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Add pos setter and getter to mat4.

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treeform 2021-10-26 08:36:19 -07:00
parent 47891e35d2
commit f9f41a5bb2
1 changed files with 8 additions and 0 deletions
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src/vmath.nim
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@ -977,6 +977,14 @@ proc `pos=`*[T](a: var GMat3[T], pos: GVec2[T]) =
a[2, 0] = pos.x
a[2, 1] = pos.y
proc pos*[T](a: GMat4[T]): GVec3[T] =
gvec2[T](a[2].x, a[2].y, a[2].z)
proc `pos=`*[T](a: var GMat4[T], pos: GVec3[T]) =
a[2, 0] = pos.x
a[2, 1] = pos.y
a[2, 2] = pos.z
proc `*`*[T](a, b: GMat3[T]): GMat3[T] =
result[0, 0] = b[0, 0] * a[0, 0] + b[0, 1] * a[1, 0] + b[0, 2] * a[2, 0]
result[0, 1] = b[0, 0] * a[0, 1] + b[0, 1] * a[1, 1] + b[0, 2] * a[2, 1]