Util.py

import math

# Utility functions that help with transformations made in the game

# Get shortest angle distance between two angles and in which direction
def shortAngleDist(a0,a1):
    maxA = 360;
    da = (a1 - a0) % maxA;
    return 2*da % maxA - da;

# Linearly interpolate between two angles t amount
def angleLerp(a0,a1,t):
    return a0 + shortAngleDist(a0,a1)*t
    
def angleSmoothLerp(a0, a1, t):
    return a0 + shortAngleDist(a0, a1)*(-2*(t**3) + 3*(t**2))
    
def getRotationInterval(timePassed, rotationSpeed, oldDirection, newDirection):
    return abs(timePassed/(shortAngleDist(oldDirection, newDirection)/rotationSpeed))

def getSpeedFromWarpImpulse(warp, impulse):
    return warp**3 + (impulse*0.01)