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

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1answer
30 views

Playing a sound once pygame

I'm trying to play background music and the music keeps on starting. I tried to use music.busy, but I can't figure it out. I want it to check if sound/music is playing, then I want it to print "music ...
0
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1answer
43 views

Rotating an image in Python

So I am making an "Asteroids" like game and I can principally get my sprites image to rotate but when I do, the image gets kinda torn apart. This is the method I am using for rotation. Any help would ...
3
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1answer
75 views

How can I tell if an object in a tile grid is surrounded?

I'm making a game which uses a 10x20 matrix to store the position of the objects. I have a castle object, represented by a number in a matrix. It is randomly deployed in some cell of the matrix. I ...
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1answer
371 views

How can I load .obj files in the Soya3D engine?

I recently just found soya3d. I want to import .obj files, but it seems to only accept .data files. How can I import .obj files? Importing a .obj file named "house" produces this error: Traceback ...
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0answers
16 views

Movement Algorith in 2D [duplicate]

I'm making a game in a 600x600 screen. When i click the mouse, i want to move object from an (x,y) position (pre-determinated) to the (x,y) of the mouse. I'm having some problems finding and ...
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2answers
64 views

Implementing monte-carlo tree search in a tile based game with units

I have this simple risk-like game I would like to develop an AI for. Players move their Units on the map and a simple fight resolution is done. There is a time constraint of 100ms for each round, the ...
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2answers
436 views

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 ...
0
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1answer
51 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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0answers
19 views

Pygame Displaying Text Without Pause

I'm creating a rpg game with python and pygame but I ran into a problem. From the videos I learned pygame (not python, learned from univeristy) this is how they told me to display texts. def ...
0
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1answer
114 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 ...
0
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1answer
150 views

How do I pass an object location into a vertex shader?

I am using Blender Game Engine. I want to create a large flat plane, and deform it locally near a moving object. So far (despite being a beginner at shaders) I've written a vertex shader for the ...
1
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1answer
108 views

Pygame's sprite.collide_circle() missing several frames of head-on collision

I've spent hours trying to figure why my collision detection was so crappy, with sprites visibly ovellaping for several frames, when I noticed the culprit could be pygame's detection callback ...
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2answers
45 views

Getting a color value from a coord

My goal is to get a RGB value of a pixel based of off a X,Y coordinate. I have been working on AIs for a small project attempting to make a bot that can pass through a maze. I want to get the pixel ...
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5answers
3k views

How do i choose what technology to use for a 2D game like Pokemon? [closed]

I apologize in advance for the wall of text about to come. I've had an idea for a game for a while now, and am stuck at step 1 of game development: Choosing a language/engine. I've read a whole ...
0
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2answers
89 views

Pygame Surfaces: which (and when) do I need to .convert()?

I'm a bit puzzled about pygame's Surface.convert(): It's common sense that I should convert a surface after loading an image to it (presumably a jpg/png/etc file), but what about surfaces that I ...
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1answer
40 views

How to change the position of a circle in pygame in three stages

I will try to explain it as well as I can excuse me if I'll fail. I have the following simple game situation: I know the coordinates of each point. So each of the green points try to hit the blue ...
0
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1answer
59 views

Oblique launch within a game

I'm creating a simple game in python that will follow the same logic of DDTank and Worms. The graph is formed by characters. The buildings that will be destroyed are formed by '*', players are '@' and ...
5
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1answer
563 views

What's the 'proper' way to get unit vectors?

My apologies if I've misunderstood the term 'unit vector' or misapplied it in concept, but I think that is the term for an object's heading when expressed as [x, y] when x and y are a value between -1 ...
0
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1answer
42 views

Efficiently tracking active instances

I'm creating a game with lots of instances. On each iteration of the game loop, I only want to deal with the ones that are near the player. Currently, I do this by constructing a list of all the ...
0
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0answers
41 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 ...
0
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1answer
145 views

Player & Level class structure in 2D python console game?

I'm trying to create a 2D console game, where I have a player who can freely move around in a level (~map, but map is a reserved keyword) and interfere with other objects. Levels construct out of ...
1
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1answer
171 views

Best practice to implement persistent data when using Tiled TMX map files?

A friend of mine and I are always talking about our current progress in learning game development. Recently, saving the game (data persistence) came up, and when I summarized how I tackled that for my ...
3
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1answer
513 views

Any way to embed Pygame in webpages?

I have a Pygame game, and I was wondering if there was any way to embed it into a webpage to make it easily playable, or if there is a games website that accepts Pygame games.
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3answers
639 views

sprite group doesn't support indexing

I have a sprite group created with pygame.sprite.Group() (and add sprites to it with the add method) How would I retrieve the nth sprite in this group? Code like this does not work: mygroup = ...
0
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4answers
3k views

smooth movement pygame

Hello im trying to learn more about smoother movement in games. I have created a little program to hopefully help me understand this. As far as i can tell i am suppose to track time, and update ...
3
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1answer
155 views

game mod security question

So I'm in the process of building a game in C++ for the engine and Python for behavior and moddability. One of the planned major features is that when the game client connects to a game server with ...
1
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1answer
103 views

Splitting Pygame functionality between classes or modules?

I am attempting to make my pygame application more modular so that different functionalities are split up into different classes and modules. I am having some trouble getting pygame to allow me to ...
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2answers
241 views

Exporting Blender bones' transform matrix

I use this simple python script to export bones transformation: bones = armature.pose.bones # for eaach bone in bones SystemMatrix = Matrix.Scale(-1, 4, Vector((0, 0, 1))) * ...
4
votes
2answers
1k views

Pygame set_colorkey transparency issues

I'm having a strange issue that I cannot seem to remedy. I am doing some prototyping with Pygame on a desktop running windows and a laptop running OS X. Both are running python v2.7.3 (installed via ...
0
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1answer
174 views

Chess Artificial intelligence with python and pygame [closed]

I created chess game with python and pygame. Now I'm trying to make Artificial intelligence, but what is actually best way to do it? Some tips, tricks, links? Thanks
0
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1answer
76 views

How to display consistent background image

Drawing a large background is relatively slow in PyGame. In order to avoid drawing BG every frame, you could draw it once, then do nothing. However, if something is overdrawn onto the surface and ...
0
votes
1answer
79 views

Bounding Box Collision Glitching Problem (Pygame)

So far the "Bounding Box" method is the only one that I know. It's efficient enough to deal with simple games. Nevertheless, the game I'm developing is not that simple anymore and for that reason, ...
0
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1answer
57 views

Possible to pass pygame data to memory map block?

I am building a matrix out of addressable pixels and it will be run by a Pi (over the ethernet bus). The matrix will be 75 pixels wide and 20 pixels tall. As a side project, I thought it would be ...
6
votes
1answer
350 views

How do I measure the bounds of a string in PyGame?

I am trying to position some text on my screen using pygame, and knowing the size of the string would help. When using C# and XNA I could use SpriteFont.MeasureString("Hello World") to get the size ...
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2answers
173 views

Best way to store a large amount of game objects and update the ones onscreen

Good afternoon guys! I'm a young beginner game developer working on my first large scale game project and I've run into a situation where I'm not quite sure what the best solution may be (if there is ...
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1answer
140 views

theory behind rotation of a 3d cube using mouse

I want to rotate a 3d cube using mouse in python/pygame. Could someone explain the theory behind rotating a 3d cube by mouse? I dont understand how angleX, angleY and angleZ are affected by mouse ...
1
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1answer
133 views

How do I make a sprite move to another position using vectors

Ok, so far I have made the sprite move to a mouse position. But I got a question, does anyone know how to make a sprite move by itself without the use of a mouseclick from Point a to point b using ...
8
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4answers
2k views

What library for octrees or kd-trees? [closed]

Are there any robust performant libraries for indexing objects? Objects would have bounds themselves, rather than being represented by points; and an object could therefore be in more than one ...
0
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0answers
14 views

How do I distribute my game with Py2exe or PyInstaller? [duplicate]

I just developed a game with Python and I want to use Py2exe and Pyinstaller to turn it into a stand-alone python file or .exe that can run on computers without python installed. How can I do this?
2
votes
1answer
484 views

Howdo I load a GIF animation in pygame?

How can I load a GIF animation in pygame? With a web search, I found a severely outdated library called GIFImage. I tried it to do it with 2 pictures but I'm getting stuck because I'm a beginner. I ...
1
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1answer
80 views

How can I rotate my picture using Pygame?

I wanna make the Dragon on the picture rotate softly to the left when he flys to the left and rotate to the right when he flys to the right and up and down also. How can i do that with the keys w a s ...
0
votes
1answer
44 views

Pygame proble, moving picture

Thats my problem on the Picture...The stripes How can i fix that? My Code: import pygame, sys from pygame.locals import * pygame.init() sound = pygame.mixer.Sound('start.wav') sound.play() size ...
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0answers
120 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 ...
1
vote
1answer
62 views

When is messaging/observing preferable to 'built-in' functionality in game objects?

In working on a Python/Pygame project I recently came to an impasse which couldn't be solved elegantly via my previous methodology - using wrapping functions as an Observer pattern - and it was ...
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0answers
60 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 ...
0
votes
1answer
110 views

WebSockets and Python/PyGame

I am looking to start development on a game that will have the server be written in Python/PyGame and the front end be in HTML5. What I would like to do is, with as minimal impact as possible, open ...
0
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1answer
53 views

PyGame2Exe doesn't include spritesheet?

My directory for my Pygame program looks something like this: [Parent directory] lib engine Various .py files graphics spritesheet.py ...
2
votes
1answer
161 views

Picking random monster cards from a deck

What is the best way to go about making user defined classes (monsters, items, loot, armor, weapons, spell types, etc) and then calling them later during an encounter? Looking at the entire card list ...
1
vote
1answer
100 views

Midpoint Displacement 1D - How to properly reduce my random number range?

So I'm trying to implement this http://www.gameprogrammer.com/fractal.html#midpoint algorithm, to generate myself a terrain. In the tutorial is said: OK, before we go into 2D fractal surfaces, you ...
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0answers
104 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, ...