A shape made up of a connected set of points that are all equal distance from a center point.
0
votes
1answer
54 views
Revolve FlxSprites Around a Central FlxSprite in Flash Game made with Flixel
I have been working on a Flash game made in Flash Builder using the Flixel library. I have been trying to dynamically create a group of FlxSprites , and revolve them around a player controlled class ...
1
vote
2answers
149 views
Moving an object around the the circle to the specific location in circumference
Well I have run out of ideas how to approach this particular problem.See the picture below:
So the idea is that the object (dot in black) has to get to a point mark X (red X mark).However the ...
5
votes
1answer
170 views
HLSL Circle all white
I have been trying to get my shader code (HLSL) to draw a simple circle but after a day and a half I am getting nowhere. It seems people are using the x^2 + y^2 = r^2 and remap texcoords but I only ...
1
vote
2answers
549 views
How to draw a smooth circle in Android using OpenGL?
I am learning about OpenGL API on Android. I just drew a circle. Below is the code I used.
public class MyGLBall {
private int points=360;
private float vertices[]={0.0f,0.0f,0.0f};
private ...
0
votes
2answers
208 views
Why circles are not created if small?
I have changed the scale to my own and now I cant create any object, including circle, if it is of the size which is normal for my scale. I am to create big object first and then modify it to smaller ...
0
votes
2answers
1k views
How do I make a circular hole inside an editable poly without boolean operations?
I have created a rectangle, then converted it into an editable poly. Then I created a circle and converted it to editable poly too. How to make it so that that the circle becomes a hole in the ...
1
vote
2answers
255 views
Circular movement - eliminating speed ups near Y = 0
I have a basic algorithm to rotate an enemy around a 200 unit radius circle with center 0. This is how I'm achieving that:
if (position.Y <= 0 && position.X > -200)
{
position.X -= ...
1
vote
2answers
212 views
Tangent to a circle through a point
I'm trying to figure out how to calculate the following angle:
I know center (p1) and radius (r) of a circle. Given a point p3 I want to calculate the angle a such as the tangent (tan) of the circle ...
3
votes
1answer
263 views
How to bounce a 2d point particle off of a circular edge
In a prototype I'm building, a particle can spawn anywhere within a larger, confining circle. Important to note is that the particle will not spawn in the origin of the larger circle, but anywhere ...
2
votes
1answer
220 views
Implementing Circular Sprite Masks
So I've been scouring the interwebs for a couple of days with regards to how to implement sprite masking in XNA 4 and C#. Coming from a pet project I did in Flash, this was pretty easy as masks are ...
9
votes
4answers
729 views
Circle inside circle collision
In one of my projects I have a game area in the shape of a circle. Inside this circle another small circle is moving around. What I want to do is keep the small circle from moving outside the bigger ...
1
vote
1answer
283 views
How to handle circle penetration
I've been working on cirlce to circle collision and have gotten the intersection method working correctly, but I'm having problems using the returned values to actually seperate the circles from one ...
2
votes
2answers
3k views
Drawing a circle in OpenGL ES Android, squiggly boundaries
I am new to OpenGL ES and facing a hard time drawing a circle on my GLSurfaceView. Here's what I have so far.
The circle class
public class MyGLBall {
private int points=40;
private float ...
7
votes
5answers
517 views
Circular Bullet Spread not Even
I'm creating a bullet shooter much in the style of Touhou. Right now I want to have a very simple circular shot being fired from the enemy.
See this picture:
As you can see, the spacing is very ...
