
       vec2 PS = center-v.xy;
       vec4 SO = vUniforms[effect+2];
       float d1_circle = degree_region(SO,PS);
       float d1_bitmap = degree_bitmap(S,PS);
       float sinA = vUniforms[effect].y;                            // sin(A) precomputed in EffectListVertex.postprocess
       float cosA = vUniforms[effect].z;                            // cos(A) precomputed in EffectListVertex.postprocess
       vec2 PS2 = vec2( PS.x*cosA+PS.y*sinA,-PS.x*sinA+PS.y*cosA ); // vector PS rotated by A radians clockwise around S.
       vec3 SG = (1.0-d1_circle)*SO;                                // coordinates of the dilated circle P is going to get rotated around
       float d2 = max(0.0,degree(SG,S,PS2));                        // make it a max(0,deg) because otherwise when S=left edge of the
       float d1_bitmap = degree_bitmap(center,PS);
       float sinA = vUniforms[effect+1].x;                          // sin(A) precomputed in EffectListVertex.postprocess
       float cosA = vUniforms[effect+1].y;                          // cos(A) precomputed in EffectListVertex.postprocess
       vec2 PS2 = vec2( PS.x*cosA+PS.y*sinA,-PS.x*sinA+PS.y*cosA ); // vector PS rotated by A radians clockwise around center.
       vec4 SG = (1.0-d1_circle)*SO;                                // coordinates of the dilated circle P is going to get rotated around
       float d2 = max(0.0,degree(SG,center,PS2));                   // make it a max(0,deg) because otherwise when center=left edge of the
                                                                    // bitmap some points end up with d2<0 and they disappear off view.
       v.xy += min(d1_circle,d1_bitmap)*(PS - PS2/(1.0-d2));        // if d2=1 (i.e P=S) we should have P unchanged. How to do it?
       v.xy += min(d1_circle,d1_bitmap)*(PS - PS2/(1.0-d2));        // if d2=1 (i.e P=center) we should have P unchanged. How to do it?
+      }
     //////////////////////////////////////////////////////////////////////////////////////////////
     // WAVE EFFECT
     //
     // Directional sinusoidal wave effect.
     void wave(in int effect, inout vec4 v)
+      {
       vec2 center = vUniforms[effect+1].zw;
       vec2 ps = center-v.xy;
       float deg = degree_region(vUniforms[effect+2],ps);
       vec2 sincos = vUniforms[effect+1].xy;
       float amplitude = vUniforms[effect].x;
       float angle     = vUniforms[effect].y;
       float length    = vUniforms[effect].z;
       float d = dot( vec2(-ps.y,-ps.x),sincos );
       float num = length==0.0 ? 1.0 : d / length;
       float floornum = floor(num);
       float therest = num-floornum;
       float phi = mod(floornum,2.0) == 0.0 ? 1.0-therest:therest;
       v.xy += (phi*amplitude*deg*sincos);
+      }
     #endif
-...
         else if( vType[i]==DEFORM ) deform (3*i,v);
         else if( vType[i]==SINK   ) sink   (3*i,v);
         else if( vType[i]==SWIRL  ) swirl  (3*i,v);
         else if( vType[i]==WAVE   ) wave   (3*i,v);
+        }
       restrict(v.z);

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Distorted Android

Revision 4fde55a0

Added by Leszek Koltunski over 8 years ago