X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FEntityController.hpp;fp=src%2Fworld%2FEntityController.hpp;h=3bfc10bb47b5a4118a587a7a3d8fe1908f78fb20;hb=f0a20986c573c4df1eb1212333489252c4b30efa;hp=526a3222fa4d985fc53094ab7e2c649376dfdd2e;hpb=0ab149c70b3f984b2cc0c7a122b4aa347bc5fd79;p=blank.git

diff --git a/src/world/EntityController.hpp b/src/world/EntityController.hpp
index 526a322..3bfc10b 100644
--- a/src/world/EntityController.hpp
+++ b/src/world/EntityController.hpp
@@ -35,6 +35,13 @@ struct EntityController {
 	) noexcept {
 		return (target - state.velocity) * n;
 	}
+	/// give a force that makes state come to a halt over 1/n seconds
+	static inline glm::vec3 Halt(
+		const EntityState &state,
+		float n
+	) noexcept {
+		return state.velocity * -n;
+	}
 
 };