forked from bartvdbraak/blender
9f48aa45ad
Angular velocity clamping was missing from the BGE. It is implemented similarly to the linear velocity clamping. It is needed to be able to drive physical simulations of systems that have a limited rotational speed. Reviewed by: campbellbarton, panzergame, ton Differential Revision: https://developer.blender.org/D1365
68 lines
3.0 KiB
C
68 lines
3.0 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file PHY_Pro.h
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* \ingroup phys
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*/
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#ifndef __PHY_PRO_H__
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#define __PHY_PRO_H__
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#include <MT_Scalar.h>
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// Properties of dynamic objects
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struct PHY_ShapeProps {
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MT_Scalar m_mass; // Total mass
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MT_Scalar m_inertia; // Inertia, should be a tensor some time
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MT_Scalar m_lin_drag; // Linear drag (air, water) 0 = concrete, 1 = vacuum, inverted and called dampening in blenders UI
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MT_Scalar m_ang_drag; // Angular drag, inverted and called dampening in blenders UI
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MT_Scalar m_friction_scaling[3]; // Scaling for anisotropic friction. Component in range [0, 1]
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MT_Scalar m_clamp_vel_min; // Clamp the minimum velocity, this ensures an object moves at a minimum speed unless its stationary
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MT_Scalar m_clamp_vel_max; // Clamp max velocity
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MT_Scalar m_clamp_angvel_min; // Clamp the minimum angular velocity.
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MT_Scalar m_clamp_angvel_max; // Clamp the maximum angular velocity.
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bool m_do_anisotropic; // Should I do anisotropic friction?
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bool m_do_fh; // Should the object have a linear Fh spring?
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bool m_do_rot_fh; // Should the object have an angular Fh spring?
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MT_Scalar m_step_height; // Max height of climbable steps (Character)
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MT_Scalar m_jump_speed; // Velocity of jumps (Character)
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MT_Scalar m_fall_speed; // Max velocity of falling (Character)
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};
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// Properties of collidable objects (non-ghost objects)
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struct PHY_MaterialProps {
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MT_Scalar m_restitution; // restitution of energie after a collision 0 = inelastic, 1 = elastic
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MT_Scalar m_friction; // Coulomb friction (= ratio between the normal en maximum friction force)
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MT_Scalar m_fh_spring; // Spring constant (both linear and angular)
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MT_Scalar m_fh_damping; // Damping factor (linear and angular) in range [0, 1]
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MT_Scalar m_fh_distance; // The range above the surface where Fh is active.
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bool m_fh_normal; // Should the object slide off slopes?
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};
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#endif /* __PHY_PRO_H__ */
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