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float smootherstep(float edge0, float edge1, float x)
{
x = clamp(safe_divide((x - edge0), (edge1 - edge0)), 0.0, 1.0);
return x * x * x * (x * (x * 6.0 - 15.0) + 10.0);
}
void map_range_linear(float value,
float fromMin,
float fromMax,
float toMin,
float toMax,
float steps,
out float result)
{
if (fromMax != fromMin) {
result = toMin + ((value - fromMin) / (fromMax - fromMin)) * (toMax - toMin);
}
else {
result = 0.0;
}
}
void map_range_stepped(float value,
float fromMin,
float fromMax,
float toMin,
float toMax,
float steps,
out float result)
{
if (fromMax != fromMin) {
float factor = (value - fromMin) / (fromMax - fromMin);
factor = (steps > 0.0) ? floor(factor * (steps + 1.0)) / steps : 0.0;
result = toMin + factor * (toMax - toMin);
}
else {
result = 0.0;
}
}
void map_range_smoothstep(float value,
float fromMin,
float fromMax,
float toMin,
float toMax,
float steps,
out float result)
{
if (fromMax != fromMin) {
float factor = (fromMin > fromMax) ? 1.0 - smoothstep(fromMax, fromMin, value) :
smoothstep(fromMin, fromMax, value);
result = toMin + factor * (toMax - toMin);
}
else {
result = 0.0;
}
}
void map_range_smootherstep(float value,
float fromMin,
float fromMax,
float toMin,
float toMax,
float steps,
out float result)
{
if (fromMax != fromMin) {
float factor = (fromMin > fromMax) ? 1.0 - smootherstep(fromMax, fromMin, value) :
smootherstep(fromMin, fromMax, value);
result = toMin + factor * (toMax - toMin);
}
else {
result = 0.0;
}
}
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