X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=examples%2Fbassteroids%2Fsource%2Frigidbody.cpp;h=d677fb7ab778c0964cd777d593d58e179ce5987f;hb=bfbcfa2678c70d661cb9104b2ef677d7d7b5a637;hp=509e3a939cf0872ea4f2daa26e8f8184fe9c24cd;hpb=1819b186d60376a546722d99edd686e876b81d9f;p=libs%2Fgame.git

diff --git a/examples/bassteroids/source/rigidbody.cpp b/examples/bassteroids/source/rigidbody.cpp
index 509e3a9..d677fb7 100644
--- a/examples/bassteroids/source/rigidbody.cpp
+++ b/examples/bassteroids/source/rigidbody.cpp
@@ -1,18 +1,45 @@
 #include "rigidbody.h"
+#include <msp/game/entity.h>
+#include <msp/game/transform.h>
 
 using namespace Msp;
 
 RigidBody::RigidBody(Game::Handle<Game::Entity> e, const Setup &s):
-	Component(e),
+	BufferedComponent<RigidBodyData>(e),
 	setup(s)
 { }
 
 void RigidBody::set_velocity(const LinAl::Vector<float, 2> &v)
 {
-	velocity = v;
+	write().velocity = v;
 }
 
 void RigidBody::set_angular_velocity(Geometry::Angle<float> as)
 {
-	angular_velocity = as;
+	write().angular_velocity = as;
+}
+
+void RigidBody::add_force(const LinAl::Vector<float, 2> &f)
+{
+	write().force += f;
+}
+
+void RigidBody::add_force(const LinAl::Vector<float, 2> &f, const LinAl::Vector<float, 2> &p)
+{
+	Data &d = write();
+	d.force += f;
+	LinAl::Vector<float, 2> r = p-entity->get_transform()->get_position().slice<2>(0);
+	d.torque += r.x*f.y-r.y*f.x;
+}
+
+void RigidBody::add_torque(float t)
+{
+	write().torque += t;
+}
+
+void RigidBody::clear_forces()
+{
+	Data &d = write();
+	d.force = LinAl::Vector<float, 2>();
+	d.torque = 0.0f;
 }