52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
// Filename: baseParticle.I
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// Created by: charles (16Jun00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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INLINE void BaseParticle::set_age(float age) {
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_age = age;
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}
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INLINE void BaseParticle::set_lifespan(float 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 float BaseParticle::get_age(void) const {
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return _age;
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}
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INLINE float BaseParticle::get_lifespan(void) const {
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return _lifespan;
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}
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INLINE bool BaseParticle::get_alive(void) const {
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return _alive;
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}
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INLINE float BaseParticle::get_parameterized_age(void) 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 float BaseParticle::get_parameterized_vel(void) 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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