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annotate libs/vmath/vector.h @ 28:c0ae8e668447

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added vmath library
author John Tsiombikas <nuclear@mutantstargoat.com>
date Thu, 08 Sep 2011 08:30:42 +0300
parents
children ff055bff6a15
rev   line source
nuclear@28 1 #ifndef VMATH_VECTOR_H_
nuclear@28 2 #define VMATH_VECTOR_H_
nuclear@28 3
nuclear@28 4 #include <stdio.h>
nuclear@28 5 #include "vmath_types.h"
nuclear@28 6
nuclear@28 7 #ifdef __cplusplus
nuclear@28 8 extern "C" {
nuclear@28 9 #endif /* __cplusplus */
nuclear@28 10
nuclear@28 11 /* C 2D vector functions */
nuclear@28 12 static inline vec2_t v2_cons(scalar_t x, scalar_t y);
nuclear@28 13 static inline void v2_print(FILE *fp, vec2_t v);
nuclear@28 14
nuclear@28 15 static inline vec2_t v2_add(vec2_t v1, vec2_t v2);
nuclear@28 16 static inline vec2_t v2_sub(vec2_t v1, vec2_t v2);
nuclear@28 17 static inline vec2_t v2_scale(vec2_t v, scalar_t s);
nuclear@28 18 static inline scalar_t v2_dot(vec2_t v1, vec2_t v2);
nuclear@28 19 static inline scalar_t v2_length(vec2_t v);
nuclear@28 20 static inline scalar_t v2_length_sq(vec2_t v);
nuclear@28 21 static inline vec2_t v2_normalize(vec2_t v);
nuclear@28 22
nuclear@28 23 static inline vec2_t v2_lerp(vec2_t v1, vec2_t v2, scalar_t t);
nuclear@28 24
nuclear@28 25 /* C 3D vector functions */
nuclear@28 26 static inline vec3_t v3_cons(scalar_t x, scalar_t y, scalar_t z);
nuclear@28 27 static inline void v3_print(FILE *fp, vec3_t v);
nuclear@28 28
nuclear@28 29 static inline vec3_t v3_add(vec3_t v1, vec3_t v2);
nuclear@28 30 static inline vec3_t v3_sub(vec3_t v1, vec3_t v2);
nuclear@28 31 static inline vec3_t v3_neg(vec3_t v);
nuclear@28 32 static inline vec3_t v3_mul(vec3_t v1, vec3_t v2);
nuclear@28 33 static inline vec3_t v3_scale(vec3_t v1, scalar_t s);
nuclear@28 34 static inline scalar_t v3_dot(vec3_t v1, vec3_t v2);
nuclear@28 35 static inline vec3_t v3_cross(vec3_t v1, vec3_t v2);
nuclear@28 36 static inline scalar_t v3_length(vec3_t v);
nuclear@28 37 static inline scalar_t v3_length_sq(vec3_t v);
nuclear@28 38 static inline vec3_t v3_normalize(vec3_t v);
nuclear@28 39 static inline vec3_t v3_transform(vec3_t v, mat4_t m);
nuclear@28 40
nuclear@28 41 static inline vec3_t v3_rotate(vec3_t v, scalar_t x, scalar_t y, scalar_t z);
nuclear@28 42 static inline vec3_t v3_rotate_axis(vec3_t v, scalar_t angle, scalar_t x, scalar_t y, scalar_t z);
nuclear@28 43 static inline vec3_t v3_rotate_quat(vec3_t v, quat_t q);
nuclear@28 44
nuclear@28 45 static inline vec3_t v3_reflect(vec3_t v, vec3_t n);
nuclear@28 46
nuclear@28 47 static inline vec3_t v3_lerp(vec3_t v1, vec3_t v2, scalar_t t);
nuclear@28 48
nuclear@28 49 /* C 4D vector functions */
nuclear@28 50 static inline vec4_t v4_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t w);
nuclear@28 51 static inline void v4_print(FILE *fp, vec4_t v);
nuclear@28 52
nuclear@28 53 static inline vec4_t v4_add(vec4_t v1, vec4_t v2);
nuclear@28 54 static inline vec4_t v4_sub(vec4_t v1, vec4_t v2);
nuclear@28 55 static inline vec4_t v4_neg(vec4_t v);
nuclear@28 56 static inline vec4_t v4_mul(vec4_t v1, vec4_t v2);
nuclear@28 57 static inline vec4_t v4_scale(vec4_t v, scalar_t s);
nuclear@28 58 static inline scalar_t v4_dot(vec4_t v1, vec4_t v2);
nuclear@28 59 static inline scalar_t v4_length(vec4_t v);
nuclear@28 60 static inline scalar_t v4_length_sq(vec4_t v);
nuclear@28 61 static inline vec4_t v4_normalize(vec4_t v);
nuclear@28 62 static inline vec4_t v4_transform(vec4_t v, mat4_t m);
nuclear@28 63
nuclear@28 64 #ifdef __cplusplus
nuclear@28 65 } /* extern "C" */
nuclear@28 66
nuclear@28 67 /* when included from C++ source files, also define the vector classes */
nuclear@28 68 #include <iostream>
nuclear@28 69
nuclear@28 70 /** 2D Vector */
nuclear@28 71 class Vector2 {
nuclear@28 72 public:
nuclear@28 73 scalar_t x, y;
nuclear@28 74
nuclear@28 75 explicit Vector2(scalar_t x = 0.0, scalar_t y = 0.0);
nuclear@28 76 Vector2(const vec2_t &vec);
nuclear@28 77 Vector2(const Vector3 &vec);
nuclear@28 78 Vector2(const Vector4 &vec);
nuclear@28 79
nuclear@28 80 inline scalar_t &operator [](int elem);
nuclear@28 81 inline const scalar_t &operator [](int elem) const;
nuclear@28 82
nuclear@28 83 inline scalar_t length() const;
nuclear@28 84 inline scalar_t length_sq() const;
nuclear@28 85 void normalize();
nuclear@28 86 Vector2 normalized() const;
nuclear@28 87
nuclear@28 88 void transform(const Matrix3x3 &mat);
nuclear@28 89 Vector2 transformed(const Matrix3x3 &mat) const;
nuclear@28 90
nuclear@28 91 void rotate(scalar_t angle);
nuclear@28 92 Vector2 rotated(scalar_t angle) const;
nuclear@28 93
nuclear@28 94 Vector2 reflection(const Vector2 &normal) const;
nuclear@28 95 Vector2 refraction(const Vector2 &normal, scalar_t src_ior, scalar_t dst_ior) const;
nuclear@28 96 };
nuclear@28 97
nuclear@28 98 /* unary operations */
nuclear@28 99 inline Vector2 operator -(const Vector2 &vec);
nuclear@28 100
nuclear@28 101 /* binary vector (op) vector operations */
nuclear@28 102 inline scalar_t dot_product(const Vector2 &v1, const Vector2 &v2);
nuclear@28 103
nuclear@28 104 inline Vector2 operator +(const Vector2 &v1, const Vector2 &v2);
nuclear@28 105 inline Vector2 operator -(const Vector2 &v1, const Vector2 &v2);
nuclear@28 106 inline Vector2 operator *(const Vector2 &v1, const Vector2 &v2);
nuclear@28 107 inline Vector2 operator /(const Vector2 &v1, const Vector2 &v2);
nuclear@28 108 inline bool operator ==(const Vector2 &v1, const Vector2 &v2);
nuclear@28 109
nuclear@28 110 inline void operator +=(Vector2 &v1, const Vector2 &v2);
nuclear@28 111 inline void operator -=(Vector2 &v1, const Vector2 &v2);
nuclear@28 112 inline void operator *=(Vector2 &v1, const Vector2 &v2);
nuclear@28 113 inline void operator /=(Vector2 &v1, const Vector2 &v2);
nuclear@28 114
nuclear@28 115 /* binary vector (op) scalar and scalar (op) vector operations */
nuclear@28 116 inline Vector2 operator +(const Vector2 &vec, scalar_t scalar);
nuclear@28 117 inline Vector2 operator +(scalar_t scalar, const Vector2 &vec);
nuclear@28 118 inline Vector2 operator -(const Vector2 &vec, scalar_t scalar);
nuclear@28 119 inline Vector2 operator *(const Vector2 &vec, scalar_t scalar);
nuclear@28 120 inline Vector2 operator *(scalar_t scalar, const Vector2 &vec);
nuclear@28 121 inline Vector2 operator /(const Vector2 &vec, scalar_t scalar);
nuclear@28 122
nuclear@28 123 inline void operator +=(Vector2 &vec, scalar_t scalar);
nuclear@28 124 inline void operator -=(Vector2 &vec, scalar_t scalar);
nuclear@28 125 inline void operator *=(Vector2 &vec, scalar_t scalar);
nuclear@28 126 inline void operator /=(Vector2 &vec, scalar_t scalar);
nuclear@28 127
nuclear@28 128 std::ostream &operator <<(std::ostream &out, const Vector2 &vec);
nuclear@28 129
nuclear@28 130 inline Vector2 lerp(const Vector2 &a, const Vector2 &b, scalar_t t);
nuclear@28 131 inline Vector2 catmull_rom_spline(const Vector2 &v0, const Vector2 &v1,
nuclear@28 132 const Vector2 &v2, const Vector2 &v3, scalar_t t);
nuclear@28 133
nuclear@28 134 /* 3D Vector */
nuclear@28 135 class Vector3 {
nuclear@28 136 public:
nuclear@28 137 scalar_t x, y, z;
nuclear@28 138
nuclear@28 139 explicit Vector3(scalar_t x = 0.0, scalar_t y = 0.0, scalar_t z = 0.0);
nuclear@28 140 Vector3(const vec3_t &vec);
nuclear@28 141 Vector3(const Vector2 &vec);
nuclear@28 142 Vector3(const Vector4 &vec);
nuclear@28 143 Vector3(const SphVector &sph);
nuclear@28 144
nuclear@28 145 Vector3 &operator =(const SphVector &sph);
nuclear@28 146
nuclear@28 147 inline scalar_t &operator [](int elem);
nuclear@28 148 inline const scalar_t &operator [](int elem) const;
nuclear@28 149
nuclear@28 150 inline scalar_t length() const;
nuclear@28 151 inline scalar_t length_sq() const;
nuclear@28 152 void normalize();
nuclear@28 153 Vector3 normalized() const;
nuclear@28 154
nuclear@28 155 void transform(const Matrix3x3 &mat);
nuclear@28 156 Vector3 transformed(const Matrix3x3 &mat) const;
nuclear@28 157 void transform(const Matrix4x4 &mat);
nuclear@28 158 Vector3 transformed(const Matrix4x4 &mat) const;
nuclear@28 159 void transform(const Quaternion &quat);
nuclear@28 160 Vector3 transformed(const Quaternion &quat) const;
nuclear@28 161
nuclear@28 162 void rotate(const Vector3 &euler);
nuclear@28 163 Vector3 rotated(const Vector3 &euler) const;
nuclear@28 164
nuclear@28 165 Vector3 reflection(const Vector3 &normal) const;
nuclear@28 166 Vector3 refraction(const Vector3 &normal, scalar_t src_ior, scalar_t dst_ior) const;
nuclear@28 167 Vector3 refraction(const Vector3 &normal, scalar_t ior) const;
nuclear@28 168 };
nuclear@28 169
nuclear@28 170 /* unary operations */
nuclear@28 171 inline Vector3 operator -(const Vector3 &vec);
nuclear@28 172
nuclear@28 173 /* binary vector (op) vector operations */
nuclear@28 174 inline scalar_t dot_product(const Vector3 &v1, const Vector3 &v2);
nuclear@28 175 inline Vector3 cross_product(const Vector3 &v1, const Vector3 &v2);
nuclear@28 176
nuclear@28 177 inline Vector3 operator +(const Vector3 &v1, const Vector3 &v2);
nuclear@28 178 inline Vector3 operator -(const Vector3 &v1, const Vector3 &v2);
nuclear@28 179 inline Vector3 operator *(const Vector3 &v1, const Vector3 &v2);
nuclear@28 180 inline Vector3 operator /(const Vector3 &v1, const Vector3 &v2);
nuclear@28 181 inline bool operator ==(const Vector3 &v1, const Vector3 &v2);
nuclear@28 182
nuclear@28 183 inline void operator +=(Vector3 &v1, const Vector3 &v2);
nuclear@28 184 inline void operator -=(Vector3 &v1, const Vector3 &v2);
nuclear@28 185 inline void operator *=(Vector3 &v1, const Vector3 &v2);
nuclear@28 186 inline void operator /=(Vector3 &v1, const Vector3 &v2);
nuclear@28 187
nuclear@28 188 /* binary vector (op) scalar and scalar (op) vector operations */
nuclear@28 189 inline Vector3 operator +(const Vector3 &vec, scalar_t scalar);
nuclear@28 190 inline Vector3 operator +(scalar_t scalar, const Vector3 &vec);
nuclear@28 191 inline Vector3 operator -(const Vector3 &vec, scalar_t scalar);
nuclear@28 192 inline Vector3 operator *(const Vector3 &vec, scalar_t scalar);
nuclear@28 193 inline Vector3 operator *(scalar_t scalar, const Vector3 &vec);
nuclear@28 194 inline Vector3 operator /(const Vector3 &vec, scalar_t scalar);
nuclear@28 195
nuclear@28 196 inline void operator +=(Vector3 &vec, scalar_t scalar);
nuclear@28 197 inline void operator -=(Vector3 &vec, scalar_t scalar);
nuclear@28 198 inline void operator *=(Vector3 &vec, scalar_t scalar);
nuclear@28 199 inline void operator /=(Vector3 &vec, scalar_t scalar);
nuclear@28 200
nuclear@28 201 std::ostream &operator <<(std::ostream &out, const Vector3 &vec);
nuclear@28 202
nuclear@28 203 inline Vector3 lerp(const Vector3 &a, const Vector3 &b, scalar_t t);
nuclear@28 204 inline Vector3 catmull_rom_spline(const Vector3 &v0, const Vector3 &v1,
nuclear@28 205 const Vector3 &v2, const Vector3 &v3, scalar_t t);
nuclear@28 206
nuclear@28 207 /* 4D Vector */
nuclear@28 208 class Vector4 {
nuclear@28 209 public:
nuclear@28 210 scalar_t x, y, z, w;
nuclear@28 211
nuclear@28 212 explicit Vector4(scalar_t x = 0.0, scalar_t y = 0.0, scalar_t z = 0.0, scalar_t w = 0.0);
nuclear@28 213 Vector4(const vec4_t &vec);
nuclear@28 214 Vector4(const Vector2 &vec);
nuclear@28 215 Vector4(const Vector3 &vec);
nuclear@28 216
nuclear@28 217 inline scalar_t &operator [](int elem);
nuclear@28 218 inline const scalar_t &operator [](int elem) const;
nuclear@28 219
nuclear@28 220 inline scalar_t length() const;
nuclear@28 221 inline scalar_t length_sq() const;
nuclear@28 222 void normalize();
nuclear@28 223 Vector4 normalized() const;
nuclear@28 224
nuclear@28 225 void transform(const Matrix4x4 &mat);
nuclear@28 226 Vector4 transformed(const Matrix4x4 &mat) const;
nuclear@28 227
nuclear@28 228 Vector4 reflection(const Vector4 &normal) const;
nuclear@28 229 Vector4 refraction(const Vector4 &normal, scalar_t src_ior, scalar_t dst_ior) const;
nuclear@28 230 };
nuclear@28 231
nuclear@28 232
nuclear@28 233 /* unary operations */
nuclear@28 234 inline Vector4 operator -(const Vector4 &vec);
nuclear@28 235
nuclear@28 236 /* binary vector (op) vector operations */
nuclear@28 237 inline scalar_t dot_product(const Vector4 &v1, const Vector4 &v2);
nuclear@28 238 inline Vector4 cross_product(const Vector4 &v1, const Vector4 &v2, const Vector4 &v3);
nuclear@28 239
nuclear@28 240 inline Vector4 operator +(const Vector4 &v1, const Vector4 &v2);
nuclear@28 241 inline Vector4 operator -(const Vector4 &v1, const Vector4 &v2);
nuclear@28 242 inline Vector4 operator *(const Vector4 &v1, const Vector4 &v2);
nuclear@28 243 inline Vector4 operator /(const Vector4 &v1, const Vector4 &v2);
nuclear@28 244 inline bool operator ==(const Vector4 &v1, const Vector4 &v2);
nuclear@28 245
nuclear@28 246 inline void operator +=(Vector4 &v1, const Vector4 &v2);
nuclear@28 247 inline void operator -=(Vector4 &v1, const Vector4 &v2);
nuclear@28 248 inline void operator *=(Vector4 &v1, const Vector4 &v2);
nuclear@28 249 inline void operator /=(Vector4 &v1, const Vector4 &v2);
nuclear@28 250
nuclear@28 251 /* binary vector (op) scalar and scalar (op) vector operations */
nuclear@28 252 inline Vector4 operator +(const Vector4 &vec, scalar_t scalar);
nuclear@28 253 inline Vector4 operator +(scalar_t scalar, const Vector4 &vec);
nuclear@28 254 inline Vector4 operator -(const Vector4 &vec, scalar_t scalar);
nuclear@28 255 inline Vector4 operator *(const Vector4 &vec, scalar_t scalar);
nuclear@28 256 inline Vector4 operator *(scalar_t scalar, const Vector4 &vec);
nuclear@28 257 inline Vector4 operator /(const Vector4 &vec, scalar_t scalar);
nuclear@28 258
nuclear@28 259 inline void operator +=(Vector4 &vec, scalar_t scalar);
nuclear@28 260 inline void operator -=(Vector4 &vec, scalar_t scalar);
nuclear@28 261 inline void operator *=(Vector4 &vec, scalar_t scalar);
nuclear@28 262 inline void operator /=(Vector4 &vec, scalar_t scalar);
nuclear@28 263
nuclear@28 264 std::ostream &operator <<(std::ostream &out, const Vector4 &vec);
nuclear@28 265
nuclear@28 266 inline Vector4 lerp(const Vector4 &v0, const Vector4 &v1, scalar_t t);
nuclear@28 267 inline Vector4 catmull_rom_spline(const Vector4 &v0, const Vector4 &v1,
nuclear@28 268 const Vector4 &v2, const Vector4 &v3, scalar_t t);
nuclear@28 269
nuclear@28 270 #endif /* __cplusplus */
nuclear@28 271
nuclear@28 272 #include "vector.inl"
nuclear@28 273
nuclear@28 274 #endif /* VMATH_VECTOR_H_ */