/// <summary>
/// Constructor für Schuss
/// </summary>
/// <param name="cam">Kameraobjekt dient zur ermittlung der Position und Ausrichtung</param>
/// <param name="Dir">Richtung in die der Schuss fliegen soll (wird intern normiert)</param>
/// <param name="Red">Rotanteil in der Farbe</param>
/// <param name="Green">Grünanteil in der Farbe</param>
/// <param name="Blue">Blauanteil in der Farbe</param>
/// <param name="Speed">Bewegungsgeschwindigkeit</param>
public Shot(Camera cam, Point3 Dir, float Red, float Green, float Blue, float Speed)
{
// Richtung gleich normieren
float n = (float)Math.Sqrt(Math.Pow(Dir.x, 2) + Math.Pow(Dir.y, 2) + Math.Pow(Dir.z, 2));
_Dir.x = Dir.x / n;
_Dir.y = Dir.y / n;
_Dir.z = Dir.z / n;
_Pos.x = __InitPos.x = -cam.X;
_Pos.y = __InitPos.y = -cam.Y;
_Pos.z = __InitPos.z = -cam.Z;
_AngleX = cam.angleX;
_AngleZ = cam.angleZ;
_Red = Red;
_Green = Green;
_Blue = Blue;
_Speed = Speed;
_Birthtime = DateTime.Now;
}
/// <summary>
/// Zeichenroutine für die Skybox
/// </summary>
/// <param name="c">Das Kameraobjekt um Ausrichtung im Raum zu ermitteln.</param>
public void DrawSky(Camera c)
{
if (DoDrawSkybox)
{
float dist = 0.5f;
Gl.glMatrixMode(Gl.GL_MODELVIEW);
Gl.glLoadIdentity();
Gl.glPushAttrib(Gl.GL_ENABLE_BIT);
Gl.glEnable(Gl.GL_TEXTURE_2D);
Gl.glDisable(Gl.GL_DEPTH_TEST);
Gl.glDisable(Gl.GL_LIGHTING);
Gl.glDisable(Gl.GL_BLEND);
Gl.glRotatef(c.angleX, 1.0f, 0.0f, 0.0f); // rotate on the X-axis
Gl.glRotatef(c.angleZ, 0.0f, 0.0f, 1.0f); // rotate on the Z-axis
Gl.glColor4f(1f, 1f, 1f, 1f);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[1]);
Gl.glBegin(Gl.GL_QUADS);
// Unten
Gl.glTexCoord2f(1.0f, 1.0f); // top right of texture
Gl.glVertex3f(dist, dist, dist); // top right of quad
Gl.glTexCoord2f(0.0f, 1.0f); // top left of texture
Gl.glVertex3f(-dist, dist, dist); // top left of quad
Gl.glTexCoord2f(0.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(-dist, -dist, dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom right of texture
Gl.glVertex3f(dist, -dist, dist); // bottom right of quad
Gl.glEnd();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[2]);
Gl.glBegin(Gl.GL_QUADS);
// Ground
Gl.glTexCoord2f(1.0f, 1.0f); // top right of texture
Gl.glVertex3f(-dist, dist, -dist); // top right of quad
Gl.glTexCoord2f(0.0f, 1.0f); // top left of texture
Gl.glVertex3f(dist, dist, -dist); // top left of quad
Gl.glTexCoord2f(0.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(dist, -dist, -dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom right of texture
Gl.glVertex3f(-dist, -dist, -dist); // bottom right of quad
Gl.glEnd();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[3]);
Gl.glBegin(Gl.GL_QUADS);
// Up
Gl.glTexCoord2f(1.0f, 1.0f); // top right of texture
Gl.glVertex3f(dist, dist, -dist); // top right of quad
Gl.glTexCoord2f(0.0f, 1.0f); // top left of texture
Gl.glVertex3f(-dist, dist, -dist); // top left of quad
Gl.glTexCoord2f(0.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(-dist, dist, dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom right of texture
Gl.glVertex3f(dist, dist, dist); // bottom right of quad
Gl.glEnd();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[4]);
Gl.glBegin(Gl.GL_QUADS);
// Right Face
Gl.glTexCoord2f(1.0f, 1.0f); // top right of texture
Gl.glVertex3f(dist, dist, -dist); // top right of quad
Gl.glTexCoord2f(0.0f, 1.0f); // top left of texture
Gl.glVertex3f(dist, dist, dist); // top left of quad
Gl.glTexCoord2f(0.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(dist, -dist, dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom right of texture
Gl.glVertex3f(dist, -dist, -dist); // bottom right of quad
Gl.glEnd();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[5]);
Gl.glBegin(Gl.GL_QUADS);
// Left Face
Gl.glTexCoord2f(0.0f, 1.0f); // top right of texture
Gl.glVertex3f(dist, -dist, dist); // top right of quad
Gl.glTexCoord2f(0.0f, 0.0f); // top left of texture
Gl.glVertex3f(-dist, -dist, dist); // top left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(-dist, -dist, -dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 1.0f); // bottom right of texture
Gl.glVertex3f(dist, -dist, -dist); // bottom right of quad
Gl.glEnd();
Gl.glBindTexture(Gl.GL_TEXTURE_2D, _skybox[0]);
Gl.glBegin(Gl.GL_QUADS);
// Left Face
Gl.glTexCoord2f(1.0f, 1.0f); // top right of texture
Gl.glVertex3f(-dist, dist, dist); // top right of quad
Gl.glTexCoord2f(0.0f, 1.0f); // top left of texture
Gl.glVertex3f(-dist, dist, -dist); // top left of quad
Gl.glTexCoord2f(0.0f, 0.0f); // bottom left of texture
Gl.glVertex3f(-dist, -dist, -dist); // bottom left of quad
Gl.glTexCoord2f(1.0f, 0.0f); // bottom right of texture
Gl.glVertex3f(-dist, -dist, dist); // bottom right of quad
Gl.glEnd();
Gl.glPopAttrib();
Gl.glPopMatrix();
}
}
/// <summary>
/// Schuss wird gezeichnet
/// </summary>
/// <param name="cam">Kameraobjekt</param>
public void Draw(Camera cam)
{
float X = _Pos.x;
float Y = _Pos.y;
float Z = _Pos.z;
float DX = _Dir.x;
float DY = _Dir.y;
float DZ = _Dir.z;
float dx = Size;
float dy = Size * 3;
float dz = Size;
Gl.glPushMatrix();
Gl.glTranslatef(X, Y, Z);
Gl.glRotatef(-_AngleZ, 0, 0, 1);
Gl.glRotatef(-_AngleX - 90, 1, 0, 0);
X = 0;
Y = 0;
Z = 0;
Gl.glEnable(Gl.GL_CULL_FACE_MODE);
Gl.glColor3f(_Red, _Green, _Blue);
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X, Y, Z);
Gl.glVertex3f(X + dx, Y - dy, Z - dz);
Gl.glVertex3f(X + dx, Y + dy, Z - dz);
Gl.glVertex3f(X - dx, Y + dy, Z - dz);
Gl.glEnd();
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X - dx, Y - dy, Z - dz);
Gl.glVertex3f(X + dx, Y - dy, Z - dz);
Gl.glVertex3f(X + dx, Y - dy, Z + dz);
Gl.glVertex3f(X - dx, Y - dy, Z + dz);
Gl.glEnd();
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X - dx, Y - dy, Z - dz);
Gl.glVertex3f(X - dx, Y + dy, Z - dz);
Gl.glVertex3f(X - dx, Y + dy, Z + dz);
Gl.glVertex3f(X - dx, Y - dy, Z + dz);
Gl.glEnd();
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X + dx, Y + dy, Z + dz);
Gl.glVertex3f(X + dx, Y + dy, Z - dz);
Gl.glVertex3f(X + dx, Y - dy, Z - dz);
Gl.glVertex3f(X + dx, Y - dy, Z + dz);
Gl.glEnd();
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X + dx, Y + dy, Z + dz);
Gl.glVertex3f(X + dx, Y + dy, Z - dz);
Gl.glVertex3f(X - dx, Y + dy, Z - dz);
Gl.glVertex3f(X - dx, Y + dy, Z + dz);
Gl.glEnd();
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex3f(X + dx, Y + dy, Z + dz);
Gl.glVertex3f(X - dx, Y + dy, Z + dz);
Gl.glVertex3f(X - dx, Y - dy, Z + dz);
Gl.glVertex3f(X + dx, Y - dy, Z + dz);
Gl.glEnd();
Gl.glPopMatrix();
}