lygia/math/parabola)A nice choice to remap the 0..1 interval into 0..1, such that the corners are mapped to 0 and the center to 1. You can then rise the parabolar to a power k to control its shape. From https://iquilezles.org/articles/functions/
Use:
<float> parabola(<float> x, <float> k)
#ifndef FNC_PARABOLA
#define FNC_PARABOLA
float parabola(const in float x, const in float k ) { return pow( 4.0*x*(1.0-x), k ); }
#endif
Use:
<float> parabola(<float> x, <float> k)
#ifndef FNC_PARABOLA
#define FNC_PARABOLA
float parabola( float x, float k ) { return pow( 4.0*x*(1.0-x), k ); }
#endif
fn parabola(x: f32, k: f32) -> f32 { return pow( 4.0*x*(1.0-x), k ); }
Dependencies:
Use:
<float> parabola(<float> x, <float> k)
#ifndef FNC_PARABOLA
#define FNC_PARABOLA
inline __device__ __host__ float parabola( float x, float k ) { return pow( 4.0f * x * (1.0f - x), k ); }
#endif
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