Overflown/gamedata/objects/ingame/ennemies/robot.py

from gamedata.objects.ingame.ennemies.ennemy import Ennemy

class Robot(Ennemy):

    def __init__(self,*args):

        super().__init__(*args)

        self.sprites = self.game.getSpriteDir("robot/")
        self.sprite = self.sprites[0]
        self.deadsprite = self.game.sprite_lib["robot/death.png"]

        self.rect[2],self.rect[3] = self.deadsprite.get_size()

        self.speed = 30
        self.falling = 20
        self.spriteindex = 0

        self.gravityway = 1 # Vertical flip
        self.walkingway = 1 # Horizontal flip

        # Offset it correctly
        self.rect[0] += 8-self.rect[2]/2

        # Movement boundaries
        if self.nodes:
            self.endpoints = [x["x"] for x in self.nodes[:2]] # Get only x positions
            self.endpoints.sort()
        else:
            self.endpoints = None

    def step(self):

        if not self.dead:

            # Flipping vertically
            if self.water and self.rect.center[1]>self.water.rect[1]:
                self.gravityway = -1
            else:
                self.gravityway = 1

            # Flipping horizontally
            if self.endpoints:
                if self.rect.center[0]>self.endpoints[1]:
                    self.walkingway = -1
                if self.rect.center[0]<self.endpoints[0]:
                    self.walkingway = 1

            speedmult = [1,0.5,0][int(self.spriteindex)%3]

            self.horspd = self.walkingway*self.speed*self.game.dt*speedmult
            self.verspd = self.gravityway*self.falling*self.game.dt

            self.spriteindex += self.speed*self.game.dt*0.15

        super().step() # Actually move


    def draw(self):

        if not self.dead:
            self.sprite = self.sprites[int(self.spriteindex)%len(self.sprites)]
            drawnsprite = self.game.pygame.transform.flip(self.sprite,self.walkingway==-1,self.gravityway==-1)
            self.game.window.blit(drawnsprite,[self.rect[0]-self.game.globals["camerax"],self.rect[1]-self.game.globals["cameray"]])