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J. Nick Koston 2025-07-26 21:32:34 -10:00
parent 29e61c8913
commit 28dbf3bbcc
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1 changed files with 5 additions and 3 deletions
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8
esphome/components/light/light_color_values.h
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@ -84,9 +84,11 @@ class LightColorValues {
* @return The linearly interpolated LightColorValues.
*/
static LightColorValues lerp(const LightColorValues &start, const LightColorValues &end, float completion) {
// Directly interpolate the raw values to avoid getter/setter overhead
// Linear interpolation between two clamped values produces a clamped result,
// so we can skip the setters which include redundant clamping logic
// Directly interpolate the raw values to avoid getter/setter overhead.
// This is safe because:
// - All LightColorValues have their values clamped when set via the setters
// - std::lerp guarantees output is in the same range as inputs
// - Therefore the output doesn't need clamping, so we can skip the setters
LightColorValues v;
v.color_mode_ = end.color_mode_;
v.state_ = std::lerp(start.state_, end.state_, completion);