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Fixed missing outtermost ripple, corrected offset parameter.

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This commit is contained in:
ippo615
2014-01-05 12:57:02 -05:00
parent ff952bf958
commit 5bf81355b8
1 changed files with 17 additions and 2 deletions
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19
src/filters/Ripple.js
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@@ -248,7 +248,7 @@
// Copy/repeat a section along the r axis for effect
//var nCopies = 8;
//var sectionHeight = Math.floor(ySize/nCopies);
var nCopies = Math.floor(ySize/rippleSize);
var nCopies = Math.ceil(ySize/rippleSize);
var sectionHeight = rippleSize;
var x,y,yoff,i, r,g,b,a, srcPos, dstPos;
for( x=0; x<xSize; x+=1 ){
@@ -259,8 +259,23 @@
g = scratchData.data[srcPos+1];
b = scratchData.data[srcPos+2];
a = scratchData.data[srcPos+3];
dstPos = (xSize*(y)+x)*4;
scratchData.data[dstPos+0] = r;
scratchData.data[dstPos+1] = g;
scratchData.data[dstPos+2] = b;
scratchData.data[dstPos+3] = a;
}
}
for( x=0; x<xSize; x+=1 ){
for( y=0; y<sectionHeight; y+=1 ){
yoff = Math.round(y+rippleOffset) % ySize;
srcPos = (xSize*y+x)*4;
r = scratchData.data[srcPos+0];
g = scratchData.data[srcPos+1];
b = scratchData.data[srcPos+2];
a = scratchData.data[srcPos+3];
for( i=1; i<nCopies; i+=1 ){
dstPos = (xSize*(sectionHeight*i+yoff)+x)*4;
dstPos = (xSize*(sectionHeight*i+y)+x)*4;
scratchData.data[dstPos+0] = r;
scratchData.data[dstPos+1] = g;
scratchData.data[dstPos+2] = b;