Difference between revisions of "Flow map"
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A flow map stores directional information in a texture, also called a vector field. This can be used to control the UV coordinates for a water texture, to make the texture flow around rocks. It can also be used to control the direction of a hairstyle's anisotropic specular highlight. | A flow map stores directional information in a texture, also called a vector field. This can be used to control the UV coordinates for a water texture, to make the texture flow around rocks. It can also be used to control the direction of a hairstyle's anisotropic specular highlight. | ||
| − | == Flow map | + | [[image:waterflowdemo_graphicsrunner.jpg|frameless]] |
| + | [[image:flowmap_graphicsrunner.png|none|frameless]] | ||
| + | Images by [http://graphicsrunner.blogspot.com/2010/08/water-using-flow-maps.html Graphics Runner] | ||
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| + | [[image:UDK_water_with_flow_map.jpg|none|frameless|link:http://www.youtube.com/watch?v=2X1vFVGAlwk]] | ||
| + | [http://www.youtube.com/watch?v=2X1vFVGAlwk UDK - Water with Flow Map] video by [http://www.3dality.co.uk/ Hywel Thomas] | ||
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| + | == Flow map tools and discussions == | ||
| + | * [http://teckartist.com/?page_id=107 FlowMap Painter] tool | ||
| + | * [http://graphicsrunner.blogspot.com/2010/08/water-using-flow-maps.html Graphics Runner: Animating Water Using Flow Maps] | ||
* [http://www.polycount.com/forum/showthread.php?t=98983 How to paint flow/anisotropic/comb maps in Photoshop] Polycount forum thread | * [http://www.polycount.com/forum/showthread.php?t=98983 How to paint flow/anisotropic/comb maps in Photoshop] Polycount forum thread | ||
* [http://www.poopinmymouth.com/process/hair_tutorial/ng_hair.html Creating a "comb map"] Paint Shop Pro tutorial by Ben Mathis, [http://www.polycount.com/forum/showthread.php?t=98844 Polycount forum thread] | * [http://www.poopinmymouth.com/process/hair_tutorial/ng_hair.html Creating a "comb map"] Paint Shop Pro tutorial by Ben Mathis, [http://www.polycount.com/forum/showthread.php?t=98844 Polycount forum thread] | ||
Revision as of 08:28, 19 September 2015
A flow map stores directional information in a texture, also called a vector field. This can be used to control the UV coordinates for a water texture, to make the texture flow around rocks. It can also be used to control the direction of a hairstyle's anisotropic specular highlight.
Images by Graphics Runner
UDK - Water with Flow Map video by Hywel Thomas
Flow map tools and discussions
- FlowMap Painter tool
- Graphics Runner: Animating Water Using Flow Maps
- How to paint flow/anisotropic/comb maps in Photoshop Polycount forum thread
- Creating a "comb map" Paint Shop Pro tutorial by Ben Mathis, Polycount forum thread
- Flow Map Painting Script Polycount forum thread
- Creating and using Flow Maps UDK tutorial by Phill Johnson
- How Do You Make a Flow Map? Polycount forum thread
- UDK - Maelstrom/Whirlpool - Creation Process? Polycount forum thread
Flow map whitepapers
- Water Technology of Uncharted Naughty Dog whitepaper from GDC 2012
- Graphics Runner: Animating Water Using Flow Maps by Kyle Hayward
- Water Flow in Portal 2 (PDF) Valve Software whitepaper from SIGGRAPH 2010
