Low Health Pulse

[oblique sand]

You can mimic a low-health pulse by combining a Ticker (to drive a fading variable) with a loading requirement and opacity math.

1. Add a Ticker and give it an action script that updates a variable each tick. For example, use Set Variable Value with something like
   pulse_strength:{"placeholder":"calc","values":{"decimal":"true","expression":"(Math.sin(({"placeholder":"world_time"} / 4) * (1 + 1 - {"placeholder":"current_player_health_percent"} / 100)) + 1) * 0.5"}}
   This gives you a value between 0 and 1 that pulses faster as current_player_health_percent drops. (The calc placeholder logic is explained in the Placeholders doc.)

2. On your health bar element, add a Loading Requirement — e.g., Is Number checking that current_player_health_percent is below whatever low-health threshold you want. That keeps the pulse visible only when you’re hurt.

3. Use the variable from step 1 in the element’s Opacity (or tint) field via a placeholder:
   {"placeholder":"getvariable","values":{"name":"pulse_strength"}}
   The Element Opacity doc covers using placeholders to drive opacity so you can make it fade in/out.

4. If you want the entire element to flash rather than just fade, you can also toggle visibility with the same variable (e.g., Is Number requirement testing whether pulse_strength is above 0.5) — you’ll get a faster blink as health drops because the Ticker is scaling frequency with current_player_health_percent.

That setup gives you a heartbeat-style pulse only when health is low, with the pulse speeding up the lower the percent gets.

[cold parcel]

guide me through these step by step

[oblique sand]

Absolutely! Let’s walk through it step by step 😊

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1. Create a Ticker to drive the pulse

• Add a Ticker element to your layout.
• Right-click it → Edit Action Script → add a Set Variable Value action.
• Use this value (adjust as needed):

pulse_strength:{"placeholder":"calc","values":{"decimal":"true","expression":"(sin(({"placeholder":"world_time"} / 4) * (1 + (1 - {"placeholder":"current_player_health_percent"} / 100))) + 1) * 0.5"}}

This math makes pulse_strength go between 0 and 1, speeding up as your percent drops. If needed, tweak the /4 or 1 + ... parts to adjust base speed.

👉 For more on calc, see the Placeholders doc.

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2. Show it only at low health

• Right-click your health bar element → Loading Requirements → add Is Number.
• Set it to compare current_player_health_percent with your threshold (e.g., “less than 35”).
  • Mode: smaller-than
  • Compare with: 35

Now the effect only runs when you’re hurt enough.

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3. Apply the pulsing opacity

• Right-click the health bar → Opacity → Set.
• Enter this (it pulls the variable):

{"placeholder":"getvariable","values":{"name":"pulse_strength"}}

Now the bar fades in/out with pulse_strength.

For opacity controls & placeholders, the Element Opacity doc has the same workflow.

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4. Optional: Flash instead of smooth fade

If you prefer a blink:

• Add another Is Number requirement (or use the same one) that checks if pulse_strength is bigger-than 0.6.
• Stack it so the health bar shows only when the pulse is “high,” creating a flash.

Combine both opacity and visibility to get a heartbeat or strobe effect.

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Would you like me to help you adjust specific values (thresholds, speed, etc.) next?

[cold parcel]

do i need to create a new variable called pulse_strength?

[oblique sand]

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