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Fix rotationMat3.

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treeform 2020-11-23 17:13:01 -08:00
parent 6890c72cfc
commit ac1982820c
1 changed files with 9 additions and 9 deletions
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18
src/vmath.nim
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@ -616,17 +616,17 @@ func rotationMat3*(angle: float32): Mat3 =
let let
sin = sin(angle) sin = sin(angle)
cos = cos(angle) cos = cos(angle)
result[0] = cos result[0, 0] = cos
result[1] = sin result[0, 1] = -sin
result[2] = 0 result[0, 2] = 0
result[3] = -sin result[1, 0] = sin
result[4] = cos result[1, 1] = cos
result[5] = 0 result[1, 2] = 0
result[6] = 0 result[2, 0] = 0
result[7] = 0 result[2, 1] = 0
result[8] = 1 result[2, 2] = 1
func rotate*(a: Mat3, angle: float32): Mat3 = func rotate*(a: Mat3, angle: float32): Mat3 =
# Rotates a matrix by an angle. # Rotates a matrix by an angle.