4 #include "Bullet3Common/shared/b3PlatformDefinitions.h"
7 #include "Bullet3Common/b3Vector3.h"
8 #define b3Float4 b3Vector3
9 #define b3Float4ConstArg const b3Vector3&
10 #define b3Dot3F4 b3Dot
11 #define b3Cross3 b3Cross
12 #define b3MakeFloat4 b3MakeVector3
13 inline b3Vector3 b3Normalized(const b3Vector3& vec)
15 return vec.normalized();
18 inline b3Float4 b3FastNormalized3(b3Float4ConstArg v)
20 return v.normalized();
23 inline b3Float4 b3MaxFloat4(const b3Float4& a, const b3Float4& b)
29 inline b3Float4 b3MinFloat4(const b3Float4& a, const b3Float4& b)
37 typedef float4 b3Float4;
38 #define b3Float4ConstArg const b3Float4
39 #define b3MakeFloat4 (float4)
40 float b3Dot3F4(b3Float4ConstArg v0, b3Float4ConstArg v1)
42 float4 a1 = b3MakeFloat4(v0.xyz, 0.f);
43 float4 b1 = b3MakeFloat4(v1.xyz, 0.f);
46 b3Float4 b3Cross3(b3Float4ConstArg v0, b3Float4ConstArg v1)
48 float4 a1 = b3MakeFloat4(v0.xyz, 0.f);
49 float4 b1 = b3MakeFloat4(v1.xyz, 0.f);
52 #define b3MinFloat4 min
53 #define b3MaxFloat4 max
55 #define b3Normalized(a) normalize(a)
59 inline bool b3IsAlmostZero(b3Float4ConstArg v)
61 if (b3Fabs(v.x) > 1e-6 || b3Fabs(v.y) > 1e-6 || b3Fabs(v.z) > 1e-6)
66 inline int b3MaxDot(b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut)
68 float maxDot = -B3_INFINITY;
71 for (i = 0; i < vecLen; i++)
73 float dot = b3Dot3F4(vecArray[i], vec);
81 b3Assert(ptIndex >= 0);