55 lines
1.2 KiB
Text
55 lines
1.2 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file baseParticle.I
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* @author charles
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* @date 2000-06-16
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*/
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INLINE void BaseParticle::set_age(PN_stdfloat age) {
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_age = age;
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}
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INLINE void BaseParticle::set_lifespan(PN_stdfloat lifespan) {
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_lifespan = lifespan;
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}
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INLINE void BaseParticle::set_alive(bool alive) {
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_alive = alive;
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}
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INLINE void BaseParticle::set_index(int index) {
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_index = index;
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}
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INLINE PN_stdfloat BaseParticle::get_age() const {
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return _age;
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}
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INLINE PN_stdfloat BaseParticle::get_lifespan() const {
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return _lifespan;
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}
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INLINE bool BaseParticle::get_alive() const {
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return _alive;
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}
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INLINE int BaseParticle::get_index() const {
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return _index;
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}
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INLINE PN_stdfloat BaseParticle::get_parameterized_age() const {
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if (_lifespan <= 0) return 1.0;
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return _age / _lifespan;
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}
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INLINE PN_stdfloat BaseParticle::get_parameterized_vel() const {
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if (IS_NEARLY_ZERO(get_terminal_velocity())) return 0.0;
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return (get_velocity().length()) / get_terminal_velocity();
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}
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