Box2D: /build/box2d/src/box2d-2.4.1/include/box2d/b2_time_of_impact.h Source File

| Box2D 2.4.1 A 2D physics engine for games

b2_time_of_impact.h
1 // MIT License
2
3 // Copyright (c) 2019 Erin Catto
4
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
11
12 // The above copyright notice and this permission notice shall be included in all
13 // copies or substantial portions of the Software.
14
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 // SOFTWARE.
22
23 #ifndef B2_TIME_OF_IMPACT_H
24 #define B2_TIME_OF_IMPACT_H
25
26 #include "b2_api.h"
27 #include "b2_math.h"
28 #include "b2_distance.h"
29
31 struct B2_API b2TOIInput
32 {
33 b2DistanceProxy proxyA;
34 b2DistanceProxy proxyB;
35 b2Sweep sweepA;
36 b2Sweep sweepB;
37 float tMax; // defines sweep interval [0, tMax]
38 };
39
41 struct B2_API b2TOIOutput
42 {
43 enum State
44 {
45 e_unknown,
46 e_failed,
47 e_overlapped,
48 e_touching,
49 e_separated
50 };
51
52 State state;
53 float t;
54 };
55
61 B2_API void b2TimeOfImpact(b2TOIOutput* output, const b2TOIInput* input);
62
63 #endif
b2Sweep
Definition: b2_math.h:369
b2TOIInput
Input parameters for b2TimeOfImpact.
Definition: b2_time_of_impact.h:32
b2TOIOutput
Output parameters for b2TimeOfImpact.
Definition: b2_time_of_impact.h:42
b2DistanceProxy
Definition: b2_distance.h:34