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==HOW TO BUILD A FIRE TRAP== | ==HOW TO BUILD A FIRE TRAP== | ||
''' | '''INTRODUCTION''' | ||
In the "We don't Go to Ravenholm" (HL2) scene, you may recall an encounter with a fire-trap obstacle. To advance into the main building without (taking damage from the fire), you | |||
discovered that you could extinguish the fire by simply turning off the propane tank, which | |||
fueled the trap. Thereafter, you might have exploited the trap and used it against the Zombies. | |||
---- | |||
This page will describe how to build a fire trap for use in your custom map. | This page will describe how to build a fire trap for use in your custom map. | ||
[[Image:FTSYS ON.png]] | |||
==FIRE TRAP SYSTEM DESCRIPTION== | |||
The fire-trap system is comprised of a set of smaller systems (various functioning components) which, when combined and triggered in a logical sequence, will invoke a controlled fire. If we | |||
were to build this in the real world, we would first want to examine what the system's nomenclature is and what it consists of: | |||
*'''A Combustable Fuel Source''': In this case, propane gas is a viable source. | |||
*'''A Fuel-Source Delivery System''': Comprised of: | |||
: - a propane-gas tank to store the gas. | |||
: - a plunger (wheel-valve) to control the release and volume of the gas. | |||
: - Some pipes to strategically channel the released gas. (Preferably with gas-jet nozzles). | |||
*'''A Fuel Igniter System''': An ''electrically triggered spark'' via a push-button would do the trick. | |||
*'''An Extinguisher System''': Primarily, the wheel-valve, as described above. | |||
---- | ---- | ||
Plausibility of a functioning fire-trap depends on the sequence of events, which invoke the | |||
fire. For example, we would not typically invoke the fire ''before'' we invoke the gas, etc. The table below describes reasonably expected aural and visual effects, which would result from our interaction with the fire-trap. | |||
'''STARTING THE FIRE:''' | |||
{|border="1" cellpadding="2" align="right" | |||
'''STARTING THE FIRE''' | ! style="background:#ffdead;" |Sequence | ||
! style="background:#ffdead;" |Image | |||
1) Release the Gas: | |-valign="top" | ||
* Player +USE (Turns/Opens the wheel-valve) | |1) '''Release the Gas''': | ||
* Trigger | :* Player +USE (Turns/Opens the wheel-valve) | ||
* Trigger | :* Trigger sound (Groaning Plunger) | ||
* Trigger | :* Trigger sound (Hissing Steam (escaping gas)) | ||
:* Trigger visual (Heatwave particle (escaping gas)) | |||
2) Ignite the Gas: | |[[Image:FTSYS Step1.png]] | ||
* Player +USE (Push rotating button) | |-valign="top" | ||
* Trigger | |2) '''Ignite the Gas''': | ||
* Trigger | :* Player +USE (Push rotating button) | ||
* Trigger | :* Trigger sound (Electrical Zap) | ||
* Trigger | :* Trigger sound (Spontaneous Combustion) | ||
:* Trigger sound (Burning Fire) | |||
''' | :* Trigger visual (Fire) | ||
|[[Image:FTSYS Step2.png]] | |||
|-valign="top" | |||
* Player +USE (Turns/Closes the wheel-valve) | |1) '''Shut Off the Gas''': | ||
* Trigger | :* Player +USE (Turns/Closes the wheel-valve) | ||
* Stop | :* Trigger sound (Groaning Plunger) | ||
* Stop | :* Stop visual (Heatwave particle (escaping gas)) | ||
* Stop | :* Stop sound (Hissing Steam (escaping gas)) | ||
* Stop | :* Stop sound (Burning Fire) | ||
* Trigger | :* Stop visual (Fire) | ||
:* Trigger sound (Combustion Out) | |||
| Back to the Wheel-Valve | |||
|} | |||
==REQUIRED OBJECTS== | ==REQUIRED OBJECTS== | ||
Revision as of 00:42, 1 March 2009
HOW TO BUILD A FIRE TRAP
INTRODUCTION
In the "We don't Go to Ravenholm" (HL2) scene, you may recall an encounter with a fire-trap obstacle. To advance into the main building without (taking damage from the fire), you discovered that you could extinguish the fire by simply turning off the propane tank, which fueled the trap. Thereafter, you might have exploited the trap and used it against the Zombies.
This page will describe how to build a fire trap for use in your custom map.
FIRE TRAP SYSTEM DESCRIPTION
The fire-trap system is comprised of a set of smaller systems (various functioning components) which, when combined and triggered in a logical sequence, will invoke a controlled fire. If we were to build this in the real world, we would first want to examine what the system's nomenclature is and what it consists of:
- A Combustable Fuel Source: In this case, propane gas is a viable source.
- A Fuel-Source Delivery System: Comprised of:
- - a propane-gas tank to store the gas.
- - a plunger (wheel-valve) to control the release and volume of the gas.
- - Some pipes to strategically channel the released gas. (Preferably with gas-jet nozzles).
- A Fuel Igniter System: An electrically triggered spark via a push-button would do the trick.
- An Extinguisher System: Primarily, the wheel-valve, as described above.
Plausibility of a functioning fire-trap depends on the sequence of events, which invoke the fire. For example, we would not typically invoke the fire before we invoke the gas, etc. The table below describes reasonably expected aural and visual effects, which would result from our interaction with the fire-trap.
STARTING THE FIRE:
| Sequence | Image |
|---|---|
1) Release the Gas:
|
|
2) Ignite the Gas:
|
|
1) Shut Off the Gas:
|
Back to the Wheel-Valve |