Tutorial 37.18 - Adding Artwork and Animation (PyGame Python)

Right then, we start getting into the knitty gritty of the game development, and we start with creating a game template in pygame that can be used for all game development within the python / pygame development system.

And then developed a simple player sprite that moves about the screen.

In this video we start to add the artwork to the game, and implement basic animatiom for the main sprite ;)

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[jmlaniel]

I also noticed that when running this code, the player was always moving after when going left than right. 

I found that this is caused by rounding the position when passing it to the rect.center (lines 30 and 45). To fix this, I removed line 57 and then put self.position.x = self.rect.center[0] at the end of the if starting at line 33 and put self.position.y = self.rect.center[1] at the end of the if starting at line 47. That way, the x and y position is corrected only if it needs to be corrected. 

effect ofself.acceleration.x += self.velocity.x * settings.PLAYER_FRICTION. The friction reduces the acceleration (actually, the total force acting on the player), no the velocity directly. I think it doesn't change the result the way it was programmed, but it makes a difference from a physics point of view.

[jmlaniel]

What is the purpose of the if statement at line 35 of player.py ? This seems to be a statement for the y coordinates since it checks the bottom of the player and the top of a wall.