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Vector3.DOWN

Represents negative Y direction (0, -1, 0).

Method Signature​

Vector3.down()

Description​

Used for gravity direction, ground checks, and downward raycasts.

Mathematical Definition​

DOWN = (0,-1,0)

Parameters​

  • None.

Returns​

  • Vector3: unit vector on -Y axis.

Mutability​

  • Treat as read-only constant.

Edge Cases​

  • Coordinate-system conventions may differ.

Usage Example​

Vector3 gravityStep = Vector3.down().multiply(9.81f * Time.deltaTime());

Mathematical Example​

UP.add(DOWN) = ZERO

Visualization​