public virtual double distanceTo(GameShape other, double[] offset)
{
//double[] deltas = new double[offset.Length];
double delta;
double dist = 0;
// offset in the x-dimension
delta = Math.Abs(offset[0]);
if (this.getType() == SHAPE.GAME_RECTANGLE)
{
delta -= this.getWidth() / 2;
}
if (other.getType() == SHAPE.GAME_RECTANGLE)
{
delta -= other.getWidth() / 2;
}
if (delta < 0)
{
delta = 0;
}
dist += delta * delta;
// offset in the y-dimension
delta = Math.Abs(offset[1]);
if (this.getType() == SHAPE.GAME_RECTANGLE)
{
delta -= this.getWidth() / 2;
}
if (other.getType() == SHAPE.GAME_RECTANGLE)
{
delta -= other.getWidth() / 2;
}
if (delta < 0)
{
delta = 0;
}
dist += delta * delta;
dist = Math.Sqrt(dist);
// subtract off the circular radius
if (this.getType() == SHAPE.GAME_CIRCLE)
{
dist -= ((GameCircle)this).getRadius();
}
if (other.getType() == SHAPE.GAME_CIRCLE)
{
dist -= ((GameCircle)other).getRadius();
}
if (dist < 0)
{
dist = 0;
}
return(dist);
}
public virtual bool intersects(GameShape other, double[] offset)
{
// figure out the class of the shape and call the correct function accordingly
switch (other.getType())
{
case SHAPE.GAME_CIRCLE:
return(this.intersects((GameCircle)other, offset));
case SHAPE.GAME_RECTANGLE:
return(this.intersects((GameRectangle)other, offset));
default:
return(false);
}
}
public virtual double[] moveTo(GameShape other, double[] offset, double[] move)
{
if (move[0] == 0 && move[1] == 0)
{
return(move);
}
// figure out the class of the shape and call the correct function accordingly
switch (other.getType())
{
case SHAPE.GAME_CIRCLE:
return(this.moveTo((GameCircle)other, offset, move));
case SHAPE.GAME_RECTANGLE:
return(this.moveTo((GameRectangle)other, offset, move));
default:
return(null);
}
}
