finished move-In function for bricks in gui

secondapplet.pde

     }
 
     void swapShader(int pos1, int pos2) {
-      //if (pos1 >= 0 && pos2 < shaderList.size()) {
       Collections.swap(shaderList, pos1, pos2);
       Collections.swap(bricks, pos1, pos2);
       shaderList.get(pos1).pos = pos1;
       for (int i = 0; i < bricks.size(); i++) {
         bricks.get(i).updateSliderPos();
       }
-      //}
     }
 
     void moveShader(int pos1, int pos2) {
-      Shader s = shaderList.remove(pos1);
-      Brick b = bricks.remove(pos1);
 
-      shaderList.add(pos2, s);
-      bricks.add(pos2, b);
-      for (int i = 0; i < bricks.size(); i++) {
-        bricks.get(i).updateSliderPos();
+      if (pos2 > pos1) {
+        pos2 -=1;
+        for (int i = pos1; i < pos2; i++) {
+          swapShader(i, i+1);
+        }
+      } else { 
+        for (int i = pos1; i > pos2; i--) {
+          swapShader(i, i-1);
+        }
       }
     }
 
 
       if (mouseY > y-5 && mouseY < y+5 && pressedBrick != -1) {
         hoveringLineAbove = true;
+        if (pos > 0) {
+          bricks.get(pos-1).hovering = false;
+        }
       } else if (pos == bricks.size()-1 && mouseY > y+h-5 && mouseY < y+h+5 && pressedBrick != -1) {
         hoveringLineBelow = true;
       } else {
       stroke(150);
       strokeWeight(1);
       line(0, totalBrickHeight+h-1, width, totalBrickHeight+h-1);
-      
-      if(hoveringLineAbove){
+
+      if (hoveringLineAbove) {
         stroke(200);
         strokeWeight(5);
-        line(0,y,width,y);
+        line(0, y, width, y);
       }
-      if(hoveringLineBelow){
+      if (hoveringLineBelow) {
         stroke(200);
         strokeWeight(5);
-        line(0,y+h,width,y+h);
+        line(0, y+h, width, y+h);
       }
     }
   }
   void mouseReleased() {
     if (pressedBrick != -1) {
       bricks.get(pressedBrick).dragging = false;
-      
+
       for (int i = 0; i < bricks.size(); i++) {
         bricks.get(i).dragHovering = false;
-        if (pressedBrick != i && bricks.get(i).hovering && !bricks.get(i).hoveringLineAbove && !bricks.get(i).hoveringLineBelow) {
-          shaderManager.swapShader(pressedBrick, i);
-        }
-        
-        
-        if(pressedBrick != i && bricks.get(i).hoveringLineAbove){
-          shaderManager.moveShader(pressedBrick,i);
+        if (pressedBrick != i) {
+          if (bricks.get(i).hovering && !bricks.get(i).hoveringLineAbove && !bricks.get(i).hoveringLineBelow) {
+            shaderManager.swapShader(pressedBrick, i);
+          }
+
+          if (pressedBrick != i-1 && bricks.get(i).hoveringLineAbove) {
+            shaderManager.moveShader(pressedBrick, i);
+            break;
+          }
+          if (bricks.get(i).hoveringLineBelow) {
+            shaderManager.moveShader(pressedBrick, bricks.size()); //move to last
+          }
         }
-        if(pressedBrick != i && bricks.get(i).hoveringLineBelow){
-          shaderManager.moveShader(pressedBrick,bricks.size()-1); //move to last
-        }
-        
-        
-        
-        
       }
-      
+
       if (mouseX > binX && mouseX < binX+binS && mouseY > binY && mouseY < binY+binS) {
         println("removing");
         shaderManager.removeShader(pressedBrick);