public bool IntersectsHorizontalWith(Box2d box2d)
{
if (this.Right < box2d.X)
{
return(false);
}
if (box2d.Right < this.X)
{
return(false);
}
return(true);
}
internal bool IntersectsVerticalWith(Box2d box2d)
{
if (this.Bottom < box2d.Y)
{
return(false);
}
if (box2d.Bottom < this.Y)
{
return(false);
}
return(true);
}
public bool IntersectsWith(Box2d box2d)
{
if (this.Right < box2d.X)
{
return(false);
}
if (box2d.Right < this.X)
{
return(false);
}
if (this.Bottom < box2d.Y)
{
return(false);
}
if (box2d.Bottom < this.Y)
{
return(false);
}
return(true);
}
public override void OnCollideWithStaticBody(float elapsedTime, Body body, Body staticBody)
{
Vector2d position = body.Position;
Vector2d velocity = body.Velocity;
Box2d bodyBox = body.Box2D;
Box2d stBdBox = staticBody.Box2D;
double elasticity = body.Elasticity + staticBody.Elasticity;
if (velocity.X > 0)
{
double b = bodyBox.Right - stBdBox.X;
if ((bodyBox.Width * bodyBox.Width) > (b * b))
{
position.X = position.X - b;
velocity.X = velocity.X * -elasticity;
velocity.Y = velocity.Y * (1 - staticBody.Friction);
}
}
else if (velocity.X < -4)
{
double b = stBdBox.Right - bodyBox.X;
if ((bodyBox.Width * bodyBox.Width) > (b * b))
{
position.X = position.X + b;
velocity.X = velocity.X * -elasticity;
velocity.Y = velocity.Y * (1 - staticBody.Friction);
}
}
else
{
double b = stBdBox.Right - bodyBox.X;
if ((bodyBox.Width * bodyBox.Width) > (b * b))
{
position.X = position.X + b;
velocity.X = 0;
velocity.Y = velocity.Y * (1 - staticBody.Friction);
}
}
if (velocity.Y > 0)
{
double b = bodyBox.Bottom - stBdBox.Y;
if ((bodyBox.Height * bodyBox.Height) > (b * b))
{
position.Y = position.Y - b;
velocity.Y = velocity.Y * -elasticity;
velocity.X = velocity.X * (1 - staticBody.Friction);
}
}
else if (velocity.Y < -4)
{
double b = stBdBox.Bottom - bodyBox.Y;
if ((bodyBox.Height * bodyBox.Height) > (b * b))
{
position.Y = position.Y + b;
velocity.Y = velocity.Y * -elasticity;
velocity.X = velocity.X * (1 - staticBody.Friction);
}
}
else
{
double b = stBdBox.Bottom - bodyBox.Y;
if ((bodyBox.Height * bodyBox.Height) > (b * b))
{
position.Y = position.Y + b;
velocity.Y = 0;
velocity.X = velocity.X * (1 - staticBody.Friction);
}
}
body.Position = position;
body.Velocity = velocity;
//body.Velocity = new Vector2d(
// body.Velocity.X * (1 - staticBody.Friction),
// body.Velocity.Y > 0 ? body.Velocity.Y * -0.8d : body.Velocity.Y
// );
}
