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Handle alignment with up direction in the Look Rotation example #91

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Merged
merged 2 commits into from
Jul 7, 2025
Merged

Handle alignment with up direction in the Look Rotation example #91

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10e4c4e
Handle alignment with up direction in look_rotation.script
aglitchman Jun 5, 2025
b92c9cc
Update look rotation alignment threshold
aglitchman Jun 10, 2025
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7 changes: 6 additions & 1 deletion movement/look_rotation/example/look_rotation.script
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,11 @@ local function quat_look_rotation(forward, upwards)
return vmath.quat()
end

-- Handle alignment with up direction
if math.abs(vmath.dot(forward, upwards)) > 0.9999999 then
return vmath.quat_from_to(vmath.vector3(0, 0, 1), forward)
end

-- Create a rotation matrix from the forward and upwards vectors
local matrix = vmath.matrix4_look_at(vmath.vector3(0), forward, upwards)

Expand Down Expand Up @@ -61,4 +66,4 @@ function on_input(self, action_id, action)
if action.pressed then
next_target(self)
end
end
end