From a0f7ab0f77fa81b77d03de751e4a5f4e07c49d25 Mon Sep 17 00:00:00 2001
From: Samu Laaksonen <laaksonen.sj@gmail.com>
Date: Thu, 18 Oct 2012 23:58:18 +0300
Subject: Box2d precommit

Added
- box2d source codes to be added in project when there is no longer cba
- some base ideas to display classes
Improved
- level loading : layer with property "solid" is now loaded tile by
tile, this allows adding static rigid bodies to these items for
collision detection
---
 Box2D/Dynamics/b2TimeStep.h | 70 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Box2D/Dynamics/b2TimeStep.h

(limited to 'Box2D/Dynamics/b2TimeStep.h')

diff --git a/Box2D/Dynamics/b2TimeStep.h b/Box2D/Dynamics/b2TimeStep.h
new file mode 100644
index 0000000..a372762
--- /dev/null
+++ b/Box2D/Dynamics/b2TimeStep.h
@@ -0,0 +1,70 @@
+/*
+* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef B2_TIME_STEP_H
+#define B2_TIME_STEP_H
+
+#include <Box2D/Common/b2Math.h>
+
+/// Profiling data. Times are in milliseconds.
+struct b2Profile
+{
+	float32 step;
+	float32 collide;
+	float32 solve;
+	float32 solveInit;
+	float32 solveVelocity;
+	float32 solvePosition;
+	float32 broadphase;
+	float32 solveTOI;
+};
+
+/// This is an internal structure.
+struct b2TimeStep
+{
+	float32 dt;			// time step
+	float32 inv_dt;		// inverse time step (0 if dt == 0).
+	float32 dtRatio;	// dt * inv_dt0
+	int32 velocityIterations;
+	int32 positionIterations;
+	bool warmStarting;
+};
+
+/// This is an internal structure.
+struct b2Position
+{
+	b2Vec2 c;
+	float32 a;
+};
+
+/// This is an internal structure.
+struct b2Velocity
+{
+	b2Vec2 v;
+	float32 w;
+};
+
+/// Solver Data
+struct b2SolverData
+{
+	b2TimeStep step;
+	b2Position* positions;
+	b2Velocity* velocities;
+};
+
+#endif
-- 
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