public void Walk(char Dir, double frame_time)
{
float d = (float)(Settings.PlayerSpeed * frame_time);
switch (Dir)
{
case 'w':
if (d > RayCast.Ray(x, y, a))
{
break;
}
x = x + d * cos_a;
y = y + d * sin_a;
break;
case 's':
if (d > RayCast.Ray(x, y, a + PI))
{
break;
}
x = x - d * cos_a;
y = y - d * sin_a;
break;
case 'a':
if (d > RayCast.Ray(x, y, a - HalfPI))
{
break;
}
x = x + d * sin_a;
y = y - d * cos_a;
break;
case 'd':
if (d > RayCast.Ray(x, y, a + HalfPI))
{
break;
}
x = x - d * sin_a;
y = y + d * cos_a;
break;
case 'q':
Turn(-1 * frame_time);
break;
case 'e':
Turn(1 * frame_time);
break;
}
}
public void Draw(RenderWindow render)
{
DrawBG(render);
float[] dists = new float[Settings.RAY_COUNT];
float[] offsets = new float[Settings.RAY_COUNT];
double[] angles = new double[Settings.RAY_COUNT];
sw.Start();
int i = 0;
double angle = a - Settings.Half_FOV;
while (angle < a + Settings.Half_FOV && i < Settings.RAY_COUNT)
{
angles[i] = angle;
angle += Settings.deltaFOV;
i++;
}
for (int tid = 0; tid < dists.Length; tid++)
{
unsafe
{
fixed(bool *map = Map.map)
{
float[] mas = new float[2];
RayCast.Ray(x,
y,
angles[tid],
map,
Map.Width,
mas);
dists[tid] = mas[0] * (float)Math.Cos(a - angles[tid]);
offsets[tid] = mas[1];
}
}
}
sw.Stop();
CalcTime = sw.Elapsed;
sw.Reset();
sw.Start();
int j = 0;
float Screen_x = 0;
foreach (double dist in dists)
{
float wall_height = (float)(Settings.Camera_Dist * Settings.WallHeight / dist * .0036F);
float sky = Settings.sHalfHeight - wall_height / 2;
var line = new RectangleShape(new Vector2f(Settings.Scale, wall_height))
{
Texture = wall_texture,
TextureRect = new IntRect((int)(offsets[j] * Settings.TextureScale), 0, 2, Settings.TextureScale),
Position = new Vector2f(Screen_x, sky)
};
render.Draw(line);
j++;
Screen_x += Settings.Scale;
}
sw.Stop();
DrawTime = sw.Elapsed;
StaminaBar.Progress = Stamina;
render.Draw(StaminaBar);
}