EaseIn()

static constexpr Fxp SRL::Math::Interpolation::EaseIn ( const Fxp & start, const Fxp & end, const Fxp & t )

inlinestaticconstexpr

Quadratic ease-in interpolation for accelerating motion.

Implements quadratic easing using the formula: t²

The easing produces this motion:

• Starts slow (zero velocity)
• Continuously accelerates
• Reaches full velocity at end

Common uses:

• Character movement startup
• UI element entrance
• Zoom-in effects
• Power-up animations

Parameters

start	Starting value of the interpolation
end	Ending value of the interpolation
t	Interpolation factor in range [0,1]

Returns

Eased value

Note

For symmetric animation, pair with EaseOut