public CollisionArgs(IEntityPhysics collidingObject, IEntity hitObject, float hitAngle, float penetration)
{
this.hitObject = hitObject;
this.collidingObject = collidingObject;
this.hitObjectAngle = hitAngle;
this.penetration = penetration;
}
private static bool checkCollisions(IEntityPhysics moveableEntity, IEntity otherEntity)
{
Shape moveableEntityBoundingBox = moveableEntity.boundingBox();
Shape otherEntityBoundingBox = otherEntity.boundingBox();
if (moveableEntityBoundingBox is Circle && otherEntityBoundingBox is Circle)
{
Circle movingEntityCircle = (Circle)moveableEntityBoundingBox;
Circle otherEntityCircle = (Circle)otherEntityBoundingBox;
float penetration;
if ((penetration = circleCollision(movingEntityCircle, otherEntityCircle)) > 0)
{
float hitAngle = MyMathHelper.angleBetween(otherEntityCircle.origin, movingEntityCircle.origin);
EventHandlers.getInstance().raiseEvent(new CollisionArgs(moveableEntity, otherEntity, hitAngle, penetration));
return true;
}
}
else if (moveableEntityBoundingBox is Circle && otherEntityBoundingBox is QuadCollection)
{
Circle movingEntityCircle = (Circle)moveableEntityBoundingBox;
QuadCollection quadCollection = (QuadCollection)otherEntityBoundingBox;
foreach (Quad quad in quadCollection.quads)
{
KeyValuePair<float?, float> collisionAngle;
if ((collisionAngle = quadCircleCollision(quad, movingEntityCircle)).Key != null)
{
EventHandlers.getInstance().raiseEvent(new CollisionArgs(moveableEntity, otherEntity, (float)collisionAngle.Key, collisionAngle.Value));
return true;
}
}
}
else
{
Debug.Assert(false, "No Collision defined for types " + moveableEntityBoundingBox.GetType() + " " + otherEntityBoundingBox.GetType());
}
return false;
}
static bool wallCollision(IEntityPhysics moveableEntity)
{
if (moveableEntity.boundingBox().leftMostPoint() < 0)
{
EventHandlers.getInstance().raiseEvent(new CollisionArgs(moveableEntity, null, MathHelper.Pi, MathHelper.Distance(0, moveableEntity.boundingBox().leftMostPoint())));
return true;
}
else if (moveableEntity.boundingBox().rightMostPoint() > Game1.graphics.GraphicsDevice.Viewport.Width)
{
EventHandlers.getInstance().raiseEvent(new CollisionArgs(moveableEntity, null, 0, MathHelper.Distance(Game1.graphics.GraphicsDevice.Viewport.Width, moveableEntity.boundingBox().rightMostPoint())));
return true;
}
else
{
return false;
}
}
