32 lines
1.6 KiB
C++
32 lines
1.6 KiB
C++
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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JPH_NAMESPACE_BEGIN
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/// Motion quality, or how well it detects collisions when it has a high velocity
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enum class EMotionQuality : uint8
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{
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/// Update the body in discrete steps. Body will tunnel through thin objects if its velocity is high enough.
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/// This is the cheapest way of simulating a body.
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Discrete,
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/// Update the body using linear casting. When stepping the body, its collision shape is cast from
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/// start to destination using the starting rotation. The body will not be able to tunnel through thin
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/// objects at high velocity, but tunneling is still possible if the body is long and thin and has high
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/// angular velocity. Time is stolen from the object (which means it will move up to the first collision
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/// and will not bounce off the surface until the next integration step). This will make the body appear
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/// to go slower when it collides with high velocity. In order to not get stuck, the body is always
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/// allowed to move by a fraction of it's inner radius, which may eventually lead it to pass through geometry.
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///
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/// Note that if you're using a collision listener, you can receive contact added/persisted notifications of contacts
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/// that may in the end not happen. This happens between bodies that are using casting: If bodies A and B collide at t1
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/// and B and C collide at t2 where t2 < t1 and A and C don't collide. In this case you may receive an incorrect contact
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/// point added callback between A and B (which will be removed the next frame).
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LinearCast,
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};
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JPH_NAMESPACE_END
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