public virtual void UpdatePhysics(float elapsed_time)
{
colission = false;
on_ground = false;
on_door = false;
Vector3 dir = Position - PrevPosition;
if (dir.LengthSquared() > 0)
{
dir.Normalize();
float s = scene.intersectSegment(PrevPosition, PrevPosition + dir * 50, out ip_data ip0);
if (s < 1000)
{
var n = scene.g_faces[ip0.nro_face].nro_modelo;
on_door = n >= 0 && (scene.modelos[n].flags & CBspFile.PROP_DOOR_ROTATING) != 0;
// abro la puerta
if (on_door)
{
scene.modelos[n].angles.Y += 0.1f;
}
else
{
Position = PrevPosition;
colission = true;
}
}
}
/*
* // performacne
* float xxx = 0;
* for (var i = 0; i < 2000; ++i)
* {
* xxx += scene.intersectSegment(Position, Position - new Vector3(0, 100, 0));
* }
*/
float t = scene.intersectSegment(Position, Position - new Vector3(0, 100, 0), out ip_data ip1);
if (t < 100)
{
// toca piso
Position.Y -= t * 100 - Height / 2;
on_ground = true;
speed = 0;
}
else
{
// esta en el aire
speed += elapsed_time * 386.0f;
Position.Y -= elapsed_time * speed;
}
}
public void UpdateGame(GameTime gameTime)
{
float elapsed_time = (float)gameTime.ElapsedGameTime.TotalSeconds;
var keyState = Keyboard.GetState();
if (keyState.IsKeyDown(Keys.Escape))
{
Exit(); //Salgo del juego.
}
weapon.Update(elapsed_time);
MouseState state = Mouse.GetState();
if (keyState.IsKeyDown(Keys.Space))
{
if (!keyDown[(int)Keys.Space])
{
fisica = !fisica;
}
keyDown[(int)Keys.Space] = true;
}
else
{
keyDown[(int)Keys.Space] = false;
}
if (keyState.IsKeyDown(Keys.T))
{
if (!keyDown[(int)Keys.T])
{
scene.mostrar_tools = !scene.mostrar_tools;
}
keyDown[(int)Keys.T] = true;
}
else
{
keyDown[(int)Keys.T] = false;
}
// capturar mouse
if (keyState.IsKeyDown(Keys.M))
{
if (!keyDown[(int)Keys.M])
{
mouse_captured = !mouse_captured;
}
keyDown[(int)Keys.M] = true;
IsMouseVisible = !mouse_captured;
}
else
{
keyDown[(int)Keys.M] = false;
}
// dibujar hitpoints
if (keyState.IsKeyDown(Keys.H))
{
if (!keyDown[(int)Keys.H])
{
draw_hitpoints = !draw_hitpoints;
}
keyDown[(int)Keys.H] = true;
}
else
{
keyDown[(int)Keys.H] = false;
}
// dibujar mesh info
if (keyState.IsKeyDown(Keys.I))
{
if (!keyDown[(int)Keys.I])
{
draw_meshinfo = !draw_meshinfo;
}
keyDown[(int)Keys.I] = true;
}
else
{
keyDown[(int)Keys.I] = false;
}
if (keyState.IsKeyDown(Keys.P))
{
if (!keyDown[(int)Keys.P])
{
pause = !pause;
}
keyDown[(int)Keys.P] = true;
}
else
{
keyDown[(int)Keys.P] = false;
}
player.Update(elapsed_time);
for (int i = 0; i < MAX_ENEMIGOS; ++i)
{
enemigo[i].Update(elapsed_time);
}
if (weapon.firing())
{
// contra que le pego el disparo
var p0 = GraphicsDevice.Viewport.Unproject(new Vector3(state.X, state.Y, 0), Projection, View, Matrix.Identity);
var p1 = GraphicsDevice.Viewport.Unproject(new Vector3(state.X, state.Y, 1), Projection, View, Matrix.Identity);
scene.intersectSegment(p0, p1, out ip_data ip);
float min_dist = ip.nro_face != -1 ? (ip.ip - camPosition).LengthSquared():0;
bool hay_sangre = false;
// verifico si mato a algun enemigo
// de forma aproximada verifico si el enemigo esta antes del punto de colision con el escenario
// para evitar que lo mate si hay algun obstaculo que detenga el tiro.
for (int i = 0; i < MAX_ENEMIGOS; ++i)
{
if (min_dist == 0 || (enemigo[i].Position - camPosition).LengthSquared() < min_dist)
{
if (enemigo[i].colision(camPosition, player.Direction))
{
if (!enemigo[i].muerto)
{
enemigo[i].muerto = true;
enemigo[i].currentAnimation = 0;
enemigo[i].currentTime = 0;
}
hay_sangre = true;
}
}
}
if (ip.nro_face != -1)
{
scene.addDecal(ip.ip, ip.nro_face, hay_sangre ? "decals/blood" + grnd.Next(1, 9) :
"decals/concrete/shot3", hay_sangre);
}
}
// camara primera persona
// la pos.Y = pos suelo + soldier_height/2
// pos camara = pos.Y + soldier_height/2 - epsilon (en pulgadas)
Vector3 desf = new Vector3(0, soldier_height / 2 - 5, 0);
camPosition = player.Position + player.Direction * 0 + desf;
View = Matrix.CreateLookAt(camPosition, camPosition + player.Direction * 100, new Vector3(0, 1, 0));
base.Update(gameTime);
}
