Alpha Engine: AELineSegment2.h Source File

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AELineSegment2.h
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1 /******************************************************************************/
15 /******************************************************************************/
16 
17 #ifndef AE_LS2_H
18 #define AE_LS2_H
19 
20 // ---------------------------------------------------------------------------
21 
22 typedef struct AELineSegment2
23 {
24  AEVec2 mP0;
25  AEVec2 mP1;
26  AEVec2 mN;
27  float mNdotP0;
28 }AELineSegment2;
29 
30 
31 // ---------------------------------------------------------------------------
32 #ifdef __cplusplus
33 extern "C"
34 {
35 #endif
36 
37 /******************************************************************************/
63 /******************************************************************************/
64 AE_API s32 AEBuildLineSegment2(AELineSegment2 *pLS, AEVec2 *pPt0, AEVec2 *pPt1);
65 
66 #ifdef __cplusplus
67 }
68 #endif
69 
70 // ---------------------------------------------------------------------------
71 
72 #endif // VEC2_H
AELineSegment2::mNdotP0
float mNdotP0
To avoid computing it every time it's needed.
Definition: AELineSegment2.h:27
AEVec2
Definition: AEVec2.h:26
AEBuildLineSegment2
s32 AEBuildLineSegment2(AELineSegment2 *pLS, AEVec2 *pPt0, AEVec2 *pPt1)
Initalize pLS using pPt0 and pPt1. Also computes the normal (unit vector) and the dot product of the ...
AELineSegment2::mN
AEVec2 mN
Line's normal.
Definition: AELineSegment2.h:26
AELineSegment2::mP0
AEVec2 mP0
Point on the line.
Definition: AELineSegment2.h:24
AELineSegment2::mP1
AEVec2 mP1
Point on the line.
Definition: AELineSegment2.h:25
s32
signed int s32
Definition: AETypes.h:27
AE_API
#define AE_API
Definition: AEExport.h:53
AELineSegment2
struct AELineSegment2 AELineSegment2
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