titlescreen: camera follows terraini undulation

src/net/torvald/terrarum/ui/UITitleRemoConCredits.kt

@@ -0,0 +1,68 @@
+package net.torvald.terrarum.ui
+
+import com.badlogic.gdx.graphics.Color
+import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import net.torvald.terrarum.gameactors.Second
+
+class UITitleRemoConCredits(val superMenu: UICanvas) : UICanvas() {
+
+
+    val menuLabels = arrayOf(
+            "MENU_LABEL_CREDITS",
+            "MENU_CREDIT_GPL_DNT",
+            "MENU_LABEL_RETURN"
+    )
+
+
+    override var width: Int = UITitleRemoConRoot.remoConWidth
+    override var height: Int = UITitleRemoConRoot.getRemoConHeight(menuLabels)
+    override var openCloseTime: Second = 0f
+
+
+    private val menubar = UIItemTextButtonList(
+            this,
+            menuLabels,
+            this.width, this.height,
+            textAreaWidth = this.width,
+            readFromLang = true,
+            activeBackCol = Color(0),
+            highlightBackCol = Color(0),
+            backgroundCol = Color(0),
+            inactiveCol = Color.WHITE,
+            defaultSelection = null
+    )
+
+    init {
+        uiItems.add(menubar)
+
+
+        // attach listeners
+        menubar.buttons[menuLabels.indexOf("MENU_LABEL_RETURN")].clickOnceListener = { _, _, _ ->
+            superMenu.handler.setAsOpen()
+            this.handler.setAsClose()
+        }
+    }
+
+    override fun update(delta: Float) {
+        menubar.update(delta)
+    }
+
+    override fun render(batch: SpriteBatch) {
+        menubar.render(batch)
+    }
+
+    override fun doOpening(delta: Float) {
+    }
+
+    override fun doClosing(delta: Float) {
+    }
+
+    override fun endOpening(delta: Float) {
+    }
+
+    override fun endClosing(delta: Float) {
+    }
+
+    override fun dispose() {
+    }
+}