forked from bartvdbraak/blender
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
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/*
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* Copyright (c) 2001-2005 Erwin Coumans <phy@erwincoumans.com>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Erwin Coumans makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#ifndef PHY_PROPSH
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#define PHY_PROPSH
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class CollisionShape;
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// Properties of dynamic objects
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struct PHY_ShapeProps {
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float m_mass; // Total mass
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float m_inertia; // Inertia, should be a tensor some time
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float m_lin_drag; // Linear drag (air, water) 0 = concrete, 1 = vacuum
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float m_ang_drag; // Angular drag
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float m_friction_scaling[3]; // Scaling for anisotropic friction. Component in range [0, 1]
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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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CollisionShape* m_shape;
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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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float m_restitution; // restitution of energie after a collision 0 = inelastic, 1 = elastic
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float m_friction; // Coulomb friction (= ratio between the normal en maximum friction force)
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float m_fh_spring; // Spring constant (both linear and angular)
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float m_fh_damping; // Damping factor (linear and angular) in range [0, 1]
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float 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_PROPSH
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