mirror of https://github.com/axmolengine/axmol.git
29 lines
569 B
C++
29 lines
569 B
C++
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#include "Base.h"
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#include "MathUtil.h"
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namespace gameplay
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{
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void MathUtil::smooth(float* x, float target, float elapsedTime, float responseTime)
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{
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GP_ASSERT(x);
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if (elapsedTime > 0)
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{
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*x += (target - *x) * elapsedTime / (elapsedTime + responseTime);
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}
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}
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void MathUtil::smooth(float* x, float target, float elapsedTime, float riseTime, float fallTime)
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{
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GP_ASSERT(x);
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if (elapsedTime > 0)
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{
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float delta = target - *x;
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*x += delta * elapsedTime / (elapsedTime + (delta > 0 ? riseTime : fallTime));
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}
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}
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}
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