easeOutQuad16()

u16 fl::easeOutQuad16

(

u16

i

)

16-bit quadratic ease-out function Takes an input value 0-65535 and returns an eased value 0-65535

Definition at line 237 of file ease.cpp.hpp.

                         {
    // ease-out quadratic: 1 - (1-t)²
    // For 16-bit: y = MAX - (MAX-i)² / MAX
    constexpr u32 MAX = 0xFFFF;     // 65535
    constexpr u32 ROUND = MAX >> 1; // for rounding
 
    fl::u64 d = MAX - i;         // (MAX - i)
    fl::u64 num = d * d + ROUND; // (MAX-i)² + rounding
    return u16(MAX - (num / MAX));
}

Referenced by ease16(), and ease16().

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