def lerp(a, b, t):
if t < <NUM_LIT:0.0>:<EOL><INDENT>return a<EOL><DEDENT>if t > <NUM_LIT:1.0>:<EOL><INDENT>return b<EOL><DEDENT>return a + (b - a) * t<EOL>
Returns the linear interpolation between a and b for time t between 0.0-1.0.
        For example: lerp(100, 200, 0.5) => 150.