Tagged Questions

0
votes
1answer
59 views

Java Tile Collision Detection not accurate enough

How can I make my isometric tile collision detection more accurate, I'm using the Rectangle class from java to detect collisions but because it's a rectangle it overlaps other rectangles which means ...
1
vote
2answers
74 views

Android pong clone, having trouble getting the paddle to stop at the screen edge

Well, I'm obviously very new to game dev and android. I've got a ball bouncing around (successfully detecting screen edge collision so that the bitmap stays within screen) and a paddle that the user ...
2
votes
3answers
125 views

Ball collisions 'sticking' together

I have a program which simulates many bouncing balls. The balls can bounce off each other and off the sides of the container. The problem I am having is that sometimes when two balls collide, they ...
1
vote
3answers
135 views

A more sophisticated ball-paddle collision algorithm for Breakout?

I have a simple breakout game I'm working on. The collision code is solid; things bounce as they should and don't pass through things or do other funkiness, but the reflection is a bit simplistic. As ...
0
votes
1answer
132 views

Almost working 2D Collisions

I'm terribly sorry I'm asking this question YET AGAIN, but I can almost guarantee that this will be the last time I'll have to ask. I'm currently on the verge of FINALLY getting these collisions to ...
2
votes
0answers
129 views

Collision Detection on floor tiles Isometric game

I am having a very hard to time figuring out a bug in my code. It should have taken me 20 minutes but instead I've been working on it for over 12 hours. I am writing a isometric tile based game where ...
0
votes
1answer
95 views

Movement and Collision with AABB

I'm having a little difficulty figuring out the following scenarios. In scenario A, the moving entity has fallen to (and slightly into the floor). The current position represents the projected ...
3
votes
4answers
397 views

2D Platformer Collisions

I've basically asked this question before, and I know it's been asked probably a billion times, but I still can't seem to do it. All I want to know is how I should go about doing basic 4-way, ...
4
votes
1answer
245 views

How can I detect collision between a circle and a rectangle?

i'm trying to make a clone of brick breaker, one problem that i am running in to is to do with collision. i know how to detect if a collision has happened but i do not know how to check what side of ...
1
vote
4answers
460 views

Basic 2D game collision

I've been trying to program a game for the past while and I can't ever figure out one thing: collision detection. I can get up+down and left+right to work, but when I put them together, they interfere ...
1
vote
1answer
125 views

Sphere collision response

I have simple mechanism for testing of two balls colliding: private static boolean isColliding(float firstBallX, float firstBallY, double firstBallRadius, float secondBallX, float secondBallY, double ...
0
votes
2answers
321 views

How to coordinate sprites, player's position and collisions in a Bomberman-like 2D game?

I'm programming a Bomberman in Java (my first game) and I'm having problems with the player's sprites and position in the map. I'm using a 2D integer array to represent: Unbreakable blocks ...
2
votes
2answers
355 views

Tile based map and collision; getting stuck

I'm trying to make my character move around a tile map with collisions. Everything works fine except for one thing. I show you a picture with the problem: http://i.stack.imgur.com/ZWI7x.jpg That is, ...
0
votes
2answers
159 views

Collision Error

I am having trouble with collision detection part of the game. I am using touch events to fire the gun as you will see in the video. Note, the android icon is a temporary graphic for the bullets ...
0
votes
2answers
259 views

Bitmap & Object Collision Help

Is it possible to detect when an object and a bitmap collide. I have an arraylist of sprites that I am shooting with an image. I tried using this method here but as soon as the bitmap appears the ...
0
votes
1answer
464 views

Java/Android pixel perfect hit detection

I am making a game for android which I need hit detection between two objects. The first bitmap I have is a flying superhero, and the second bitmap is anything that he collides with. The superhero ...
2
votes
1answer
151 views

Rectangular Prism Collision

I want to make a game where the character is a rectangular prism that can be rotated, and the rest of the map are axis-aligned rectangular prisms. Everything other than the character will be static, ...
4
votes
2answers
449 views

Tiled based map collision detection problem

I'm working on a tile-based Mario clone. I have implemented the tile based collision method from the tutorial http://www.tonypa.pri.ee/tbw/tut05.html. This works all fine when walking and falling. ...
1
vote
2answers
159 views

Problems with Creating Snake's Clone on Java

I'm creating Snake's clone. My app have too classes: Snake.java and Board.java. Right now I have three problems: 1) There are two constants - BOARDS_WIDTH, BOARDS_HEIGHT. They are meant to be ...
1
vote
2answers
306 views

Collision Problems

I'm having some troubles with a 2D platformer type game (there's more to it, but that's all that matters for this question). I had collision with the platforms working fine, but if the character hit ...
2
votes
3answers
542 views

Collision Detection in Java for a game

Im making a game in Java with a few other people but we are stuck on one part of it, making the collision detection. The game is an RPG and I know how to do the collision detection with the characters ...
3
votes
1answer
668 views

New Vector Calculation for Elastic Collision of Circle and Fixed Rectangle

I am writing a fairly simple breakout-style game for Android phones. I have successfully detected the collisions between the ball(s) and bricks. The problem that I am having is in calculating the new ...