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| 1 | +import { Quat } from './quat'; |
| 2 | +import { Mat3 } from './mat3'; |
| 3 | +import { Mat4 } from './mat4'; |
| 4 | +import Vec2 from './vec2-impl'; |
| 5 | +export default Mat3; |
| 6 | +export type Mat3LikeCtor = new (n: number) => Mat3; |
| 7 | +/** |
| 8 | + * Sets the type this library creates for a Mat3 |
| 9 | + * @param ctor - the constructor for the type. Either `Float32Array`, `Float64Array`, or `Array` |
| 10 | + * @returns previous constructor for Mat3 |
| 11 | + */ |
| 12 | +export declare function setDefaultType(ctor: new (n: number) => Mat3): Mat3LikeCtor; |
| 13 | +/** |
| 14 | + * Create a Mat3 from values |
| 15 | + * |
| 16 | + * Note: Since passing in a raw JavaScript array |
| 17 | + * is valid in all circumstances, if you want to |
| 18 | + * force a JavaScript array into a Mat3's specified type |
| 19 | + * it would be faster to use |
| 20 | + * |
| 21 | + * ``` |
| 22 | + * const m = mat3.clone(someJSArray); |
| 23 | + * ``` |
| 24 | + * |
| 25 | + * Note: a consequence of the implementation is if your Mat3Type = `Array` |
| 26 | + * instead of `Float32Array` or `Float64Array` then any values you |
| 27 | + * don't pass in will be undefined. Usually this is not an issue since |
| 28 | + * (a) using `Array` is rare and (b) using `mat3.create` is usually used |
| 29 | + * to create a Mat3 to be filled out as in |
| 30 | + * |
| 31 | + * ``` |
| 32 | + * const m = mat3.create(); |
| 33 | + * mat3.perspective(fov, aspect, near, far, m); |
| 34 | + * ``` |
| 35 | + * |
| 36 | + * @param v0 - value for element 0 |
| 37 | + * @param v1 - value for element 1 |
| 38 | + * @param v2 - value for element 2 |
| 39 | + * @param v3 - value for element 3 |
| 40 | + * @param v4 - value for element 4 |
| 41 | + * @param v5 - value for element 5 |
| 42 | + * @param v6 - value for element 6 |
| 43 | + * @param v7 - value for element 7 |
| 44 | + * @param v8 - value for element 8 |
| 45 | + * @returns matrix created from values. |
| 46 | + */ |
| 47 | +export declare function create(v0?: number, v1?: number, v2?: number, v3?: number, v4?: number, v5?: number, v6?: number, v7?: number, v8?: number): Mat3; |
| 48 | +/** |
| 49 | + * Sets the values of a Mat3 |
| 50 | + * Also see {@link mat3.create} and {@link mat3.copy} |
| 51 | + * |
| 52 | + * @param v0 - value for element 0 |
| 53 | + * @param v1 - value for element 1 |
| 54 | + * @param v2 - value for element 2 |
| 55 | + * @param v3 - value for element 3 |
| 56 | + * @param v4 - value for element 4 |
| 57 | + * @param v5 - value for element 5 |
| 58 | + * @param v6 - value for element 6 |
| 59 | + * @param v7 - value for element 7 |
| 60 | + * @param v8 - value for element 8 |
| 61 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 62 | + * @returns Mat3 set from values. |
| 63 | + */ |
| 64 | +export declare function set(v0: number, v1: number, v2: number, v3: number, v4: number, v5: number, v6: number, v7: number, v8: number, dst?: Mat3): Mat3; |
| 65 | +/** |
| 66 | + * Creates a Mat3 from the upper left 3x3 part of a Mat4 |
| 67 | + * @param m4 - source matrix |
| 68 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 69 | + * @returns Mat3 made from m4 |
| 70 | + */ |
| 71 | +export declare function fromMat4(m4: Mat4, dst?: Mat3): Mat3; |
| 72 | +/** |
| 73 | + * Creates a Mat3 rotation matrix from a quaternion |
| 74 | + * @param q - quaternion to create matrix from |
| 75 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 76 | + * @returns Mat3 made from q |
| 77 | + */ |
| 78 | +export declare function fromQuat(q: Quat, dst?: Mat3): Mat3; |
| 79 | +/** |
| 80 | + * Negates a matrix. |
| 81 | + * @param m - The matrix. |
| 82 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 83 | + * @returns -m. |
| 84 | + */ |
| 85 | +export declare function negate(m: Mat3, dst?: Mat3): Mat3; |
| 86 | +/** |
| 87 | + * Copies a matrix. (same as {@link mat3.clone}) |
| 88 | + * Also see {@link mat3.create} and {@link mat3.set} |
| 89 | + * @param m - The matrix. |
| 90 | + * @param dst - The matrix. If not passed a new one is created. |
| 91 | + * @returns A copy of m. |
| 92 | + */ |
| 93 | +export declare function copy(m: Mat3, dst?: Mat3): Mat3; |
| 94 | +/** |
| 95 | + * Copies a matrix (same as {@link mat3.copy}) |
| 96 | + * Also see {@link mat3.create} and {@link mat3.set} |
| 97 | + * @param m - The matrix. |
| 98 | + * @param dst - The matrix. If not passed a new one is created. |
| 99 | + * @returns A copy of m. |
| 100 | + */ |
| 101 | +export declare const clone: typeof copy; |
| 102 | +/** |
| 103 | + * Check if 2 matrices are approximately equal |
| 104 | + * @param a Operand matrix. |
| 105 | + * @param b Operand matrix. |
| 106 | + * @returns true if matrices are approximately equal |
| 107 | + */ |
| 108 | +export declare function equalsApproximately(a: Mat3, b: Mat3): boolean; |
| 109 | +/** |
| 110 | + * Check if 2 matrices are exactly equal |
| 111 | + * @param a Operand matrix. |
| 112 | + * @param b Operand matrix. |
| 113 | + * @returns true if matrices are exactly equal |
| 114 | + */ |
| 115 | +export declare function equals(a: Mat3, b: Mat3): boolean; |
| 116 | +/** |
| 117 | + * Creates a 3-by-3 identity matrix. |
| 118 | + * |
| 119 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 120 | + * @returns A 3-by-3 identity matrix. |
| 121 | + */ |
| 122 | +export declare function identity(dst?: Mat3): Mat3; |
| 123 | +/** |
| 124 | + * Takes the transpose of a matrix. |
| 125 | + * @param m - The matrix. |
| 126 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 127 | + * @returns The transpose of m. |
| 128 | + */ |
| 129 | +export declare function transpose(m: Mat3, dst?: Mat3): Mat3; |
| 130 | +/** |
| 131 | + * Computes the inverse of a 3-by-3 matrix. |
| 132 | + * @param m - The matrix. |
| 133 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 134 | + * @returns The inverse of m. |
| 135 | + */ |
| 136 | +export declare function inverse(m: Mat3, dst?: Mat3): Mat3; |
| 137 | +/** |
| 138 | + * Compute the determinant of a matrix |
| 139 | + * @param m - the matrix |
| 140 | + * @returns the determinant |
| 141 | + */ |
| 142 | +export declare function determinant(m: Mat3): number; |
| 143 | +/** |
| 144 | + * Computes the inverse of a 3-by-3 matrix. (same as inverse) |
| 145 | + * @param m - The matrix. |
| 146 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 147 | + * @returns The inverse of m. |
| 148 | + */ |
| 149 | +export declare const invert: typeof inverse; |
| 150 | +/** |
| 151 | + * Multiplies two 3-by-3 matrices with a on the left and b on the right |
| 152 | + * @param a - The matrix on the left. |
| 153 | + * @param b - The matrix on the right. |
| 154 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 155 | + * @returns The matrix product of a and b. |
| 156 | + */ |
| 157 | +export declare function multiply(a: Mat3, b: Mat3, dst?: Mat3): Mat3; |
| 158 | +/** |
| 159 | + * Multiplies two 3-by-3 matrices with a on the left and b on the right (same as multiply) |
| 160 | + * @param a - The matrix on the left. |
| 161 | + * @param b - The matrix on the right. |
| 162 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 163 | + * @returns The matrix product of a and b. |
| 164 | + */ |
| 165 | +export declare const mul: typeof multiply; |
| 166 | +/** |
| 167 | + * Sets the translation component of a 3-by-3 matrix to the given |
| 168 | + * vector. |
| 169 | + * @param a - The matrix. |
| 170 | + * @param v - The vector. |
| 171 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 172 | + * @returns The matrix with translation set. |
| 173 | + */ |
| 174 | +export declare function setTranslation(a: Mat3, v: Vec2, dst?: Mat3): Mat3; |
| 175 | +/** |
| 176 | + * Returns the translation component of a 3-by-3 matrix as a vector with 3 |
| 177 | + * entries. |
| 178 | + * @param m - The matrix. |
| 179 | + * @param dst - vector to hold result. If not passed a new one is created. |
| 180 | + * @returns The translation component of m. |
| 181 | + */ |
| 182 | +export declare function getTranslation(m: Mat3, dst?: Vec2): Vec2; |
| 183 | +/** |
| 184 | + * Returns an axis of a 3x3 matrix as a vector with 2 entries |
| 185 | + * @param m - The matrix. |
| 186 | + * @param axis - The axis 0 = x, 1 = y, |
| 187 | + * @returns The axis component of m. |
| 188 | + */ |
| 189 | +export declare function getAxis(m: Mat3, axis: number, dst?: Vec2): Vec2; |
| 190 | +/** |
| 191 | + * Sets an axis of a 3x3 matrix as a vector with 2 entries |
| 192 | + * @param m - The matrix. |
| 193 | + * @param v - the axis vector |
| 194 | + * @param axis - The axis 0 = x, 1 = y; |
| 195 | + * @param dst - The matrix to set. If not passed a new one is created. |
| 196 | + * @returns The matrix with axis set. |
| 197 | + */ |
| 198 | +export declare function setAxis(m: Mat3, v: Vec2, axis: number, dst?: Mat3): Mat3; |
| 199 | +/** |
| 200 | + * Returns the scaling component of the matrix |
| 201 | + * @param m - The Matrix |
| 202 | + * @param dst - The vector to set. If not passed a new one is created. |
| 203 | + */ |
| 204 | +export declare function getScaling(m: Mat3, dst?: Vec2): Vec2; |
| 205 | +/** |
| 206 | + * Creates a 3-by-3 matrix which translates by the given vector v. |
| 207 | + * @param v - The vector by which to translate. |
| 208 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 209 | + * @returns The translation matrix. |
| 210 | + */ |
| 211 | +export declare function translation(v: Vec2, dst?: Mat3): Mat3; |
| 212 | +/** |
| 213 | + * Translates the given 3-by-3 matrix by the given vector v. |
| 214 | + * @param m - The matrix. |
| 215 | + * @param v - The vector by which to translate. |
| 216 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 217 | + * @returns The translated matrix. |
| 218 | + */ |
| 219 | +export declare function translate(m: Mat3, v: Vec2, dst?: Mat3): Mat3; |
| 220 | +/** |
| 221 | + * Creates a 3-by-3 matrix which rotates by the given angle. |
| 222 | + * @param angleInRadians - The angle by which to rotate (in radians). |
| 223 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 224 | + * @returns The rotation matrix. |
| 225 | + */ |
| 226 | +export declare function rotation(angleInRadians: number, dst?: Mat3): Mat3; |
| 227 | +/** |
| 228 | + * Rotates the given 3-by-3 matrix by the given angle. |
| 229 | + * @param m - The matrix. |
| 230 | + * @param angleInRadians - The angle by which to rotate (in radians). |
| 231 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 232 | + * @returns The rotated matrix. |
| 233 | + */ |
| 234 | +export declare function rotate(m: Mat3, angleInRadians: number, dst?: Mat3): Mat3; |
| 235 | +/** |
| 236 | + * Creates a 3-by-3 matrix which scales in each dimension by an amount given by |
| 237 | + * the corresponding entry in the given vector; assumes the vector has three |
| 238 | + * entries. |
| 239 | + * @param v - A vector of |
| 240 | + * 2 entries specifying the factor by which to scale in each dimension. |
| 241 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 242 | + * @returns The scaling matrix. |
| 243 | + */ |
| 244 | +export declare function scaling(v: Vec2, dst?: Mat3): Mat3; |
| 245 | +/** |
| 246 | + * Scales the given 3-by-3 matrix in each dimension by an amount |
| 247 | + * given by the corresponding entry in the given vector; assumes the vector has |
| 248 | + * three entries. |
| 249 | + * @param m - The matrix to be modified. |
| 250 | + * @param v - A vector of 2 entries specifying the |
| 251 | + * factor by which to scale in each dimension. |
| 252 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 253 | + * @returns The scaled matrix. |
| 254 | + */ |
| 255 | +export declare function scale(m: Mat3, v: Vec2, dst?: Mat3): Mat3; |
| 256 | +/** |
| 257 | + * Creates a 3-by-3 matrix which scales uniformly in each dimension |
| 258 | + * @param s - Amount to scale |
| 259 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 260 | + * @returns The scaling matrix. |
| 261 | + */ |
| 262 | +export declare function uniformScaling(s: number, dst?: Mat3): Mat3; |
| 263 | +/** |
| 264 | + * Scales the given 3-by-3 matrix in each dimension by an amount |
| 265 | + * given. |
| 266 | + * @param m - The matrix to be modified. |
| 267 | + * @param s - Amount to scale. |
| 268 | + * @param dst - matrix to hold result. If not passed a new one is created. |
| 269 | + * @returns The scaled matrix. |
| 270 | + */ |
| 271 | +export declare function uniformScale(m: Mat3, s: number, dst?: Mat3): Mat3; |
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