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changeMass(by:duration:)

Creates an action that changes the mass of a node’s physics body by a relative value.

Declaration

class func changeMass(by v: Float, duration: TimeInterval) -> SKAction

Parameters

  • v:

    The amount to add to the physics body’s mass.

  • duration:

    The duration of the animation.

Return Value

A new action object.

Discussion

When the action executes, the physics body’s mass property animates from its current value to its new value.

This action is reversible; the reverse is created as if the following code is executed:

See Also

Animating Properties of a Node’s Physics Body