LYGIA Shader Library

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

Returns a heart shaped SDF

Use:

heartSDF(<vec2> st)

Check it on Github


#ifndef FNC_HEARTSDF
#define FNC_HEARTSDF
float heartSDF(vec2 st) {
    #ifdef CENTER_2D
    st -= CENTER_2D;
    #else
    st -= 0.5;
    #endif
    st -= vec2(0.0, 0.3);
    float r = length(st) * 5.0;
    st = normalize(st);
    return r - ((st.y * pow(abs(st.x), 0.67)) / (st.y + 1.5) - (2.0) * st.y + 1.26);
}
#endif

Use:

heartSDF(<float2> st)

Check it on Github


#ifndef FNC_HEARTSDF
#define FNC_HEARTSDF
float heartSDF(float2 st) {
    #ifdef CENTER_2D
    st -= CENTER_2D;
    #else
    st -= 0.5;
    #endif
    st -= float2(0.0, 0.3);
    float r = length(st) * 5.0;
    st = normalize(st);
    return r - ((st.y * pow(abs(st.x), 0.67)) / (st.y + 1.5) - (2.0) * st.y + 1.26);
}
#endif

Examples

LYGIA is dual-licensed under the Prosperity License and the Patron License for sponsors and contributors.

Sponsors and contributors are automatically added to the Patron License and they can ignore the any non-commercial rule of the Prosperity Licensed software (please take a look to the exception).

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