feat: added PropertyMap divide Double and Int

Author: AlmasB

fxgl-core/src/main/kotlin/com/almasb/fxgl/core/collection/PropertyMap.kt

@@ -165,6 +165,14 @@ class PropertyMap {
         doubleProperty(propertyName).value *= value
     }
 
+    fun divide(propertyName: String, value: Int) {
+        intProperty(propertyName).value /= value
+    }
+
+    fun divide(propertyName: String, value: Double) {
+        doubleProperty(propertyName).value /= value
+    }
+
     fun getBoolean(propertyName: String) = booleanProperty(propertyName).value
 
     fun getInt(propertyName: String) = intProperty(propertyName).value

fxgl-core/src/test/kotlin/com/almasb/fxgl/core/collection/PropertyMapTest.kt

@@ -129,6 +129,18 @@ class PropertyMapTest {
         assertThat(map.getDouble("key3"), `is`(-90000.0))
     }
 
+    @Test
+    fun `Divide Double and Int`() {
+        map.setValue("key2", -55)
+        map.setValue("key3", 900.0)
+
+        map.divide("key2", 5)
+        assertThat(map.getInt("key2"), `is`(-11))
+
+        map.divide("key3", -100.0)
+        assertThat(map.getDouble("key3"), `is`(-9.0))
+    }
+
     @Test
     fun `Listeners`() {
         var count = 0