Add Origin Indicator drawable

openVulkanoCpp/Scene/Prefabs/OriginIndicatorDrawable.hpp

@@ -0,0 +1,46 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "Scene/Drawable.hpp"
+#include "Scene/Shader/Shader.hpp"
+#include "Scene/Node.hpp"
+
+namespace OpenVulkano::Scene
+{
+	class OriginIndicatorDrawable final : public Drawable
+	{
+		Shader m_shader;
+
+	public:
+		OriginIndicatorDrawable()
+			: Drawable(DrawEncoder::GetDrawEncoder<OriginIndicatorDrawable>(), DrawPhase::MAIN)
+		{
+			m_shader.cullMode = CullMode::NONE;
+			m_shader.topology = Topology::LINE_LIST;
+			m_shader.AddShaderProgram(ShaderProgramType::VERTEX, "Shader/originIndicator");
+			m_shader.AddShaderProgram(ShaderProgramType::FRAGMENT, "Shader/basic");
+			SetShader(&m_shader);
+		}
+	};
+	
+	class OriginIndicatorNode final : public Node
+	{
+		OriginIndicatorDrawable drawable;
+		
+		public:
+		OriginIndicatorNode(float size = 0.25f) : Node(Math::Utils::scale(Math::Vector3f(size, size, size)))
+		{
+			AddChild(&drawable);
+		}
+		
+		void SetSize(float size = 0.25f)
+		{
+			SetMatrix(Math::Utils::scale(Math::Vector3f(size, size, size)));
+		}
+	};
+}