X-Git-Url: http://gitweb.pgornicz.com/gitweb.cgi?a=blobdiff_plain;f=src%2FEntities%2FPhysicsEntity.cpp;h=9daff3a0bb58ca788651eca2186d0af6743ec261;hb=3d1f081343dc603a3292538eeb9bd794b255deb6;hp=2eadc345d3a4a0d0b94ab9b1a49d589409b8b4cf;hpb=ad9f1fb6bdfc51df61a7fb52d607ca0c0bceca4c;p=physics.git

diff --git a/src/Entities/PhysicsEntity.cpp b/src/Entities/PhysicsEntity.cpp
index 2eadc34..9daff3a 100644
--- a/src/Entities/PhysicsEntity.cpp
+++ b/src/Entities/PhysicsEntity.cpp
@@ -1,9 +1,31 @@
+/*
+ *  Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "PhysicsEntity.h"
-#include "../Vector2.h"
+#include "debug.h"
 
-/// ***** Public Class Methods *****
-PhysicsEntity::PhysicsEntity(Vector2 pos)
-    : Entity(pos)
+#include "effectManager.h"
+#include "Vector2.h"
+
+
+/// ***** Constructors/Destructors *****
+
+PhysicsEntity::PhysicsEntity(const Vector2& pos)
+    : Entity(pos), force(0,0), mass(1), CoR(0.8)
 {
 
 }
@@ -12,6 +34,8 @@ PhysicsEntity::~PhysicsEntity()
 
 }
 
+/// ***** Public Class Methods *****
+
 void PhysicsEntity::update(float time_step)
 {
     position = positionAt(time_step);
@@ -22,20 +46,42 @@ void PhysicsEntity::update(float time_step)
 
 Vector2 PhysicsEntity::positionAt(float time_step) const
 {
-    return force/mass / 2 * time_step * time_step + velocity * time_step + position;
+    Vector2 newPosition = position;
+    Vector2 newVelocity = velocity;
+    Vector2 newForce = force;
+
+    newPosition += effect::positionDelta(this, time_step);
+    newVelocity += effect::velocityDelta(this, time_step);
+    newForce += effect::forceDelta(this, time_step);
+
+    return newForce/mass / 2 * time_step * time_step + newVelocity * time_step + newPosition;
 }
 
 Vector2 PhysicsEntity::velocityAt(float time_step) const
 {
-    return force/mass / 2 * time_step + velocity;
+    Vector2 newForce = force;
+    Vector2 newVelocity = velocity;
+
+    newForce += effect::forceDelta(this, time_step);
+    newVelocity += effect::velocityDelta(this, time_step);
+
+    return newForce/mass / 2 * time_step + newVelocity;
 }
 
 void PhysicsEntity::applyForce(const Vector2& force)
 {
+    applyForce(force, position);
+}
+void PhysicsEntity::applyForce(const Vector2& force, const Vector2& at)
+{
     this->force += force;
 }
 
-void PhysicsEntity::applyImpulse(const Vector2& impluse)
+void PhysicsEntity::applyImpulse(const Vector2& impulse)
+{
+    applyImpulse(impulse, position);
+}
+void PhysicsEntity::applyImpulse(const Vector2& impulse, const Vector2& at)
 {
-    velocity += impluse;
+    velocity += impulse;
 }