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add quat(hpr) method

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treeform 2020-08-03 10:04:29 -07:00
parent b776179c00
commit 47a9acad51
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src/vmath.nim
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@ -1355,6 +1355,9 @@ func quat*(heading, pitch, roll: float32): Quat =
result.y = t0 * t2 * t5 + t1 * t3 * t4 result.y = t0 * t2 * t5 + t1 * t3 * t4
result.z = t1 * t2 * t4 - t0 * t3 * t5 result.z = t1 * t2 * t4 - t0 * t3 * t5
func quat*(hpr: Vec3): Quat =
quat(hpr.x, hpr.y, hpr.z)
func hrp*(q: Quat): Vec3 = func hrp*(q: Quat): Vec3 =
var ysqr = q.y * q.y var ysqr = q.y * q.y
# roll # roll