aa round rect done

gogame/rect/rect.go

@@ -7,3 +7,24 @@ import (
 func Rect(top ,left, width,height int) sdl.Rect {
 	return sdl.Rect{int32(top),int32(left),int32(width),int32(height)}
 }
+
+func InflateIp(rect *sdl.Rect,  x,y int) {
+
+	rect.X -= int32(x/2)
+	rect.Y -= int32(y/2)
+	rect.W += int32(x)
+	rect.H += int32(y)
+	
+}
+
+func Inflate(rect *sdl.Rect,  x,y int)  sdl.Rect {
+
+	r := sdl.Rect{0,0,0,0}
+	
+	r.X = rect.X - int32(x/2)
+	r.Y = rect.Y - int32(y/2)
+	r.W = rect.W + int32(x)
+	r.H = rect.H + int32(y)
+
+	return r
+}