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Add mat3 * vec3.

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treeform 2021-07-06 08:50:39 -07:00
parent 9b9f8f525e
commit 0a29d51639
1 changed files with 7 additions and 0 deletions
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7
src/vmath.nim
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@ -903,6 +903,13 @@ proc `*`*[T](a: GMat3[T], b: GVec2[T]): GVec2[T] =
a[0, 1] * b.x + a[1, 1] * b.y + a[2, 1]
)
proc `*`*[T](a: GMat3[T], b: GVec3[T]): GVec3[T] =
gvec3[T](
a[0, 0] * b.x + a[1, 0] * b.y + a[2, 0] * b.z,
a[0, 1] * b.x + a[1, 1] * b.y + a[2, 1] * b.z,
a[0, 2] * b.x + a[1, 2] * b.y + a[2, 2] * b.z,
)
proc `*`*[T](a, b: GMat4[T]): GMat4[T] =
let
a00 = a[0, 0]