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37 lines
1.3 KiB
GDScript
37 lines
1.3 KiB
GDScript
# Math and vector utility functions.
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class_name GSAIUtils
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# Returns the `vector` with its length capped to `limit`.
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static func clampedv3(vector: Vector3, limit: float) -> Vector3:
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var length_squared := vector.length_squared()
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var limit_squared := limit * limit
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if length_squared > limit_squared:
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vector *= sqrt(limit_squared / length_squared)
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return vector
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# Returns an angle in radians between the positive X axis and the `vector`.
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#
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# This assumes orientation for 3D agents that are upright and rotate
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# around the Y axis.
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static func vector3_to_angle(vector: Vector3) -> float:
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return atan2(vector.x, vector.z)
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# Returns an angle in radians between the positive X axis and the `vector`.
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static func vector2_to_angle(vector: Vector2) -> float:
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return atan2(vector.x, -vector.y)
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# Returns a directional vector from the given orientation angle.
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#
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# This assumes orientation for 2D agents or 3D agents that are upright and
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# rotate around the Y axis.
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static func angle_to_vector2(angle: float) -> Vector2:
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return Vector2(sin(-angle), cos(angle))
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# Returns a vector2 with `vector`'s x and y components.
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static func to_vector2(vector: Vector3) -> Vector2:
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return Vector2(vector.x, vector.y)
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# Returns a vector3 with `vector`'s x and y components and 0 in z.
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static func to_vector3(vector: Vector2) -> Vector3:
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return Vector3(vector.x, vector.y, 0)
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