1 files changed, 8 insertions, 4 deletions
diff --git a/tris/move.go b/tris/move.go
index 0e081ef..29140b8 100644
--- a/tris/move.go
+++ b/tris/move.go
@@ -1,5 +1,11 @@
 package tris
 
+func (p Placement) Floor(f Field) bool {
+	fp := p
+	fp.Y++
+	return fp.Collide(f)
+}
+
 func (p Placement) Move(f Field, rot Rotation, x, y int) (np Placement, floor, topout bool) {
 	np = p
 	np.Rot = rot
@@ -9,10 +15,8 @@ func (p Placement) Move(f Field, rot Rotation, x, y int) (np Placement, floor, t
 		return np, false, false
 	}
 	np = p // last resort reset p
-	fp := np
-	fp.Y++
-	if fp.Collide(f) && np.Y < 0 {
+	if np.Floor(f) && np.Y < 0 {
 		return np, true, true
 	}
-	return np, fp.Collide(f), false
+	return np, np.Floor(f), false
 }