MyouProject/vmath
2
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

expose gen*Constructor for users to add their own types.

Browse source
This commit is contained in:
treeform 2023-02-27 12:58:31 -08:00
parent da54243231
commit cd6fd9cfca
1 changed files with 11 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/vmath.nim
View file

@ -475,7 +475,8 @@ proc `zmod`*(a, b: float32): float32 =
template lowerType(a: typed): string =
($type(a)).toLowerAscii()
template genConstructor(lower, upper, typ: untyped) =
template genVecConstructor*(lower, upper, typ: untyped) =
## Generate vector constructor for your own type.
proc `lower 2`*(): `upper 2` = gvec2[typ](typ(0), typ(0))
proc `lower 3`*(): `upper 3` = gvec3[typ](typ(0), typ(0), typ(0))
@ -511,11 +512,11 @@ template genConstructor(lower, upper, typ: untyped) =
proc `$`*(a: `upper 4`): string =
lowerType(a) & "(" & $a.x & ", " & $a.y & ", " & $a.z & ", " & $a.w & ")"
genConstructor(bvec, BVec, bool)
genConstructor(ivec, IVec, int32)
genConstructor(uvec, UVec, uint32)
genConstructor(vec, Vec, float32)
genConstructor(dvec, DVec, float64)
genVecConstructor(bvec, BVec, bool)
genVecConstructor(ivec, IVec, int32)
genVecConstructor(uvec, UVec, uint32)
genVecConstructor(vec, Vec, float32)
genVecConstructor(dvec, DVec, float64)
proc vec2*(ivec2: Ivec2): Vec2 =
vec2(ivec2.x.float32, ivec2.y.float32)
@ -872,8 +873,8 @@ proc matToString[T](a: T, n: int): string =
result.setLen(result.len - 2)
result.add "\n)"
template genMatConstructor(lower, upper, T: untyped) =
template genMatConstructor*(lower, upper, T: untyped) =
## Generate matrix constructor for your own type.
proc `lower 2`*(
m00, m01,
m10, m11: T
@ -1434,7 +1435,8 @@ type
Quat* = GVec4[float32]
DQuat* = GVec4[float64]
template genQuatConstructor(lower, upper, typ: untyped) =
template genQuatConstructor*(lower, upper, typ: untyped) =
## Generate quaternion constructor for your own type.
proc `lower`*(): `upper` = gvec4[typ](0, 0, 0, 1)
proc `lower`*(x, y, z, w: typ): `upper` = gvec4[typ](x, y, z, w)
proc `lower`*(x: typ): `upper` = gvec4[typ](x, x, x, x)