createButtons.js

function createButtons(){
//Mountain Brush
buttonGroup = this.add.group();

    buttonMountain = this.add.button(736, 32, 'buttons', mountainOnClick, this, "mountainbutton0.png","mountainbuttonpush.png", "mountainbuttonpush.png");
    buttonMountain.fixedToCamera = true;
    buttonGroup.add(buttonMountain)

      function mountainOnClick () {
        currentLayer = terrainPop;
        currentTile = 5;
        }



    buttonGrass = this.add.button(736, 80, 'buttons', grassOnClick, this, "grassbutton0.png","grassbutton0.png", "grassbuttonpush.png");
    buttonGrass.fixedToCamera = true;
    buttonGroup.add(buttonGrass)

      function grassOnClick () {
        currentLayer = terrain;
        currentTile = 1;
        }


     buttonForest = this.add.button(736,128, 'buttons', forestOnClick, this, "forestbutton0.png","forestbutton0.png", "forestbuttonpush.png");
        buttonForest.fixedToCamera = true;
        buttonGroup.add(buttonForest)

      function forestOnClick () {
      currentLayer = terrainPop;
      currentTile = 3;
      }



    buttonGroup.onChildInputOver.add(onOver, this);
    buttonGroup.onChildInputOut.add(onOut, this);

    function onOver (buttonGroup) {

    buttonGroup.alpha = 0.7
    updateInput = false;
    terrain.input = false;
}
//changes alpha and tint on cursor hover out of the sprite
function onOut (buttonGroup) {

    buttonGroup.alpha = 1
}




}