|
@@ -0,0 +1,38 @@
|
|
|
|
|
+На пример кода, будет слежующий вывод
|
|
|
|
|
+```
|
|
|
|
|
+ override fun area(): Float {
|
|
|
|
|
+ return width * height
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ override fun resize(zoom: Int) {
|
|
|
|
|
+ width*=zoom
|
|
|
|
|
+ height*=zoom
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ override fun rotate(direction: RotateDirection, centerX: Int, centerY: Int) {
|
|
|
|
|
+ var tmpX = x - centerX
|
|
|
|
|
+ var tmpY = y - centerY
|
|
|
|
|
+ if (direction == RotateDirection.CounterClockwise){
|
|
|
|
|
+ val buf = -tmpY
|
|
|
|
|
+ tmpY = tmpX
|
|
|
|
|
+ tmpX = buf
|
|
|
|
|
+ }else{
|
|
|
|
|
+ val buf = tmpY
|
|
|
|
|
+ tmpY = - tmpX
|
|
|
|
|
+ tmpX = buf
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ x = tmpX + centerX;
|
|
|
|
|
+ y = tmpY + centerY;
|
|
|
|
|
+ }
|
|
|
|
|
+```
|
|
|
|
|
+
|
|
|
|
|
+```
|
|
|
|
|
+Rect area:1.0 x:0 y:0 width:1 height:1
|
|
|
|
|
+Rect after resize 100.0 x:0 y:0 width:10 height:10
|
|
|
|
|
+Circle area:12.56 x:1.0 y:2.0 r:2.0
|
|
|
|
|
+Circle after resize area:1256.0 x:1.0 y:2.0 r:20.0
|
|
|
|
|
+Circle after rotation area:1256.0 x:2.0 y:1.0 r:20.0
|
|
|
|
|
+1256.0
|
|
|
|
|
+
|
|
|
|
|
+```
|
