X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FPlanet.hpp;h=3677ca4c92aeccd29e950920bc7461ca6c7c964f;hb=HEAD;hp=2034b8dc4c787b4f30e6a52eb87389402e1c1f95;hpb=0e061ce526fe46dd3e894223e5d646eb2e30f826;p=blobs.git

diff --git a/src/world/Planet.hpp b/src/world/Planet.hpp
index 2034b8d..3677ca4 100644
--- a/src/world/Planet.hpp
+++ b/src/world/Planet.hpp
@@ -41,6 +41,8 @@ public:
 	double ElevationAt(const glm::dvec3 &p) const noexcept { return glm::length(p) - Radius(); }
 	/// distance to planet center
 	double DistanceAt(const glm::dvec3 &p) const noexcept { return glm::length(p); }
+	/// acceleration due to gravity at given point
+	glm::dvec3 GravityAt(const glm::dvec3 &p) const noexcept { return NormalAt(p) * (-GravitationalParameter() / glm::length2(p)); }
 
 	/// get ground tile
 	Tile &TileAt(const glm::dvec3 &) noexcept;
@@ -58,7 +60,7 @@ public:
 	// center point of tile on surface at elevation
 	glm::dvec3 TileCenter(int surface, int x, int y, double elevation = 0.0) const noexcept;
 
-	void BuildVAO(const Set<TileType> &);
+	void BuildVAO();
 	void Draw(app::Assets &, graphics::Viewport &) override;
 
 private:
@@ -86,6 +88,9 @@ private:
 		glm::vec3 position;
 		glm::vec3 normal;
 		glm::vec3 tex_coord;
+		float shiny;
+		float glossy;
+		float metallic;
 	};
 	std::unique_ptr<graphics::SimpleVAO<Attributes, unsigned int>> vao;