//Overload the cSpriteComposite draw function
public override void draw( cGraphics pgraphics, int drawflags )
{ /* Use the base _spriteattitude and then walk the array of child sprites and call their
imagedraw methods. */
pgraphics.pushMatrix();
pgraphics.multMatrix( _spriteattitude );
foreach (cSprite s in _childspriteptr)
_childspriteptr.ElementAt().draw(pgraphics, drawflags);
pgraphics.popMatrix();
}
public override void draw(cGraphics pgraphics, int drawflags = 0)
{ /* Use the base _spriteattitude and then walk the array of child sprites and call their
imagedraw methods. Don't try and imagedraw the base cSprite, as it's only there to hold
the _spriteattitude. Note that the cSpriteShowOneChild child class only cascades
the imagedraw to one child. */
pgraphics.pushMatrix();
pgraphics.multMatrix(_spriteattitude);
/* For now, let's not try and use display lists for the composites, but only for the
individual pieces. */
foreach (cSprite s in _childspriteptr)
_childspriteptr.ElementAt().draw(pgraphics, drawflags); //If there happen to be any.
//If you don't want to draw the first sprite, like wiht a polypoly, start with i at 1,
pgraphics.popMatrix();
}
public virtual void draw(cGraphics pgraphics, int drawflags)
{ /* This is an example of the Template Method. For the primitive (non-composite)
* sprites we only overload the imagedraw method and use this template code. */
if ((drawflags & ACView.DF_WIREFRAME) != 0)
{
if (this is cSpriteQuake)
{
cSpriteSphere sphere = new cSphere(_radius, Color.DarkGreen);
sphere.LineColor = Color.Black;
sphere.draw(pgraphics, drawflags);
}
}
pgraphics.pushMatrix();
pgraphics.multMatrix(_spriteattitude);
/* If I don't have UNCONDITIONAL_ADJUSTATTRIBUTES turned on in
* cGraphicsOpenGL, then I should actually call pgraphics.adjustAttributes(this);
* right here instead of down inside the display list --- see the comment where
* UNCONDITIONAL_ADJUSTATTRIBUTES is defined. */
if (EnabledDisplayList && pgraphics.SupportsDisplayList)
{
if (!pgraphics.activateDisplayList(this)) /* If you plan to use display lists,
* look if one's ready, and if not, open one and draw into it. */
{
pgraphics.adjustAttributes(this); //See comment above.
imagedraw(pgraphics, drawflags);
}
pgraphics.callActiveDisplayList(this); //Now call the display list.
}
else //Not trying to use display lists for this kind of sprite. Just draw it.
{
pgraphics.adjustAttributes(this); //See comment above.
imagedraw(pgraphics, drawflags);
}
pgraphics.popMatrix();
//After the draw, tell the sprite that its current geometry has now been drawn once.
NewGeometryFlag = false; /* This is for use by the cGraphicsOpenGL for
* knowing when it may need to change any display list id being used for the sprites. */
}
