Bullet Collision Detection & Physics Library
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Macros | |
#define | VEC_ZERO_2(a) |
Zero out a 2D vector. | |
#define | VEC_ZERO(a) |
Zero out a 3D vector. | |
#define | VEC_ZERO_4(a) |
Zero out a 4D vector. | |
#define | VEC_COPY_2(b, a) |
Vector copy. | |
#define | VEC_COPY(b, a) |
Copy 3D vector. | |
#define | VEC_COPY_4(b, a) |
Copy 4D vector. | |
#define | VEC_SWAP(b, a) |
VECTOR SWAP. | |
#define | VEC_DIFF_2(v21, v2, v1) |
Vector difference. | |
#define | VEC_DIFF(v21, v2, v1) |
Vector difference. | |
#define | VEC_DIFF_4(v21, v2, v1) |
Vector difference. | |
#define | VEC_SUM_2(v21, v2, v1) |
Vector sum. | |
#define | VEC_SUM(v21, v2, v1) |
Vector sum. | |
#define | VEC_SUM_4(v21, v2, v1) |
Vector sum. | |
#define | VEC_SCALE_2(c, a, b) |
scalar times vector | |
#define | VEC_SCALE(c, a, b) |
scalar times vector | |
#define | VEC_SCALE_4(c, a, b) |
scalar times vector | |
#define | VEC_ACCUM_2(c, a, b) |
accumulate scaled vector | |
#define | VEC_ACCUM(c, a, b) |
accumulate scaled vector | |
#define | VEC_ACCUM_4(c, a, b) |
accumulate scaled vector | |
#define | VEC_DOT_2(a, b) ((a)[0] * (b)[0] + (a)[1] * (b)[1]) |
Vector dot product. | |
#define | VEC_DOT(a, b) ((a)[0] * (b)[0] + (a)[1] * (b)[1] + (a)[2] * (b)[2]) |
Vector dot product. | |
#define | VEC_DOT_4(a, b) ((a)[0] * (b)[0] + (a)[1] * (b)[1] + (a)[2] * (b)[2] + (a)[3] * (b)[3]) |
Vector dot product. | |
#define | VEC_IMPACT_SQ(bsq, direction, position) |
vector impact parameter (squared) | |
#define | VEC_IMPACT(bsq, direction, position) |
vector impact parameter | |
#define | VEC_LENGTH_2(a, l) |
Vector length. | |
#define | VEC_LENGTH(a, l) |
Vector length. | |
#define | VEC_LENGTH_4(a, l) |
Vector length. | |
#define | VEC_INV_LENGTH_2(a, l) |
Vector inv length. | |
#define | VEC_INV_LENGTH(a, l) |
Vector inv length. | |
#define | VEC_INV_LENGTH_4(a, l) |
Vector inv length. | |
#define | VEC_DISTANCE(_len, _va, _vb) |
distance between two points | |
#define | VEC_CONJUGATE_LENGTH(a, l) |
Vector length. | |
#define | VEC_NORMALIZE(a) |
Vector length. | |
#define | VEC_RENORMALIZE(a, newlen) |
Set Vector size. | |
#define | VEC_CROSS(c, a, b) |
Vector cross. | |
#define | VEC_PERPENDICULAR(vp, v, n) |
#define | VEC_PARALLEL(vp, v, n) |
#define | VEC_PROJECT(vp, v, n) |
#define | VEC_UNPROJECT(vp, v, n) |
#define | VEC_REFLECT(vr, v, n) |
#define | VEC_BLEND_AB(vr, sa, a, sb, b) |
#define | VEC_BLEND(vr, a, b, s) VEC_BLEND_AB(vr, (1 - s), a, s, b) |
#define | VEC_SET3(a, b, op, c) |
#define | VEC_MAYOR_COORD(vec, maxc) |
Finds the bigger cartesian coordinate from a vector. | |
#define | VEC_MINOR_AXES(vec, i0, i1) |
Finds the 2 smallest cartesian coordinates from a vector. | |
#define | VEC_EQUAL(v1, v2) (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2]) |
#define | VEC_NEAR_EQUAL(v1, v2) (GIM_NEAR_EQUAL(v1[0], v2[0]) && GIM_NEAR_EQUAL(v1[1], v2[1]) && GIM_NEAR_EQUAL(v1[2], v2[2])) |
#define | X_AXIS_CROSS_VEC(dst, src) |
Vector cross. | |
#define | Y_AXIS_CROSS_VEC(dst, src) |
#define | Z_AXIS_CROSS_VEC(dst, src) |
#define | IDENTIFY_MATRIX_3X3(m) |
initialize matrix | |
#define | IDENTIFY_MATRIX_4X4(m) |
#define | ZERO_MATRIX_4X4(m) |
#define | ROTX_CS(m, cosine, sine) |
#define | ROTY_CS(m, cosine, sine) |
#define | ROTZ_CS(m, cosine, sine) |
#define | COPY_MATRIX_2X2(b, a) |
#define | COPY_MATRIX_2X3(b, a) |
#define | COPY_MATRIX_3X3(b, a) |
#define | COPY_MATRIX_4X4(b, a) |
#define | TRANSPOSE_MATRIX_2X2(b, a) |
#define | TRANSPOSE_MATRIX_3X3(b, a) |
#define | TRANSPOSE_MATRIX_4X4(b, a) |
#define | SCALE_MATRIX_2X2(b, s, a) |
#define | SCALE_MATRIX_3X3(b, s, a) |
#define | SCALE_MATRIX_4X4(b, s, a) |
#define | SCALE_VEC_MATRIX_2X2(b, svec, a) |
#define | SCALE_VEC_MATRIX_3X3(b, svec, a) |
#define | SCALE_VEC_MATRIX_4X4(b, svec, a) |
#define | ACCUM_SCALE_MATRIX_2X2(b, s, a) |
#define | ACCUM_SCALE_MATRIX_3X3(b, s, a) |
#define | ACCUM_SCALE_MATRIX_4X4(b, s, a) |
#define | MATRIX_PRODUCT_2X2(c, a, b) |
#define | MATRIX_PRODUCT_3X3(c, a, b) |
#define | MATRIX_PRODUCT_4X4(c, a, b) |
#define | MAT_DOT_VEC_2X2(p, m, v) |
#define | MAT_DOT_VEC_3X3(p, m, v) |
#define | MAT_DOT_VEC_4X4(p, m, v) |
#define | MAT_DOT_VEC_3X4(p, m, v) |
#define | VEC_DOT_MAT_3X3(p, v, m) |
#define | MAT_DOT_VEC_2X3(p, m, v) |
The matrix is assumed to be an affine matrix, with last two entries representing a translation. | |
#define | MAT_TRANSFORM_PLANE_4X4(pout, m, plane) |
Transform a plane. | |
#define | INV_TRANSP_MAT_DOT_VEC_2X2(p, m, v) |
inverse transpose of matrix times vector | |
#define | NORM_XFORM_2X2(p, m, v) |
transform normal vector by inverse transpose of matrix and then renormalize the vector | |
#define | OUTER_PRODUCT_2X2(m, v, t) |
outer product of vector times vector transpose | |
#define | OUTER_PRODUCT_3X3(m, v, t) |
outer product of vector times vector transpose | |
#define | OUTER_PRODUCT_4X4(m, v, t) |
outer product of vector times vector transpose | |
#define | ACCUM_OUTER_PRODUCT_2X2(m, v, t) |
outer product of vector times vector transpose | |
#define | ACCUM_OUTER_PRODUCT_3X3(m, v, t) |
outer product of vector times vector transpose | |
#define | ACCUM_OUTER_PRODUCT_4X4(m, v, t) |
outer product of vector times vector transpose | |
#define | DETERMINANT_2X2(d, m) |
determinant of matrix | |
#define | DETERMINANT_3X3(d, m) |
determinant of matrix | |
#define | COFACTOR_4X4_IJ(fac, m, i, j) |
i,j,th cofactor of a 4x4 matrix | |
#define | DETERMINANT_4X4(d, m) |
determinant of matrix | |
#define | COFACTOR_2X2(a, m) |
cofactor of matrix | |
#define | COFACTOR_3X3(a, m) |
cofactor of matrix | |
#define | COFACTOR_4X4(a, m) |
cofactor of matrix | |
#define | ADJOINT_2X2(a, m) |
adjoint of matrix | |
#define | ADJOINT_3X3(a, m) |
adjoint of matrix | |
#define | ADJOINT_4X4(a, m) |
adjoint of matrix | |
#define | SCALE_ADJOINT_2X2(a, s, m) |
compute adjoint of matrix and scale | |
#define | SCALE_ADJOINT_3X3(a, s, m) |
compute adjoint of matrix and scale | |
#define | SCALE_ADJOINT_4X4(a, s, m) |
compute adjoint of matrix and scale | |
#define | INVERT_2X2(b, det, a) |
inverse of matrix | |
#define | INVERT_3X3(b, det, a) |
inverse of matrix | |
#define | INVERT_4X4(b, det, a) |
inverse of matrix | |
#define | MAT_GET_ROW(mat, vec3, rowindex) |
Get the triple(3) row of a transform matrix. | |
#define | MAT_GET_ROW2(mat, vec2, rowindex) |
Get the tuple(2) row of a transform matrix. | |
#define | MAT_GET_ROW4(mat, vec4, rowindex) |
Get the quad (4) row of a transform matrix. | |
#define | MAT_GET_COL(mat, vec3, colindex) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_GET_COL2(mat, vec2, colindex) |
Get the tuple(2) col of a transform matrix. | |
#define | MAT_GET_COL4(mat, vec4, colindex) |
Get the quad (4) col of a transform matrix. | |
#define | MAT_GET_X(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_GET_Y(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_GET_Z(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_SET_X(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_SET_Y(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_SET_Z(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_GET_TRANSLATION(mat, vec3) |
Get the triple(3) col of a transform matrix. | |
#define | MAT_SET_TRANSLATION(mat, vec3) |
Set the triple(3) col of a transform matrix. | |
#define | MAT_DOT_ROW(mat, vec3, rowindex) (vec3[0] * mat[rowindex][0] + vec3[1] * mat[rowindex][1] + vec3[2] * mat[rowindex][2]) |
Returns the dot product between a vec3f and the row of a matrix. | |
#define | MAT_DOT_ROW2(mat, vec2, rowindex) (vec2[0] * mat[rowindex][0] + vec2[1] * mat[rowindex][1]) |
Returns the dot product between a vec2f and the row of a matrix. | |
#define | MAT_DOT_ROW4(mat, vec4, rowindex) (vec4[0] * mat[rowindex][0] + vec4[1] * mat[rowindex][1] + vec4[2] * mat[rowindex][2] + vec4[3] * mat[rowindex][3]) |
Returns the dot product between a vec4f and the row of a matrix. | |
#define | MAT_DOT_COL(mat, vec3, colindex) (vec3[0] * mat[0][colindex] + vec3[1] * mat[1][colindex] + vec3[2] * mat[2][colindex]) |
Returns the dot product between a vec3f and the col of a matrix. | |
#define | MAT_DOT_COL2(mat, vec2, colindex) (vec2[0] * mat[0][colindex] + vec2[1] * mat[1][colindex]) |
Returns the dot product between a vec2f and the col of a matrix. | |
#define | MAT_DOT_COL4(mat, vec4, colindex) (vec4[0] * mat[0][colindex] + vec4[1] * mat[1][colindex] + vec4[2] * mat[2][colindex] + vec4[3] * mat[3][colindex]) |
Returns the dot product between a vec4f and the col of a matrix. | |
#define | INV_MAT_DOT_VEC_3X3(p, m, v) |
Definition in file gim_linear_math.h.
outer product of vector times vector transpose
The outer product of vector v and vector transpose t yeilds dyadic matrix m.
Definition at line 1053 of file gim_linear_math.h.
outer product of vector times vector transpose
The outer product of vector v and vector transpose t yeilds dyadic matrix m.
Definition at line 1067 of file gim_linear_math.h.
outer product of vector times vector transpose
The outer product of vector v and vector transpose t yeilds dyadic matrix m.
Definition at line 1087 of file gim_linear_math.h.
#define ACCUM_SCALE_MATRIX_2X2 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 765 of file gim_linear_math.h.
#define ACCUM_SCALE_MATRIX_3X3 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 775 of file gim_linear_math.h.
#define ACCUM_SCALE_MATRIX_4X4 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 791 of file gim_linear_math.h.
adjoint of matrix
Computes adjoint of matrix m, returning a (Note that adjoint is just the transpose of the cofactor matrix)
Definition at line 1234 of file gim_linear_math.h.
adjoint of matrix
Computes adjoint of matrix m, returning a (Note that adjoint is just the transpose of the cofactor matrix)
Definition at line 1252 of file gim_linear_math.h.
cofactor of matrix
Computes cofactor of matrix m, returning a
Definition at line 1186 of file gim_linear_math.h.
i,j,th cofactor of a 4x4 matrix
Definition at line 1133 of file gim_linear_math.h.
#define COPY_MATRIX_2X2 | ( | b, | |
a | |||
) |
matrix copy
Definition at line 553 of file gim_linear_math.h.
#define COPY_MATRIX_2X3 | ( | b, | |
a | |||
) |
matrix copy
Definition at line 563 of file gim_linear_math.h.
#define COPY_MATRIX_3X3 | ( | b, | |
a | |||
) |
matrix copy
Definition at line 575 of file gim_linear_math.h.
#define COPY_MATRIX_4X4 | ( | b, | |
a | |||
) |
matrix copy
Definition at line 591 of file gim_linear_math.h.
determinant of matrix
Computes determinant of matrix m, returning d
Definition at line 1123 of file gim_linear_math.h.
determinant of matrix
Computes determinant of matrix m, returning d
Definition at line 1157 of file gim_linear_math.h.
initialize matrix
Definition at line 427 of file gim_linear_math.h.
Transpose matrix times vector v is a vec3f and m is a mat4f
Definition at line 1480 of file gim_linear_math.h.
inverse transpose of matrix times vector
This macro computes inverse transpose of matrix m, and multiplies vector v into it, to yeild vector p
DANGER !!! Do Not use this on normal vectors!!! It will leave normals the wrong length !!! See macro below for use on normals.
Definition at line 941 of file gim_linear_math.h.
#define INVERT_2X2 | ( | b, | |
det, | |||
a | |||
) |
inverse of matrix
Compute inverse of matrix a, returning determinant m and inverse b
Definition at line 1318 of file gim_linear_math.h.
#define INVERT_3X3 | ( | b, | |
det, | |||
a | |||
) |
inverse of matrix
Compute inverse of matrix a, returning determinant m and inverse b
Definition at line 1331 of file gim_linear_math.h.
#define INVERT_4X4 | ( | b, | |
det, | |||
a | |||
) |
inverse of matrix
Compute inverse of matrix a, returning determinant m and inverse b
Definition at line 1344 of file gim_linear_math.h.
#define MAT_DOT_COL | ( | mat, | |
vec3, | |||
colindex | |||
) | (vec3[0] * mat[0][colindex] + vec3[1] * mat[1][colindex] + vec3[2] * mat[2][colindex]) |
Returns the dot product between a vec3f and the col of a matrix.
Definition at line 1468 of file gim_linear_math.h.
#define MAT_DOT_COL2 | ( | mat, | |
vec2, | |||
colindex | |||
) | (vec2[0] * mat[0][colindex] + vec2[1] * mat[1][colindex]) |
Returns the dot product between a vec2f and the col of a matrix.
Definition at line 1471 of file gim_linear_math.h.
#define MAT_DOT_COL4 | ( | mat, | |
vec4, | |||
colindex | |||
) | (vec4[0] * mat[0][colindex] + vec4[1] * mat[1][colindex] + vec4[2] * mat[2][colindex] + vec4[3] * mat[3][colindex]) |
Returns the dot product between a vec4f and the col of a matrix.
Definition at line 1474 of file gim_linear_math.h.
#define MAT_DOT_ROW | ( | mat, | |
vec3, | |||
rowindex | |||
) | (vec3[0] * mat[rowindex][0] + vec3[1] * mat[rowindex][1] + vec3[2] * mat[rowindex][2]) |
Returns the dot product between a vec3f and the row of a matrix.
Definition at line 1459 of file gim_linear_math.h.
#define MAT_DOT_ROW2 | ( | mat, | |
vec2, | |||
rowindex | |||
) | (vec2[0] * mat[rowindex][0] + vec2[1] * mat[rowindex][1]) |
Returns the dot product between a vec2f and the row of a matrix.
Definition at line 1462 of file gim_linear_math.h.
#define MAT_DOT_ROW4 | ( | mat, | |
vec4, | |||
rowindex | |||
) | (vec4[0] * mat[rowindex][0] + vec4[1] * mat[rowindex][1] + vec4[2] * mat[rowindex][2] + vec4[3] * mat[rowindex][3]) |
Returns the dot product between a vec4f and the row of a matrix.
Definition at line 1465 of file gim_linear_math.h.
matrix times vector v is a vec3f and m is a mat4f
Last column is added as the position
Definition at line 898 of file gim_linear_math.h.
Get the triple(3) col of a transform matrix.
Definition at line 1401 of file gim_linear_math.h.
Get the triple(3) col of a transform matrix.
Definition at line 1407 of file gim_linear_math.h.
Get the triple(3) col of a transform matrix.
Definition at line 1413 of file gim_linear_math.h.
#define MATRIX_PRODUCT_2X2 | ( | c, | |
a, | |||
b | |||
) |
matrix product
c[x][y] = a[x][0]*b[0][y]+a[x][1]*b[1][y]+a[x][2]*b[2][y]+a[x][3]*b[3][y];
Definition at line 816 of file gim_linear_math.h.
#define MATRIX_PRODUCT_3X3 | ( | c, | |
a, | |||
b | |||
) |
matrix product
c[x][y] = a[x][0]*b[0][y]+a[x][1]*b[1][y]+a[x][2]*b[2][y]+a[x][3]*b[3][y];
Definition at line 827 of file gim_linear_math.h.
#define MATRIX_PRODUCT_4X4 | ( | c, | |
a, | |||
b | |||
) |
matrix product
c[x][y] = a[x][0]*b[0][y]+a[x][1]*b[1][y]+a[x][2]*b[2][y]+a[x][3]*b[3][y];
Definition at line 844 of file gim_linear_math.h.
transform normal vector by inverse transpose of matrix and then renormalize the vector
This macro computes inverse transpose of matrix m, and multiplies vector v into it, to yeild vector p Vector p is then normalized.
Definition at line 965 of file gim_linear_math.h.
outer product of vector times vector transpose
The outer product of vector v and vector transpose t yeilds dyadic matrix m.
Definition at line 1005 of file gim_linear_math.h.
outer product of vector times vector transpose
The outer product of vector v and vector transpose t yeilds dyadic matrix m.
Definition at line 1025 of file gim_linear_math.h.
matrix rotation X
Definition at line 475 of file gim_linear_math.h.
matrix rotation Y
Definition at line 501 of file gim_linear_math.h.
matrix rotation Z
Definition at line 527 of file gim_linear_math.h.
compute adjoint of matrix and scale
Computes adjoint of matrix m, scales it by s, returning a
Definition at line 1281 of file gim_linear_math.h.
compute adjoint of matrix and scale
Computes adjoint of matrix m, scales it by s, returning a
Definition at line 1300 of file gim_linear_math.h.
#define SCALE_MATRIX_2X2 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 665 of file gim_linear_math.h.
#define SCALE_MATRIX_3X3 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 675 of file gim_linear_math.h.
#define SCALE_MATRIX_4X4 | ( | b, | |
s, | |||
a | |||
) |
multiply matrix by scalar
Definition at line 691 of file gim_linear_math.h.
multiply matrix by scalar. Each columns is scaled by each scalar vector component
Definition at line 725 of file gim_linear_math.h.
multiply matrix by scalar
Definition at line 741 of file gim_linear_math.h.
#define TRANSPOSE_MATRIX_2X2 | ( | b, | |
a | |||
) |
matrix transpose
Definition at line 615 of file gim_linear_math.h.
#define TRANSPOSE_MATRIX_3X3 | ( | b, | |
a | |||
) |
matrix transpose
Definition at line 625 of file gim_linear_math.h.
#define TRANSPOSE_MATRIX_4X4 | ( | b, | |
a | |||
) |
matrix transpose
Definition at line 641 of file gim_linear_math.h.
#define VEC_ACCUM | ( | c, | |
a, | |||
b | |||
) |
accumulate scaled vector
Definition at line 170 of file gim_linear_math.h.
#define VEC_ACCUM_2 | ( | c, | |
a, | |||
b | |||
) |
accumulate scaled vector
Definition at line 163 of file gim_linear_math.h.
#define VEC_ACCUM_4 | ( | c, | |
a, | |||
b | |||
) |
accumulate scaled vector
Definition at line 178 of file gim_linear_math.h.
#define VEC_BLEND | ( | vr, | |
a, | |||
b, | |||
s | |||
) | VEC_BLEND_AB(vr, (1 - s), a, s, b) |
Vector blending Takes two vectors a, b, blends them together with s <=1
Definition at line 362 of file gim_linear_math.h.
#define VEC_CONJUGATE_LENGTH | ( | a, | |
l | |||
) |
#define VEC_COPY | ( | b, | |
a | |||
) |
Copy 3D vector.
Definition at line 66 of file gim_linear_math.h.
#define VEC_COPY_2 | ( | b, | |
a | |||
) |
Vector copy.
Definition at line 59 of file gim_linear_math.h.
#define VEC_COPY_4 | ( | b, | |
a | |||
) |
Copy 4D vector.
Definition at line 74 of file gim_linear_math.h.
#define VEC_CROSS | ( | c, | |
a, | |||
b | |||
) |
Vector cross.
Definition at line 294 of file gim_linear_math.h.
Vector difference.
Definition at line 98 of file gim_linear_math.h.
Vector difference.
Definition at line 91 of file gim_linear_math.h.
#define VEC_DOT | ( | a, | |
b | |||
) | ((a)[0] * (b)[0] + (a)[1] * (b)[1] + (a)[2] * (b)[2]) |
Vector dot product.
Definition at line 190 of file gim_linear_math.h.
#define VEC_DOT_2 | ( | a, | |
b | |||
) | ((a)[0] * (b)[0] + (a)[1] * (b)[1]) |
Vector dot product.
Definition at line 187 of file gim_linear_math.h.
#define VEC_DOT_4 | ( | a, | |
b | |||
) | ((a)[0] * (b)[0] + (a)[1] * (b)[1] + (a)[2] * (b)[2] + (a)[3] * (b)[3]) |
Vector dot product.
Definition at line 193 of file gim_linear_math.h.
vector transpose times matrix
p[j] = v[0]*m[0][j] + v[1]*m[1][j] + v[2]*m[2][j];
Definition at line 907 of file gim_linear_math.h.
#define VEC_EQUAL | ( | v1, | |
v2 | |||
) | (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2]) |
Definition at line 384 of file gim_linear_math.h.
vector impact parameter
Definition at line 203 of file gim_linear_math.h.
#define VEC_INV_LENGTH | ( | a, | |
l | |||
) |
Vector inv length.
Definition at line 238 of file gim_linear_math.h.
#define VEC_INV_LENGTH_2 | ( | a, | |
l | |||
) |
Vector inv length.
Definition at line 231 of file gim_linear_math.h.
#define VEC_INV_LENGTH_4 | ( | a, | |
l | |||
) |
Vector inv length.
Definition at line 245 of file gim_linear_math.h.
#define VEC_LENGTH | ( | a, | |
l | |||
) |
#define VEC_LENGTH_2 | ( | a, | |
l | |||
) |
#define VEC_LENGTH_4 | ( | a, | |
l | |||
) |
Finds the 2 smallest cartesian coordinates from a vector.
Definition at line 377 of file gim_linear_math.h.
#define VEC_NEAR_EQUAL | ( | v1, | |
v2 | |||
) | (GIM_NEAR_EQUAL(v1[0], v2[0]) && GIM_NEAR_EQUAL(v1[1], v2[1]) && GIM_NEAR_EQUAL(v1[2], v2[2])) |
Definition at line 386 of file gim_linear_math.h.
#define VEC_NORMALIZE | ( | a | ) |
Vector length.
Definition at line 267 of file gim_linear_math.h.
Vector parallel – assumes that n is of unit length
Definition at line 312 of file gim_linear_math.h.
Same as Vector parallel – n can have any length accepts vector v, subtracts out any component perpendicular to n
Definition at line 322 of file gim_linear_math.h.
Vector reflection – assumes n is of unit length Takes vector v, reflects it against reflector n, and returns vr
Definition at line 343 of file gim_linear_math.h.
Set Vector size.
Definition at line 280 of file gim_linear_math.h.
#define VEC_SCALE | ( | c, | |
a, | |||
b | |||
) |
scalar times vector
Definition at line 146 of file gim_linear_math.h.
#define VEC_SCALE_2 | ( | c, | |
a, | |||
b | |||
) |
scalar times vector
Definition at line 139 of file gim_linear_math.h.
#define VEC_SCALE_4 | ( | c, | |
a, | |||
b | |||
) |
scalar times vector
Definition at line 154 of file gim_linear_math.h.
Definition at line 364 of file gim_linear_math.h.
Vector sum.
Definition at line 122 of file gim_linear_math.h.
Vector sum.
Definition at line 115 of file gim_linear_math.h.
#define VEC_SWAP | ( | b, | |
a | |||
) |
VECTOR SWAP.
Definition at line 83 of file gim_linear_math.h.
#define VEC_ZERO | ( | a | ) |
Zero out a 3D vector.
Definition at line 47 of file gim_linear_math.h.
#define VEC_ZERO_2 | ( | a | ) |
Zero out a 2D vector.
Definition at line 41 of file gim_linear_math.h.
#define VEC_ZERO_4 | ( | a | ) |
Zero out a 4D vector.
Definition at line 53 of file gim_linear_math.h.
initialize matrix
Definition at line 451 of file gim_linear_math.h.