public override void handleCollision(Q3BSPLevel level, GameTime gameTime)
{
// if noclipping is enabled, do not check for collisions
if (!m_settings.clipping)
{
position = newPosition;
}
// otherwise, check for collisions
else
{
Q3BSPCollisionData collision = level.TraceBox(position, newPosition, minPoint, maxPoint);
Vector3 point = collision.collisionPoint;
if (collision.collisionPoint != collision.endPosition)
{
Vector3 start = collision.startPosition;
Vector3 col = collision.collisionPoint;
Vector3 end = collision.endPosition;
//Wall Detection: Not Working
//point = slopeCollision(level, start, col, end, m_left, 75);
//Ramp Detection
point = slopeCollision(level, start, col, end, new Vector3(0, 0.5f, 0), maxClimb);
}
position = point;
//Gravity
//Check if on floor
collision = level.TraceBox(position, position - new Vector3(0, 1, 0), minPoint, maxPoint);
if (collision.collisionPoint == collision.endPosition || isJumping)
{
//Not on floor so check gravity
updateGravity(gameTime);
collision = level.TraceBox(position, newPosition, minPoint, maxPoint);
if (collision.collisionPoint != collision.endPosition)
{
resetGravity();
}
position = collision.collisionPoint;
}
else
{
//On floor don't do gravity, but reset it
resetGravity();
}
}
}
public override void handleCollision(Q3BSPLevel level, GameTime gameTime)
{
if (!active)
{
return;
}
//Simple collision detection against level
Q3BSPCollisionData collision = level.TraceBox(position, newPosition, minPoint, maxPoint);
position = collision.collisionPoint;
}
private Vector3 slopeCollision(Q3BSPLevel level, Vector3 start, Vector3 collision, Vector3 end, Vector3 offset, float angle)
{
start += offset;
end += offset;
// check the slope of a collision face
Q3BSPCollisionData slopetest = level.TraceBox(start, end, minPoint, maxPoint);
// get the angle of the collision face, and check to see that it is not too steep for the player to climb, then return the appropriate collision point
if (slopetest.collisionPoint != collision + offset)
{
float opp = offset.Length();
float adj = (end - start).Length();
float theta = MathHelper.ToDegrees((float)Math.Atan(opp / adj));
if (theta < angle)
{
return(slopetest.collisionPoint);
}
}
return(collision);
}
