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In last update we have ended with the rough prototype of the new location. We have shown how the Supertexture in Take on Mars are created and imported in to the game. Since the source data for this location didn't included any height data it was necessary to sculpt the terrain manually. For this we are using our proprietary tool set called Workbench, which contains standardized terrain displacement editing tools. The height map, created this way, will be utilized later, when creating the fake terrain. Rough sculpt of terrain with low resolution Supertexture The low-res Supertexture prototype has shown promising results so it is time proceed with the recoloring of hi-res version. For this we will be editing the gray scale original in the Photoshop. By adding several fill layers with appropriate masking and adjusting the contrast, we will add the desired color to the image. The final image will serve as source for both the Supertexture and material for the fake surround terrain. Colorizing the Supertexture in Photoshop The exported height map from game terrain covers only the playable area of location. For the surround terrain will be necessary extend the height map to full area in a way that will ensure seamless transition between game terrain and fake terrain model. The full Heightmap area, while b eing drawn. The white rectangle represents the original exported from Workbench. When the full height map is prepared it can be used to create a displacement mesh in the 3D Studio Max and after few adjustments can be exported back in to the game as a static model. Edit of fake surrounding terrain in 3DS Max, blue mesh represents the original terrain Finalized fake terrain in game with almost unnoticeable seam between real terrain and fake
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With this first entry, we are starting a series of irregular developer diaries, which should give you a glimpse into the problematics of creating Take on Mars. In this developer diary I would like to give you an idea how we proceed during the creation of the realistic locations in Take on Mars. Do not be afraid, it is not rocket science and I am sure that after reading this series of articles you will have an idea on how to create locations of your own, using the integrated Workbench suite shipped with the game. What we do, is that we first create a "Supertexture" – a high resolution image of the landscape which is mapped on to the in-game terrain. As a source for this Supertexture, we use the publicly available satellite data provided by NASA. These images are accessible under the "Public Domain" license, which means that anyone can grab these images of Mars acquired by the HiRISE satellite and use them in their products. www.uahirise.org, source for satellite data acquired by NASA. Courtesy of NASA/JPL/University of Arizona For this example, I have selected the satellite images from the North pole which I am currently working on. HiRISE lets you download the black and white satellite images in an extreme resolution of 32046×42431 pixels. When imported into Photoshop, the final file can take up to 4GB of data; that is the situation where a PC with a large amount of RAM comes in handy. Such a huge image provides a resolution of ~4 pixels per square meter. For both polar caps (south and north) we decided to create two 2×2 km locations. This means that the final resolution of the Super texture for this location will be 8192 pixels. These 2×2 km represent the playable area, but won't look all that good if the terrain is suddenly cut-off at the edges. Therefore it is necessary to create an illusion of the much wider terrain, which is achieved by making a fake surrounding terrain via model. To ensure good visibility, we need to take data from an area of at least 5×5 km, which makes up an image of total 20480×20480 pixels. The satellite image ready to be cropped, the white rectangle represents the playable area (2x2 km) The final 20480×20480 px. image will serve as a source for creating the texture for the fake surround terrain and also for the 8048×8048 Supertexture used in the location itself. Because such huge images are very cumbersome to work with, it is better to first create a low resolution re-color prototype and test it in game. Supertexture prototype in game editor, mapped on flat terrain Sometimes NASA also provides terrain height data with their satellite pictures. Unfortunately in this case there weren't any height data available for this location, thus it was necessary to sculpt the terrain by hand, but that will have to wait until the next developer diary!
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Hey all, I have a question, I am trying to get a AI controlled Blackhawk to flyinheight upto 1000 from a steady incline from 3 waypoints, I would like the Blackhawk to hover over the DZ for approx. 30 sec. I wanted to add some enemy AI around DZ for extra fun for ground troops to clear for halo jump. It just so happens the Blackhawk ID's the enemy first and flys around rarely going to hover point for halo jump. I have this allowFleeing 0, but that does not seem enough. Any other ideas? could I script it in initsqf for Blackhawk to go to each waypoints? if so what does that look like? Thanks in advance. Does Norrins heli taxi work for this?
