geometric event

7/29/2019 Geometric Event

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Chaos Theorys Geometric Events

To enable spies to perform their special moves and to enable Mercenaries to use ladders weuse Geometric Events: lets call them GEs.

GE ModeTo add and edit GEs in the editor we have to be in GE mode; just click the GEbutton in the right toolbar. To exit GE mode, press the button again.

In GE mode you will not be able to use any Unreal functions except viewing andediting geometric events and moving the cameraaround the map.

Creating Geometric Events:Creating an event depends on the type you need. Most often it is done usingShift plus another key and left clicking on the brush or SM edge where you wantto place your event (easy to do in wireframe mode in perspective view).

Editing Geometric Events:You can select geometric events by clicking on them or dragging a selection boxaround them, you can edit them by selecting and moving their vertices.

Ledge GrabLedge Grab is the GE that allows the spy:

to grab and hold on to a ledge;

to move along a ledge by grabbing at it, even going round corners;

to pull himself up to reach the next horizontal surface;

to climb obstacles;

to jump over obstacles like fences quickly.

To add a Ledge Grab GE: you must be in GE mode. Hold Shift+L and left click on theedge where you want the character to grab the SM or the brush (easy to do in wireframe modein perspective view).

Example of correct position of Ledge Grab GEs.

208 Units: Minimum height to allow the spy to grab a ledge above him.

320 Units: Maximum ledge height that a spy can grab from wait position.

448 Units: Maximum ledge height that a spy can grab if he runs and jumps, but the move isntlooking good and you better use smaller heights.


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115 Units: Minimum height for a climbable obstacle (if less than115 the spy will simply jump it).

64 Units: Minimum surface size, from a ledge to a wall, to allowthe spy to pull himself up and stand on a platform touching awall.

32 Units: Minimum Ledge length.

From 88 to 128Units: fence height to allow the spyto perform the fence jump move, but we recommendyou to make it 96 units high.

The red lines in the example show the correct GEposition to allow the fence jump move.

Hand-over-HandHand-over-Hand is the GE that allows the spy:

to hang on to and move along horizontal pipes.

To add a Hand-over-Hand GE: you mustbe in GE mode. Hold Shift+H and left click on

the edge where you wish to create the GE.

In red, an example of the correct GE position.

Minimum Clearance needed to performhand tohand = 216


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EXAMPLES OF PIPE SECTIONS: FRONTVIEW.

Pipe ClimbThis is the GE that allows the spy:

to climb vertical pipes.

To add a Pipe Climb GE: you must be in GE mode.Hold Shift+P and left click on the edge where you wish tocreate the GE.

In red, an example of the correct GE position.

Remember to move the GE vertex of the horizontalsegment in order to place it aiming in the direction thatthe character is supposed to come from to catch hold of

the pipe.

EXAMPLE OF VERTICAL PIPE: TOP VIEW.

EXAMPLE OF VERTICAL PIPE SECTION: SIDE VIEW

This is the correct configuration to allow thecharacter to reach a platform from a vertical pipecorrectly.

LadderThis GE allows spies and mercs:

to climb ladders.

To add a Ladder GE: you must be in GE mode.Hold Shift+E and left click on the edge where youwish to create the GE.


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In red, an example of the GE in the right position.

Spies climb the bars two by two so the number of bars must be amultiple of 2; the minimum number of bars is 8.

EXAMPLE OF LADDER

SECTION: SIDE VIEW.

This is the correctconfiguration to allow thecharacter to reach aplatform from a ladder,performing the correctanimations.

Ziplinethis GE allows spies:

to slide down

sloping cables byhanging on to them

To add a Zipline GE:you must be in GE mode.Hold Shift+Z and left clickon the edge where you

wish to create the GE.

In red, an example of the correctGE position.The GE is placed corresponding tothe upper edge or face of the

zipline mesh.

Zipline radius = 2 units

The character can hang a ziplineover himself at a maximum heightof384 units from the floor.

Minimum clearance needed tohang a zipline = 198 units.

Minimum clearance needed tohang a zipline when tucked = 161

units.


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Fence Topthis GE allows spies:

to go across the top of a fence.

About fence climbing:

The climbable surfaces are defined by a flag in the texture, not by a GE. To set a texture as

climbable, right click on it and select propertiesEchelon then put 1 at bClimbable. Save.

If you want to have a fence that you can cross via the top, you will need to add a FenceTop GE.

To add a FenceTop GE: you must be in GE mode. Hold Shift+F and left click on the edgejust below the top of the fence.

In red, an example of a correct FenceTop GE position.


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You can connect horizontal andvertical pipes as shown in thepic.

You have to take care to connectGEs placing their vertexessnapped at the same positionwhere a Pipe Climb GE meets a

Hand-to-Hand GE, as shown inthe pic.

In the same way you canconnect a vertical pipe to azipline.

COOP MOVESThis allows 2 spies to cooperate and reach places too high for them to go on their own.

To create a coop move, you need a ledge GE (Shift + L) that must be at a height of512 unitsabove ground.To play its animation correctly when reaching the platform, the 2nd spy needs an empty spaceof144 units deep, up on the platform.

GE key summaryShift+L add Ledge GrabShift+H add Hand-over-hand

Shift+P add Pipe climbShift+E add LadderShift+Z add ZiplineShift+F add Fence-top

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