LYGIA Shader Library

rhombSDF (lygia/v1.1.6/sdf/rhombSDF)

Returns a rhomb-shaped sdf

Dependencies:

Use:

rhombSDF(<vec2> st)

Check it on Github



#ifndef FNC_RHOMBSDF
#define FNC_RHOMBSDF
float rhombSDF(in vec2 st) {
    float offset = 1.0;
    #ifdef CENTER_2D
    offset = CENTER_2D.y * 2.0;
    #endif 
    return max(triSDF(st),
               triSDF(vec2(st.x, offset-st.y)));

}
#endif

Dependencies:

Use:

rhombSDF(<float2> st)

Check it on Github



#ifndef FNC_RHOMBSDF
#define FNC_RHOMBSDF
float rhombSDF(in float2 st) {
    float offset = 1.0;
    #ifdef CENTER_2D
    offset = CENTER_2D.y * 2.0;
    #endif 
    return max(triSDF(st),
               triSDF(float2(st.x, offset-st.y)));

}
#endif

Examples

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