ColorLerp.py

import random
class ColorLerp:
    def __init__(self, speed, p):
        #self.color1 = (random.randint(0,255), random.randint(0,255), random.randint(0,255))
        self.color2 = (random.randint(1,255), random.randint(1,255), random.randint(1,255))
        #self.color1 = (255.0, 0.0, 0.0)
        #self.color2 = (255.0, 255.0, 0.0)
        self.curColor = (random.randint(1,255), random.randint(1,255), random.randint(1,255))
        self.panel = p
        self.speed = speed
    
    def lerp(self, a, b, c):
        res = (c * a) + ((1-c) * b)
        #print(str.format("a: {0}, b:{1}, c: {2}, res: {3}",a,b,c,res))
        return res

    
    def match(self, c1,c2):
        rM = abs(c1[0] - c2[0])
        gM = abs(c1[1] - c2[1])
        bM = abs(c1[2] - c2[2])
        avg = (rM + gM + bM) / 3.0
       # print(avg)
        return avg
        
    def update(self):
        self.panel.setBackground(self.curColor)
        if (self.match(self.curColor, self.color2) < 0.1):
            self.color2 = (random.randint(1,255), random.randint(1,255), random.randint(1,255))
            
        curR = self.lerp(self.color2[0], self.curColor[0],self.speed)
        curG = self.curColor[1]
        curB = self.curColor[2]
        
        if (abs(curR - self.color2[0]) > 0.01):
            self.curColor = (curR,curG,curB)
            return 
        
        curG = self.lerp(self.color2[1], self.curColor[1],self.speed)
        if (abs(curG - self.color2[1]) > 0.01):
            self.curColor = (curR,curG,curB)
            return 
        
        curB = self.lerp(self.color2[2], self.curColor[2],self.speed)
        self.curColor = (curR,curG,curB)