+/*
+ * 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 "Screen.h"
#include "../Entities/PhysicsEntity.h"
/// ***** Public Class Methods *****
+Vector2 Screen::positionDelta(const PhysicsEntity* e, float time_step) const
+{
+ const Vector2& pos = e->positionRaw();
+
+ Vector2 acc(0,0);
+
+ float radius = 0;
+ const Ball* b = dynamic_cast<const Ball*>(e);
+ if( b != NULL )
+ radius = b->getRadius();
+
+
+ if(pos.y > 600-radius)
+ acc.y += 600-radius - pos.y;
+
+ if(pos.y < 0+radius)
+ acc.y += 0+radius - pos.y;
+
+ if(pos.x > 800-radius)
+ acc.x += 800-radius - pos.x;
+
+ if(pos.x < 0+radius)
+ acc.x += 0+radius - pos.x;
+
+ return acc;
+}
+
Vector2 Screen::velocityDelta(const PhysicsEntity* e, float time_step) const
{
const Vector2& pos = e->positionRaw();
Vector2 acc(0,0);
+ float CoR = e->CoR;
float radius = 0;
const Ball* b = dynamic_cast<const Ball*>(e);
if( b != NULL )
if(pos.y > 600-radius && velo.y > 0)
- acc.y += velo.y * -2;
+ acc.y += velo.y * -(1 + CoR);
if(pos.y < 0+radius && velo.y < 0)
- acc.y += velo.y * -2;
+ acc.y += velo.y * -(1 + CoR);
if(pos.x > 800-radius && velo.x > 0)
- acc.x += velo.x * -2;
+ acc.x += velo.x * -(1 + CoR);
if(pos.x < 0+radius && velo.x < 0)
- acc.x += velo.x * -2;
+ acc.x += velo.x * -(1 + CoR);
return acc;
}