Added PulseCameraEvent.

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/events/PulseCameraEvent.kt

@@ -0,0 +1,59 @@
+package cn.rdlevel.rdkt.core.events
+
+
+import cn.rdlevel.rdkt.core.data.ROOM1
+import cn.rdlevel.rdkt.core.data.RoomsOrTopLayer
+import cn.rdlevel.rdkt.core.data.roomsOf
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+/**
+ * Pulses the camera by zooming in and out.
+ */
+@Serializable
+@SerialName("PulseCamera")
+public class PulseCameraEvent() : ActionEvent(), MutableRoomsOrTopLayerSpecificEvent {
+    /**
+     * The zoom strength of the pulse. Must between 0 and 2.
+     */
+    public var strength: Int = 1
+        set(value) {
+            require(value in 0..2) { "strength must be in range 0..2" }
+            field = value
+        }
+
+    /**
+     * The number of pulses. Must be non-negative.
+     */
+    public var count: Int = 1
+        set(value) {
+            require(value >= 0) { "count must be non-negative" }
+            field = value
+        }
+
+    /**
+     * The delay between each pulse in beats. Must be non-negative.
+     */
+    public var frequency: Double = 1.0
+        set(value) {
+            require(value >= 0) { "frequency must be non-negative" }
+            field = value
+        }
+
+    override var rooms: RoomsOrTopLayer = roomsOf(ROOM1)
+
+    /**
+     * Creates a new [PulseCameraEvent] with the specified parameters.
+     */
+    public constructor(
+        strength: Int = 1,
+        count: Int = 1,
+        frequency: Double = 1.0,
+        rooms: RoomsOrTopLayer = roomsOf(ROOM1),
+    ) : this() {
+        this.strength = strength
+        this.count = count
+        this.frequency = frequency
+        this.rooms = rooms
+    }
+}