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- #ifndef COMMON_H_
- #define COMMON_H_
- #include <assert.h>
- #include <map>
- #ifndef M_1_PI
- #define M_1_PI 0.31830988618379067154
- #endif
- #define MATH_FLOAT_SMALL 1.0e-37f
- #define MATH_TOLERANCE 2e-37f
- #define MATH_E 2.71828182845904523536f
- #define MATH_LOG10E 0.4342944819032518f
- #define MATH_LOG2E 1.442695040888963387f
- #define MATH_PI 3.14159265358979323846f
- #define MATH_PIOOVER2 1.57079632679489661923f
- #define MATH_PIOOVER4 M_PI_4
- #define MATH_PIX2 6.28318530717958647693f
- #define MATH_EPSILON 0.000001f
- #define MATH_DEG_TO_RAD(x) ((x) * 0.0174532925f)
- #define MATH_RAD_TO_DEG(x) ((x)* 57.29577951f)
- #define MATH_RANDOM_MINUS1_1() ((2.0f*((float)rand()/RAND_MAX))-1.0f) // Returns a random float between -1 and 1.
- #define MATH_RANDOM_0_1() ((float)rand()/RAND_MAX) // Returns a random float between 0 and 1.
- namespace gameplay
- {
- enum VertexUsage
- {
- UNKNOWN = 0,
- POSITION = 1,
- NORMAL = 2,
- COLOR = 3,
- TANGENT = 4,
- BINORMAL = 5,
- BLENDWEIGHTS = 6,
- BLENDINDICES = 7,
- TEXCOORD0 = 8,
- TEXCOORD1 = 9,
- TEXCOORD2 = 10,
- TEXCOORD3 = 11,
- TEXCOORD4 = 12,
- TEXCOORD5 = 13,
- TEXCOORD6 = 14,
- TEXCOORD7 = 15
- };
- void fillArray(float values[], float value, size_t length);
- void setIdentityMatrix(float values[]);
- }
- #endif
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