Linear interpolation between a and b by t. t = 0 returns a; t = 1 returns b. Values outside [0, 1] extrapolate.
a
b
t
t = 0
t = 1
lerp(0, 255, 0.5); // 127.5lerp(100, 200, 0); // 100 Copy
lerp(0, 255, 0.5); // 127.5lerp(100, 200, 0); // 100
Linear interpolation between
aandbbyt.t = 0returnsa;t = 1returnsb. Values outside [0, 1] extrapolate.