public float LineTriangle(Primatives.Triangle Triangle, Primatives.Line Line)
{
float x = -Vector3.Dot((Line.Vertices[0] - Triangle.Vertices[0]), Triangle.Normal) / Vector3.Dot(Line.Vertices[1] - Line.Vertices[0], Triangle.Normal);
if (x < 0 || x > 1)
{
return(-1);
}
else
{
Vector3 intersection = Line.Vertices[0] + x * Vector3.Normalize(Line.Vertices[1] - Line.Vertices[0]);
if (PointInTriangle(intersection, Triangle.Vertices[0], Triangle.Vertices[1], Triangle.Vertices[2]))
{
return(x);
}
else
{
return(-1);
}
}
}
/// <param name="State">0 - standing, 1 - walking, 2 running, 3 - sprinting</param>
/// <param name="MoveDirection">The Direction the player is moving as a Vector2, eg. a for a player running forwards, use Vector2.Forward</param>
public void Update(Vector2 MoveDirection, int State, bool Jump)
{
if (Jump == false)
{
wasJumping = false;
}
switch (State)
{
case 0:
speed *= 0.8f;
break;
case 1:
speed += (walkSpeed - speed) * 0.8f;
break;
case 2:
speed += (runSpeed - speed) * 0.8f;
break;
case 3:
speed += (sprintSpeed - speed) * 0.8f;
break;
}
oldPosition = position;
velocity.X = MoveDirection.X * speed;
velocity.Z = MoveDirection.Y * speed;
velocity.Y += Gravity;
position += Vector3.Transform(Velocity, Matrix.CreateRotationY(rotation));
intersection = new Intersection();
Primatives.Line Line = new Primatives.Line(position - boundingBoxSize.Y * Vector3.UnitY / 2, position + boundingBoxSize.Y * Vector3.UnitY / 2);
Stack <Primatives.Triangle> triangles = world.OctMesh(Line.Vertices[0]);
//for (int i = 0; i < world.Mesh.Triangles.Length; i++)
foreach (Primatives.Triangle triangle in triangles)
{
float intersectionPoint = intersection.LineTriangle(triangle, Line);
if (intersectionPoint != -1)
{
velocity.Y = 0f;
if (intersectionPoint < 0.3f)
{
position.Y += intersectionPoint * boundingBoxSize.Y;
if (Jump == true && wasJumping == false)
{
velocity.Y = jumpVelocity;
wasJumping = true;
}
}
else
{
position = oldPosition;
}
}
}
}
/// <param name="State">0 - standing, 1 - walking, 2 running, 3 - sprinting</param>
/// <param name="MoveDirection">The Direction the player is moving as a Vector2, eg. a for a player running forwards, use Vector2.Forward</param>
public void Update(Vector2 MoveDirection, int State, bool Jump)
{
if (Jump == false)
wasJumping = false;
switch (State)
{
case 0:
speed *= 0.8f;
break;
case 1:
speed += (walkSpeed - speed) * 0.8f;
break;
case 2:
speed += (runSpeed - speed) * 0.8f;
break;
case 3:
speed += (sprintSpeed - speed) * 0.8f;
break;
}
oldPosition = position;
velocity.X = MoveDirection.X * speed;
velocity.Z = MoveDirection.Y * speed;
velocity.Y += Gravity;
position += Vector3.Transform(Velocity, Matrix.CreateRotationY(rotation));
intersection = new Intersection();
Primatives.Line Line = new Primatives.Line(position - boundingBoxSize.Y * Vector3.UnitY / 2, position + boundingBoxSize.Y * Vector3.UnitY / 2);
Stack<Primatives.Triangle> triangles = world.OctMesh(Line.Vertices[0]);
//for (int i = 0; i < world.Mesh.Triangles.Length; i++)
foreach(Primatives.Triangle triangle in triangles)
{
float intersectionPoint = intersection.LineTriangle(triangle, Line);
if (intersectionPoint != -1)
{
velocity.Y = 0f;
if (intersectionPoint < 0.3f)
{
position.Y += intersectionPoint * boundingBoxSize.Y;
if (Jump == true && wasJumping == false)
{
velocity.Y = jumpVelocity;
wasJumping = true;
}
}
else
{
position = oldPosition;
}
}
}
}
