diff --git a/base/VulkanUIOverlay.cpp b/base/VulkanUIOverlay.cpp
index edc2c77c..19310638 100644
--- a/base/VulkanUIOverlay.cpp
+++ b/base/VulkanUIOverlay.cpp
@@ -1,3 +1,4 @@
+#include "VulkanUIOverlay.h"
 /*
 * UI overlay class using ImGui
 *
@@ -563,6 +564,14 @@ namespace vks
 		return ImGui::Checkbox(caption, value);
 	}
 
+	bool UIOverlay::checkBox(const char *caption, int32_t *value)
+	{
+		bool val = (*value == 1);
+		bool res = ImGui::Checkbox(caption, &val);
+		*value = val;
+		return res;
+	}
+
 	bool UIOverlay::inputFloat(const char *caption, float *value, float step, uint32_t precision)
 	{
 		return ImGui::InputFloat(caption, value, step, step * 10.0f, precision);
@@ -574,6 +583,11 @@ namespace vks
 		return false;
 	}
 
+	bool UIOverlay::sliderInt(const char* caption, int32_t* value, int32_t min, int32_t max)
+	{
+		return ImGui::SliderInt(caption, value, min, max);
+	}
+
 	bool UIOverlay::comboBox(const char *caption, int32_t *itemindex, std::vector<std::string> items)
 	{
 		if (items.empty()) {
@@ -587,6 +601,11 @@ namespace vks
 		return ImGui::Combo(caption, itemindex, &charitems[0], static_cast<uint32_t>(charitems.size()), 4);
 	}
 
+	bool UIOverlay::button(const char *caption)
+	{
+		return ImGui::Button(caption);
+	}
+
 	void UIOverlay::text(const char *formatstr, ...)
 	{
 		va_list args;
diff --git a/base/VulkanUIOverlay.h b/base/VulkanUIOverlay.h
index c5be108b..c32b656f 100644
--- a/base/VulkanUIOverlay.h
+++ b/base/VulkanUIOverlay.h
@@ -89,9 +89,12 @@ namespace vks
 
 		bool header(const char* caption);
 		bool checkBox(const char* caption, bool* value);
+		bool checkBox(const char* caption, int32_t* value);
 		bool inputFloat(const char* caption, float* value, float step, uint32_t precision);
 		bool sliderFloat(const char* caption, float* value, float min, float max);
+		bool sliderInt(const char* caption, int32_t* value, int32_t min, int32_t max);
 		bool comboBox(const char* caption, int32_t* itemindex, std::vector<std::string> items);
-		void text(const char* formatstr, ...);		
+		bool button(const char* caption);
+		void text(const char* formatstr, ...);
 	};
 }
\ No newline at end of file