Zi7ar21

float notsosmoothstep(float x, float edge0, float edge1) {
	x = (x - edge0) / (edge1 - edge0); // [edge0, edge1] -> [0, 1]

	x = x < 0.0 ? 0.0 : x; // max(x, 0)
	x = x > 1.0 ? 1.0 : x; // min(x, 1)

	x -= 0.5;

	return 2.0*(-x*abs(x)+x)-0.5;
}

Zi7ar21

// Mandelbrot Set
bool mandelbrot(vec2 c, int iter)
{
	// Initialize Z
	vec2 z = vec2(0.0);

	// Iterate function (z = z ^ 2 + c)
	for(int i = 0; i < iter; i++)
	{
		// Check if our point diverged

Zi7ar21

vec2 bezier(float t, vec2 p0, vec2 p1, vec2 p2, vec2 p3)
{
    vec2 a = mix(p0, p1, t);
    vec2 b = mix(p1, p2, t);
    vec2 c = mix(p2, p3, t);
    return mix(mix(a, b, t), mix(b, c, t), t);
}