DIDDY2 – fixedrate/deltatime – causing jittering and pauses when moving

[AmonParticipant]

In my ships update method I use this:

Monkey

Method Update(fixedrate:Float) Local fr:Float = fixedrate If Keyboard.KeyDown(Key.Left) x -= sp * fr Endif If Keyboard.KeyDown(Key.Right) x += sp * fr Endif End

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Method Update(fixedrate:Float) Local fr:Float = fixedrate If Keyboard.KeyDown(Key.Left) x -= sp * fr Endif If Keyboard.KeyDown(Key.Right) x += sp * fr Endif End

Within the GameScreen I feed fixedrate to the Ships update class as a parameter.

Now, whether I’m using fixedrate or delta, when moving the ship, it begins to stop for about half a second then starts moving again. This is not normal behavior.

When for instance I remove multiplying by fixed rate or delta I do not get this stuttery movement with the ship.

Can anyone suggest what could be wrong?

[therevillsParticipant]

Could you post more code? What type of variable is x and sp?

[AmonParticipant]

x holds the player position as a float and sp is the speed of the player’s movement as a float.

[Author]

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