tmp commit
Merge branch 'master' of https://github.com/noblesseoblige6/SquallBall

Conflicts:
	Assembly-CSharp-vs.csproj
	Assembly-CSharp.csproj
add sprite animation of the tree
Tree effect appear based on the collided ball angle
Merge branch 'master' of https://github.com/noblesseoblige6/SquallBall

Conflicts:
	Assembly-CSharp-vs.csproj
	Assembly-CSharp.csproj
Merge branch 'master' into issue_67_akama

Conflicts:
	Assembly-CSharp-vs.csproj
	Assembly-CSharp.csproj
add the function generating the effect of the green ball
add comments in the genEffect
tmp commit
Merge branch 'master' of https://github.com/noblesseoblige6/SquallBall
Merge branch 'master' into issue_73_akama

Conflicts:
	Assembly-CSharp-vs.csproj
	Assembly-CSharp.csproj
	Assets/Scripts/For_Balls/GreenBall.cs
add new layers for cllision detection
Merge pull request #75 from noblesseoblige6/issue_73_akama

＃73　変更　BallクラスのcheckDestoryの返り値を設定などなど