/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// TODO: Add your update logic here
for (int i = 0; i < ELEMENTS; ++i)
{
bouncingThings[i].Move(gameTime, maxX, minX, maxY, minY);
}
for (int i = 0; i < ELEMENTS; ++i)
{
for (int j = i + 1; j < ELEMENTS; ++j)
{
Vector2 distanceBetween = bouncingThings[i].origin - bouncingThings[j].origin;
Vector2 vel = bouncingThings[i].speed - bouncingThings[j].speed;
if (Vector2.Dot(distanceBetween, vel) < 0) // if not movin in the same direction
{
int radii = bouncingThings[i].radius + bouncingThings[j].radius; //bouncingBox
if (distanceBetween.X < bouncingThings[i].origin.X + radii || distanceBetween.Y < bouncingThings[i].origin.Y + radii)
{
if (CollisionMgr.CheckForSATCollisions(bouncingThings[i], bouncingThings[j]))
{
//switch velocities
Vector2 tempVel = bouncingThings[i].speed;
bouncingThings[i].speed = bouncingThings[j].speed;
bouncingThings[j].speed = tempVel;
}
}
}
}
}
// quad.Optimise(boundaries, count);
/* frameCount += 1;
* frameTime += (double)gameTime.ElapsedGameTime.Milliseconds;
* if (frameTime >= 1000)
* {
* //dont think this works
* frameRate = frameCount;
* frameCount = 0;
* frameTime = 0;
* }*/
base.Update(gameTime);
}
public void checkQuarters(BouncingThing[] obj, int lngth)
{
for (int i = 0; i < lngth; ++i)
{
for (int j = i + 1; j < lngth; ++j)
{
Vector2 pos = obj[i].origin - obj[j].origin;
Vector2 vel = obj[i].speed - obj[j].speed;
if (Vector2.Dot(pos, vel) < 0)// if not movin in the same direction
{
if (cldMgr.CheckForSATCollisions(obj[i], obj[j]))
{
//switch velocities
Vector2 tempVel = obj[i].speed;
obj[i].speed = obj[j].speed;
obj[j].speed = tempVel;
}
}
}
}
}