The rectangle tag has no wiki summary.
2
votes
0answers
66 views
Getting a uint color array from a portion of a Texture2D
I'm currently using the Farseer tools to create a body from a Texture2D. However, my texture is a spritesheet and I need to get the uint array containing the colors from a portion of the full ...
1
vote
2answers
156 views
Find the Contact Normal of Rectangle Collision
It seems a lot of people have asked similar questions on this site, and every time it seems like a whole bunch of answers that don't work are given.
Basically, I have two rectangles (AABBs) that ...
2
votes
2answers
238 views
Creating Rectangle-based buttons with OnClick events
As the title implies, I want a Button class with an OnClick event handler. It should fire off connected events when it is clicked.
This is as far as I've made it:
public class Button {
public ...
-4
votes
1answer
70 views
Can't add rectangles into rectangle list [closed]
When i run this code, it gives me "Object reference not set to an instance of an object."
here
clickableArea.Add(temp);
here is the entire class
using System;
using System.Collections.Generic;
...
0
votes
2answers
135 views
Draw Rectangle To All Dimensions of Image
I have some rudimentary collision code:
public class Collision {
static boolean isColliding = false;
static Rectangle player;
static Rectangle female;
public static void collision(){
Rectangle ...
1
vote
1answer
153 views
Reacting to rectangle on rectangle collisions
I don't know how to react to collisions between two axis aligned rectangles that have x, y, width and height values (x and y are from the centre of the box) to make them simply not overlap.
I figured ...
1
vote
2answers
3k views
a simple 2D rectangle collision algorithm that also determines which sides that the rectangles collide?
I initially tried out implementing rectangular intersection, which works well. However, when I have to apply the physics system, such as velocity, acceleration, and directional vectors, I would have ...
-1
votes
1answer
139 views
Find a Rectangle by coordinates - XNA
I have 2 coordinates (X,Y). I have also a 10x10 array. By these coordinates I have to find the rectangle in which is my pointer at the moment.
How could I handle it?
-2
votes
2answers
139 views
C# XNA 4.0 Rectangle Rotation Collision
I can easily rotate my sprite, but how could I rotate my rectangle for my collision (Thinking of using the Separating Axis Theorem, But I have no clue how to apply it) Help or Example would be ...
4
votes
1answer
136 views
XNA4 - Trouble updating part of a Texture2D
I have a big Color[] ColorMap in memory (1280x720), and I have a Texture2D that I've uploaded this ColorMap to.
I update parts of the in-memory ColorMap, and want to upload those changed parts to the ...
0
votes
2answers
1k views
Android Java rectangle collision detection not working
I had been hard coding a collision detection system which was buggy. Then I came across using rectangles for collsion detection. So I put it all in and it does not work, I put a log in and it never ...
3
votes
1answer
819 views
Create a rectangle struct to be rotated and have a .Intersects() function
In my XNA program, I am trying to swing a sword. The sword starts at an angle of 180 degrees, then rotates (clockwise) to an angle of 90 degrees.
The Rectangle struct that XNA provides,
Rectangle ...
6
votes
1answer
752 views
XNA Platformer Collision: PerPixel vs Rectangle
I'm writing a platformer engine with XNA and was wondering what method for handling collisions I should use. Would I be seeing some performance issues if I were to try and have PerPixel collisions? ...
4
votes
3answers
820 views
Find the closest point along a rectangle, given an another point and direction
Given a rectangle, and a point with a vector direction towards the rectangle.
How can I find the closest point on the outside of that rectangle to the point in question?
