1 files changed, 46 insertions, 0 deletions
diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h
new file mode 100644
index 0000000..a6f3486
--- /dev/null
+++ b/src/crepe/api/Transform.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "Component.h"
+#include "types.h"
+
+namespace crepe {
+
+/**
+ * \brief Transform component
+ *
+ * This class represents the Transform component. It stores the position, rotation and scale of
+ * a GameObject.
+ */
+class Transform : public Component {
+public:
+	//! Translation (shift)
+	vec2 position = {0, 0};
+	//! Rotation, in degrees clockwise
+	float rotation = 0;
+	//! Multiplication factor
+	float scale = 0;
+
+protected:
+	/**
+	 * \param id The id of the GameObject this component belongs to
+	 * \param point The position of the GameObject
+	 * \param rotation The rotation of the GameObject
+	 * \param scale The scale of the GameObject
+	 */
+	Transform(game_object_id_t id, const vec2 & point, double rotation, double scale);
+	/**
+	 * There is always exactly one transform component per entity
+	 * \return 1
+	 */
+	virtual int get_instances_max() const { return 1; }
+	//! ComponentManager instantiates all components
+	friend class ComponentManager;
+
+protected:
+	virtual std::unique_ptr<Component> save() const;
+	Transform(const Transform &) = default;
+	virtual void restore(const Component & snapshot);
+	virtual Transform & operator=(const Transform &) = default;
+};
+
+} // namespace crepe