34 lines
841 B
C++
34 lines
841 B
C++
#include "Maths.h"
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#include <algorithm>
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#include <cmath>
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double Maths::modInRange(double value, double min, double max) {
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double size = max - min;
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if (size < 0.0000000000001) {
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return value;
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} else {
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double norm = (value - min) / size;
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double modulo = norm - floor(norm);
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return modulo * size + min;
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}
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}
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double Maths::clamp(double x, double minval, double maxval) {
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return min(max(x, minval), maxval);
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}
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double Maths::smoothstep(double edge0, double edge1, double x) {
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x = clamp((x - edge0) / (edge1 - edge0), 0.0, 1.0);
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return x * x * (3.0 - 2.0 * x);
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}
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double Maths::zeroPoint(double segment_length, double edge0, double edge1) {
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double diff = edge1 - edge0;
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if (diff == 0.0) {
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return 0.0;
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} else {
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return -edge0 * segment_length / diff;
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}
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}
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