correct usage of quaternions :P

[blank.git] / src / world / Entity.hpp

diff --git a/src/world/Entity.hpp b/src/world/Entity.hpp
index a5723f43b6cd6afb85b9e959d9ec23fbf9cb2aac..078daa6fe0eb4e5a80236b1b696e757f88fa92c7 100644 (file)
--- a/src/world/Entity.hpp
+++ b/src/world/Entity.hpp
@@ -38,24 +38,38 @@ public:
        void Velocity(const glm::vec3 &) noexcept;
 
        const Block::Pos &Position() const noexcept { return position; }
+       void Position(const Chunk::Pos &, const Block::Pos &) noexcept;
        void Position(const Block::Pos &) noexcept;
        void Move(const glm::vec3 &delta) noexcept;
 
        const Chunk::Pos ChunkCoords() const noexcept { return chunk; }
 
-       const glm::quat &AngularVelocity() const noexcept { return angular_velocity; }
-       void AngularVelocity(const glm::quat &) noexcept;
+       glm::vec3 AbsolutePosition() const noexcept {
+               return glm::vec3(chunk * Chunk::Extent()) + position;
+       }
+       glm::vec3 AbsoluteDifference(const Entity &other) const noexcept {
+               return glm::vec3((chunk - other.chunk) * Chunk::Extent()) + position - other.position;
+       }
 
-       const glm::mat4 &Rotation() const noexcept { return rotation; }
-       void Rotation(const glm::mat4 &) noexcept;
+       /// direction is rotation axis, magnitude is speed in rad/ms
+       const glm::vec3 &AngularVelocity() const noexcept { return angular_velocity; }
+       void AngularVelocity(const glm::vec3 &) noexcept;
+
+       const glm::quat &Rotation() const noexcept { return rotation; }
+       void Rotation(const glm::quat &) noexcept;
        void Rotate(const glm::quat &delta) noexcept;
 
        glm::mat4 Transform(const Chunk::Pos &chunk_offset) const noexcept;
        Ray Aim(const Chunk::Pos &chunk_offset) const noexcept;
 
+       void Remove() noexcept { remove = true; }
+       bool CanRemove() const noexcept { return remove; }
+
        void Update(int dt) noexcept;
 
-       void Draw() noexcept;
+       void Draw() noexcept {
+               model.Draw();
+       }
 
 private:
        const Shape *shape;
@@ -69,10 +83,11 @@ private:
        Block::Pos position;
        Chunk::Pos chunk;
 
-       glm::quat angular_velocity;
-       glm::mat4 rotation;
+       glm::vec3 angular_velocity;
+       glm::quat rotation;
 
        bool world_collision;
+       bool remove;
 
 };