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 [System Design - Demo] 3D Isometric Map System ala FF Tactics

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Alissa
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Join date : 2011-07-10

PostSubject: [System Design - Demo] 3D Isometric Map System ala FF Tactics   Tue Jul 12, 2011 12:59 am

3D Isometric Map System ala FF Tactics
Created using GM 8.

Overview
Isometric map is a tile map that uses isometric projection (click here for definition).

One of games using isometric map system is Final Fantasy Tactics (FFT). FFT uses isometric map (in 3D) as world in the battle system, as shown in screenshot below.


FFT's isometric map system has several advantages:
- uses 3D graphics, in isometric projection
- the map can be rotated, unlike other isometric games
- enables slope terrains, using 4 vertices in different heights

And, the system design for the project tries to adopt from FFT's isometric map system. Because of its 3D graphics, it draws the screen using texture primitives.
And because 3D features of GM is limited, for instead I try to draw texture primitives with two-dimensional-coordinate vertices. But I have to compute vertices coordinate using parallel 3D-to-2D projection formula:

(or
click here to view the formula:
 
)
And.. the result will be as shown at the screenshot.

Screenshots

See more at my deviantART gallery: http://listra92.deviantart.com/gallery/30479947

Instructions
Arrow keys: move character
WSAD: rotate map

Download Demo Game
http://ifile.it/w3njtly/aaa.zip
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SerpentZ
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Join date : 2011-07-12

PostSubject: Re: [System Design - Demo] 3D Isometric Map System ala FF Tactics   Tue Jul 12, 2011 7:02 pm

hm.... :v
ternyata pake formula
Quote :
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