Python is a dynamically and strongly typed programming language that encourages readability.

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Detecting walls or floors in pygame

I am trying to make bullets bounce of walls, but I can't figure out how to correctly do the collision detection. What I am currently doing is iterating through all the solid blocks and if the bullet ...
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1answer
41 views

Firing attack and take_damage events on entity attacking?

I have an Entity class with health, armor, and damage. I want my entities to raise some kind of take_damage and attack events whenever they attack or take damage. Here's my current implementation: ...
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1answer
113 views

Locking the frame rate in pygame?

I am having trouble setting up the frame rate in my first game. I know that I can set it up with clock = pygame.time.Clock() clock.tick(60) but this is not producing very desirable results. If I ...
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1answer
163 views

Color detection

Is there a way to tell if a sprite is touching a specific color on the screen, maybe in a hex code. I know you can do $pygame.sprite.collide$ for sprites, but how can you do this for color on the ...
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1answer
647 views

How do I make a sprite collide with walls in pygame?

I've been trying to create a collision detection between the player (Blue), and the walls (Green), but the player can just move through the walls. I made it so that every collision is printed in the ...
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1answer
486 views

How do I use setFilmSize in panda3d to achieve the correct view?

I'm working with Panda3d and recently switched my game to isometric rendering. I moved the virtual camera accordingly and set an orthographic lens. Then I implemented the classes "Map" and "Canvas". ...
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36 views

Collision detection with PyGame

I have been making a 2d platformer using Python with PyGame. It has all be going good, but I have stumbled accross many problems with collision detection. Here they are: You can't go through objects ...
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0answers
139 views

Speeding up point-in-polygon for Python

In researching collision detection methods for non-Rect-like objects I came across point-in-polygon -- specifically, the even-odd rule. The one presently on Wikipedia claims it is written in Python, ...
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0answers
158 views

How can I use iteration to lead targets?

In my 2D game, I have stationary AI turrets firing constant speed bullets at moving targets. So far I have used a quadratic solver technique to calculate where the turret should aim in advance of the ...
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7 views

Pygame.display.set_icon unable to show transparecy

On Python 3.2.5 32 bit, I installed pygame. I made some code with it. It included pygame.display.set_icon(image). The image file is .png and I loaded it by using image = ...
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15 views

Pygame wall collision is acting very odd

I've been playing around with python for a while, but I only did basic functional programming. Lately, I've been teaching myself about classes. I've been using pygame (instead of tk, because let's ...
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11 views

How do I update individual sprites within a spritegroup in pygame?

I have a for loop that takes values from a text file, and then creates and adds a bunch of sprites to a group platformlist_list. The for loop will continue until every line of the text file is read. ...
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26 views

Pygame events work in Python2 but not Python3

When I run this code in Python2 it works (to read the keyboard), but in Python3 it doesn't. In Python3, I notice: The game window opens, but it doesn't come to the front. The terminal window stays ...
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59 views

My sprites do not always respect collisions in Pygame

I have a Player sprite (40x40 pixels) and Tiles (20x20 pixels) which build the terrain. At the 4 edges there are 2 rows or columns (depends on vertical or horizontal) of wall tiles. Those are the ...
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0answers
82 views

Python interpreter as in-game console

Say I have a game which has lots objects (NPCs, monsters, etc.), I want a console so I can change the variables of the objects (like changing HP for example), how could I embed python into my program, ...
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88 views

pygame.display.update(list) updates entire screen, not just rectangles in list

I have two "sprites", one following the mouse and one that moves with WASD. They aren't really pygame.sprite.Sprite objects, but they move like this: Paint over original position with that piece of ...
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0answers
170 views

How to rotate a line in 3d space?

I am trying to figure out direction vectors of the arrowheads of an arrow. Basically I'm given a normalized direction vector (u,v,w) and I need the normalized direction vectors of the its two arrow ...
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0answers
75 views

How to find the Y coordinate of a line moving up and down with given specific X coordinate?

I start with a horizontal line and I run midpoint displacement algorithm to generate some mountains, then I want to place some pillars on top of the mountain by randomly choosing the X coordinate, but ...
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549 views

Calculating the correct roll from a bone transform matrix

Read this forum topic for more info: http://blenderartists.org/forum/showthread.php?260602-transform-matrix-to-bone-%28head-tail-roll%29-bug I'm trying to get my Blender3d modeller importer to create ...