Water Effect

Submitted by: rikh
Date Submitted: 2003-10-29 08:46:03
Downloads: textures.zip

Shader Script

textures/newshader
{
    normalmod regenerate
    vertexmod uvwave 1.000 1.000 sin 0.000 0.014 0.000 2.000
    {
        tex cubemap textures/sky
        texsrc reflectionmap
        rgbsrc constant 1.000 1.000 1.000
        alphasrc constant 0.850
        blendfunc blend
    }
    {
        tex map textures/caustic
        blendfunc add
        texmod scroll -0.080 -0.030
        rgbsrc wave sin 0.350 0.100 0.000 0.210
    }
}

Screenshot

Description

This is a pretty expensive shader effect, as it deforms the geometry of your model and then recalculates all the surface normals. These normals are then used in combination with a cube map to create a nice reflective surface with ripples running through it.
A second layer is added to give the water some more detail. This is just a simple scrolling texture of a caustic effect. This pass fades in and out a little to enhance the effect.
I have put the screenshots in front of a pretty ugly backdrop so you can see that the water is transparent.

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