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Topic: Wired AND textured polygons



  
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   Wired AND textured polygons
 Poster : srabik
 Posts: 4
 Country : Czech
 City:

  
Posted by srabik on 27/03/2010 at 12:08:33
Hi, i would like to see my terrain in both "modes" - wired and textured (to see polygons), but setting
FillMode.WireFrame | FillMode.Solid
renders only like Solid.

I wrote this code for pixel shader, but it's a little dirty non-common way approach (add to the end of PS + set the xEnableGrid from XNA to true).


if(xEnableGrid)
    {
        float k = 1 / 30.0f;
        float x = PSIn.TextureCoords.x - (int)PSIn.TextureCoords.x;
        float y = PSIn.TextureCoords.y - (int)PSIn.TextureCoords.y;
        
        x /= k;
        x = x - (int)x;
        x *= k;
        
        y /= k;
        y = y - (int)y;
        y *= k;
        
        float d = 0.01f;
        if (x < d*k || x > (1-d)*k || y < d*k || y > (1-d)*k)
        {
            Output.Color.rgb *= 0.0f;
            Output.Color.g = 1;
        }
    }
 Poster : Rich_Zap
 Posts: 103
 Country : UK
 City: Leeds

  
Posted by Rich_Zap on 27/03/2010 at 16:28:32
Haven't tried this myself but maybe you could just render the terrain in 2 passes, the first with normal fill and the second in wireframe?
 Poster : Anonymous
 Posts:
 Country :
 City:

  
Posted by Anonymous on 22/08/2010 at 12:56:50
You could do it in two passes, but this surely would be a hell of a lot quicker?
 Poster : Anonymous
 Posts:
 Country :
 City:

  
Posted by Anonymous on 21/01/2012 at 23:41:50
A really good aenwsr, full of rationality!

  
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