doodle3d / contour-finding-experiment Goto Github PK

var nIndex = 0;
      
      for(var j = 0; j < neighborhood.length; j++){
        
        /// Get the index for every neighbor
        nIndex = index + neighborhood[i].offs * 4;
        
        if ( this.pixels[nIndex + 1] == this.fColor && nIndex != prevIndex) {
         	newPoint = { x: pt.x + neighborhood[i].xd, y: pt.y + neighborhood[i].yd }; 
          nextNeighbor = neighborhood[i].next;
          break;
        }
        
        // continue checking all neighbors
        i = (i + 1) % neighborhood.length;
      }
      
      if (newPoint == undefined || newPoint.x == undefined || newPoint.y == undefined){
       break; 
      } else {
        pt = newPoint;
      	points.push(pt);
      }
      
      prevIndex = nIndex;
      numPoints++;